| Viburnum acerifolium Gueldenst. ex Ledeb. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum acerifolium L. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum acerifolium Bong. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum acuminatum Wall. ex DC. | Synonym |  | TRO | 
	
		| Viburnum acutifolium Benth. | Accepted |  | TRO | 
	
		| Viburnum adenophorum W.W. Sm. | Synonym |  | TRO | 
	
		| Viburnum adenophyllum Wall. ex Voigt | Unresolved |  | WCSP (in review) | 
	
		| Viburnum affine Bush ex Rehder | Unresolved |  | WCSP (in review) | 
	
		| Viburnum ajugifolium H. Lév. | Synonym |  | TRO | 
	
		| Viburnum albopedunculatum Gilli | Unresolved |  | WCSP (in review) | 
	
		| Viburnum alnifolium Marshall | Accepted |  | TRO | 
	
		| Viburnum alpinum Macfad. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum alternifolium Zoll. & Moritzi | Unresolved |  | WCSP (in review) | 
	
		| Viburnum amatenangense Lundell | Unresolved |  | WCSP (in review) | 
	
		| Viburnum amblodes Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum americanum Mill. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum amplificatum J.Kern | Unresolved |  | WCSP (in review) | 
	
		| Viburnum amplifolium Rehder | Accepted |  | TRO | 
	
		| Viburnum amplissimum Satake | Unresolved |  | WCSP (in review) | 
	
		| Viburnum anabaptista Graebn. | Accepted |  | TRO | 
	
		| Viburnum anglicum Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum annamensis Fukuoka | Unresolved |  | WCSP (in review) | 
	
		| Viburnum antioquiense Killip & A.C.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum apiculatum Killip & Smith | Synonym |  | TRO | 
	
		| Viburnum aragonense Pau | Unresolved |  | WCSP (in review) | 
	
		| Viburnum arborescens Hemsl. | Synonym |  | TRO | 
	
		| Viburnum arboreum Britton | Unresolved |  | WCSP (in review) | 
	
		| Viburnum arboricola Hayata | Synonym |  | TRO | 
	
		| Viburnum arcuatum Kom. | Synonym |  | TRO | 
	
		| Viburnum ashei Bush | Unresolved |  | WCSP (in review) | 
	
		| Viburnum atrocyaneum C.B. Clarke | Accepted |  | TRO | 
	
		| Viburnum atrocyaneum subsp. atrocyaneum | Accepted |  | TRO | 
	
		| Viburnum atrocyaneum subsp. harryanum (Rehder) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum atrocyaneum f. harryanum (Rehder) P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum australe C.V.Morton | Unresolved |  | WCSP (in review) | 
	
		| Viburnum awabuki K. Koch | Synonym |  | TRO | 
	
		| Viburnum awafuki Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum awafusci Lindl. ex Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum axillare Triana | Unresolved |  | TRO | 
	
		| Viburnum ayavacense Kunth | Accepted |  | TRO | 
	
		| Viburnum barbigerum H.Lév. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum beccarii Gamble | Unresolved |  | WCSP (in review) | 
	
		| Viburnum betulifolium Batalin | Accepted |  | TRO | 
	
		| Viburnum betulifolium var. betulifolium | Accepted |  | TRO | 
	
		| Viburnum betulifolium var. flocculosum (Rehder) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum bitchiuense Makino | Unresolved |  | WCSP (in review) | 
	
		| Viburnum blandum C.V.Morton | Accepted |  | WCSP (in review) | 
	
		| Viburnum blandum var. vulcanicum C.V. Morton | Synonym |  | TRO | 
	
		| Viburnum bockii Graebn. | Synonym |  | TRO | 
	
		| Viburnum bodinieri H. Lév. | Synonym |  | TRO | 
	
		| Viburnum × bodnantense Aberc. ex Stearn | Unresolved |  | WCSP (in review) | 
	
		| Viburnum bolivianum Gand. | Synonym |  | TRO | 
	
		| Viburnum boninsimense Koidz. ex Nakai | Unresolved |  | WCSP (in review) | 
	
		| Viburnum botryoidum H. Lév. | Synonym |  | TRO | 
	
		| Viburnum brachyandrum Nakai | Unresolved |  | WCSP (in review) | 
	
		| Viburnum brachybotryum Hemsl. | Accepted |  | TRO | 
	
		| Viburnum brachybotryum var. tengyuehense W.W. Sm. | Synonym |  | TRO | 
	
		| Viburnum bracteatum Rehder | Unresolved |  | WCSP (in review) | 
	
		| Viburnum brevipes Rehder | Accepted |  | TRO | 
	
		| Viburnum brevitubum (P.S. Hsu) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum brunnescens Standl. & Steyerm. | Synonym |  | TRO | 
	
		| Viburnum buddleifolium C.H. Wright | Accepted |  | TRO | 
	
		| Viburnum buergeri Miq. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum burejaeticum Regel & Herd. | Accepted |  | TRO | 
	
		| Viburnum burejanum Herder | Synonym |  | TRO | 
	
		| Viburnum × burkwoodii auct. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum burmanicum (Rehder) C.Y. Wu | Accepted |  | TRO | 
	
		| Viburnum burmanicum var. burmanicum | Accepted |  | TRO | 
	
		| Viburnum bushii Ashe | Synonym |  | TRO | 
	
		| Viburnum calvum Rehder | Synonym |  | TRO | 
	
		| Viburnum calvum var. kwapiense Hand.-Mazz. | Synonym |  | TRO | 
	
		| Viburnum calvum var. puberulum C.K. Schneid. | Synonym |  | TRO | 
	
		| Viburnum canadense Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum canum Griff. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum capitatum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum capitellatum Wight & Arn. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum carlcephalum Burk. ex R. B. Pike | Unresolved |  | TRO | 
	
		| Viburnum carlesii Hemsl. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum carnosulum (W.W. Sm.) P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum carnosulum var. impressinervium P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum carolinianum Ashe | Unresolved |  | WCSP (in review) | 
	
		| Viburnum cassinoides L. | Synonym |  | TRO | 
	
		| Viburnum caudatum Greenm. | Accepted |  | TRO | 
	
		| Viburnum cavaleriei H. Lév. | Synonym |  | TRO | 
	
		| Viburnum ceanothoides C.H. Wright | Synonym |  | TRO | 
	
		| Viburnum chaffanjonii H. Lév. | Synonym |  | TRO | 
	
		| Viburnum chiapense Lundell | Synonym |  | TRO | 
	
		| Viburnum chinense Hook. & Arn. | Accepted |  | TRO | 
	
		| Viburnum chingii P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum chingii var. carnosulum (W.W. Sm.) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum chingii var. chingii | Accepted |  | TRO | 
	
		| Viburnum chingii var. impressinervium (P.S. Hsu) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum chingii var. patentiserratum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum chinshanense Graebn. | Accepted |  | TRO | 
	
		| Viburnum chunii P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum chunii subsp. chunii | Synonym |  | TRO | 
	
		| Viburnum chunii var. chunii | Accepted |  | TRO | 
	
		| Viburnum ciliatum Greenm. | Accepted |  | TRO | 
	
		| Viburnum cinnamomifolium Rehder | Accepted |  | TRO | 
	
		| Viburnum clemensae J.Kern | Unresolved |  | WCSP (in review) | 
	
		| Viburnum colebrookeanum Wall. ex DC. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum colombianum Graebn. | Unresolved |  | TRO | 
	
		| Viburnum congestum Rehder | Accepted |  | TRO | 
	
		| Viburnum conspectum C.V. Morton | Accepted |  | TRO | 
	
		| Viburnum cordifolium Wall. ex DC. | Synonym |  | TRO | 
	
		| Viburnum coriaceum Blume | Unresolved |  | WCSP (in review) | 
	
		| Viburnum cornifolium Killip & A.C.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum cornutidens Merr. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum corybosum (Mill.) Rehder | Unresolved |  | WCSP (in review) | 
	
		| Viburnum corybosum Urb. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum corylifolium Hook.f. & Thomson | Unresolved |  | WCSP (in review) | 
	
		| Viburnum corymbiflorum P.S. Hsu & S.C. Hsu | Accepted |  | TRO | 
	
		| Viburnum corymbiflorum var. longipedunculatum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum corymbosum Rehder | Unresolved |  | WCSP (in review) | 
	
		| Viburnum corymbosum Urb. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum costaricanum (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum cotinifolium D. Don | Accepted |  | TRO | 
	
		| Viburnum crassifolium Rehder | Synonym |  | TRO | 
	
		| Viburnum crenatum McAtee | Unresolved |  | WCSP (in review) | 
	
		| Viburnum cubense Urb. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum cuneifolium Bartlett | Synonym |  | TRO | 
	
		| Viburnum cuspidatum Thunb. | Synonym |  | TRO | 
	
		| Viburnum cuttingianum Merr. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum cylindricum Buch.-Ham. ex D. Don | Accepted |  | TRO | 
	
		| Viburnum cylindricum var. crassifolium (Rehder) C.K. Schneid. | Synonym |  | TRO | 
	
		| Viburnum dahuricum Pall. ex Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum dalzielii W.W. Sm. | Accepted |  | TRO | 
	
		| Viburnum dasyanthum Rehder | Accepted |  | TRO | 
	
		| Viburnum davidii Franch. | Accepted |  | TRO | 
	
		| Viburnum davuricum Maxim. | Synonym |  | TRO | 
	
		| Viburnum davuricum Pall. | Synonym |  | TRO | 
	
		| Viburnum deamii Bush | Unresolved |  | WCSP (in review) | 
	
		| Viburnum delicatulum Vatke | Unresolved |  | WCSP (in review) | 
	
		| Viburnum deltoideum M.E. Jones | Synonym |  | TRO | 
	
		| Viburnum demetrionis W.Deane & B.L.Rob. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum densiflorum Chapm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum densum Benth. | Synonym |  | TRO | 
	
		| Viburnum dentatum L. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum dentatum Thunb. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum dentatum var. deamii (Rehder) Fernald | Unresolved |  | TRO | 
	
		| Viburnum dentatum var. indianense (Rehder) Gleason | Unresolved |  | TRO | 
	
		| Viburnum dentatum var. longifolium Dippel | Synonym |  | TRO | 
	
		| Viburnum dentatum var. pubescens Aiton | Synonym |  | TRO | 
	
		| Viburnum dentatum var. scabrellum Torr. & A. Gray | Synonym |  | TRO | 
	
		| Viburnum dentatum var. semitomentosum Michx. | Synonym |  | TRO | 
	
		| Viburnum dentatum var. venosum (Britton) Gleason | Unresolved |  | TRO | 
	
		| Viburnum detractum Standl. & Steyerm. | Synonym |  | TRO | 
	
		| Viburnum dichotomum Buch.-Ham. ex D.Don | Unresolved |  | WCSP (in review) | 
	
		| Viburnum dielsii Graebn. | Synonym |  | TRO | 
	
		| Viburnum dielsii H.Lév. [Illegitimate] | Synonym |  | WCSP | 
	
		| Viburnum dilatatum Thunb. | Accepted |  | TRO | 
	
		| Viburnum dilatatum var. dilatatum | Accepted |  | TRO | 
	
		| Viburnum dilatatum var. fulvotomentosum (P.S. Hsu) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum dilatatum var. macrophyllum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum discolor Benth. | Accepted |  | TRO | 
	
		| Viburnum discolor f. integrum C.V. Morton | Synonym |  | TRO | 
	
		| Viburnum discolor var. subcordatum C.V. Morton | Synonym |  | TRO | 
	
		| Viburnum disjunctum C.V.Morton | Unresolved |  | WCSP (in review) | 
	
		| Viburnum disjunctum var. mendax (C.V. Morton) D.N. Gibson | Unresolved |  | TRO | 
	
		| Viburnum dispar C.V.Morton | Unresolved |  | WCSP (in review) | 
	
		| Viburnum divaricatum Benth. | Accepted |  | TRO | 
	
		| Viburnum dubium Steud. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum dunnianum H.Lév. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum ebulus Martinovský | Unresolved |  | WCSP (in review) | 
	
		| Viburnum edule Raf. | Accepted |  | WCSP (in review) | 
	
		| Viburnum elatum Benth. | Accepted |  | TRO | 
	
		| Viburnum elatum var. cuneifolium (Bartlett) C.V. Morton | Accepted |  | TRO | 
	
		| Viburnum elegans Jungh. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum ellipticum Hook. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum eradiatum House | Unresolved |  | WCSP (in review) | 
	
		| Viburnum erosum Thunb. | Accepted |  | TRO | 
	
		| Viburnum erosum var. atratocarpum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum erosum var. erosum | Accepted |  | TRO | 
	
		| Viburnum erosum var. formosanum Hance | Synonym |  | TRO | 
	
		| Viburnum erosum var. hirsutum Pamp. | Synonym |  | TRO | 
	
		| Viburnum erosum var. ichangense Hemsl. | Synonym |  | TRO | 
	
		| Viburnum erosum subsp. ichangense (Hemsl.) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum erosum var. taquetii (H. Lév.) Rehder | Accepted |  | TRO | 
	
		| Viburnum erosum f. taquetii (H. Lév.) Sugimoto | Synonym |  | TRO | 
	
		| Viburnum erubescens Wall. | Accepted |  | TRO | 
	
		| Viburnum erubescens var. brevitubum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum erubescens var. burmanicum Rehder | Synonym |  | TRO | 
	
		| Viburnum erubescens var. carnosulum W.W. Sm. | Synonym |  | TRO | 
	
		| Viburnum erubescens var. erubescens | Accepted |  | TRO | 
	
		| Viburnum erubescens var. limitaneum W.W. Sm. | Synonym |  | TRO | 
	
		| Viburnum erubescens var. neurophyllum Hand.-Mazz. | Synonym |  | TRO | 
	
		| Viburnum erubescens var. prattii (Graebn.) Rehder | Accepted |  | TRO | 
	
		| Viburnum euryphyllum Standl. & Steyerm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum fallax Graebn. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum farinosum Stokes | Unresolved |  | WCSP (in review) | 
	
		| Viburnum farreri Stearn | Accepted |  | TRO | 
	
		| Viburnum ferrugineum (Torr. & A. Gray) Small | Accepted |  | TRO | 
	
		| Viburnum ferrugineum (Oerst.) Donn. Sm. | Unresolved |  | TRO | 
	
		| Viburnum flavescens W.W. Sm. | Accepted |  | TRO | 
	
		| Viburnum floccosum Killip & A.C.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum floribundum Merr. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum foetens Decne. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum foetidum Wall. | Accepted |  | TRO | 
	
		| Viburnum foetidum var. ceanothoides (C.H. Wright) Hand.-Mazz. | Accepted |  | TRO | 
	
		| Viburnum foetidum var. integerifolium (Hayata) Kaneh. & Hatus. | Synonym |  | TRO | 
	
		| Viburnum foetidum f. integrifolium (Hayata) Nakai | Synonym |  | TRO | 
	
		| Viburnum foetidum var. malacotrichum Hand.-Mazz. | Synonym |  | TRO | 
	
		| Viburnum foetidum var. penninervium Hand.-Mazz. | Synonym |  | TRO | 
	
		| Viburnum foetidum var. rectangulum (Graebn.) Rehder | Accepted |  | TRO | 
	
		| Viburnum foochowense W.W. Sm. | Synonym |  | TRO | 
	
		| Viburnum forbesii Fawc. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum fordiae Hance | Accepted |  | TRO | 
	
		| Viburnum formosanum Hayata | Accepted |  | TRO | 
	
		| Viburnum formosanum subsp. formosanum | Accepted |  | TRO | 
	
		| Viburnum formosanum f. morrisonense Nakai | Synonym |  | TRO | 
	
		| Viburnum formosanum f. mushanense (Hayata) Nakai | Synonym |  | TRO | 
	
		| Viburnum fortunei Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum fragile Killip & A.C.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum fragrans Bunge | Synonym |  | TRO | 
	
		| Viburnum fulvotomentosum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum fur Graebn. | Synonym |  | TRO | 
	
		| Viburnum furcatum Blume ex Maxim. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum fuscum (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum fusiforme Nakai | Unresolved |  | WCSP (in review) | 
	
		| Viburnum garrettii Craib | Unresolved |  | WCSP (in review) | 
	
		| Viburnum giraldii Graebn. | Synonym |  | TRO | 
	
		| Viburnum glaberrimum Merr. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum glabratum Kunth | Accepted |  | WCSP (in review) | 
	
		| Viburnum glabratum var. sphaerocarpum Griseb. | Synonym |  | TRO | 
	
		| Viburnum glabrum Willd. ex Schult. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum glandulosum Salisb. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum glaucum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum glomeratum Maxim. | Accepted |  | TRO | 
	
		| Viburnum glomeratum subsp. glomeratum | Accepted |  | TRO | 
	
		| Viburnum glomeratum subsp. magnificum (P.S. Hsu) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum glomeratum subsp. rotundifolium (P.S. Hsu) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum goudotii Killip & A.C. Sm. | Accepted |  | TRO | 
	
		| Viburnum grandiflorum Wall. ex DC. | Accepted |  | TRO | 
	
		| Viburnum grandifolium Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum griffithianum C.B.Clarke | Unresolved |  | WCSP (in review) | 
	
		| Viburnum guatemalense Gand. | Synonym |  | WCSP (in review) | 
	
		| Viburnum hainanense Merr. & Chun | Accepted |  | TRO | 
	
		| Viburnum hainanense f. xanthocarpum (Rehder) Chun & F.C. How | Accepted |  | TRO | 
	
		| Viburnum hallii (Oerst.) Killip & A.C. Sm. | Accepted |  | TRO | 
	
		| Viburnum hanceanum Maxim. | Accepted |  | TRO | 
	
		| Viburnum harryanum Rehder | Synonym |  | TRO | 
	
		| Viburnum hartwegii Benth. | Accepted |  | WCSP (in review) | 
	
		| Viburnum hasseltii Miq. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hebanthum Wight & Arn. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hebanthum Thwaites | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hengshanicum Tsiang | Accepted |  | TRO | 
	
		| Viburnum henryi Hemsl. | Accepted |  | TRO | 
	
		| Viburnum henryi x erubescens Rehder | Synonym |  | TRO | 
	
		| Viburnum hessei Koehne | Unresolved |  | WCSP (in review) | 
	
		| Viburnum heterophylum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum × hillieri Stearn | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hirsutum C.V.Morton | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hirtulum Rehder | Synonym |  | TRO | 
	
		| Viburnum hirtum Thunb. | Synonym |  | TRO | 
	
		| Viburnum hispidulum J.Kern | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hizenense (Hatus.) Hatus. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hondurense Standl. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hupehense Rehder | Accepted |  | TRO | 
	
		| Viburnum hupehense subsp. hupehense | Accepted |  | TRO | 
	
		| Viburnum hyemale Salisb. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum hypoleucum Rehder | Synonym |  | TRO | 
	
		| Viburnum ichangense Rehder | Synonym |  | TRO | 
	
		| Viburnum ichangense var. atratocarpum (P.S. Hsu) T. R. Dudley & S. C. Sun in B. M. Barthol. et al. | Unresolved |  | TRO | 
	
		| Viburnum incarum Graebn. | Accepted |  | TRO | 
	
		| Viburnum indianense (Rehder) McAtee | Unresolved |  | WCSP (in review) | 
	
		| Viburnum inopinatum Craib | Accepted |  | TRO | 
	
		| Viburnum integerrimum Wall. ex DC. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum integrifolium Hayata | Accepted |  | TRO | 
	
		| Viburnum involucratum Wall. ex DC. | Synonym |  | TRO | 
	
		| Viburnum irabutha Blume ex Hook.f. & Thomson | Unresolved |  | WCSP (in review) | 
	
		| Viburnum × jackii Rehder | Unresolved |  | WCSP (in review) | 
	
		| Viburnum jacquemontii Planch. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum jamesonii (Oerst.) Killip & A.C. Sm. | Accepted |  | TRO | 
	
		| Viburnum japonicum (Thunb.) C.K. Spreng. | Synonym |  | TRO | 
	
		| Viburnum jelskii Zahlbr. | Accepted |  | TRO | 
	
		| Viburnum jucundum C.V.Morton | Accepted |  | WCSP (in review) | 
	
		| Viburnum jucundum var. detractum (Standl. & Steyerm.) D.N. Gibson | Accepted |  | TRO | 
	
		| Viburnum × juddii Rehder | Unresolved |  | WCSP (in review) | 
	
		| Viburnum junghuhnii Miq. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum kanbok Siebold | Unresolved |  | WCSP (in review) | 
	
		| Viburnum kansuense Batalin | Accepted |  | TRO | 
	
		| Viburnum kerrii Geddes | Unresolved |  | WCSP (in review) | 
	
		| Viburnum keteleeri Carrière | Synonym |  | TRO | 
	
		| Viburnum keteleeri var. macrocephalum (Fortune) Carrière | Synonym |  | TRO | 
	
		| Viburnum × kiusianum Hatus. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum komarovii H. Lév. & Vaniot | Synonym |  | TRO | 
	
		| Viburnum koreanum Nakai | Accepted |  | TRO | 
	
		| Viburnum laevigatum Aiton | Unresolved |  | WCSP (in review) | 
	
		| Viburnum laevigatum Willd. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lanceolatum Hill | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lancifolium P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum lantana L. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lantana Wall. ex D.Don | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lantanoides Michx. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lantanoides Miq. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lasiophyllum Benth. | Accepted |  | TRO | 
	
		| Viburnum laterale Rehder | Accepted |  | TRO | 
	
		| Viburnum latifolium Schult. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum laurifolium K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Viburnum laurifolium Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lauriforme Lam. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lautum C.V.Morton | Accepted |  | WCSP (in review) | 
	
		| Viburnum laxum Elmer | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lehmannii Killip & A.C.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum leiocarpum P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum leiogynum P.S. Hsu | Unresolved |  | TRO | 
	
		| Viburnum lentaginum St.-Lag. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lentago L. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lentago Du Roi | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lentagoides Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lentum St.-Lag. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lepidotulum Merr. & Chun | Synonym |  | TRO | 
	
		| Viburnum leptophyllum Killip & A.C.Sm. | Synonym |  | WCSP (in review) | 
	
		| Viburnum leptophyllum f. venezuelense Killip & A.C. Sm. | Synonym |  | TRO | 
	
		| Viburnum liukiuense Nakai | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lobatum Lam. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lobophyllum Graebn. | Accepted |  | TRO | 
	
		| Viburnum lobophyllum var. flocculosum Rehder | Synonym |  | TRO | 
	
		| Viburnum loeseneri Graebn. | Accepted |  | TRO | 
	
		| Viburnum longifolium Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum longifolium Lodd. ex K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Viburnum longipedunculatum (P.S. Hsu) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum longiradiatum P.S. Hsu & S.W. Fan | Accepted |  | TRO | 
	
		| Viburnum longistamineum Ridl. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lucidum Mill. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum lutescens Blume | Accepted |  | TRO | 
	
		| Viburnum luzonicum Rolfe | Accepted |  | TRO | 
	
		| Viburnum luzonicum var. formosanum Rehder | Synonym |  | TRO | 
	
		| Viburnum luzonicum f. mushanense (Hayata) Kaneh. & Sadaki ex Sadaki | Synonym |  | TRO | 
	
		| Viburnum luzonicum f. subglabrum Kaneh. & Sasaki ex Sasaki | Synonym |  | TRO | 
	
		| Viburnum macdougallii Matuda | Unresolved |  | WCSP (in review) | 
	
		| Viburnum macrocephalum Fortune | Accepted |  | TRO | 
	
		| Viburnum macrocephalum f. keteleeri (Carrière) Rehder | Synonym |  | TRO | 
	
		| Viburnum macrocephalum var. keteleeri (Carrière) G. Nicholson | Synonym |  | TRO | 
	
		| Viburnum macrocephalum var. sterile Dippel | Synonym |  | TRO | 
	
		| Viburnum macrodon Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum macrophyllum Thunb. | Synonym |  | WCSP (in review) | 
	
		| Viburnum maculatum Pant. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum mairei H. Lév. | Synonym |  | TRO | 
	
		| Viburnum martinii H. Lév. | Synonym |  | TRO | 
	
		| Viburnum mathewsii (Oerst.) Killip & Smith | Accepted |  | TRO | 
	
		| Viburnum matsudai Hayata | Synonym |  | TRO | 
	
		| Viburnum matudae MORTON | Synonym |  | TRO | 
	
		| Viburnum medium Steud. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum meiothyrsum Diels | Accepted |  | TRO | 
	
		| Viburnum melanocarpum Hsu in Chen et al. | Accepted |  | TRO | 
	
		| Viburnum melanophyllum Hayata | Synonym |  | TRO | 
	
		| Viburnum membranaceum (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum mendax C.V. Morton | Synonym |  | TRO | 
	
		| Viburnum mexicanum Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum meyer-waldeckii Loes. | Synonym |  | TRO | 
	
		| Viburnum microcarpum Schltdl. & Cham. | Accepted |  | TRO | 
	
		| Viburnum microcarpum var. evanescens Greenm. | Synonym |  | TRO | 
	
		| Viburnum microphyllum (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum molinae Lundell | Unresolved |  | WCSP (in review) | 
	
		| Viburnum molle Michx. | Accepted |  | WCSP (in review) | 
	
		| Viburnum mongolicum (Pall.) Rehder | Accepted |  | TRO | 
	
		| Viburnum monogynum Blume | Unresolved |  | WCSP (in review) | 
	
		| Viburnum montanum Lundell | Synonym |  | TRO | 
	
		| Viburnum morrisonense Hayata | Accepted |  | TRO | 
	
		| Viburnum mortonianum Standl. & Steyerm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum mullaha Buch.-Ham. ex D. Don | Accepted |  | TRO | 
	
		| Viburnum mullaha var. glabrescens (C.B. Clarke) Kitam. | Accepted |  | TRO | 
	
		| Viburnum mullaha var. mullaha | Accepted |  | TRO | 
	
		| Viburnum × multratum K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Viburnum mushaense Hayata | Synonym |  | TRO | 
	
		| Viburnum nanum Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum nashii Small | Unresolved |  | WCSP (in review) | 
	
		| Viburnum nepalense Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum nervosum D. Don | Accepted |  | TRO | 
	
		| Viburnum nervosum Hook. & Arn. | Synonym |  | TRO | 
	
		| Viburnum nitidum Aiton | Unresolved |  | WCSP (in review) | 
	
		| Viburnum nudum L. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum nudum var. cassinoides (L.) Torr. & A. Gray | Unresolved |  | TRO | 
	
		| Viburnum obliquatum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum oblongum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum oblongum var. polyneurum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum oblongum var. tengyuehense (W.W. Sm.) P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum obovatum Ruiz & Pav. | Synonym |  | TRO | 
	
		| Viburnum obtusatum D.N.Gibson | Unresolved |  | WCSP (in review) | 
	
		| Viburnum odoratissimum Ker Gawl. | Accepted |  | TRO | 
	
		| Viburnum odoratissimum var. arboricola (Hayata) Yamam. | Synonym |  | TRO | 
	
		| Viburnum odoratissimum var. awabuki (K. Koch) Zabel ex Rumpler | Accepted |  | TRO | 
	
		| Viburnum odoratissimum var. conspersum W.W. Sm. | Synonym |  | TRO | 
	
		| Viburnum odoratissimum var. odoratissimum | Accepted |  | TRO | 
	
		| Viburnum odoratissimum var. sessiliflorum (Geddes) Fukuoka | Accepted |  | TRO | 
	
		| Viburnum oleifolium Tausch | Unresolved |  | WCSP (in review) | 
	
		| Viburnum oliganthum Batalin | Accepted |  | TRO | 
	
		| Viburnum omeiense P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum optatum C.V. Morton | Synonym |  | TRO | 
	
		| Viburnum optatum var. vagum C.V. Morton | Synonym |  | TRO | 
	
		| Viburnum opuloides Muhl. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum opulus L. | Accepted |  | TRO | 
	
		| Viburnum opulus var. calvescens (Rehder) H. Hara | Accepted |  | TRO | 
	
		| Viburnum opulus f. puberulum (Kom.) Sugimoto | Synonym |  | TRO | 
	
		| Viburnum opulus var. sargentii (Koehne) Takeda | Synonym |  | TRO | 
	
		| Viburnum opulus subsp. trilobum (Marshall) R.T. Clausen | Accepted |  | TRO | 
	
		| Viburnum orientale Pall. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum ovatifolium Rehder | Accepted |  | TRO | 
	
		| Viburnum oxycoccos Pursh. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum ozarkense Ashe | Unresolved |  | WCSP (in review) | 
	
		| Viburnum pallidum Franch. | Synonym |  | TRO | 
	
		| Viburnum palustre Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum parviflorum M.Martens & Galeotti | Unresolved |  | WCSP (in review) | 
	
		| Viburnum parvifolium Hayata | Accepted |  | TRO | 
	
		| Viburnum parvifolium W.W. Sm. | Synonym |  | TRO | 
	
		| Viburnum parvilimbum Merr. | Synonym |  | TRO | 
	
		| Viburnum pastasanum Diels | Unresolved |  | WCSP (in review) | 
	
		| Viburnum pauciflorum Bach.Pyl. ex Torr. & A.Gray | Unresolved |  | WCSP (in review) | 
	
		| Viburnum pauciflorum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum peruvianum Poepp. | Accepted |  | TRO | 
	
		| Viburnum peruvianum (J.F. Macbr.) J.F. Macbr. | Synonym |  | TRO | 
	
		| Viburnum phlebotrichum Siebold & Zucc. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum pichinchense Benth. | Accepted |  | TRO | 
	
		| Viburnum pinfaense H. Lév. | Synonym |  | TRO | 
	
		| Viburnum pinnina Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum platyphyllum Merr. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum plicatum Thunb. | Accepted |  | TRO | 
	
		| Viburnum plicatum var. plenum Miq. | Synonym |  | TRO | 
	
		| Viburnum plicatum var. plicatum | Accepted |  | TRO | 
	
		| Viburnum plicatum var. tomentosum Miq. | Accepted |  | TRO | 
	
		| Viburnum plicatum f. tomentosum (Miq.) Rehder | Synonym |  | TRO | 
	
		| Viburnum polycarpum Wall. ex DC. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum prattii Graebn. | Synonym |  | TRO | 
	
		| Viburnum premnaceum Wall. ex DC. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum primina Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum propinquum Hemsl. | Accepted |  | TRO | 
	
		| Viburnum prunifolium L. | Accepted |  | TRO | 
	
		| Viburnum prunifolium var. bushii (Ashe) E.J. Palmer & Steyerm. | Accepted |  | TRO | 
	
		| Viburnum prunifolium var. ferrugineum Torr. & A. Gray | Synonym |  | TRO | 
	
		| Viburnum pubescens (Aiton) Pursh | Accepted |  | TRO | 
	
		| Viburnum pubescens var. canbyi (Rehder) S.F. Blake | Accepted |  | TRO | 
	
		| Viburnum pubescens var. deamii Rehder | Synonym |  | TRO | 
	
		| Viburnum pubescens var. indianense Rehder | Synonym |  | TRO | 
	
		| Viburnum pubescens var. longifolium (Dippel) S.F. Blake | Accepted |  | TRO | 
	
		| Viburnum pubigerum Wight & Arn. | Synonym |  | TRO | 
	
		| Viburnum pubinerve Blume ex Miq. | Synonym |  | TRO | 
	
		| Viburnum pubinerve f. calvescens (Rehder) Nakai | Synonym |  | TRO | 
	
		| Viburnum pubinerve f. puberulum (Kom.) Nakai | Synonym |  | TRO | 
	
		| Viburnum punctatum Buch.-Ham. ex D. Don | Accepted |  | TRO | 
	
		| Viburnum punctatum var. lepidotulum (Merr. & Chun) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum punctatum var. punctatum | Accepted |  | TRO | 
	
		| Viburnum punicifolium Desf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum pyramidatum Rehder | Accepted |  | TRO | 
	
		| Viburnum pyrifolium Poir. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum pyrifolium Pursh | Unresolved |  | WCSP (in review) | 
	
		| Viburnum queremalense Cuatrec. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rafinesquianum Schult. | Accepted |  | TRO | 
	
		| Viburnum recognitum Fernald | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rectangulare P. Graebn. ex Hayata | Synonym |  | TRO | 
	
		| Viburnum rectangulatum Graebn. | Synonym |  | TRO | 
	
		| Viburnum repandum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum reticulatum (Ruiz & Pav. ex Oerst.) Killip | Unresolved |  | TRO | 
	
		| Viburnum reticulatum Ruiz & Pav. | Accepted |  | TRO | 
	
		| Viburnum retusum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rhombifolium (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum × rhytidophylloides Suringar | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rhytidophyllum Hemsl. | Accepted |  | TRO | 
	
		| Viburnum rigidum Vent. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum roraimense Killip & A.C.Sm. | Synonym |  | WCSP (in review) | 
	
		| Viburnum rosaceum Steud. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rosthornii Graebn. | Synonym |  | TRO | 
	
		| Viburnum rosthornii var. xerocarpa Graebn. | Synonym |  | TRO | 
	
		| Viburnum rotundifolium Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rufidulum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rufotomentosum Small | Unresolved |  | WCSP (in review) | 
	
		| Viburnum rugosum Pers. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sambucinum Reinw. ex Blume | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sandankwa Hassk. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sargentii Koehne | Accepted |  | WCSP (in review) | 
	
		| Viburnum sargentii var. calvescens Rehder | Synonym |  | TRO | 
	
		| Viburnum sargentii f. calvescens (Rehder) Rehder | Synonym |  | TRO | 
	
		| Viburnum sargentii f. glabra Kom. | Synonym |  | TRO | 
	
		| Viburnum sargentii f. puberula Kom. | Synonym |  | TRO | 
	
		| Viburnum sargentii var. puberulum (Kom.) Kitag. | Synonym |  | TRO | 
	
		| Viburnum scabrellum (Torr. & A. Gray) Chapm. | Accepted |  | TRO | 
	
		| Viburnum scandens L. f. | Synonym |  | TRO | 
	
		| Viburnum schensianum Maxim. | Accepted |  | TRO | 
	
		| Viburnum schensianum subsp. schensianum | Accepted |  | TRO | 
	
		| Viburnum schneiderianum Hand.-Mazz. | Synonym |  | TRO | 
	
		| Viburnum seemanii f. bolivianum (Gand.) Killip & A.C. Sm. | Unresolved |  | TRO | 
	
		| Viburnum seemenii Graebn. | Accepted |  | TRO | 
	
		| Viburnum semitomentosum (Michx.) Rehder | Accepted |  | TRO | 
	
		| Viburnum sempervirens K. Koch | Accepted |  | TRO | 
	
		| Viburnum sempervirens var. sempervirens | Accepted |  | TRO | 
	
		| Viburnum sempervirens var. trichophorum Hand.-Mazz. | Accepted |  | TRO | 
	
		| Viburnum serratum Thunb. | Synonym |  | TRO | 
	
		| Viburnum sessiliflorum Geddes | Synonym |  | TRO | 
	
		| Viburnum setigerum Hance | Accepted |  | TRO | 
	
		| Viburnum setigerum var. setigerum | Accepted |  | TRO | 
	
		| Viburnum shweliense W.W. Sm. | Accepted |  | TRO | 
	
		| Viburnum sibiricum Nois. ex Steud. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sieboldii Miq. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sikokianum Koidz. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum siltepecanum Lundell | Unresolved |  | WCSP (in review) | 
	
		| Viburnum simonsii Hook.f. & Thomson | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sinensis Zeyh. ex Colla | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sinuatum Merr. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum smithianum H.L. Li | Synonym |  | TRO | 
	
		| Viburnum smithii F.P. Metcalf | Synonym |  | TRO | 
	
		| Viburnum sphaerocarpum Y.C.Liu & C.H.Ou | Unresolved |  | WCSP (in review) | 
	
		| Viburnum spruceanum Rusby | Unresolved |  | WCSP (in review) | 
	
		| Viburnum squamatum Muhl. ex Willd. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum squamulosum P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum stapfianum H. Lév. | Synonym |  | TRO | 
	
		| Viburnum stellato Pol. | Unresolved |  | TRO | 
	
		| Viburnum stellato-pilosum Pol. | Synonym |  | TRO | 
	
		| Viburnum stellatotomentosum (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum stellatum (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum stellulatum Wall. | Synonym |  | TRO | 
	
		| Viburnum stellulatum var. glabrescens C.B. Clarke | Synonym |  | TRO | 
	
		| Viburnum stenocalyx (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum strictum Link | Unresolved |  | WCSP (in review) | 
	
		| Viburnum strictum Sweet | Unresolved |  | WCSP (in review) | 
	
		| Viburnum strigosum Regel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum subalpinum Hand.-Mazz. | Accepted |  | TRO | 
	
		| Viburnum subalpinum var. limitaneum (W.W. Sm.) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum subcordatum (Trel.) Rivas Mart., Lousã, Fern.Prieto, E.Días, J.C.Costa & C.Aguiar | Unresolved |  | WCSP (in review) | 
	
		| Viburnum subglabrum Hayata | Synonym |  | TRO | 
	
		| Viburnum subpubescens Lundell | Unresolved |  | WCSP (in review) | 
	
		| Viburnum subsessile Killip & A.C.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sulcatum (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum sumatranum Miq. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sundaicum Miq. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum suratense Killip & A.C.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum suspensum Lindl. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum suspensum Dippel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum sympodiale Graebn. | Accepted |  | TRO | 
	
		| Viburnum tacanense Lundell | Unresolved |  | WCSP (in review) | 
	
		| Viburnum taihasense Hayata | Synonym |  | TRO | 
	
		| Viburnum taitoense Hayata | Accepted |  | TRO | 
	
		| Viburnum taiwanianum Hayata | Synonym |  | TRO | 
	
		| Viburnum taquetii H. Lév. | Synonym |  | TRO | 
	
		| Viburnum tashiroi Nakai | Unresolved |  | WCSP (in review) | 
	
		| Viburnum tengyuehense (W.W. Sm.) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum tengyuehense var. polyneurum (P.S. Hsu) P.S. Hsu | Accepted |  | TRO | 
	
		| Viburnum tengyuehense var. tengyuehense | Accepted |  | TRO | 
	
		| Viburnum ternatum Rehder | Accepted |  | TRO | 
	
		| Viburnum thaiyongense W.W. Sm. | Accepted |  | TRO | 
	
		| Viburnum theiferum Rehder | Synonym |  | TRO | 
	
		| Viburnum thibeticum C.Y.Wu & Y.F.Huang | Unresolved |  | WCSP (in review) | 
	
		| Viburnum tiliifolium (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum tinoides L.f. | Accepted |  | WCSP (in review) | 
	
		| Viburnum tinoides Kunth | Unresolved |  | TRO | 
	
		| Viburnum tinoides var. roraimense (Killip & A.C.Sm.) Steyerm. | Accepted |  | WCSP (in review) | 
	
		| Viburnum tinoides var. venezuelense (Killip & A.C.Sm.) Steyerm. | Accepted |  | WCSP (in review) | 
	
		| Viburnum tinoides f. venezuelense Killip & A.C.Sm. | Synonym |  | WCSP (in review) | 
	
		| Viburnum tinus L. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum tomentosum Thunb. | Synonym |  | TRO | 
	
		| Viburnum tomentosum f. plenum (Miq.) Rehder | Synonym |  | TRO | 
	
		| Viburnum tomentosum var. plicatum (Thunb.) Maxim. | Synonym |  | TRO | 
	
		| Viburnum tomentosum f. sterile K. Koch | Synonym |  | TRO | 
	
		| Viburnum toronis Killip & A.C. Sm. | Accepted |  | TRO | 
	
		| Viburnum touchanense H. Lév. | Synonym |  | TRO | 
	
		| Viburnum trabeculosum C.Y. Wu | Accepted |  | TRO | 
	
		| Viburnum tricostatum C.E.C.Fisch. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum tridentatum Killip & Smith | Accepted |  | TRO | 
	
		| Viburnum trileasei Gand. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum trilobum Marshall | Synonym |  | TRO | 
	
		| Viburnum triphyllum Benth. | Accepted |  | TRO | 
	
		| Viburnum triphyllum f. macrophyllum (Oerst.) Killip & A.C. Sm. | Accepted |  | TRO | 
	
		| Viburnum triplinerve Hand.-Mazz. | Accepted |  | TRO | 
	
		| Viburnum tsangii Rehder | Synonym |  | TRO | 
	
		| Viburnum tsangii f. xanthocarpum Rehder | Synonym |  | TRO | 
	
		| Viburnum tubulosum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum undulatum (Oerst.) Killip & A.C.Sm. | Accepted |  | WCSP (in review) | 
	
		| Viburnum urbanii Graebn. | Accepted |  | TRO | 
	
		| Viburnum urceolatum Siebold & Zucc. | Accepted |  | TRO | 
	
		| Viburnum utile Hemsl. | Accepted |  | TRO | 
	
		| Viburnum utile var. elaegnifolium Rehder | Synonym |  | TRO | 
	
		| Viburnum utile var. minor Pamp. | Synonym |  | TRO | 
	
		| Viburnum valerianicum Elmer | Unresolved |  | WCSP (in review) | 
	
		| Viburnum veitchii C.H. Wright | Synonym |  | TRO | 
	
		| Viburnum veitchii subsp. magnificum P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum veitchii subsp. rotundifolium P.S. Hsu | Synonym |  | TRO | 
	
		| Viburnum venosum Britton | Synonym |  | TRO | 
	
		| Viburnum venosum var. canbyi Rehder | Synonym |  | TRO | 
	
		| Viburnum venosum var. longifolium (Dippel) Rehder | Synonym |  | TRO | 
	
		| Viburnum venulosum Benth. | Synonym |  | TRO | 
	
		| Viburnum venustum C.V. Morton | Accepted |  | TRO | 
	
		| Viburnum vernicosum Gibbs | Unresolved |  | WCSP (in review) | 
	
		| Viburnum versatile R.H. Miao, W.B. Liao & Q.Y. Sun | Accepted |  | TRO | 
	
		| Viburnum × vetteri Zabel | Unresolved |  | WCSP (in review) | 
	
		| Viburnum villosifolium Hayata | Synonym |  | TRO | 
	
		| Viburnum villosum Raf. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum villosum Sw. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum virens Thunb. | Synonym |  | TRO | 
	
		| Viburnum viride A.Kern. ex Degen | Unresolved |  | WCSP (in review) | 
	
		| Viburnum wardii W.W.Sm. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum weberbaueri Graebn. | Synonym |  | TRO | 
	
		| Viburnum wendlandii (Oerst.) Hemsl. | Accepted |  | TRO | 
	
		| Viburnum wightianum Wall. | Synonym |  | TRO | 
	
		| Viburnum willeanum Graebn. | Synonym |  | TRO | 
	
		| Viburnum wilsonii Rehder | Synonym |  | TRO | 
	
		| Viburnum wilsonii var. adenophorum (W.W. Sm.) Hand.-Mazz. | Synonym |  | TRO | 
	
		| Viburnum witteanum Graebn. | Accepted |  | TRO | 
	
		| Viburnum wrightii Miq. | Accepted |  | TRO | 
	
		| Viburnum wurdackii T.R. Dudley | Accepted |  | TRO | 
	
		| Viburnum xanthoneurum Diels | Unresolved |  | WCSP (in review) | 
	
		| Viburnum yamadai Barlett & Yamam. | Synonym |  | TRO | 
	
		| Viburnum yunnanense Rehder | Accepted |  | TRO | 
	
		| Viburnum zambalense Elmer | Unresolved |  | WCSP (in review) | 
	
		| Viburnum zeylanicum Gardner ex Oerst. | Unresolved |  | WCSP (in review) | 
	
		| Viburnum zippelii Miq. | Unresolved |  | WCSP (in review) |