| Primula abchasica Sosn. | Accepted |  | TRO |  | 
	
		| Primula acaulis (L.) Hill | Synonym |  | WCSP (in review) |  | 
	
		| Primula acaulis subsp. atlantica (Maire & Wilczek) Greuter & Burdet [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Primula acaulis subsp. balearica (Willk.) Greuter & Burdet | Synonym |  | WCSP (in review) |  | 
	
		| Primula acaulis subsp. rubra (Sm.) Greuter & Burdet | Synonym |  | WCSP (in review) |  | 
	
		| Primula acaulis var. rubra Sm. | Synonym |  | WCSP (in review) |  | 
	
		| Primula adenantha Balf. f. & R.E. Cooper | Synonym |  | TRO |  | 
	
		| Primula adenophora Blatt. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula adenophylla Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × admontensis Gusmus ex Church. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula advena W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula advena var. advena | Synonym |  | TRO |  | 
	
		| Primula advena var. argentata W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula advena var. concolor W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula advena var. euprepes (W.W. Sm.) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula aemula Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula aequalis W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula aequipila W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula aerinantha Balf. f. & Purdom | Accepted |  | TRO |  | 
	
		| Primula × affinis Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula afghanica Wendelbo | Unresolved |  | WCSP (in review) |  | 
	
		| Primula agleniana Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula agleniana var. alba Forrest | Synonym |  | TRO |  | 
	
		| Primula agleniana var. atrocrocea Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula aitchisonii Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula aizoon Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ajanensis E.A. Busch | Synonym |  | TRO |  | 
	
		| Primula alaschanica Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula alba Hoffmanns. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula albana Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula albenensis Banfi & Ferl. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula albiflos Kingdon-Ward | Unresolved |  | WCSP (in review) |  | 
	
		| Primula alcalina Cholewa & Douglass M. Hend. | Accepted |  | TRO |  | 
	
		| Primula alchemilloides (Franch.) Derganc | Synonym |  | TRO |  | 
	
		| Primula algida Adams | Accepted |  | TRO |  | 
	
		| Primula algida subsp. bungeana Fed. | Synonym |  | TRO |  | 
	
		| Primula aliciae G. Taylor ex W.W. Sm. & H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula allionii Loisel. | Accepted |  | WCSP (in review) |  | 
	
		| Primula alpestris Schur | Unresolved |  | WCSP (in review) |  | 
	
		| Primula alpicola (W.W. Sm.) Stapf | Accepted |  | TRO |  | 
	
		| Primula alpicola var. alba W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula alpicola subsp. luna Stapf | Synonym |  | TRO |  | 
	
		| Primula alpicola var. violacea Stapf | Synonym |  | TRO |  | 
	
		| Primula alpigena Dalla Torre & Sarnth. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula alpina Salisb. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Primula alsophila Balf. f. & Farrer | Accepted |  | TRO |  | 
	
		| Primula alta Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula altaica Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula altaica Pall. ex Ledeb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula altaica Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula altaica Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula altissima D.Don | Unresolved |  | WCSP (in review) |  | 
	
		| Primula amabilis Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula ambigua Salisb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ambita Balf. f. | Accepted |  | TRO |  | 
	
		| Primula americana Rydb. | Synonym |  | TRO |  | 
	
		| Primula amethystina Franch. | Accepted |  | TRO |  | 
	
		| Primula amethystina subsp. amethystina | Synonym |  | TRO |  | 
	
		| Primula amethystina subsp. argutidens (Franch.) W.W. Sm. & H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula amethystina subsp. brevifolia (Forrest) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula ammatica W.W.Sm. & Forrest | Unresolved |  | WCSP (in review) |  | 
	
		| Primula amoena M.Bieb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula androsacea Pax | Synonym |  | TRO |  | 
	
		| Primula anglica Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula angustidens (Franch.) Pax | Synonym |  | TRO |  | 
	
		| Primula angustifolia Torr. | Accepted |  | TRO |  | 
	
		| Primula angustifolia var. cusickiana A. Gray | Synonym |  | TRO |  | 
	
		| Primula × anisiaca Stapf | Unresolved |  | WCSP (in review) |  | 
	
		| Primula anisodora Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula annulata Balf. f. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula anvilensis S. Kelso | Accepted |  | TRO |  | 
	
		| Primula apennina Widmer | Accepted |  | WCSP (in review) |  | 
	
		| Primula apicicallosa D. Fang | Accepted |  | TRO |  | 
	
		| Primula apoclita Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula × aranensis Cadevall | Unresolved |  | WCSP (in review) |  | 
	
		| Primula arctica (Cham. & Schltdl.) Kuntze | Synonym |  | TRO |  | 
	
		| Primula × arctotis A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula arendsii Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula aretia Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula aretiodes Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula aretioides Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula argutidens Franch. | Synonym |  | TRO |  | 
	
		| Primula arizonica (A. Gray) Derganc | Synonym |  | TRO |  | 
	
		| Primula armeniaca Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula aromatica W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula articulata W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula articulata var. sublinearis W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula arunachalensis S.K.Basak & Maiti | Unresolved |  | WCSP (in review) |  | 
	
		| Primula arvensis E.H.L.Krause | Unresolved |  | WCSP (in review) |  | 
	
		| Primula asarifolia H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula asperulata N.P. Balakr. | Synonym |  | TRO |  | 
	
		| Primula assamica H.R.Fletcher | Unresolved |  | WCSP (in review) |  | 
	
		| Primula atricapilla Balf. f. & R.E. Cooper | Synonym |  | TRO |  | 
	
		| Primula atrodentata W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula atrodentata subsp. orestora (W. G. Craib & R.E. Cooper) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula atropurpurea Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula atrotubata W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula atroviolacea Jacquem. ex Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula atuntzuensis Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula aucheri Jaub. & Spach | Unresolved |  | WCSP (in review) |  | 
	
		| Primula aurantiaca W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula aureata H.R.Fletcher | Unresolved |  | WCSP (in review) |  | 
	
		| Primula aureostellata Balf.f. & R.E.Cooper | Unresolved |  | WCSP (in review) |  | 
	
		| Primula auricula L. | Accepted |  | WCSP (in review) |  | 
	
		| Primula auricula var. widmerae Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula auriculata Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula auriculata Ledeb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula auriculata var. polyphylla Franch. | Synonym |  | TRO |  | 
	
		| Primula austriaca Wettst. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula austrofrigida (K.L. Chambers) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula austrolisteri Balf.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula axillaris Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula baileyana Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula balbisii Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula baldshuanica B.Fedtsch. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula balearica (Willk.) Losinsk. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula balfouriana Watt ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula balfourii H. Lév. | Synonym |  | TRO |  | 
	
		| Primula baokongensis F.H. Chen & C.M. Hu | Synonym |  | TRO |  | 
	
		| Primula barbatula W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula barbeyana Petitm. | Synonym |  | TRO |  | 
	
		| Primula barbicalyx C.H. Wright | Accepted |  | TRO |  | 
	
		| Primula barnardoana W.W. Sm. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula barybotrys Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula bathangensis Petitm. | Accepted |  | TRO |  | 
	
		| Primula baumgarteniana Degen & Moesz | Synonym |  | WCSP (in review) |  | 
	
		| Primula bavarica Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bayernii Rupr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula beesiana Forrest | Accepted |  | TRO |  | 
	
		| Primula begoniiformis Petitm. | Synonym |  | TRO |  | 
	
		| Primula bella Franch. | Accepted |  | TRO |  | 
	
		| Primula bella subsp. bonatiana (Petitm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula bella subsp. cyclostegia (Hand.-Mazz.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula bella subsp. moschophora (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula bella subsp. nanobella (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula bellidifolia King ex Hook. f. | Accepted |  | TRO |  | 
	
		| Primula bellunensis Venzo ex Pamp. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bergenioides C.M. Hu & Y.Y. Geng | Accepted |  | TRO |  | 
	
		| Primula × bergmansiae Bergmans | Unresolved |  | WCSP (in review) |  | 
	
		| Primula beringensis (A.E. Porsild) Jurtzev | Accepted |  | TRO |  | 
	
		| Primula × berninae A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bhutanica H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula bicolor Raf. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × biflora Huter ex A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × bilekii Dalla Torre & Sarnth. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × bilekii Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula biondiana Petitm. | Synonym |  | TRO |  | 
	
		| Primula biserrata Forrest | Synonym |  | TRO |  | 
	
		| Primula bisulca Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula blandula W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula blattariformis Franch. | Accepted |  | TRO |  | 
	
		| Primula blattariformis var. duclouxii Bonati | Synonym |  | TRO |  | 
	
		| Primula blattariformis subsp. tenana (Bonati ex Balf. f.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula blinii H. Lév. | Accepted |  | TRO |  | 
	
		| Primula bomiensis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula bonatiana Petitm. | Synonym |  | TRO |  | 
	
		| Primula bonatii R. Knuth | Synonym |  | TRO |  | 
	
		| Primula × boni-auxilii Kress | Unresolved |  | WCSP (in review) |  | 
	
		| Primula boni-auxilii Kress | Unresolved |  | TRO |  | 
	
		| Primula bonjeanii Nyman | Unresolved |  | WCSP (in review) |  | 
	
		| Primula boothii W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula borealis Duby | Accepted |  | TRO |  | 
	
		| Primula borealis var. ajanensis (E.A. Busch) Hultén | Accepted |  | TRO |  | 
	
		| Primula borealis var. borealis | Synonym |  | TRO |  | 
	
		| Primula borealis f. borealis | Synonym |  | TRO |  | 
	
		| Primula boreiocalliantha Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula bornmuelleri Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × bosniaca Beck ex Fiala | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bosniaka Fiala | Unresolved |  | WCSP (in review) |  | 
	
		| Primula botschantzevii Czukav. & Kovalevsk. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula boveana Decne. ex Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × bowlesii Farrer | Unresolved |  | WCSP (in review) |  | 
	
		| Primula brachysiphon (W.W.Sm.) Halda | Unresolved |  | WCSP (in review) |  | 
	
		| Primula brachystoma W.W. Sm. | Unresolved |  | TRO |  | 
	
		| Primula bracteata Franch. | Accepted |  | TRO |  | 
	
		| Primula bracteosa W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula brandisii Wiesb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula brevicula Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula brevifolia Forrest | Synonym |  | TRO |  | 
	
		| Primula brevis Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula brevis A.J.Richards | Unresolved |  | WCSP (in review) |  | 
	
		| Primula breviscapa Franch. | Accepted |  | TRO |  | 
	
		| Primula × brevistyla DC. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula brigantiaca Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula broadheadae M.E.Jones | Unresolved |  | WCSP (in review) |  | 
	
		| Primula brodheadiae M.E. Jones | Synonym |  | TRO |  | 
	
		| Primula brodheadiae var. minor M.E. Jones | Synonym |  | TRO |  | 
	
		| Primula brueggeri Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bryodes Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bryophila Balf. f. & Farrer | Synonym |  | TRO |  | 
	
		| Primula bukukunica Kovt. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bulgarica Georgiev ex Degen | Unresolved |  | WCSP (in review) |  | 
	
		| Primula bullata Franch. | Accepted |  | TRO |  | 
	
		| Primula bullata var. rufa (Balf. f.) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula bulleyana Forrest | Accepted |  | TRO |  | 
	
		| Primula bungeana C.A. Mey. | Accepted |  | TRO |  | 
	
		| Primula burmanica Balf. f. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula buryana Balf. f. | Accepted |  | TRO |  | 
	
		| Primula cachemeriana Munro | Synonym |  | TRO |  | 
	
		| Primula cadinensis Porta | Unresolved |  | WCSP (in review) |  | 
	
		| Primula caespitosa Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula caespitosa Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula calcicola Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula calciphila Hutch. | Synonym |  | TRO |  | 
	
		| Primula caldaria W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula caldaria var. nana W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula calderiana Balf. f. & R.E. Cooper | Accepted |  | TRO |  | 
	
		| Primula calderiana f. alba (W.W. Sm.) H. Hara | Synonym |  | TRO |  | 
	
		| Primula calderiana var. alba (W.W. Sm.) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula calderiana subsp. strumosa (Balf. f. & R.E. Cooper) A.J. Richards | Synonym |  | TRO |  | 
	
		| Primula calliantha Franch. | Accepted |  | TRO |  | 
	
		| Primula calliantha var. albiflos W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula calliantha subsp. bryophila (Balf. f. & Farrer) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula calliantha subsp. calliantha | Synonym |  | TRO |  | 
	
		| Primula calliantha subsp. kiuchiangensis (Pax & K. Hoffm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula calliantha subsp. mishmiensis (Kingdon-Ward) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula calliantha var. nuda Farrer ex W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula calthifolia W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula calycantha Retz. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula calycina Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula calycina Duby ex Gaudin | Unresolved |  | WCSP (in review) |  | 
	
		| Primula calyptrata X. Gong & R.C. Fang | Accepted |  | TRO |  | 
	
		| Primula cana Balf. f. & Cave in Balf. f. | Synonym |  | TRO |  | 
	
		| Primula candicans W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula candidissima W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula candolleana Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula canescens Opiz | Synonym |  | TRO |  | 
	
		| Primula capillaris N.H. Holmgren & A.H. Holmgren | Accepted |  | TRO |  | 
	
		| Primula capitata Hook. | Accepted |  | TRO |  | 
	
		| Primula capitata subsp. capitata | Synonym |  | TRO |  | 
	
		| Primula capitata subsp. craibeana (Balf. f. & W.W. Sm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula capitata subsp. crispata (Balf. f. & W.W. Sm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula capitata subsp. lacteocapitata (Balf. f. & W.W. Sm.) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula capitata subsp. mooreana (Balf. f. & W.W. Sm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula capitata subsp. sphaerocephala (Balf. f. & Forrest) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula capitellata Boiss. | Accepted |  | TRO |  | 
	
		| Primula cardioeides W.W.Sm. & H.R.Fletcher | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cardiophylla Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula carinata (Torr.) Derganc | Synonym |  | TRO |  | 
	
		| Primula carnea Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula carnea E.H.L.Krause | Unresolved |  | WCSP (in review) |  | 
	
		| Primula carniolica Jacq. | Accepted |  | WCSP (in review) |  | 
	
		| Primula carnosula Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula carpathica Fuss | Accepted |  | TRO |  | 
	
		| Primula × caruelii Porta | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cashmeriana Carrière | Unresolved |  | WCSP (in review) |  | 
	
		| Primula caucasica K.Koch | Unresolved |  | WCSP (in review) |  | 
	
		| Primula caulescens Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula caulifera C.M.Hu | Accepted |  | WCSP (in review) |  | 
	
		| Primula cavaleriei Petitm. | Accepted |  | TRO |  | 
	
		| Primula cavanii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cavanillesii Fedde | Unresolved |  | WCSP (in review) |  | 
	
		| Primula caveana W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula cawdoriana Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula celsiiformis Balf. f. | Accepted |  | TRO |  | 
	
		| Primula cephalantha Balf. f. | Synonym |  | TRO |  | 
	
		| Primula cerina H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula cernua Franch. | Accepted |  | TRO |  | 
	
		| Primula cespitosa Willd. ex Roem. & Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula chaixii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula chamaedoron W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula chamaedryodes Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula chamaejasmc E.H.L.Krause | Unresolved |  | WCSP (in review) |  | 
	
		| Primula chamaejasme (Wulfen ex Host) Kuntze | Synonym |  | TRO |  | 
	
		| Primula chamaethauma W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula chamaethauma var. chiukiangensis Chen | Synonym |  | TRO |  | 
	
		| Primula chamissonis E.A.Busch | Unresolved |  | WCSP (in review) |  | 
	
		| Primula chapaensis Gagnep. | Accepted |  | TRO |  | 
	
		| Primula chartacea Franch. | Accepted |  | TRO |  | 
	
		| Primula chasmophila Balf.f. ex Hutch. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cheniana W.P. Fang | Synonym |  | TRO |  | 
	
		| Primula chienii W.P. Fang | Accepted |  | TRO |  | 
	
		| Primula chionantha Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula chionata W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula chionata var. chionata | Synonym |  | TRO |  | 
	
		| Primula chionogenes H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula chlorodryas W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula chrysochlora Balf. f. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula chrysopa Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula chrysophylla Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula chrysostoma O.Schwarz | Unresolved |  | WCSP (in review) |  | 
	
		| Primula chumbiensis W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula chungensis Balf. f. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula churchilii Gusmus ex Kolb | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cicutariifolia Pax | Accepted |  | TRO |  | 
	
		| Primula ciliata Moretti | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ciliata Schrank | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cinerascens Franch. | Accepted |  | TRO |  | 
	
		| Primula cinerascens subsp. sinomollis (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula cinerascens subsp. sylvicola (Hutch.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula cinerascens subsp. violodora (Dunn) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula citrina Balf. f. & Purdom | Synonym |  | TRO |  | 
	
		| Primula clarkei Watt | Accepted |  | TRO |  | 
	
		| Primula clevelandii (Greene) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula clevelandii var. gracilis (Greene) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula clevelandii var. insularis (H.J. Thomps.) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula clevelandii var. patula (Kuntze) Mast & Reveal | Unresolved |  | TRO |  | 
	
		| Primula clusiana Tausch | Accepted |  | WCSP (in review) |  | 
	
		| Primula clusii Wiest ex Nyman | Unresolved |  | WCSP (in review) |  | 
	
		| Primula clutterbuckii Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula cockburniana Hemsl. | Accepted |  | TRO |  | 
	
		| Primula coelata Stapf | Unresolved |  | WCSP (in review) |  | 
	
		| Primula coerulea Forrest | Accepted |  | TRO |  | 
	
		| Primula cognata Duthie | Synonym |  | TRO |  | 
	
		| Primula columnae Ten. | Synonym |  | WCSP (in review) |  | 
	
		| Primula comata H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula comberi W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula commutata Schott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula compsantha Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula concholoba Stapf & Sealy | Accepted |  | TRO |  | 
	
		| Primula concinna Watt | Accepted |  | TRO |  | 
	
		| Primula confinis Schott ex Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula congestifolia Forrest | Synonym |  | TRO |  | 
	
		| Primula conica Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula conjugens (Greene) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula conjugens var. viscida (Piper) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula consocia W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula conspersa Balf. f. & Purdom | Accepted |  | TRO |  | 
	
		| Primula cooperi Balf.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × coquozii Palez. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cordata Balf. f. ex W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula cordifolia Pax | Synonym |  | TRO |  | 
	
		| Primula coreana Nakai | Synonym |  | TRO |  | 
	
		| Primula coronaria Salisb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula coronata Porta | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cortusa Sander ex A.Richt. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cortusoides L. | Accepted |  | WCSP (in review) |  | 
	
		| Primula cortusoides var. lichiangensis Forrest | Synonym |  | TRO |  | 
	
		| Primula cortusoides var. patens Turcz. | Synonym |  | WCSP (in review) |  | 
	
		| Primula coryana Balf. f. & Forrest ex W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula coryphaea Balf.f. & Kingdon-Ward | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cottia Widmer | Unresolved |  | WCSP (in review) |  | 
	
		| Primula courtii Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula craibeana Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula crassa Hand.-Mazz. | Accepted |  | TRO |  | 
	
		| Primula crassifolia Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula crenata Schur | Unresolved |  | WCSP (in review) |  | 
	
		| Primula crenata Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula crenata Ces., Pass. & Gibelli | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cridalensis Gusmus ex Kolb | Unresolved |  | WCSP (in review) |  | 
	
		| Primula crispa Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula crispata Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula crispidens Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula crocifolia Pax & K. Hoffm. | Accepted |  | TRO |  | 
	
		| Primula croftii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × cultorum Bergmans | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cuneifolia Ledeb. | Accepted |  | TRO |  | 
	
		| Primula cuneifolia var. cuneifolia | Synonym |  | TRO |  | 
	
		| Primula cuneifolia subsp. cuneifolia | Synonym |  | TRO |  | 
	
		| Primula cuneifolia subsp. saxifragifolia (Lehm.) W.W.Sm. & Forrest | Accepted |  | WCSP (in review) |  | 
	
		| Primula cuneifolia var. saxifragifolia (Lehm.) Pax | Synonym |  | TRO |  | 
	
		| Primula cunninghamii King ex W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula cupularis Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cureana Nakai | Unresolved |  | WCSP (in review) |  | 
	
		| Primula curviflora Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cuscutiformis Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cushia Buch.-Ham. ex D.Don | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cusickiana (A. Gray) A. Gray | Accepted |  | TRO |  | 
	
		| Primula cusickiana var. cusickiana | Synonym |  | TRO |  | 
	
		| Primula cusickiana subsp. domensis (Kass & S.L. Welsh) Halda | Synonym |  | TRO |  | 
	
		| Primula cusickiana var. domensis (Kass & S.L. Welsh) N.H. Holmgren & S. Kelso | Accepted |  | TRO |  | 
	
		| Primula cusickiana subsp. maguirei (L.O. Williams) A.J. Richards | Synonym |  | TRO |  | 
	
		| Primula cusickiana var. maguirei (L.O. Williams) N.H. Holmgren & S. Kelso | Accepted |  | TRO |  | 
	
		| Primula cusickiana var. nevadensis (N.H. Holmgren) N.H. Holmgren & S. Kelso | Accepted |  | TRO |  | 
	
		| Primula cusickiana subsp. nevadensis (N.H. Holmgren) A.J. Richards | Synonym |  | TRO |  | 
	
		| Primula cyanantha Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula cyanocephala Balf. f. | Synonym |  | TRO |  | 
	
		| Primula cyclaminifolia Franch. ex Petitm. | Synonym |  | TRO |  | 
	
		| Primula cycliophylla Balf. f. & Farrer | Synonym |  | TRO |  | 
	
		| Primula cyclostegia Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula cylindrica Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula cylindriflora Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula cynoglossifolia (Widmer) Landolt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula danubialis K.Richt. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula daonensis (Leyb.) Leyb. | Accepted |  | WCSP (in review) |  | 
	
		| Primula darialica Rupr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula davidii Franch. | Accepted |  | TRO |  | 
	
		| Primula davisii W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula davurica Spreng. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula davurica Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula debilis Bonati | Synonym |  | TRO |  | 
	
		| Primula decandollei Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula decipiens Stein ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula decipiens Stein ex Kolb | Unresolved |  | WCSP (in review) |  | 
	
		| Primula decipiens Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula declinis Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula decora Sims | Unresolved |  | WCSP (in review) |  | 
	
		| Primula decurva Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula deflexa Duthie | Accepted |  | TRO |  | 
	
		| Primula delavayi Franch. | Synonym |  | TRO |  | 
	
		| Primula deleiensis Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula delicata Petitm. | Synonym |  | TRO |  | 
	
		| Primula delicata Forrest | Synonym |  | TRO |  | 
	
		| Primula delicatula Dunn | Synonym |  | TRO |  | 
	
		| Primula demula Balf.f. & Forrest | Unresolved |  | WCSP (in review) |  | 
	
		| Primula densa Balf. f. | Accepted |  | TRO |  | 
	
		| Primula dentata Donn ex Roem. & Schult. | Synonym |  | WCSP (in review) |  | 
	
		| Primula denticulata Sm. | Accepted |  | TRO |  | 
	
		| Primula denticulata Wight | Unresolved |  | TRO |  | 
	
		| Primula denticulata subsp. alta (Balf. f. & Forrest) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula denticulata subsp. cyanocephala (Balf. f.) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula denticulata subsp. erythrocarpa (W. G. Craib) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula denticulata subsp. sinodenticulata (Balf. f. & Forrest) W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula denticulata subsp. stolonifera (Balf. f.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula denticuloides Y.J. Nasir | Accepted |  | TRO |  | 
	
		| Primula dentiflora Andrews | Unresolved |  | WCSP (in review) |  | 
	
		| Primula deorum Velen. | Accepted |  | WCSP (in review) |  | 
	
		| Primula × deschmannii Ingw. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula deusta Banks ex Roem. & Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula deuteronana Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dianae Balf.f. & R.E.Cooper | Unresolved |  | WCSP (in review) |  | 
	
		| Primula diantha Bureau & Franch. | Accepted |  | TRO |  | 
	
		| Primula diapensiifolia Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dickieana Watt | Accepted |  | TRO |  | 
	
		| Primula dickieana var. chlorops W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula dickieana var. gouldii H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula dickieana var. pantlingii (Kingdon-Ward) W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula dictyophylla W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula didyma W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dielsii Petitm. | Synonym |  | TRO |  | 
	
		| Primula × digenea A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × dinyana Lagger | Unresolved |  | WCSP (in review) |  | 
	
		| Primula discolor Schur ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × discolor Leyb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula discolor Schur | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dissecta (Franch.) Derganc | Synonym |  | TRO |  | 
	
		| Primula divaricata F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula dolomitis Baker | Unresolved |  | WCSP (in review) |  | 
	
		| Primula domensis Kass & S.L. Welsh | Synonym |  | TRO |  | 
	
		| Primula domestica Hoffmanns. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula doshongensis W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula douglasii Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula douglasii var. dentata (S. Watson) Derganc | Synonym |  | TRO |  | 
	
		| Primula drabifolia Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula drosocalyx Poljakov & Lincz. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula drummondiana Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dryadifolia Franch. | Accepted |  | TRO |  | 
	
		| Primula dryadifolia subsp. chlorodryas (W.W. Sm.) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula dryadifolia subsp. chrysophylla (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula dryadifolia subsp. congestifolia (Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula dryadifolia subsp. cycliophylla (Balf. f. & Farrer) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula dryadifolia subsp. dryadifolia | Synonym |  | TRO |  | 
	
		| Primula dryadifolia subsp. jonardunii (W.W. Sm.) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula drymophila W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula × dschungdienensis Hand.-Mazz. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dubernardiana Forrest | Synonym |  | TRO |  | 
	
		| Primula dubyana Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dubyi (Derganc) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula duclouxii Petitm. | Accepted |  | TRO |  | 
	
		| Primula dueckelmannii Gilli | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dumicola W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula × dumoulinii Stein ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × dumoulinii Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula duthieana Balf. f. & W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula duthiei Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula dyeriana Watt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula eburnea Balf. f. & R.E. Cooper | Accepted |  | TRO |  | 
	
		| Primula edelbergii O.Schwarz | Unresolved |  | WCSP (in review) |  | 
	
		| Primula edgeworthii Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula efarinosa Pax | Accepted |  | TRO |  | 
	
		| Primula effusa W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula egaliksensis Wormsk. | Accepted |  | WCSP (in review) |  | 
	
		| Primula egaliksensis f. egaliksensis | Synonym |  | TRO |  | 
	
		| Primula egalliccensis Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula elata Buch.-Ham. ex D.Don | Unresolved |  | WCSP (in review) |  | 
	
		| Primula elatior (L.) Hill | Accepted |  | WCSP (in review) |  | 
	
		| Primula elatior subsp. carpathica Nyman | Synonym |  | TRO |  | 
	
		| Primula elatior var. carpathica Nikolic | Synonym |  | TRO |  | 
	
		| Primula elatior subsp. intricata (Gren. & Godr.) Widmer | Accepted |  | WCSP (in review) |  | 
	
		| Primula elatior subsp. leucophylla (Pax) Hesl.-Harr. ex W.W.Sm. & H.R.Fletcher | Accepted |  | WCSP (in review) |  | 
	
		| Primula elatior subsp. lofthousei (Hesl.-Harr.) W.W.Sm. & H.R.Fletcher | Accepted |  | WCSP (in review) |  | 
	
		| Primula elatior subsp. meyeri Valentine & Lamond | Synonym |  | TRO |  | 
	
		| Primula elatior subsp. pallasii W.W.Sm. & Forrest | Accepted |  | WCSP (in review) |  | 
	
		| Primula elegans Duby | Synonym |  | TRO |  | 
	
		| Primula × elisabethae Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula elizabethiae Ludlow ex W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula elliptica Royle | Accepted |  | TRO |  | 
	
		| Primula ellisiae Pollard & Cockerell | Accepted |  | TRO |  | 
	
		| Primula elongata Watt | Accepted |  | TRO |  | 
	
		| Primula elongata var. barnardoana (W.W. Sm. & Kingdon-Ward) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula elongata var. elongata | Synonym |  | TRO |  | 
	
		| Primula elwesiana King ex Watt | Synonym |  | TRO |  | 
	
		| Primula emiliae Balf.f. ex R.E.Cooper | Unresolved |  | WCSP (in review) |  | 
	
		| Primula engleri R. Knuth | Synonym |  | TRO |  | 
	
		| Primula epilithica F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula epilosa W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula erecta Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula eritrichioides Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula erodioides Schltr. | Synonym |  | TRO |  | 
	
		| Primula erosa Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula erosioides Balf.f. & W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula erratica W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula erythra H.R.Fletcher | Unresolved |  | WCSP (in review) |  | 
	
		| Primula erythrocarpa W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula × escheri Brügger | Unresolved |  | WCSP (in review) |  | 
	
		| Primula esquirolii Petitm. | Accepted |  | TRO |  | 
	
		| Primula euchaites W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula eucyclia W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula eugeniae Fed. | Accepted |  | WCSP (in review) |  | 
	
		| Primula euosma W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula euosma var. puralba W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula euprepes (W.W.Sm.) A.J.Richards | Unresolved |  | WCSP (in review) |  | 
	
		| Primula exaltata Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula exigua Velen. | Synonym |  | WCSP (in review) |  | 
	
		| Primula eximia Greene | Accepted |  | TRO |  | 
	
		| Primula exscapa Hegetschw. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula exscapa F.H.Chen & C.M.Hu | Unresolved |  | WCSP (in review) |  | 
	
		| Primula faberi Oliv. | Accepted |  | TRO |  | 
	
		| Primula × facchinii Schott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fagosa Balf. f. & W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula falcifolia Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula falcifolia var. falcifolia | Synonym |  | TRO |  | 
	
		| Primula falkneriana Porta ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × fallax K.Richt. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fallax K.Richt. ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fangii F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula fangingensis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula fargesii Franch. | Synonym |  | TRO |  | 
	
		| Primula farinifolia Rupr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula farinosa L. | Accepted |  | WCSP (in review) |  | 
	
		| Primula farinosa var. concinna (Watt) Pax | Synonym |  | TRO |  | 
	
		| Primula farinosa var. denudata W.D.J. Koch | Accepted |  | TRO |  | 
	
		| Primula farinosa subsp. exigua (Velen.) Hayek | Accepted |  | WCSP (in review) |  | 
	
		| Primula farinosa var. farinosa | Synonym |  | TRO |  | 
	
		| Primula farinosa subsp. fistulosa (Turkev.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula farinosa var. groenlandica (Warm.) Pax | Synonym |  | TRO |  | 
	
		| Primula farinosa subsp. groenlandica (Warm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula farinosa var. hornemanniana (Lehm.) Pax | Accepted |  | TRO |  | 
	
		| Primula farinosa var. incana (M.E. Jones) Fernald | Synonym |  | TRO |  | 
	
		| Primula farinosa subsp. incana (M.E. Jones) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula farinosa var. macropoda Fernald | Synonym |  | TRO |  | 
	
		| Primula farinosa subsp. mistassinica (Michx.) Pax | Synonym |  | TRO |  | 
	
		| Primula farinosa var. mistassinica (Michx.) Pax | Synonym |  | TRO |  | 
	
		| Primula farinosa subsp. specuicola (Rydb.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula farinosa var. xanthophylla Trautv. & C.A. Mey. | Synonym |  | TRO |  | 
	
		| Primula farinosa subsp. xanthophylla (Trautv. & C.A. Mey.) Kitag. | Synonym |  | TRO |  | 
	
		| Primula farreriana Balf. f. | Accepted |  | TRO |  | 
	
		| Primula fasciculata Balf. f. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula fassettii A.R.Mast & Reveal | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fauriei Franch. | Synonym |  | TRO |  | 
	
		| Primula fea Kingdon-Ward | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fedtschenkoi Regel | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fenghwaiana C.M.Hu & G.Hao | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fernaldiana W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula filchnerae R. Knuth | Accepted |  | TRO |  | 
	
		| Primula filiformis Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula filipes Watt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fimbriata Wall. ex Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula finmarchica Jacq. | Synonym |  | WCSP (in review) |  | 
	
		| Primula finno-marchica Georgi [Spelling variant] | Synonym |  | WCSP (in review) |  | 
	
		| Primula firmipes Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula firmipes subsp. flexilipes (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula fistulosa Turkev. | Accepted |  | TRO |  | 
	
		| Primula fistulosa var. breviscapa P.H. Huang & L.H. Zhuo | Synonym |  | TRO |  | 
	
		| Primula flabellifera W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula flaccida N.P. Balakr. | Accepted |  | TRO |  | 
	
		| Primula flagellaris W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × flagellicaulis A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula flava Maxim. | Accepted |  | TRO |  | 
	
		| Primula flavescens (Maxim.) Derganc | Synonym |  | TRO |  | 
	
		| Primula flavicans Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula flexilipes Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula flexuosa Turkev. | Accepted |  | WCSP (in review) |  | 
	
		| Primula floerkeana Schrad. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula floribunda Wall. | Accepted |  | TRO |  | 
	
		| Primula florida Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula florindae Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula flueggeana Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula forbesii Franch. | Accepted |  | TRO |  | 
	
		| Primula forbesii subsp. androsacea (Pax) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula forbesii var. brevipes Bonati | Synonym |  | TRO |  | 
	
		| Primula forbesii subsp. delicata (Petitm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula forbesii subsp. duclouxii (Petitm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula forbesii subsp. hypoleuca (Hand.-Mazz.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula forbesii subsp. meiantha (Balf.f. & W.W.Sm.) W.W.Sm. & Forrest | Accepted |  | WCSP (in review) |  | 
	
		| Primula forrestii Balf. f. | Accepted |  | TRO |  | 
	
		| Primula × forsteri Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fortunii Moore | Unresolved |  | WCSP (in review) |  | 
	
		| Primula fragilis Balf. f. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula fragrans A.R.Mast & Reveal | Unresolved |  | WCSP (in review) |  | 
	
		| Primula franchetii Pax | Synonym |  | TRO |  | 
	
		| Primula frenchii (Vasey) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula freyeri Hoppe ex Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula friesii Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula frigida (Cham. & Schltdl.) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula frondosa Janka | Accepted |  | WCSP (in review) |  | 
	
		| Primula gageana Balf.f. & W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gagnepainiana Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula gagnepainii Petitm. | Synonym |  | TRO |  | 
	
		| Primula gaisbergensis Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gambeliana Watt | Accepted |  | TRO |  | 
	
		| Primula gambleana Watt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gammieana King ex Balf.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula garhwalica (Balodi & S.Singh) K.K.Khanna & An.Kumar | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gaubaeana Bornm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gaudinii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gemmifera Batalin | Accepted |  | TRO |  | 
	
		| Primula gemmifera var. amoena F.H. Chen | Accepted |  | TRO |  | 
	
		| Primula gemmifera var. gemmifera | Synonym |  | TRO |  | 
	
		| Primula gemmifera var. licentii (W.W. Sm. & Forrest) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula gemmifera var. monantha (W.W. Sm. & Forrest) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula gemmifera var. rupestris (Balf. f. & Farrer) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula gemmifera var. zambalensis (Petitm.) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula genestieriana Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula gentianoides W.W. Sm. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula geraldinae W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula geraniifolia Hook. f. | Accepted |  | TRO |  | 
	
		| Primula geranophylla Kovalevsk. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gigantea Jacq. | Synonym |  | TRO |  | 
	
		| Primula giraldiana Pax | Accepted |  | TRO |  | 
	
		| Primula glabra Klatt | Accepted |  | TRO |  | 
	
		| Primula glabra subsp. genestieriana (Hand.-Mazz.) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula glabra subsp. glabra | Synonym |  | TRO |  | 
	
		| Primula glabrescens F.Nyl. ex Nyl. & Saell. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula glabrescens Arv.-Touv. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula glacialis Franch. | Synonym |  | TRO |  | 
	
		| Primula glandulifera Balf.f. & W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula glandulosa Schur | Unresolved |  | WCSP (in review) |  | 
	
		| Primula glaucescens Moretti | Accepted |  | WCSP (in review) |  | 
	
		| Primula globifera Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula globifera (Duby) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula globifera Griff. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula glomerata Pax | Accepted |  | TRO |  | 
	
		| Primula glutinosa Wulfen | Accepted |  | WCSP (in review) |  | 
	
		| Primula glycyosma Petitm. | Synonym |  | TRO |  | 
	
		| Primula gmelinii Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × goebelii A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula goeppertiana Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gracilenta Dunn | Accepted |  | TRO |  | 
	
		| Primula gracilipes W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula × gracilis Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gracilis Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula graminifolia Pax & K. Hoffm. | Accepted |  | TRO |  | 
	
		| Primula grandiflora Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula grandiflora Bastard | Unresolved |  | WCSP (in review) |  | 
	
		| Primula grandis Trautv. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula gratissima Forrest | Synonym |  | TRO |  | 
	
		| Primula graveolens Hegetschw. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula griffithii (Watt) Pax | Accepted |  | TRO |  | 
	
		| Primula grignensis D.M.Moser | Unresolved |  | WCSP (in review) |  | 
	
		| Primula groenlandica (Warm.) A.W. Hill | Accepted |  | TRO |  | 
	
		| Primula hakonensis Nakai | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hakusanensis Franch. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hallaisanensis Nakai ex Kitag. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula halleri J.F.Gmel. | Accepted |  | WCSP (in review) |  | 
	
		| Primula hampeana Wallr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula handeliana W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula harrissii Watt ex Balf. f. | Synonym |  | TRO |  | 
	
		| Primula harroviana Balf. f. & R.E. Cooper | Synonym |  | TRO |  | 
	
		| Primula harsukhii Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hausmannii Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hayaschinei Petitm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hazarica Duthie | Accepted |  | TRO |  | 
	
		| Primula hedreantha Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula heeri Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × heeri Brügger | Unresolved |  | WCSP (in review) |  | 
	
		| Primula helenae auct. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula helodoxa Balf. f. | Accepted |  | TRO |  | 
	
		| Primula helodoxa subsp. chrysochlora (Balf. f. & Kingdon-Ward) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula helvenacea Balf. f. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula helvetica Donn ex Lodd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula helvetica Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula helvetica E.H.L.Krause | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hemisphaerica (Ludlow) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hemsleyi Petitm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hendersonii (A. Gray) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula henricii Bureau & Franch. | Synonym |  | TRO |  | 
	
		| Primula × henryi auct. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula henryi (Hemsl.) Pax | Accepted |  | TRO |  | 
	
		| Primula heterochroma Stapf | Unresolved |  | WCSP (in review) |  | 
	
		| Primula heterodonta Franch. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula heucherifolia Franch. | Accepted |  | TRO |  | 
	
		| Primula heucherifolia subsp. humicola (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula heydei Watt | Synonym |  | TRO |  | 
	
		| Primula hidakana Kudô | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hilaris W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula hirsuta All. | Accepted |  | WCSP (in review) |  | 
	
		| Primula hirtella Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hisauchii Miyabe & Tatew. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hispanica Wilmott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hissarica Bornm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hoelscheri Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hoffmanniana W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula hoffmeisteri Klotzsch | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hoii W.P. Fang | Accepted |  | TRO |  | 
	
		| Primula homogama F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula hondoensis Nakai & Kitag. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hongshanensis D.W.H.Rankin, Z.D.Fang & H.Sun | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hookeri Watt | Accepted |  | TRO |  | 
	
		| Primula hookeri var. hookeri | Synonym |  | TRO |  | 
	
		| Primula hookeri var. violacea (W.W. Sm.) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula hookeriana Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hookeriana (Klatt) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hopeana Balf.f. & R.E.Cooper | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hoppei Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hornemanniana Lehm. | Synonym |  | TRO |  | 
	
		| Primula hsiungiana W.P. Fang | Synonym |  | TRO |  | 
	
		| Primula huana W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula huashanensis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula × hugueninii Brügger | Unresolved |  | WCSP (in review) |  | 
	
		| Primula humicola Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula humilis Pax & K. Hoffm. | Accepted |  | TRO |  | 
	
		| Primula hungarica Borbás | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hunnewellii Fernald | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hupehensis W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula × huteri A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hyacinthina W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula hybrida E.H.L.Krause | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hybrida Schrank | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hylobia W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula hylophila Balf. f. & Farrer | Synonym |  | TRO |  | 
	
		| Primula hymenophylla Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula hyperborea Spreng. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula hypoleuca Hand.-Mazz. | Accepted |  | TRO |  | 
	
		| Primula ianthina Balf.f. & Cave | Unresolved |  | WCSP (in review) |  | 
	
		| Primula iljinskii Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula illibata Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula imbricata Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula imperialis Jungh. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula inayatii Duthie | Accepted |  | TRO |  | 
	
		| Primula incana M.E. Jones | Accepted |  | TRO |  | 
	
		| Primula incisa Franch. | Synonym |  | TRO |  | 
	
		| Primula incisa subsp. pectinata (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula indobella Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula infecta (Kress) Landolt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula inflata Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula inflata subsp. macrocalyx (Bunge) O. Schwarz | Synonym |  | TRO |  | 
	
		| Primula ingens W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula ingwerseniana Hesl.-Harr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula inodora Hill | Unresolved |  | WCSP (in review) |  | 
	
		| Primula inopinata H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula intanoensis T.Yamaz. | Accepted |  | WCSP (in review) |  | 
	
		| Primula integrifolia L. | Accepted |  | WCSP (in review) |  | 
	
		| Primula intercedens Fernald | Accepted |  | TRO |  | 
	
		| Primula interjacens F.H. Chen | Accepted |  | TRO |  | 
	
		| Primula interjacens var. interjacens | Synonym |  | TRO |  | 
	
		| Primula × intermedia Port. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula intermedia Sims | Unresolved |  | WCSP (in review) |  | 
	
		| Primula intermedia Ledeb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × intermedia Facchini | Unresolved |  | WCSP (in review) |  | 
	
		| Primula intermedia Hegetschw. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula intricata Gren. & Godr. | Synonym |  | WCSP (in review) |  | 
	
		| Primula intrusa Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula involucrata Wall. ex Duby | Accepted |  | TRO |  | 
	
		| Primula involucrata subsp. involucrata | Synonym |  | TRO |  | 
	
		| Primula involucrata subsp. yargongensis (Petitm.) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula ioessa W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula ionantha Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula irmingardis (Kress) Landolt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula irregularis Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula jaeschkeana A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula jaffreyana King | Accepted |  | TRO |  | 
	
		| Primula japonica A.Gray | Unresolved |  | WCSP (in review) |  | 
	
		| Primula japonica var. angustidens Franch. | Synonym |  | TRO |  | 
	
		| Primula japonica f. robusta Hemsl. | Synonym |  | TRO |  | 
	
		| Primula jeffreyi (Van Houtte) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula jellenkiana Freyer ex Nyman | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × jenensis O.Schwarz | Unresolved |  | WCSP (in review) |  | 
	
		| Primula jesoana Miq. | Accepted |  | WCSP (in review) |  | 
	
		| Primula jigmediana W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula jiraseckiana Tratt. ex Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula jonardunii W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula jucunda W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula jucunda var. ponticula W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula × judicariensis Beyer | Unresolved |  | WCSP (in review) |  | 
	
		| Primula juliae Kusn. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula junior Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula × juribella Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula justinii Sennen & Elias | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kamuiana Miyabe & Tatew. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kanseana Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula kaufmanniana Regel | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kawasimae H. Hara | Accepted |  | TRO |  | 
	
		| Primula × kellereri Ingw. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × kerneri Goebl & Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × kewensis W.Watson | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kewensis W. Wats. | Unresolved |  | TRO |  | 
	
		| Primula khasiana Balf.f. & W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kialensis Franch. | Accepted |  | TRO |  | 
	
		| Primula kialensis subsp. kialensis | Synonym |  | TRO |  | 
	
		| Primula kichanensis Franch. ex Petitm. | Synonym |  | TRO |  | 
	
		| Primula kingii Watt | Accepted |  | TRO |  | 
	
		| Primula kisoana Miq. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kisoana var. shikokiana Makino | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kitadakensis Hara | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kitaibeliana Schott | Accepted |  | WCSP (in review) |  | 
	
		| Primula kiuchiangensis Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula klattiana Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula klattii N.P. Balakr. | Accepted |  | TRO |  | 
	
		| Primula klaveriana Forrest | Accepted |  | TRO |  | 
	
		| Primula knorringiana Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula knuthiana Pax | Accepted |  | TRO |  | 
	
		| Primula knuthiana var. brevipes Pax | Synonym |  | TRO |  | 
	
		| Primula knuthiana var. major Pax | Synonym |  | TRO |  | 
	
		| Primula × kolbeana Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula komarovii Losinsk. | Synonym |  | WCSP (in review) |  | 
	
		| Primula kongboensis Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula kotschyi Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × kraettliana Brügger | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kuntzeana Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kusnetzovii Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula kwangtungensis W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula kweichouensis W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula kweichouensis var. kweichouensis | Synonym |  | TRO |  | 
	
		| Primula lacei Hemsl. & Watt | Synonym |  | TRO |  | 
	
		| Primula lacerata W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula laciniata Pax & K. Hoffm. | Accepted |  | TRO |  | 
	
		| Primula lactea Lam. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lacteocapitata Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula lactiflora (Fisch.) Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lactiflora Turkev. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lactucoides F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula laeschkeana A.Kern. ex Kolb | Unresolved |  | WCSP (in review) |  | 
	
		| Primula laeta W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula laevigata Duby ex Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula laevigata Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula laggeri (A.Huet) Voss | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lanata Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula lancifolia Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula langkongensis Forrest | Synonym |  | TRO |  | 
	
		| Primula lanuginosa (Wall.) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lanuginosa Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lanuginosa (Wall. ex Roxb.) Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula larsenii C.M.Hu | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lasiopetala Wallr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lateriflora Goupil | Unresolved |  | WCSP (in review) |  | 
	
		| Primula latifolia Lapeyr. | Accepted |  | WCSP (in review) |  | 
	
		| Primula latifolia var. cynoglossifolia Widmer | Unresolved |  | WCSP (in review) |  | 
	
		| Primula latiloba (A. Gray) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula latisecta W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula laurentiana Fernald | Accepted |  | TRO |  | 
	
		| Primula laurentiana f. laurentiana | Synonym |  | TRO |  | 
	
		| Primula laxiuscula W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula × lebliana Gusmus ex Kolb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lecomtei Petitm. | Synonym |  | TRO |  | 
	
		| Primula legendrei Bonati | Synonym |  | TRO |  | 
	
		| Primula legionensis Wilmott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × legionensis Rothm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × legueana Camus | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lehmannii Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula leimonophila Balf. f. | Synonym |  | TRO |  | 
	
		| Primula leiocalyx Gand. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × lempergii Buxb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lepida Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lepta Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula leptophylla W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula leptopoda Bureau & Franch. | Synonym |  | TRO |  | 
	
		| Primula leskeniensis Koss | Unresolved |  | WCSP (in review) |  | 
	
		| Primula leucantha Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula leucochnoa Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula leucophylla Pax | Synonym |  | WCSP (in review) |  | 
	
		| Primula leucops W.W. Sm. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula leucops var. anopa Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula leudrensis Porta ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula levicalyx C.M. Hu & Z.R. Xu | Accepted |  | TRO |  | 
	
		| Primula lhasaensis Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula licentii W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula lichiangensis (Forrest) Forrest | Synonym |  | TRO |  | 
	
		| Primula lichiangensis var. halapa Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula lihengiana C.M.Hu & R.Li | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lilacina Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lilacina A.J.Richards | Unresolved |  | WCSP (in review) |  | 
	
		| Primula limbata Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula limnoica W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula limprichtii Pax | Synonym |  | TRO |  | 
	
		| Primula linearis Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula listeri King ex Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula listeri var. glabrescens Franch. | Synonym |  | TRO |  | 
	
		| Primula listeri var. rotundifolia Franch. | Synonym |  | TRO |  | 
	
		| Primula lithophila F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula littledalei Balf. f. & Watt | Accepted |  | TRO |  | 
	
		| Primula littoniana Forrest | Synonym |  | TRO |  | 
	
		| Primula littoniana var. robusta Forrest | Synonym |  | TRO |  | 
	
		| Primula loczyi Kanitz | Unresolved |  | WCSP (in review) |  | 
	
		| Primula loeseneri Kitag. | Accepted |  | TRO |  | 
	
		| Primula lofthousei Hesl.-Harr. | Synonym |  | WCSP (in review) |  | 
	
		| Primula × loiseleurii Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula longiflora All. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula longiflora Aucher ex Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula longifolia Curtis | Unresolved |  | WCSP (in review) |  | 
	
		| Primula longifolia Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula longipes Freyn & Sint. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula longipetiolata Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula longipinnatifida F.H. Chen | Synonym |  | TRO |  | 
	
		| Primula longiscapa Ledeb. | Accepted |  | WCSP (in review) |  | 
	
		| Primula longituba Forrest | Synonym |  | TRO |  | 
	
		| Primula longobarda Porta ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula longobarda Porta ex A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ludlowiana (Hand.-Mazz.) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ludlowii W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula lungchiensis W.P. Fang | Accepted |  | TRO |  | 
	
		| Primula lutea Vill. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula luteola Rupr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula maccalliana Wiegand | Unresolved |  | WCSP (in review) |  | 
	
		| Primula macedonica Adamović | Unresolved |  | WCSP (in review) |  | 
	
		| Primula mackliniae A.J.Richards | Unresolved |  | WCSP (in review) |  | 
	
		| Primula maclarenii Balf.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula macounii Greene | Unresolved |  | WCSP (in review) |  | 
	
		| Primula macrantha Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula macrocalyx Bunge | Synonym |  | WCSP (in review) |  | 
	
		| Primula macrocarpa Maxim. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula macrophylla D. Don | Accepted |  | TRO |  | 
	
		| Primula macrophylla var. macrocarpa (G. Watt) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula macrophylla var. macrophylla | Synonym |  | TRO |  | 
	
		| Primula macrophylla var. moorcroftiana (Wall. ex Klatt) W.W. Sm. & H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula macrophylla var. ninguida (W.W. Sm.) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula macropoda W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula macrosiphonia Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula magellanica Lehm. | Accepted |  | WCSP (in review) |  | 
	
		| Primula magiassonica Porta ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula magnobella Balf.f. & Forrest | Unresolved |  | WCSP (in review) |  | 
	
		| Primula maguirei L.O. Williams | Synonym |  | TRO |  | 
	
		| Primula maikhaensis Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula mairei H. Lév. | Synonym |  | TRO |  | 
	
		| Primula malacoides Franch. | Accepted |  | TRO |  | 
	
		| Primula malacoides subsp. pseudomalacoides (L.B. Stewart) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula mallophylla Balf. f. | Accepted |  | TRO |  | 
	
		| Primula malvacea Franch. | Accepted |  | TRO |  | 
	
		| Primula malvacea var. alba Forrest | Synonym |  | TRO |  | 
	
		| Primula malvacea var. intermedia W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula malvacea subsp. rosthornii (Diels) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula mandarina Hoffm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula marginata Curtis | Accepted |  | WCSP (in review) |  | 
	
		| Primula mathildae Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula matsumurae Petitm. | Accepted |  | TRO |  | 
	
		| Primula matthioli (L.) K.Richt. | Accepted |  | WCSP (in review) |  | 
	
		| Primula maxima (L.) Kuntze | Synonym |  | WCSP (in review) |  | 
	
		| Primula maximowiczii Regel | Accepted |  | TRO |  | 
	
		| Primula maximowiczii var. brevifolia Pax | Synonym |  | TRO |  | 
	
		| Primula maximowiczii var. dielsiana Pax | Synonym |  | TRO |  | 
	
		| Primula maximowiczii var. euprepes W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula maximowiczii var. maximowiczii | Synonym |  | TRO |  | 
	
		| Primula mazurenkoae A.P.Khokhr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula meadia (L.) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula × media Peterm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula meeboldii Pax | Synonym |  | TRO |  | 
	
		| Primula megalocarpa H. Hara | Accepted |  | TRO |  | 
	
		| Primula megaseifolia Boiss. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula meiantha Balf.f. & W.W.Sm. | Synonym |  | WCSP (in review) |  | 
	
		| Primula meiotera (W.W. Sm. & H.R. Fletcher) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula melanantha (Franch.) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula melanodonta W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula melanops W.W. Sm. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula melantha (Franch.) C.M.Hu | Unresolved |  | WCSP (in review) |  | 
	
		| Primula melichlora Balf.f. & W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula membranifolia Franch. | Accepted |  | TRO |  | 
	
		| Primula menziesiana Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula merrilliana Schltr. | Accepted |  | TRO |  | 
	
		| Primula metria Balf.f. & R.E.Cooper | Unresolved |  | WCSP (in review) |  | 
	
		| Primula meyeri Rupr. | Accepted |  | TRO |  | 
	
		| Primula michauxii Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula microcalyx Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula microdonta Franch. ex Petitm. | Synonym |  | TRO |  | 
	
		| Primula microdonta var. alpicola W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula microdonta f. micromeres W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula microloma Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula micropetala Balf. f. & R.E. Cooper | Synonym |  | TRO |  | 
	
		| Primula microphylla Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula microstachys Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula minima L. | Accepted |  | WCSP (in review) |  | 
	
		| Primula minkwitziae W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula minor Balf. f. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula minuta Banks ex Roem. & Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula minutiflora Forrest | Synonym |  | TRO |  | 
	
		| Primula minutissima Jacquem. ex Duby | Accepted |  | TRO |  | 
	
		| Primula mirabilis Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula mishmiensis Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula mistassinica Michx. | Accepted |  | WCSP (in review) |  | 
	
		| Primula mistassinica var. macropoda (Fernald) B. Boivin | Accepted |  | TRO |  | 
	
		| Primula mistassinica var. mistassinica | Synonym |  | TRO |  | 
	
		| Primula mistassinica f. mistassinica | Synonym |  | TRO |  | 
	
		| Primula miyabeana T. Itô & Kawak. | Accepted |  | TRO |  | 
	
		| Primula mnischeikii Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula modesta Bisset & S.Moore | Unresolved |  | WCSP (in review) |  | 
	
		| Primula mollis Nutt. ex Hook. | Accepted |  | TRO |  | 
	
		| Primula mollis subsp. seclusa (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula monantha W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula monbeigii Balf. f. | Synonym |  | TRO |  | 
	
		| Primula montana Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula montana Reut. ex Nyman | Unresolved |  | WCSP (in review) |  | 
	
		| Primula montana Opiz | Unresolved |  | WCSP (in review) |  | 
	
		| Primula montana Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula monticola (Hand.-Mazz.) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula moorcroftiana Wall. ex Klatt | Synonym |  | TRO |  | 
	
		| Primula moorcroftiana var. flavida W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula mooreana Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula × morissetii Lepage | Unresolved |  | WCSP (in review) |  | 
	
		| Primula morsheadiana Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula moschata Salisb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula moschophora Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula moupinensis Franch. | Accepted |  | TRO |  | 
	
		| Primula moupinensis subsp. moupinensis | Synonym |  | TRO |  | 
	
		| Primula mucronata Greene | Synonym |  | TRO |  | 
	
		| Primula mucronata var. arizonica Greene | Synonym |  | TRO |  | 
	
		| Primula mucronifolia Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula muliensis Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula multicaulis Petitm. | Synonym |  | TRO |  | 
	
		| Primula multiceps Freyer ex Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula multiscapa Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula munroi Lindl. | Synonym |  | TRO |  | 
	
		| Primula × murbeckii Lindq. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × muretiana Moritzi | Unresolved |  | WCSP (in review) |  | 
	
		| Primula muretii Charpent. ex W.D.J.Koch | Unresolved |  | WCSP (in review) |  | 
	
		| Primula muscarioides Hemsl. | Accepted |  | TRO |  | 
	
		| Primula muscarioides subsp. conica (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula muscoides Hook. f. ex Watt | Accepted |  | TRO |  | 
	
		| Primula muscoides var. tenuiloba Watt | Synonym |  | TRO |  | 
	
		| Primula mutabilis Lour. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula mystrophylla Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula nana Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula nana Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula nanobella Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula nanocapitata Balf.f. & W.W.Sm. ex S.K.Basak & Maiti | Unresolved |  | WCSP (in review) |  | 
	
		| Primula nelsonii Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula nemoralis Balf. f. | Synonym |  | TRO |  | 
	
		| Primula nepalensis W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula nepalensis Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula neurocalyx Franch. | Accepted |  | TRO |  | 
	
		| Primula neurocalyx subsp. riparia (Balf. f. & Farrer) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula nevadensis N.H. Holmgren | Synonym |  | TRO |  | 
	
		| Primula nghialoensis D.W.H.Rankin | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ninguida W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula nipponica Yatabe | Unresolved |  | WCSP (in review) |  | 
	
		| Primula nivalis Pall. | Accepted |  | TRO |  | 
	
		| Primula nivalis var. colorata Regel | Synonym |  | TRO |  | 
	
		| Primula nivalis var. farinosa Schrenk ex Fisch. & C.A. Mey. | Accepted |  | TRO |  | 
	
		| Primula nivalis var. longifolia Regel | Synonym |  | TRO |  | 
	
		| Primula nivalis var. macrocarpa (G. Watt) Pax | Synonym |  | TRO |  | 
	
		| Primula nivalis var. macrophylla (D. Don) Pax | Synonym |  | TRO |  | 
	
		| Primula nivalis var. melanantha Franch. | Synonym |  | TRO |  | 
	
		| Primula nivalis var. moorcroftiana (Wall. ex Klatt) Pax | Synonym |  | TRO |  | 
	
		| Primula nivalis var. nivalis | Synonym |  | TRO |  | 
	
		| Primula nivalis var. pumila Ledeb. | Synonym |  | TRO |  | 
	
		| Primula nivalis var. turkestanica Regel | Synonym |  | TRO |  | 
	
		| Primula nivea Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula normaniana Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula norwegica Retz. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula nutans Georgi | Accepted |  | WCSP (in review) |  | 
	
		| Primula nutans subsp. finmarchica Á. Löve & D. Löve | Synonym |  | TRO |  | 
	
		| Primula nutantiflora Hemsl. | Accepted |  | TRO |  | 
	
		| Primula obconica Hance | Accepted |  | TRO |  | 
	
		| Primula obconica subsp. barbicalyx (C.H. Wright) W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula obconica subsp. begoniiformis (Petitm.) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula obconica subsp. densa (Balf. f.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula obconica var. hispida Franch. | Synonym |  | TRO |  | 
	
		| Primula obconica var. nigroglandulosa W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula obconica subsp. nigroglandulosa (W.W. Sm. & H.R. Fletcher) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula obconica subsp. obconica | Synonym |  | TRO |  | 
	
		| Primula obconica subsp. parva (Balf. f.) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula obconica subsp. petitmenginii (Bonati) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula obconica var. rotundifolia Franch. | Synonym |  | TRO |  | 
	
		| Primula obconica subsp. sinolisteri (Balf. f.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula obconica subsp. vilmoriniana (Petitm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula obconica subsp. werringtonensis (Forrest) W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula obconica var. werringtonensis (Franch.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula oblanceolata Balf. f. | Synonym |  | TRO |  | 
	
		| Primula obliqua W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula × oblongifolia Schur | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × obovata Huter | Unresolved |  | WCSP (in review) |  | 
	
		| Primula obovata (Hemsl.) Pax | Synonym |  | TRO |  | 
	
		| Primula × obristii Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula obsessa W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula obtusifolia Royle | Accepted |  | TRO |  | 
	
		| Primula obtusifolia var. griffithii Watt | Synonym |  | TRO |  | 
	
		| Primula occidentalis (Pursh) Kuntze | Synonym |  | TRO |  | 
	
		| Primula occlusa W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula ochotensis Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ochracea Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula oculata Duthie ex Balf.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula odontica W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula odontocalyx (Franch.) Pax | Accepted |  | TRO |  | 
	
		| Primula odontophylla Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula odora Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula odorata Gilib. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula odoratissima Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula oenensis Thomas ex Schott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × oenipontina Mountfort | Unresolved |  | WCSP (in review) |  | 
	
		| Primula officinalis (L.) Hill | Synonym |  | WCSP (in review) |  | 
	
		| Primula officinalis f. canescens Opiz | Synonym |  | WCSP (in review) |  | 
	
		| Primula officinalis subsp. columnae (Ten.) Widmer | Synonym |  | WCSP (in review) |  | 
	
		| Primula officinalis var. macrocalyx (Bunge) C. Koch | Synonym |  | TRO |  | 
	
		| Primula okamotoi Koidz. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula olgae Regel | Unresolved |  | WCSP (in review) |  | 
	
		| Primula operculata R. Knuth | Synonym |  | TRO |  | 
	
		| Primula optata Farrer | Accepted |  | TRO |  | 
	
		| Primula orbicularis Hemsl. | Accepted |  | TRO |  | 
	
		| Primula oreina Balf. f. & R.E. Cooper | Synonym |  | TRO |  | 
	
		| Primula oreocharis Hance | Synonym |  | TRO |  | 
	
		| Primula oreodoxa Franch. | Accepted |  | TRO |  | 
	
		| Primula oresbia Balf. f. | Synonym |  | TRO |  | 
	
		| Primula orestora W. G. Craib & R.E. Cooper | Synonym |  | TRO |  | 
	
		| Primula orientalis Willd. ex Roem. & Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ornata Banks ex Roem. & Schult. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ossetica Kusn. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ovalifolia Franch. | Accepted |  | TRO |  | 
	
		| Primula ovalifolia subsp. tardiflora C.M. Hu | Synonym |  | TRO |  | 
	
		| Primula oxygraphidifolia W.W. Sm. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula pacheri Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pachyscapa Goiran & Del Fabbro | Unresolved |  | WCSP (in review) |  | 
	
		| Primula palinuri Petagna | Accepted |  | WCSP (in review) |  | 
	
		| Primula pallasii Lehm. | Synonym |  | WCSP (in review) |  | 
	
		| Primula pallida Schott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula palmata Hand.-Mazz. | Accepted |  | TRO |  | 
	
		| Primula pamirica Fed. | Accepted |  | TRO |  | 
	
		| Primula × pannonica A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pantlingii Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula paritoshensis Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula parlatorii Porta ex Caruel | Unresolved |  | WCSP (in review) |  | 
	
		| Primula parryi A. Gray | Accepted |  | TRO |  | 
	
		| Primula parryi var. brachyantha Rydb. | Synonym |  | TRO |  | 
	
		| Primula parryi f. mucronata (Greene) Cockerell | Synonym |  | TRO |  | 
	
		| Primula partschiana Pax | Accepted |  | TRO |  | 
	
		| Primula parva Balf. f. | Synonym |  | TRO |  | 
	
		| Primula parviflora (Jacq. ex Duby) Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula parvifolia Duby | Unresolved |  | WCSP (in review) |  | 
	
		| Primula parvula Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula patens (Turcz.) N.Busch [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Primula patens E.A. Busch | Accepted |  | TRO |  | 
	
		| Primula patens Turcz. | Synonym |  | TRO |  | 
	
		| Primula patens var. genuina Skvortsov | Synonym |  | TRO |  | 
	
		| Primula patens var. manshurica Skvortsov | Synonym |  | TRO |  | 
	
		| Primula pauciflora (Greene) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula pauciflora var. cusickii (Greene) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula pauciflora var. distola (Reveal) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula pauciflora var. macrocarpa (A. Gray) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula pauciflora var. monantha (Greene) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula pauciflora var. shoshonensis (A. Nelson) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula pauciflora var. zionensis (Eastw.) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula paucifolia Watt | Synonym |  | TRO |  | 
	
		| Primula pauliana W.W. Sm. & Forrest | Accepted |  | TRO |  | 
	
		| Primula pauliana var. pauliana | Synonym |  | TRO |  | 
	
		| Primula paxiana Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula paxiana Gilg | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pectinata Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula pedemontana Thomas ex Gaudin | Accepted |  | WCSP (in review) |  | 
	
		| Primula pedemontana subsp. iberica Losa & P.Monts. | Synonym |  | WCSP (in review) |  | 
	
		| Primula peduncularis Bornm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pellucida Franch. | Accepted |  | TRO |  | 
	
		| Primula penduliflora Franch. ex Petitm. | Synonym |  | TRO |  | 
	
		| Primula perreiniana Flüggé | Unresolved |  | WCSP (in review) |  | 
	
		| Primula petelotii W.W.Sm. | Accepted |  | WCSP (in review) |  | 
	
		| Primula petiolaris Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula petiolaris var. odontocalyx Franch. | Synonym |  | TRO |  | 
	
		| Primula petiolaris var. scapigera Hook. f. | Synonym |  | TRO |  | 
	
		| Primula petiolaris var. setschwanica Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula petitmenginii Bonati | Synonym |  | TRO |  | 
	
		| Primula petraea Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula petrocallis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula petrocallis var. petrocallis | Synonym |  | TRO |  | 
	
		| Primula petrocharis Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula petrophyes Balf. f. | Synonym |  | TRO |  | 
	
		| Primula × peyritschii Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula philoresia Balf. f. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula pinetorum (Greene) Derganc | Synonym |  | TRO |  | 
	
		| Primula pinnata Popov & Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pinnatifida Franch. | Accepted |  | TRO |  | 
	
		| Primula pinnatifida subsp. apoclita (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula pinnatifida subsp. cephalantha (Balf. f.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula pintchouanensis Petitm. | Synonym |  | TRO |  | 
	
		| Primula pirolifolia H. Lév. | Synonym |  | TRO |  | 
	
		| Primula pistiifolia Griseb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pistillaris Hoffmanns. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula planiflora Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula × plantae Brügger | Unresolved |  | WCSP (in review) |  | 
	
		| Primula platycrana W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula plebeia Balf. f. | Synonym |  | TRO |  | 
	
		| Primula poculiformis Hook. f. | Synonym |  | TRO |  | 
	
		| Primula poetica (L.F. Hend.) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula poissonii Franch. | Accepted |  | WCSP (in review) |  | 
	
		| Primula poissonii subsp. angustidens (Franch.) Pax ex W.W. Sm. & G. Forrest | Synonym |  | TRO |  | 
	
		| Primula poissonii subsp. wilsonii (Balf. f. & Kingdon-Ward) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula polia W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula polliniana Moretti | Unresolved |  | WCSP (in review) |  | 
	
		| Primula polonensis Kingdon-Ward | Unresolved |  | WCSP (in review) |  | 
	
		| Primula poloninensis Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula poluninii H.R.Fletcher | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × polyantha Mill. | Accepted |  | WCSP (in review) |  | 
	
		| Primula polyantha Mill. | Unresolved |  | TRO |  | 
	
		| Primula polyneura Franch. | Accepted |  | TRO |  | 
	
		| Primula polyneura subsp. hymenophylla (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula polyneura subsp. lichiangensis (Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula polyneura subsp. sataniensis (Balf. f. & Farrer) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula polyneura subsp. sikuensis (Balf. f. & Farrer) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula polyneura subsp. veitchii (Duthie) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula polyphylla (Franch.) Petitm. | Synonym |  | TRO |  | 
	
		| Primula polyphylla var. monticola Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula × portae Huter ex A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula potaninii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula praeflorens F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula praenitens (Link) Ker Gawl. | Accepted |  | TRO |  | 
	
		| Primula praetermissa W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula praticola W. G. Craib | Synonym |  | TRO |  | 
	
		| Primula prattii Hemsl. | Accepted |  | TRO |  | 
	
		| Primula prenantha Balf. f. & W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula prenantha subsp. morsheadiana (Kingdon-Ward) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula prenantha subsp. prenantha | Synonym |  | TRO |  | 
	
		| Primula prevernalis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula primulina (Spreng.) H. Hara | Accepted |  | TRO |  | 
	
		| Primula pringlei Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula prionotes Balf. f. & G. Watt | Synonym |  | TRO |  | 
	
		| Primula proba Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula prolifera Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula propinqua Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula × pruhonicensis Bergmans | Unresolved |  | WCSP (in review) |  | 
	
		| Primula przewalskii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × pseudoacaulis Caruel | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pseudoacaulis Schur | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pseudobracteata Petitm. | Synonym |  | TRO |  | 
	
		| Primula pseudocapitata Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula pseudodenticulata Pax | Accepted |  | TRO |  | 
	
		| Primula pseudodenticulata subsp. polyphylla (Franch.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula pseudoelatior Kusn. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pseudoforsteri Dalla Torre & Sarnth. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pseudoglabra Hand.-Mazz. | Accepted |  | TRO |  | 
	
		| Primula pseudomalacoides L.B. Stewart | Synonym |  | TRO |  | 
	
		| Primula pseudopetiolaris Pax & K.Hoffm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pseudosikkimensis Forrest ex Diels | Synonym |  | TRO |  | 
	
		| Primula pskemensis Lazkov | Accepted |  | WCSP (in review) |  | 
	
		| Primula × puberula Schott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × pubescens Jacq. | Accepted |  | WCSP (in review) |  | 
	
		| Primula pubescens Loisel. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pudibunda W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula pulchella Franch. | Accepted |  | TRO |  | 
	
		| Primula pulchelloides Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula pulcherrima Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pulchra Watt | Accepted |  | TRO |  | 
	
		| Primula pulverea Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pulverulenta Duthie | Accepted |  | TRO |  | 
	
		| Primula pulvinata Balf. f. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula × pumila A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pumila (Ledeb.) Pax | Synonym |  | TRO |  | 
	
		| Primula pumila var. arctica E.A. Busch | Synonym |  | TRO |  | 
	
		| Primula pumilio Maxim. | Accepted |  | TRO |  | 
	
		| Primula purdomii W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula purpurascens Beck | Unresolved |  | WCSP (in review) |  | 
	
		| Primula purpurea Royle | Synonym |  | TRO |  | 
	
		| Primula pusilla Goldie | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pusilla Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pusilla var. flabellata W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula pycnoloba Bureau & Franch. | Accepted |  | TRO |  | 
	
		| Primula pycnorhiza Ledeb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pygmaeorum Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula pyrenaica Miégev. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula pyrenaica Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula qinghaiensis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula racemosa Bonati | Synonym |  | TRO |  | 
	
		| Primula racemosa H. Lév. | Synonym |  | TRO |  | 
	
		| Primula radicata Balf.f. & W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ragotiana H. Lév. | Synonym |  | TRO |  | 
	
		| Primula ramzanae W.W.Sm. & H.R.Fletcher | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ranunculoides F.H. Chen | Synonym |  | TRO |  | 
	
		| Primula ranunculoides var. minor F.H. Chen | Synonym |  | TRO |  | 
	
		| Primula rebeccae A.J.Richards | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rechingeri Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula recubariensis Prosser & Scorteg. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula redolens Balf. f. & Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula reflexa Petitm. | Accepted |  | TRO |  | 
	
		| Primula refracta Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula reginella Balf. f. | Synonym |  | TRO |  | 
	
		| Primula reichenbachii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula reidii Duthie | Accepted |  | TRO |  | 
	
		| Primula reinii Franch. & Sav. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula renifolia Volgunov | Unresolved |  | WCSP (in review) |  | 
	
		| Primula repentina O.Schwarz | Unresolved |  | WCSP (in review) |  | 
	
		| Primula reptans Hook. f. ex Watt | Accepted |  | TRO |  | 
	
		| Primula reticulata Wall. | Accepted |  | TRO |  | 
	
		| Primula rhaetica Gaudin | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × rheiniana Ingw. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rhizomatosa (Hand.-Mazz.) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rhodantha Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula rhodochroa W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula rhodochroa var. geraldinae (W.W. Sm.) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula rhodochroa var. meiotera W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula rhodochroa var. rhodochroa | Synonym |  | TRO |  | 
	
		| Primula rhododendricola Sennen | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rhodotricha Nakai & F.Maek. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula riae Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula richteri Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rigida Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula rimicola W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula riparia Balf. f. & Farrer | Synonym |  | TRO |  | 
	
		| Primula rivula L. | Unresolved |  | TRO |  | 
	
		| Primula rockii W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula rosea Royle | Accepted |  | TRO |  | 
	
		| Primula rosea var. elegans (Duby) Hook. f. | Synonym |  | TRO |  | 
	
		| Primula rosea var. harrissii (Watt ex Balf. f.) W.W. Sm. & Fletcher | Accepted |  | TRO |  | 
	
		| Primula rosea subsp. rhodantha (Balf. f. & W.W. Sm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula rosiflora Balf.f. & W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rosthornii Diels | Synonym |  | TRO |  | 
	
		| Primula × rotundifolia Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rotundifolia Wall. | Accepted |  | TRO |  | 
	
		| Primula roxburghii N.P. Balakr. | Synonym |  | TRO |  | 
	
		| Primula roylei Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula roylei var. alba W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula roylei subsp. calderiana (Balf. f. & R.E. Cooper) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula rubicunda H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula rubifolia C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula rubra Honck. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rubra Dörfl. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rubra Kingdon-Ward | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rubra J.F.Gmel. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rufa Balf. f. | Synonym |  | TRO |  | 
	
		| Primula rugosa N.P. Balakr. | Accepted |  | TRO |  | 
	
		| Primula runcinata C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula rupestris Balf. f. & Farrer | Accepted |  | TRO |  | 
	
		| Primula rupestris Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula rupicola Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula rupicola var. albicolor W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula ruprechtii Kusn. ex Lipsky | Unresolved |  | WCSP (in review) |  | 
	
		| Primula ruprechtii Kusn. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula rusbyi Greene | Accepted |  | TRO |  | 
	
		| Primula russeola Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula sachalinensis Nakai | Unresolved |  | WCSP (in review) |  | 
	
		| Primula saguramica Gavr. | Unresolved |  | TRO |  | 
	
		| Primula salisburgensis Willd. ex Schott | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × salisii Brügger | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × salomonii Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × sanctae-coronae Beck | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sandemaniana W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula × santii Gola | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sapphirina Hook. f. & Thomson | Accepted |  | TRO |  | 
	
		| Primula sarmentosa Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sarmentosa (Wall.) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sataniensis Balf. f. & Farrer | Synonym |  | TRO |  | 
	
		| Primula saturata W.W. Sm. & H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula saundersiana Royle ex Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sauteri Schultz | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sawyeri G.Watt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula saxatilis Kom. | Accepted |  | WCSP (in review) |  | 
	
		| Primula saxatilis var. pubescens Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula saxicola Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula saxifragifolia Lehm. | Synonym |  | WCSP (in review) |  | 
	
		| Primula scandinavica Brunn | Accepted |  | WCSP (in review) |  | 
	
		| Primula scapigera (Hook. f.) W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula schinzii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula schlagintweitiana Pax | Accepted |  | TRO |  | 
	
		| Primula × schmidelyi Gremli | Unresolved |  | WCSP (in review) |  | 
	
		| Primula schottii Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sciophila Balf.f. & Kingdon-Ward | Unresolved |  | WCSP (in review) |  | 
	
		| Primula scopulorum Balf. f. & Farrer | Accepted |  | TRO |  | 
	
		| Primula scotica Hook. | Accepted |  | WCSP (in review) |  | 
	
		| Primula scullyi Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula seclusa Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula secundiflora Franch. | Accepted |  | TRO |  | 
	
		| Primula sedifolia Salisb. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Primula selago Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula semperflorens Loisel. ex Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sempervivoides Kuntze | Synonym |  | TRO |  | 
	
		| Primula senanensis Koidz. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula septemloba Franch. | Accepted |  | TRO |  | 
	
		| Primula septemloba var. septemloba | Synonym |  | TRO |  | 
	
		| Primula septentrionalis (L.) Kuntze | Synonym |  | TRO |  | 
	
		| Primula septentrionalis var. subulifera (A. Gray) Derganc | Synonym |  | TRO |  | 
	
		| Primula sericea Krock. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula serra Small | Unresolved |  | WCSP (in review) |  | 
	
		| Primula serrata Georgi | Unresolved |  | WCSP (in review) |  | 
	
		| Primula serratifolia Franch. | Accepted |  | TRO |  | 
	
		| Primula sertulosa J.Kickx f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sertulum Franch. | Accepted |  | TRO |  | 
	
		| Primula sessiliflora (Turrill) Bennet & Raizada | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sessilis Royle ex Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sharmae H.R.Fletcher | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sherriffiae W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula sherriffii auct. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula shihmienensis W.P. Fang | Synonym |  | TRO |  | 
	
		| Primula shikokiana (Makino) Nakai | Unresolved |  | WCSP (in review) |  | 
	
		| Primula shweli-calliantha Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula siamensis Craib | Accepted |  | WCSP (in review) |  | 
	
		| Primula sibirica Jacq. | Synonym |  | WCSP (in review) |  | 
	
		| Primula sibirica Wulfen | Synonym |  | TRO |  | 
	
		| Primula sibirica var. mistassinica (Michx.) Kurtz | Synonym |  | TRO |  | 
	
		| Primula sibthorpii Hoffmanns. | Synonym |  | WCSP (in review) |  | 
	
		| Primula sieberi Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sieboldii E.Morren | Accepted |  | WCSP (in review) |  | 
	
		| Primula sieboldii f. albiflora Y.N.Lee | Synonym |  | WCSP (in review) |  | 
	
		| Primula sieboldii f. hortensis H.Takeda | Synonym |  | WCSP (in review) |  | 
	
		| Primula sieboldii var. patens (Turcz.) Kitag. | Synonym |  | WCSP (in review) |  | 
	
		| Primula sieboldii f. patens (Turcz.) Kitag. | Synonym |  | TRO |  | 
	
		| Primula sieboldii f. spontanea H.Takeda | Synonym |  | WCSP (in review) |  | 
	
		| Primula sikangensis Chen | Synonym |  | TRO |  | 
	
		| Primula sikkimensis Hook. | Accepted |  | TRO |  | 
	
		| Primula sikkimensis var. hookeri Stapf | Synonym |  | TRO |  | 
	
		| Primula sikkimensis var. lorifolia W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula sikkimensis subsp. pseudosikkimensis (Forrest ex Diels) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula sikkimensis subsp. pudibunda (W.W. Sm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula sikkimensis var. pudibunda (W.W. Sm.) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula sikkimensis subsp. subpinnatifida W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula sikkimensis var. subpinnatifida (W.W. Sm.) W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula sikuensis Balf. f. & Farrer | Synonym |  | TRO |  | 
	
		| Primula silaensis Petitm. | Accepted |  | TRO |  | 
	
		| Primula silenantha Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula × silva-taroucana C.K.Schneid. & Zemann | Unresolved |  | WCSP (in review) |  | 
	
		| Primula silvia Farrer | Unresolved |  | WCSP (in review) |  | 
	
		| Primula simensis Hochst. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × similis Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula simplicissima Ledeb. ex Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula simsii Sweet | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sinensis Sabine ex Lindl. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sinensis Lour. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sinodenticulata Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula sinoexscapa C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula sinolisteri Balf. f. | Accepted |  | TRO |  | 
	
		| Primula sinolisteri var. sinolisteri | Synonym |  | TRO |  | 
	
		| Primula sinomollis Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula sinomollis var. alba Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula sinonivalis Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula sinoplantaginea Balf. f. | Accepted |  | TRO |  | 
	
		| Primula sinoplantaginea var. graminifolia (Pax & K. Hoffm.) W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula sinoplantaginea subsp. graminifolia (Pax & K. Hoffm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula sinopurpurea Balf. f. ex Hutch. | Synonym |  | TRO |  | 
	
		| Primula sinuata Franch. | Accepted |  | TRO |  | 
	
		| Primula siphonantha W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula smithiana W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula socialis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula soldanelloides Watt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sonchifolia Franch. | Accepted |  | TRO |  | 
	
		| Primula sonchifolia var. atrocoerulea Forrest | Synonym |  | TRO |  | 
	
		| Primula sonchifolia subsp. sonchifolia | Synonym |  | TRO |  | 
	
		| Primula soongii F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula sorachiana Miyabe & Tatew. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula souliei Franch. | Accepted |  | TRO |  | 
	
		| Primula souliei subsp. florida (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula souliei subsp. humilis (Pax & K. Hoffm.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula souliei subsp. legendrei (Bonati) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula souliei subsp. oresbia (Balf. f.) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula spathulacea Jacquem. ex Duby | Synonym |  | TRO |  | 
	
		| Primula spathulata Royle | Unresolved |  | WCSP (in review) |  | 
	
		| Primula spathulifolia Craib | Unresolved |  | WCSP (in review) |  | 
	
		| Primula speciosa D.Don | Unresolved |  | WCSP (in review) |  | 
	
		| Primula speciosa J.G.Gmel. ex Steud. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula spectabilis Tratt. | Accepted |  | WCSP (in review) |  | 
	
		| Primula specuicola Rydb. | Accepted |  | TRO |  | 
	
		| Primula speluncicola Petitm. | Synonym |  | TRO |  | 
	
		| Primula sphaerocephala Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula spicata Franch. | Accepted |  | TRO |  | 
	
		| Primula squamosa Klatt ex Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula squarrosula Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula standleyana A.R.Mast & Reveal | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × steinii Obrist ex Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula stelviana Vulpius | Unresolved |  | WCSP (in review) |  | 
	
		| Primula stenocalyx Maxim. | Accepted |  | TRO |  | 
	
		| Primula stenocalyx var. luteofarinosa W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula stenodonta Balf. f. ex W.W. Sm. & H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula stephanocalyx Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula stirtoniana Watt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula stolonifera Balf. f. | Synonym |  | TRO |  | 
	
		| Primula stracheyi Hook. f. ex Munro | Synonym |  | TRO |  | 
	
		| Primula stragulata Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula straussii Bornm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula stricta Hornem. | Accepted |  | WCSP (in review) |  | 
	
		| Primula stricta var. groenlandica Warm. | Synonym |  | TRO |  | 
	
		| Primula strumosa Balf. f. & R.E. Cooper | Accepted |  | TRO |  | 
	
		| Primula strumosa subsp. strumosa | Synonym |  | TRO |  | 
	
		| Primula stuartii Wall. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula stuartii Hook.f. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula stuartii var. macrocarpa G. Watt | Synonym |  | TRO |  | 
	
		| Primula stuartii var. moorcroftiana (Wall. ex Klatt) Watt | Synonym |  | TRO |  | 
	
		| Primula stuartii var. purpurea (Royle) Watt | Synonym |  | TRO |  | 
	
		| Primula × sturii Schott ex Kolb | Unresolved |  | WCSP (in review) |  | 
	
		| Primula suaveolens Bertol. | Synonym |  | WCSP (in review) |  | 
	
		| Primula × suaveolens Caruel | Unresolved |  | WCSP (in review) |  | 
	
		| Primula suaveolens subsp. thomasinii (Gren. & Godr.) Nyman | Synonym |  | WCSP (in review) |  | 
	
		| Primula subalpina (Eastw.) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula subansirica G.D.Pal | Unresolved |  | WCSP (in review) |  | 
	
		| Primula subarctica Schur | Unresolved |  | WCSP (in review) |  | 
	
		| Primula subtropica Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula subularia W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula suffrutescens A. Gray | Accepted |  | TRO |  | 
	
		| Primula sulphurea Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula sulphurea var. rosea Pax & K. Hoffm. | Synonym |  | TRO |  | 
	
		| Primula sumatrana Merr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sutchuenensis Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sylvestris Scop. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula sylvicola Hutch. | Synonym |  | TRO |  | 
	
		| Primula szechuanica Pax | Accepted |  | TRO |  | 
	
		| Primula takedana Tatew. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula taliensis Forrest | Accepted |  | TRO |  | 
	
		| Primula taliensis var. taliensis | Synonym |  | TRO |  | 
	
		| Primula tangutica Duthie | Accepted |  | TRO |  | 
	
		| Primula tangutica var. serrata W.W. Sm. & H.R. Fletcher | Synonym |  | TRO |  | 
	
		| Primula tangutica var. tangutica | Synonym |  | TRO |  | 
	
		| Primula tanneri King | Accepted |  | TRO |  | 
	
		| Primula tanneri subsp. tsariensis (W.W. Sm.) A.J. Richards | Synonym |  | TRO |  | 
	
		| Primula tanupoda Balf. f. & W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula tapeina Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula tapete Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tapete Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tapetodes (Bunge) Kuntze | Synonym |  | TRO |  | 
	
		| Primula taraxacoides Balf. f. | Synonym |  | TRO |  | 
	
		| Primula tardiflora (C.M. Hu) C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula × tauernensis Mountfort | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tayloriana H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula telemachica Klatt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tenana Bonati ex Balf. f. | Synonym |  | TRO |  | 
	
		| Primula tenella King ex Hook. f. | Accepted |  | TRO |  | 
	
		| Primula tenuiloba (Watt) Pax | Accepted |  | TRO |  | 
	
		| Primula tenuipes F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula tenuis Small | Accepted |  | TRO |  | 
	
		| Primula tenuituba C.M. Hu & Y.Y. Geng | Accepted |  | TRO |  | 
	
		| Primula × ternovania A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tetrandra (Suksd. ex Greene) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula thearosa Kingdon-Ward | Unresolved |  | WCSP (in review) |  | 
	
		| Primula thomasinii Gren. & Godr. | Synonym |  | WCSP (in review) |  | 
	
		| Primula × thomassiana Ingw. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tibetica Watt | Accepted |  | TRO |  | 
	
		| Primula tommasinii Nyman | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tongolensis Franch. | Accepted |  | TRO |  | 
	
		| Primula tosaensis Yatabe | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tournefortii Rupr. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula traillii G. Watt | Synonym |  | TRO |  | 
	
		| Primula × travnicensis Wiesb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tribola Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula tridentata D.Don | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tridentifera F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula triflora Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula triloba Balf. f. & Forrest | Accepted |  | TRO |  | 
	
		| Primula tristis Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula truncata Lehm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tsariensis W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula tsariensis var. tsariensis | Synonym |  | TRO |  | 
	
		| Primula tsarongensis Balf. f. & Forrest | Synonym |  | TRO |  | 
	
		| Primula tschuktschorum Kjellm. | Accepted |  | TRO |  | 
	
		| Primula tschuktschorum var. arctica (E.A. Busch) Fernald | Accepted |  | TRO |  | 
	
		| Primula tschuktschorum subsp. beringensis (A.E. Porsild) Jurtzev & Kozhevn. | Synonym |  | TRO |  | 
	
		| Primula tschuktschorum var. beringensis A.E. Porsild | Synonym |  | TRO |  | 
	
		| Primula tschuktschorum var. pumila (Ledeb.) Fernald | Accepted |  | TRO |  | 
	
		| Primula tschuktschorum var. tschuktschorum | Synonym |  | TRO |  | 
	
		| Primula tschuktschorum subsp. tschuktschorum | Synonym |  | TRO |  | 
	
		| Primula tsiangiae W.P.Fang | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tsiangii W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula tsongpenii H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula turkestanica (Regel) E.A. White | Synonym |  | TRO |  | 
	
		| Primula turkeviczii V.V.Byalt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula tyoseniana Nakai ex Kitag. | Synonym |  | TRO |  | 
	
		| Primula tyrolensis Schott | Accepted |  | WCSP (in review) |  | 
	
		| Primula tzetsouensis Petitm. | Accepted |  | TRO |  | 
	
		| Primula ulophylla Hand.-Mazz. | Synonym |  | TRO |  | 
	
		| Primula umbellata (Lour.) Bentv. | Synonym |  | WCSP (in review) |  | 
	
		| Primula umbratilis Balf.f. & R.E.Cooper | Unresolved |  | WCSP (in review) |  | 
	
		| Primula umbrella Forrest | Synonym |  | TRO |  | 
	
		| Primula undulata Fisch. ex Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula unicolor Lange | Unresolved |  | WCSP (in review) |  | 
	
		| Primula uniflora Klatt | Synonym |  | TRO |  | 
	
		| Primula uralensis Fisch. ex Rchb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula urticifolia Maxim. | Accepted |  | TRO |  | 
	
		| Primula utahensis (N.H. Holmgren) Mast & Reveal | Synonym |  | TRO |  | 
	
		| Primula vaginata Watt | Accepted |  | TRO |  | 
	
		| Primula vaginata subsp. eucyclia (W.W. Sm. & Forrest) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula vaginata subsp. normaniana (Kingdon-Ward) F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula vaginata subsp. vaginata | Synonym |  | TRO |  | 
	
		| Primula valentinae Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula valentiniana Hand.-Mazz. | Accepted |  | TRO |  | 
	
		| Primula × vallarsae Prosser & Scorteg. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula variabilis Bastard | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × variabilis Goupil | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × varians Sünd. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × variiflora Beck | Unresolved |  | WCSP (in review) |  | 
	
		| Primula veitchiana Petitm. | Accepted |  | TRO |  | 
	
		| Primula veitchii Duthie | Synonym |  | TRO |  | 
	
		| Primula velenovskyi Fritsch | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × venusta Host | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × venzoi Huter ex A.Kern. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula × venzoides Huter ex Venzo | Unresolved |  | WCSP (in review) |  | 
	
		| Primula veris L. | Accepted |  | WCSP (in review) |  | 
	
		| Primula veris var. acaulis L. | Synonym |  | WCSP (in review) |  | 
	
		| Primula veris subsp. canescens (Opiz) Hayek ex Ludi | Accepted |  | WCSP (in review) |  | 
	
		| Primula veris subsp. columnae (Ten.) Maire & Petitm. | Synonym |  | WCSP (in review) |  | 
	
		| Primula veris var. elatior L. | Synonym |  | WCSP (in review) |  | 
	
		| Primula veris subsp. macrocalyx (Bunge) Lüdi | Accepted |  | WCSP (in review) |  | 
	
		| Primula veris var. officinalis L. | Synonym |  | WCSP (in review) |  | 
	
		| Primula veris subsp. suaveolens (Bertol.) Gutermann & Ehrend. | Accepted |  | WCSP (in review) |  | 
	
		| Primula vernalis Salisb. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula vernicosa Kingdon-Ward | Synonym |  | TRO |  | 
	
		| Primula vernicosa var. violacea W.W. Sm. | Synonym |  | TRO |  | 
	
		| Primula veronicoides Petitm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula verticillata Forssk. | Accepted |  | TRO |  | 
	
		| Primula vialii Delavay ex Franch. | Accepted |  | TRO |  | 
	
		| Primula villosa Wulfen | Accepted |  | WCSP (in review) |  | 
	
		| Primula villosa var. daonensis Leyb. | Synonym |  | WCSP (in review) |  | 
	
		| Primula villosa subsp. infecta Kress | Unresolved |  | WCSP (in review) |  | 
	
		| Primula villosa subsp. irmingardis Kress | Unresolved |  | WCSP (in review) |  | 
	
		| Primula vilmoriniana Petitm. | Accepted |  | TRO |  | 
	
		| Primula vinciflora Franch. | Synonym |  | TRO |  | 
	
		| Primula vinosa Stapf | Unresolved |  | WCSP (in review) |  | 
	
		| Primula viola-grandis Farrer & Purdom | Synonym |  | TRO |  | 
	
		| Primula violacea W.W. Sm. & Kingdon-Ward | Accepted |  | TRO |  | 
	
		| Primula violaris W.W. Sm. & H.R. Fletcher | Accepted |  | TRO |  | 
	
		| Primula violodora Dunn | Synonym |  | TRO |  | 
	
		| Primula virginis H. Lév. | Accepted |  | TRO |  | 
	
		| Primula viscosa All. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Primula viscosa Vill. | Synonym |  | WCSP (in review) |  | 
	
		| Primula vitaliana L. | Synonym |  | WCSP (in review) |  | 
	
		| Primula vittata Bureau & Franch. | Synonym |  | TRO |  | 
	
		| Primula × vochinensis Gusmus . | Unresolved |  | WCSP (in review) |  | 
	
		| Primula vulgaris Huds. | Accepted |  | WCSP (in review) |  | 
	
		| Primula vulgaris subsp. abchasica Soó | Synonym |  | TRO |  | 
	
		| Primula vulgaris subsp. atlantica (Maire & Wilczek) Greuter & Burdet | Synonym |  | WCSP (in review) |  | 
	
		| Primula vulgaris subsp. balearica (Willk.) W.W.Sm. & Forrest | Accepted |  | WCSP (in review) |  | 
	
		| Primula vulgaris var. balearica Willk. | Synonym |  | WCSP (in review) |  | 
	
		| Primula vulgaris subsp. komarovii (Losinsk.) Fed. | Synonym |  | WCSP (in review) |  | 
	
		| Primula vulgaris subsp. rubra (Sm.) Arcang. | Accepted |  | WCSP (in review) |  | 
	
		| Primula vulgaris subsp. sibthorpii (Hoffmanns.) W.W.Sm. & Forrest | Synonym |  | WCSP (in review) |  | 
	
		| Primula vulgaris subsp. woronowii Fed. | Synonym |  | TRO |  | 
	
		| Primula waddellii Balf. f. & W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula wallichiana Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula walshii W. G. Craib | Accepted |  | TRO |  | 
	
		| Primula waltonii Watt ex Balf. f. | Accepted |  | TRO |  | 
	
		| Primula waltonii subsp. prionotes (Balf. f. & G. Watt) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula wangii F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula wardii Balf. f. | Synonym |  | TRO |  | 
	
		| Primula warei Stein | Unresolved |  | WCSP (in review) |  | 
	
		| Primula warshenewskiana B. Fedtsch. | Accepted |  | TRO |  | 
	
		| Primula warshenewskiana subsp. rhodantha (Balf. f. & W.W. Sm.) Wendelbo | Accepted |  | TRO |  | 
	
		| Primula watsonii Dunn | Accepted |  | TRO |  | 
	
		| Primula watsonii subsp. cyanantha (Balf. f. & Forrest) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula wattii King ex Watt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula weldeniana Dalla Torre & Sarnth. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula wenshanensis F.H. Chen & C.M. Hu | Accepted |  | TRO |  | 
	
		| Primula werringtonensis Forrest | Synonym |  | TRO |  | 
	
		| Primula × wettsteinii Wiedem. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula whitei W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula × widmerae Dalla Torre & Sarnth. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula widmerae (Pax) Landolt | Unresolved |  | WCSP (in review) |  | 
	
		| Primula wiesbaurii Pax | Unresolved |  | WCSP (in review) |  | 
	
		| Primula wigramiana W.W.Sm. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula willkommii Derganc | Unresolved |  | WCSP (in review) |  | 
	
		| Primula willmottiae Petitm. | Synonym |  | TRO |  | 
	
		| Primula wilsonii Dunn | Accepted |  | TRO |  | 
	
		| Primula winteri W.Watson | Unresolved |  | WCSP (in review) |  | 
	
		| Primula wollastonii Balf. f. | Accepted |  | TRO |  | 
	
		| Primula woodwardii Balf. f. | Accepted |  | TRO |  | 
	
		| Primula woonyoungiana W.P. Fang | Accepted |  | TRO |  | 
	
		| Primula woronowii Losinsk. | Accepted |  | TRO |  | 
	
		| Primula wulfenia Kuntze | Unresolved |  | WCSP (in review) |  | 
	
		| Primula wulfeniana Schott | Accepted |  | WCSP (in review) |  | 
	
		| Primula wulfeniana subsp. baumgarteniana (Degen & Moesz) Lüdi | Synonym |  | WCSP (in review) |  | 
	
		| Primula xanthobasis Fed. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula xanthopa Balf.f. & R.E.Cooper | Unresolved |  | WCSP (in review) |  | 
	
		| Primula yargongensis Petitm. | Synonym |  | TRO |  | 
	
		| Primula yargongensis var. liensis W.P. Fang | Synonym |  | TRO |  | 
	
		| Primula yesomontana Nakai & Kitag. | Unresolved |  | WCSP (in review) |  | 
	
		| Primula youngeriana W.W. Sm. | Accepted |  | TRO |  | 
	
		| Primula younghusbandiana Balf. f. | Synonym |  | TRO |  | 
	
		| Primula yuana F.H. Chen | Synonym |  | TRO |  | 
	
		| Primula yunnanensis Franch. | Accepted |  | TRO |  | 
	
		| Primula yunnanensis subsp. fragilis (Balf. f. & Kingdon-Ward) W.W. Sm. & Forrest | Synonym |  | TRO |  | 
	
		| Primula yuparensis Takeda | Unresolved |  | WCSP (in review) |  | 
	
		| Primula zahlbrukneri Vest | Unresolved |  | WCSP (in review) |  | 
	
		| Primula zambalensis Petitm. | Synonym |  | TRO |  | 
	
		| Primula zeylamica Charadze & Kapell. | Unresolved |  | TRO |  | 
	
		| Primula zeylanica Kharadze & Kapeller | Unresolved |  | WCSP (in review) |  |