| Rumex × abortivus Ruhmer | Unresolved |  | WCSP (in review) | 
	
		| Rumex abyssinicus Jacq. | Accepted |  | WCSP (in review) | 
	
		| Rumex × accessorius Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex acetosa L. | Accepted |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. alpestris (Jacq.) Á.Löve | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa var. alpinus Boiss. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. ambiguus (Gren.) Á. Löve | Synonym |  | TRO | 
	
		| Rumex acetosa subsp. amplexicaulis (Lapeyr.) O.Bolòs & Vigo | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa var. auriculatus Wallr. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. auriculatus (Wallr.) Blytt & O.C.Dahl | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. biformis (Lange) Valdés Berm. & Castrov. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa var. crispus Čelak. | Synonym |  | TRO | 
	
		| Rumex acetosa subsp. fontanopaludosus (Kalela) Hyl. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa var. fontanopaludosus (Kalela) Hyl. | Synonym |  | TRO | 
	
		| Rumex acetosa var. haplorhizus (Czern. ex Turcz.) Trautv. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. hibernicus (Rech.f.) Akeroyd | Accepted |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. islandicus (Á. Löve & D. Löve) Ö. Nilsson | Synonym |  | TRO | 
	
		| Rumex acetosa subsp. lapponicus Hiitonen | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. pseudoxyria Tolm. | Synonym |  | TRO | 
	
		| Rumex acetosa subsp. thyrsiflorus (Fingerh.) Hayek | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosa subsp. thyrsiflorus (Fingerh.) Čelak. | Synonym |  | TRO | 
	
		| Rumex acetosa subsp. vinealis (Timb.-Lagr. & Jeanb.) O.Bolòs & Vigo | Accepted |  | WCSP (in review) | 
	
		| Rumex acetosella L. | Accepted |  | WCSP (in review) | 
	
		| Rumex acetosella subsp. acetoselloides (Balansa) Den Nijs | Accepted |  | WCSP (in review) | 
	
		| Rumex acetosella subsp. angiocarpus (Murb.) Murb. | Accepted |  | WCSP (in review) | 
	
		| Rumex acetosella var. australis Willk. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosella var. graminifolius (Georgi ex Lamb.) Schrenk | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosella var. multifidus (L.) DC. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosella subsp. pyrenaicus (Pourr. ex Lapeyr.) Akeroyd | Accepted |  | WCSP (in review) | 
	
		| Rumex acetosella var. pyrenaicus (Pourr. ex Lapeyr.) Timbal-Lagrave | Synonym |  | TRO | 
	
		| Rumex acetosella var. subspathulatus Trautv. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosella var. tenuifolius Wallr. | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosella subsp. tenuifolius O. Schwarz | Synonym |  | TRO | 
	
		| Rumex acetosella var. vulgaris W.D.J.Koch | Synonym |  | WCSP (in review) | 
	
		| Rumex × acetoselliformis Murr | Unresolved |  | WCSP (in review) | 
	
		| Rumex acetoselloides Balansa | Synonym |  | WCSP (in review) | 
	
		| Rumex acetosus St.-Lag. | Unresolved |  | WCSP (in review) | 
	
		| Rumex acidus Salisb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex acmophorus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aculeatus L. | Unresolved |  | WCSP (in review) | 
	
		| Rumex acuminatus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex acutus Sm. | Synonym |  | TRO | 
	
		| Rumex × adscendens Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex adulterinus Wallr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × advenigena Danser & Kloos | Unresolved |  | WCSP (in review) | 
	
		| Rumex aegyptiacus Balb. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aegyptiacus L. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aegyptiacus M.Bieb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aegyptius L. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aeroplaniformis Eig | Unresolved |  | WCSP (in review) | 
	
		| Rumex aetnensis C.Presl | Synonym |  | WCSP (in review) | 
	
		| Rumex afer Savi | Unresolved |  | WCSP (in review) | 
	
		| Rumex affinis Kunth | Unresolved |  | TRO | 
	
		| Rumex afromontanus T.C.E.Fr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex agrestis (Fr.) Schur [Illegitimate] | Synonym |  | WCSP (in review) | 
	
		| Rumex × akeroydii Rumsey | Unresolved |  | WCSP (in review) | 
	
		| Rumex albescens Hillebr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex alcockii Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex alexandrinus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × alexidis B.Boivin | Unresolved |  | WCSP (in review) | 
	
		| Rumex algeriensis Barratte & Murb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex alismifolius Fresen. | Unresolved |  | WCSP (in review) | 
	
		| Rumex allionii Link | Unresolved |  | WCSP (in review) | 
	
		| Rumex alluvius F.C. Gates & McGregor | Synonym |  | TRO | 
	
		| Rumex alpestris Jacq. | Accepted |  | WCSP (in review) | 
	
		| Rumex alpestris subsp. lapponicus (Hiitonen) Jalas | Accepted |  | WCSP (in review) | 
	
		| Rumex alpinus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex alpinus var. subcalligerus Boiss. | Synonym |  | TRO | 
	
		| Rumex altissimus Alph.Wood | Unresolved |  | WCSP (in review) | 
	
		| Rumex altissimus subsp. ellipticus (Greene) Á. Löve | Synonym |  | TRO | 
	
		| Rumex alveolatus Los.-Losinsk. | Synonym |  | TRO | 
	
		| Rumex amanus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × ambigens Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex ambiguus Gren. | Synonym |  | WCSP (in review) | 
	
		| Rumex ambiguus J.Gay ex Gaudin [Unplaced] | Unresolved |  | WCSP (in review) | 
	
		| Rumex americanus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex amplexicaulis Lapeyr. | Synonym |  | WCSP (in review) | 
	
		| Rumex amurensis F. Schmidt ex Maxim. | Accepted |  | TRO | 
	
		| Rumex andinus Rech. f. | Accepted |  | TRO | 
	
		| Rumex andreaeanus Makino | Unresolved |  | WCSP (in review) | 
	
		| Rumex angiocarpus Murb. | Synonym |  | WCSP (in review) | 
	
		| Rumex angreni SUMNER | Synonym |  | TRO | 
	
		| Rumex angulatus Rech. f. | Accepted |  | TRO | 
	
		| Rumex angustatus Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex angustifolius Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex angustifolius Engelm. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex angustissimus Ledeb. | Synonym |  | WCSP (in review) | 
	
		| Rumex anisotylodes Sumnev. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × anisotyloies SUMNER | Unresolved |  | TRO | 
	
		| Rumex anthoxanthus Murray | Unresolved |  | WCSP (in review) | 
	
		| Rumex anthoxantum Moench | Unresolved |  | WCSP (in review) | 
	
		| Rumex antiscorbuticus Salisb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aquaticiformis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aquaticus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex aquaticus subsp. arcticus (Trautv.) Hiitonen | Accepted |  | WCSP (in review) | 
	
		| Rumex aquaticus subsp. euaquaticus Rech. f. | Synonym |  | TRO | 
	
		| Rumex aquaticus subsp. fenestratus (Greene) Vorosch. | Synonym |  | TRO | 
	
		| Rumex aquaticus var. fenestratus (Greene) Dorn | Synonym |  | TRO | 
	
		| Rumex aquaticus subsp. insularis Tolm. | Synonym |  | WCSP (in review) | 
	
		| Rumex aquaticus subsp. lipschitzii Rech. f. | Synonym |  | TRO | 
	
		| Rumex aquaticus subsp. nematopodus (Rech. f.) Á. Löve | Synonym |  | TRO | 
	
		| Rumex aquaticus subsp. occidentalis (S. Watson) Hultén | Synonym |  | TRO | 
	
		| Rumex aquaticus subsp. protractus (Rech.f.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex aquaticus subsp. schischkinii Rech. f. | Synonym |  | TRO | 
	
		| Rumex aquaticus subsp. tomentellus (Rech. f.) Á. Löve | Synonym |  | TRO | 
	
		| Rumex aquitanicus Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex arboreus Salisb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex arcticus Trautv. | Synonym |  | WCSP (in review) | 
	
		| Rumex arcticus var. kamtschadalus (Kom.) Rech. f. ex Tolm. | Synonym |  | TRO | 
	
		| Rumex arcuatoramosus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex arenarius Poepp. ex Endl. | Unresolved |  | WCSP (in review) | 
	
		| Rumex areschougii Ekstr. ex Aresch. | Unresolved |  | WCSP (in review) | 
	
		| Rumex areschougii Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex argentinus Rech. f. | Accepted |  | TRO | 
	
		| Rumex arifolius All. [Illegitimate] | Synonym |  | WCSP (in review) | 
	
		| Rumex arifolius L.f. [Unplaced] | Unresolved |  | WCSP (in review) | 
	
		| Rumex arifolius var. carpathicus Zapal. | Synonym |  | TRO | 
	
		| Rumex aristidis Coss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex arizonicus Britton | Synonym |  | TRO | 
	
		| Rumex armenus K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Rumex armoraciifolius Neuman | Unresolved |  | WCSP (in review) | 
	
		| Rumex × arnottii Druce | Unresolved |  | WCSP (in review) | 
	
		| Rumex × arpadianus Bihari | Unresolved |  | WCSP (in review) | 
	
		| Rumex arvensis (Lam.) Dulac | Synonym |  | TRO | 
	
		| Rumex aschabadensis Losinsk. | Synonym |  | TRO | 
	
		| Rumex asplundii Rech. f. | Synonym |  | TRO | 
	
		| Rumex atlanticus Coss. ex Maire | Unresolved |  | WCSP (in review) | 
	
		| Rumex atriplicifolius Rchb. ex Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × attenuatus Valta | Unresolved |  | WCSP (in review) | 
	
		| Rumex auratus Sm. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aureostigmatias Kom. | Unresolved |  | WCSP (in review) | 
	
		| Rumex aureostigmaticus Kom. | Synonym |  | TRO | 
	
		| Rumex aureus Mill. | Synonym |  | TRO | 
	
		| Rumex auriculatus (Wallr.) Murb. | Synonym |  | WCSP (in review) | 
	
		| Rumex auritus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex australis (Willk.) A.Fern. | Synonym |  | WCSP (in review) | 
	
		| Rumex austriacus Teyber | Unresolved |  | WCSP (in review) | 
	
		| Rumex × autranianus Freyn & Sint. ex Dinsm. | Unresolved |  | WCSP (in review) | 
	
		| Rumex azoricus Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex babiogorensis Zapal. | Unresolved |  | WCSP (in review) | 
	
		| Rumex baehnii Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex bakeri Greene | Synonym |  | TRO | 
	
		| Rumex × balatonensis Borbás | Unresolved |  | WCSP (in review) | 
	
		| Rumex × balatonus Borbás | Unresolved |  | WCSP (in review) | 
	
		| Rumex balcanicus Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex bellojocensis Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex bequaertii De Wild. | Synonym |  | TRO | 
	
		| Rumex bequaertii var. quarrei (De Wild.) Robyns | Synonym |  | TRO | 
	
		| Rumex beringensis Jurtzev & V.V. Petrovsky | Accepted |  | TRO | 
	
		| Rumex berlandieri Meisn. | Synonym |  | TRO | 
	
		| Rumex × bethkei Abrom. | Unresolved |  | WCSP (in review) | 
	
		| Rumex bidens R.Br. | Unresolved |  | WCSP (in review) | 
	
		| Rumex bidentula Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex biemarginatus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex biformis Lange | Synonym |  | WCSP (in review) | 
	
		| Rumex bipinnatus L.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex bithynicus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex blockii Zapal. | Unresolved |  | WCSP (in review) | 
	
		| Rumex bolosii Stübing, Peris & Romo | Unresolved |  | WCSP (in review) | 
	
		| Rumex bonariensis Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × bontei Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex × borbasii Blocki | Unresolved |  | WCSP (in review) | 
	
		| Rumex brachypodus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex brasiliensis Link | Accepted |  | TRO | 
	
		| Rumex × brassaianus Bihari | Unresolved |  | WCSP (in review) | 
	
		| Rumex brevipes Meisn. | Synonym |  | WCSP (in review) | 
	
		| Rumex britannica L. | Accepted |  | TRO | 
	
		| Rumex britannica var. borealis Rech. f. | Synonym |  | TRO | 
	
		| Rumex britannicus Elliott | Unresolved |  | WCSP (in review) | 
	
		| Rumex britannicus Hoffmanns. | Unresolved |  | WCSP (in review) | 
	
		| Rumex brownianus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex brownianus Raoul | Unresolved |  | WCSP (in review) | 
	
		| Rumex brownii Campd. | Accepted |  | TRO | 
	
		| Rumex × brueggeri Guerke. | Unresolved |  | TRO | 
	
		| Rumex bucephalophorus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. aculeatus Gürke | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus subsp. aegaeus Rchb.f. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. aegaeus (Rchb.f.) Maire | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. canariensis Steinh. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus subsp. canariensis (Steinh.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex bucephalophorus f. canariensis (Steinh.) Beck | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. crassissimus Maire | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. creticus Steinh. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. fruticescens (Bornm.) Press | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus subsp. fruticescens Bornm. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus subsp. gallicus (Steinh.) Rchb.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. gallicus Steinh. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus subsp. graecus (Steinh.) Rech.f. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. graecus Steinh. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus subsp. hipporegii (Steinh.) Rech.f. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. hipporegii Steinh. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. hispanicus Steinh. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus subsp. hispanicus (Steinh.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. massiliensis Steinh. | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. stenocarpus (Beck) Press | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus f. stenocarpus Beck | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. subaegaeus Maire | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. tetracanthus Beck | Synonym |  | WCSP (in review) | 
	
		| Rumex bucephalophorus var. uncinatus Boiss. | Synonym |  | WCSP (in review) | 
	
		| Rumex × bucovinensis Prodán | Unresolved |  | WCSP (in review) | 
	
		| Rumex × buianus Prodán | Unresolved |  | WCSP (in review) | 
	
		| Rumex bulbosus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex burchellii Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex cacaliifolius H. Lév. | Synonym |  | TRO | 
	
		| Rumex × cacozelus Valta | Unresolved |  | WCSP (in review) | 
	
		| Rumex × caldeirarum Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex caldeirarum H.C.Watson ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex californicus Rech. f. | Accepted |  | TRO | 
	
		| Rumex × callianthemus Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex callosissimus Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex callosus (F. Schmidt ex Maxim.) Rech. f. | Synonym |  | TRO | 
	
		| Rumex calthifolius Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex campestris Savi | Unresolved |  | WCSP (in review) | 
	
		| Rumex camptodon Rech. f. | Synonym |  | TRO | 
	
		| Rumex candollei Mart. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex cantabricus Rech.f. | Synonym |  | WCSP (in review) | 
	
		| Rumex cardiocarpus Pamp. | Synonym |  | TRO | 
	
		| Rumex × carinthiacus Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex carpaticus Zapal. | Synonym |  | WCSP (in review) | 
	
		| Rumex cassius Boiss. | Synonym |  | WCSP (in review) | 
	
		| Rumex × castrensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex caucasicus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex chabertii Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex chalepensis Mill. | Accepted |  | TRO | 
	
		| Rumex chilensis Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex chilensis Moris | Unresolved |  | WCSP (in review) | 
	
		| Rumex chiloensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex chinensis Campd. | Synonym |  | TRO | 
	
		| Rumex chrysocarpus Moris | Accepted |  | TRO | 
	
		| Rumex chymophyllus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex claytonii Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex clementii Domin | Unresolved |  | WCSP (in review) | 
	
		| Rumex × comaumensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex commersonianus D.Dietr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex commersonii Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × commutatus Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex comosus Buch.-Ham. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex comosus Forssk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex condylodes M. Bieb. | Synonym |  | TRO | 
	
		| Rumex confertoides Bihari | Synonym |  | WCSP (in review) | 
	
		| Rumex confertus Willd. | Accepted |  | WCSP (in review) | 
	
		| Rumex × confinis Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex confinis Greene | Unresolved |  | WCSP (in review) | 
	
		| Rumex conglomeratus Murray | Accepted |  | WCSP (in review) | 
	
		| Rumex conspersus Hartm. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × corconticus Kubát | Unresolved |  | WCSP (in review) | 
	
		| Rumex cordatus Poir. | Accepted |  | TRO | 
	
		| Rumex cordifolius Hornem. ex Rchb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × cordifolius Brügger | Unresolved |  | WCSP (in review) | 
	
		| Rumex coreanus Nakai | Unresolved |  | WCSP (in review) | 
	
		| Rumex × corfusus Simonk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × cornubiensis Holyoak | Unresolved |  | WCSP (in review) | 
	
		| Rumex costaricensis Rech. f. | Accepted |  | TRO | 
	
		| Rumex crassus Rech. f. | Synonym |  | TRO | 
	
		| Rumex creticus Boiss. [Illegitimate] | Synonym |  | WCSP (in review) | 
	
		| Rumex creticus Campd. | Synonym |  | WCSP (in review) | 
	
		| Rumex crispatulus Michx. | Synonym |  | TRO | 
	
		| Rumex crispatus Pers. | Unresolved |  | WCSP (in review) | 
	
		| Rumex crispellus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex crispissimus Kuntze | Accepted |  | TRO | 
	
		| Rumex crispissimus var. unigibbus Hauman | Synonym |  | TRO | 
	
		| Rumex crispus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex crispus var. dentatus Schur | Synonym |  | TRO | 
	
		| Rumex crispus subsp. japonicus (Houtt.) Kitam. | Synonym |  | TRO | 
	
		| Rumex crispus var. japonicus (Houtt.) Makino | Synonym |  | TRO | 
	
		| Rumex crispus subsp. littoreus (Hardy) Akeroyd | Accepted |  | WCSP (in review) | 
	
		| Rumex crispus var. littoreus Hardy | Synonym |  | WCSP (in review) | 
	
		| Rumex crispus var. triangulatus Syme | Synonym |  | WCSP (in review) | 
	
		| Rumex crispus subsp. uliginosus (Le Gall) Akeroyd | Accepted |  | WCSP (in review) | 
	
		| Rumex crispus var. uliginosus Le Gall | Synonym |  | WCSP (in review) | 
	
		| Rumex cristatus DC. | Accepted |  | WCSP (in review) | 
	
		| Rumex cristatus subsp. kerneri (Borbás) Akeroyd & D.A.Webb | Accepted |  | WCSP (in review) | 
	
		| Rumex crystallinus Lange | Unresolved |  | WCSP (in review) | 
	
		| Rumex cuneifolius Campd. | Synonym |  | WCSP (in review) | 
	
		| Rumex cuneifolius var. maricola (Remy) Rech. f. | Synonym |  | TRO | 
	
		| Rumex cunninghamii Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex cyprius Murb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × dacicus Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex daghestanicus K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Rumex daiwoo Makino | Unresolved |  | WCSP (in review) | 
	
		| Rumex × danseri Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex darwinianus Rech. f. | Accepted |  | TRO | 
	
		| Rumex decumbens Dusén | Synonym |  | TRO | 
	
		| Rumex × degenii Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × dejterianus Bihari | Unresolved |  | WCSP (in review) | 
	
		| Rumex densiflorus Osterh. | Accepted |  | TRO | 
	
		| Rumex densiflorus subsp. orthoneurus (Rech. f.) Á. Löve | Synonym |  | TRO | 
	
		| Rumex densiflorus subsp. pycnanthus (Rech. f.) Á. Löve | Synonym |  | TRO | 
	
		| Rumex dentatus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex dentatus subsp. halacsyi (Rech.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex dentatus subsp. klotzschianus (Meisn.) Rech. f. | Synonym |  | TRO | 
	
		| Rumex dentatus var. pleiodon Boiss. | Synonym |  | WCSP (in review) | 
	
		| Rumex dentatus subsp. reticulatus (Besser) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex denticulatus C. Koch | Synonym |  | TRO | 
	
		| Rumex × deweveri Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex diclinis Larrañaga | Unresolved |  | WCSP (in review) | 
	
		| Rumex dictyocarpus Boiss. & Buhse | Synonym |  | TRO | 
	
		| Rumex × didericae Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex digeneus Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex digynus L. | Synonym |  | WCSP (in review) | 
	
		| Rumex × dimidiatus Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dimorphophyllus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dimorphus Gren. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dioscoridis Hayne | Unresolved |  | WCSP (in review) | 
	
		| Rumex × discriminans Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex dissectus H. Lév. | Synonym |  | TRO | 
	
		| Rumex × dissimilis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex distans Dumort. | Unresolved |  | WCSP (in review) | 
	
		| Rumex divaricatus L. | Synonym |  | WCSP (in review) | 
	
		| Rumex × dobrogensis Prodán | Unresolved |  | WCSP (in review) | 
	
		| Rumex × dolosus Valta | Unresolved |  | WCSP (in review) | 
	
		| Rumex domesticus Hartm. | Synonym |  | WCSP (in review) | 
	
		| Rumex domesticus var. nanus Hook. | Synonym |  | TRO | 
	
		| Rumex domesticus var. pseudonatronatus Borbás | Synonym |  | WCSP (in review) | 
	
		| Rumex dregeanus Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dregei Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex drobovii Korovin | Synonym |  | TRO | 
	
		| Rumex drummondii F.Muell. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dubius Retz. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dubius Gunnerus | Unresolved |  | WCSP (in review) | 
	
		| Rumex dubius E.H.L.Krause | Unresolved |  | WCSP (in review) | 
	
		| Rumex × dufftii Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dumosiformis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex dumosus A.Cunn. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × dumulosus Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex durispissimus Kuntze | Unresolved |  | WCSP (in review) | 
	
		| Rumex ecklonianus Meisn. | Synonym |  | TRO | 
	
		| Rumex ecklonii Meisn. | Synonym |  | TRO | 
	
		| Rumex ecuadoriensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex ehrenbergii Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex elbrusensis Boiss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex ellenbeckii Dammer ex Engl. | Unresolved |  | WCSP (in review) | 
	
		| Rumex ellenbeckii Dammer | Unresolved |  | WCSP (in review) | 
	
		| Rumex ellipticus Greene | Accepted |  | TRO | 
	
		| Rumex elongatus Guss. | Synonym |  | TRO | 
	
		| Rumex engelmannii Meisn. | Synonym |  | TRO | 
	
		| Rumex engelmannii var. geyeri Meisn. | Synonym |  | TRO | 
	
		| Rumex ephedroides Bornm. | Unresolved |  | WCSP (in review) | 
	
		| Rumex erosus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex erosus Phil. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × erubescens Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × erubescens Simonk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex erythrocarpus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex esquirolii H. Lév. | Synonym |  | TRO | 
	
		| Rumex euxinus Klokov | Synonym |  | WCSP (in review) | 
	
		| Rumex evenkiensis Elis. | Unresolved |  | WCSP (in review) | 
	
		| Rumex exsanguis Kit. ex Schult. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × exspectatus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × exsul Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex falcarius Willd. ex Ledeb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × fallacinus Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex fascicularis Small | Accepted |  | TRO | 
	
		| Rumex fascilobus Klokov | Synonym |  | WCSP (in review) | 
	
		| Rumex fauriei Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex fenestratus Greene | Synonym |  | TRO | 
	
		| Rumex fenestratus var. labradoricus Rech. f. | Synonym |  | TRO | 
	
		| Rumex fenestratus var. procerus (Greene) Rech. f. | Synonym |  | TRO | 
	
		| Rumex fennicus (Murb.) Murb. | Synonym |  | WCSP (in review) | 
	
		| Rumex ferrugineus Willd. ex Spreng. | Unresolved |  | WCSP (in review) | 
	
		| Rumex fimbriatus R. Br. | Synonym |  | TRO | 
	
		| Rumex × finitimus Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex fischeri Rchb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex flexicaulis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex flexuosiformis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex flexuosus Sol. ex G.Forst. | Unresolved |  | WCSP (in review) | 
	
		| Rumex floridanus Meisn. | Accepted |  | TRO | 
	
		| Rumex foliosus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex fontanopaludosus Kalela | Synonym |  | WCSP (in review) | 
	
		| Rumex foveolatus Losinsk. | Synonym |  | TRO | 
	
		| Rumex × franktonis B.Boivin | Unresolved |  | WCSP (in review) | 
	
		| Rumex fraternus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex friesii Gren. & Godr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × fringillimontanus Erdner | Unresolved |  | WCSP (in review) | 
	
		| Rumex frutescens Thouars | Accepted |  | WCSP (in review) | 
	
		| Rumex fueginus Phil. | Synonym |  | TRO | 
	
		| Rumex fueginus var. athrix (H. St. John) Rech. f. | Unresolved |  | TRO | 
	
		| Rumex × gamsii Murr | Unresolved |  | WCSP (in review) | 
	
		| Rumex gangotrianus Aswal & S.K.Srivast. | Unresolved |  | WCSP (in review) | 
	
		| Rumex garipensis Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex garsensis Teyber | Unresolved |  | WCSP (in review) | 
	
		| Rumex × gemlikensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex gentilis E.J.Lönnr. ex Aresch. | Unresolved |  | WCSP (in review) | 
	
		| Rumex geyeri (Meisn.) Trel. | Synonym |  | TRO | 
	
		| Rumex × gieshueblensis Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex giganteus W.T.Aiton | Unresolved |  | WCSP (in review) | 
	
		| Rumex ginii Jahandiez & Maire | Unresolved |  | WCSP (in review) | 
	
		| Rumex glaber Forssk. | Synonym |  | TRO | 
	
		| Rumex glaucus Jacq. | Synonym |  | WCSP (in review) | 
	
		| Rumex glomeratus Schreb. | Synonym |  | TRO | 
	
		| Rumex gmelinii Turcz. ex Ledeb. | Accepted |  | TRO | 
	
		| Rumex × goethartii Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex gombae Bihari ex Jáv. | Unresolved |  | WCSP (in review) | 
	
		| Rumex gracilescens Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex gracilipes Greene | Synonym |  | TRO | 
	
		| Rumex gracilis Schur | Unresolved |  | WCSP (in review) | 
	
		| Rumex gracilis Ekstr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex graecus Boiss. & Heldr. | Synonym |  | WCSP (in review) | 
	
		| Rumex gramineus Pall. ex Ledeb. [Invalid] | Synonym |  | WCSP (in review) | 
	
		| Rumex graminifolius Georgi ex Lamb. | Accepted |  | WCSP (in review) | 
	
		| Rumex graminifolius var. subspathulatus (Trautv.) Tolm. | Synonym |  | WCSP (in review) | 
	
		| Rumex granulosus Wender. ex Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex granulosus Wender. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × griffithii Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × grintzescui Prodán | Unresolved |  | WCSP (in review) | 
	
		| Rumex × guaitecanus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex gussonei Arcang. | Synonym |  | WCSP (in review) | 
	
		| Rumex × gusuleacii Prodán | Unresolved |  | WCSP (in review) | 
	
		| Rumex hadmocarpus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hadroocarpus Rech. f. | Synonym |  | TRO | 
	
		| Rumex haematinus Kihlm. | Synonym |  | WCSP (in review) | 
	
		| Rumex × hagensis Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex halacsyi Rech. | Synonym |  | WCSP (in review) | 
	
		| Rumex × halacsyi Rech. f. | Synonym |  | TRO | 
	
		| Rumex halophilus F.Muell. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hamatus Trevir. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hamulosus Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex haplorhizus Czern. ex Turcz. | Synonym |  | WCSP (in review) | 
	
		| Rumex hararensis Dammer | Unresolved |  | WCSP (in review) | 
	
		| Rumex hasslerianus Rech. f. | Synonym |  | TRO | 
	
		| Rumex hastatulus Baldwin | Accepted |  | TRO | 
	
		| Rumex hastatus D. Don | Accepted |  | TRO | 
	
		| Rumex hastifolius M.Bieb. | Synonym |  | WCSP (in review) | 
	
		| Rumex hastulatus Sm. | Synonym |  | WCSP (in review) | 
	
		| Rumex haussknechtii Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex × hayekii Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × hazslinszkyanus Bihari | Unresolved |  | WCSP (in review) | 
	
		| Rumex × heimerlii Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex hellenicus Formánek | Unresolved |  | WCSP (in review) | 
	
		| Rumex helolapathum Drejer ex Hornem. | Unresolved |  | WCSP (in review) | 
	
		| Rumex henrardii Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex herba-britannicus Horv. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hesperius Greene | Unresolved |  | WCSP (in review) | 
	
		| Rumex × heteranthos Borbás | Unresolved |  | WCSP (in review) | 
	
		| Rumex × heterophyllus Schultz | Accepted |  | WCSP (in review) | 
	
		| Rumex hexagynus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hibernicus Rech.f. | Synonym |  | WCSP (in review) | 
	
		| Rumex hippiatricus Remy | Synonym |  | TRO | 
	
		| Rumex hippolapathum Fr. | Synonym |  | TRO | 
	
		| Rumex hirsutus Ten. ex. Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hispanicus C.C.Gmel. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hispanicus W.D.J.Koch | Unresolved |  | WCSP (in review) | 
	
		| Rumex horizontalis K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Rumex hortensis Vis. ex Nyman | Unresolved |  | WCSP (in review) | 
	
		| Rumex × hoschedei H.Lév. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hostilis Lour. | Unresolved |  | WCSP (in review) | 
	
		| Rumex hultenii Tzvelev | Unresolved |  | WCSP (in review) | 
	
		| Rumex × hungaricus Bihari | Unresolved |  | WCSP (in review) | 
	
		| Rumex × hybridus Kindb. | Accepted |  | WCSP (in review) | 
	
		| Rumex hydrolapathum Huds. | Accepted |  | WCSP (in review) | 
	
		| Rumex hydrolapathum var. americanum A. Gray | Synonym |  | TRO | 
	
		| Rumex hymenosepalus Torr. | Accepted |  | TRO | 
	
		| Rumex hymenosepalus var. salinus (A. Nelson) Rech. f. | Synonym |  | TRO | 
	
		| Rumex × impurus Maire & Weiller | Unresolved |  | WCSP (in review) | 
	
		| Rumex incomtus Weinm. | Unresolved |  | WCSP (in review) | 
	
		| Rumex inconspicuus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex induratus Boiss. & Reut. | Synonym |  | WCSP (in review) | 
	
		| Rumex infestus Salisb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex insularis Czerep. | Accepted |  | TRO | 
	
		| Rumex integer Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex integrifolia Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × intercedens Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × interjectus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex intermedius DC. | Accepted |  | WCSP (in review) | 
	
		| Rumex interruptus Rech. f. | Synonym |  | TRO | 
	
		| Rumex × inundatus Simonk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex iseriensis Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex italicus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex jacutensis Kom. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × jansenii Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex japonicus Houtt. | Accepted |  | TRO | 
	
		| Rumex × johannis-moorei Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex jungneri E.G.Camus | Unresolved |  | WCSP (in review) | 
	
		| Rumex kamtschadalus Kom. | Synonym |  | TRO | 
	
		| Rumex kandavanicus (Rech.f.) Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex kaschgaricus Chang Y.Yang | Unresolved |  | WCSP (in review) | 
	
		| Rumex × kaschmirianus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex kerneri Borbás | Synonym |  | WCSP (in review) | 
	
		| Rumex × khekii Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × khorasanicus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex kloosii Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex klotzschianus Meisn. | Synonym |  | TRO | 
	
		| Rumex × knafii Celak. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × knekii Rech. | Unresolved |  | TRO | 
	
		| Rumex komarovii Schischk. & Serg. | Unresolved |  | WCSP (in review) | 
	
		| Rumex krausei Jurtzev & V.V. Petrovsky | Accepted |  | TRO | 
	
		| Rumex kunthianus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex kunthii Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lacerus Balb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lacerus Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lachanus Forssk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lacustris Greene | Accepted |  | TRO | 
	
		| Rumex laevigatus Willd. ex Spreng. | Synonym |  | WCSP (in review) | 
	
		| Rumex lanceolatus Thunb. | Accepted |  | TRO | 
	
		| Rumex langloisii Small | Synonym |  | TRO | 
	
		| Rumex lanuginosus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lapathus-acutus Horv. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lapponicus (Hiitonen) Czernov | Synonym |  | WCSP (in review) | 
	
		| Rumex lappula Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex latifolius G.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Rumex latifolius Humb. ex Cham. & Schltdl. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lativalvis Meisn. | Accepted |  | TRO | 
	
		| Rumex lativalvis var. acetosoides Meisn. | Synonym |  | TRO | 
	
		| Rumex laxiflorus St.-Lag. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lentatus Gouan | Unresolved |  | WCSP (in review) | 
	
		| Rumex leptocaulis Brandbyge & Rech. f. | Accepted |  | TRO | 
	
		| Rumex × leptophyllus Murb. & Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex leucocephalus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex limoniastrum Jaub. & Spach | Unresolved |  | WCSP (in review) | 
	
		| Rumex limosus Thuill. | Synonym |  | WCSP (in review) | 
	
		| Rumex linearis Campd. | Synonym |  | TRO | 
	
		| Rumex × lingulatus Jungner | Unresolved |  | WCSP (in review) | 
	
		| Rumex lingulatus Schur | Unresolved |  | WCSP (in review) | 
	
		| Rumex litoralis Kunth | Synonym |  | TRO | 
	
		| Rumex lonaczevskii Klokov | Synonym |  | TRO | 
	
		| Rumex lonaczewskii Klokov | Synonym |  | WCSP (in review) | 
	
		| Rumex longifolius DC. | Accepted |  | WCSP (in review) | 
	
		| Rumex longifolius var. nanus (Hook.) Meisn. | Synonym |  | TRO | 
	
		| Rumex longisetus A.I. Baranov & Skvortsov | Synonym |  | TRO | 
	
		| Rumex lorentzianus Lindau | Accepted |  | TRO | 
	
		| Rumex losinskajae Rech. f. | Synonym |  | TRO | 
	
		| Rumex loureiroanus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex loureiroi Camp | Unresolved |  | WCSP (in review) | 
	
		| Rumex × lousleyi D.H.Kent | Unresolved |  | WCSP (in review) | 
	
		| Rumex lucidus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex ludovicianus Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex luederi Muent. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lugdunensis Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex lunaria L. | Accepted |  | WCSP (in review) | 
	
		| Rumex luxurians Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex luxurians L. | Unresolved |  | WCSP (in review) | 
	
		| Rumex luxurians Pourr. ex Nyman | Unresolved |  | WCSP (in review) | 
	
		| Rumex × lycheanus C.H.Blom | Unresolved |  | WCSP (in review) | 
	
		| Rumex macranthus Boiss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex macrophyllus Wallr. ex Hayne | Unresolved |  | WCSP (in review) | 
	
		| Rumex macrophyllus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex macrophyllus St.-Lag. | Unresolved |  | WCSP (in review) | 
	
		| Rumex macropterus Ehrenb. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex madaio Makino | Unresolved |  | WCSP (in review) | 
	
		| Rumex maderensis Lowe | Unresolved |  | WCSP (in review) | 
	
		| Rumex magellanicus Campd. | Accepted |  | TRO | 
	
		| Rumex magellanicus Griseb. | Synonym |  | TRO | 
	
		| Rumex magellanicus var. donatii Rech. f. | Synonym |  | TRO | 
	
		| Rumex magellanicus var. dusenii Rech. f. | Synonym |  | TRO | 
	
		| Rumex maricola Remy | Accepted |  | TRO | 
	
		| Rumex maritimus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex maritimus var. athrix H. St. John | Synonym |  | TRO | 
	
		| Rumex maritimus subsp. fueginus (Phil.) Hultén | Synonym |  | TRO | 
	
		| Rumex maritimus var. fueginus (Phil.) Dusén | Synonym |  | TRO | 
	
		| Rumex maritimus var. persicarioides (L.) R.S. Mitch. | Synonym |  | TRO | 
	
		| Rumex maritimus subsp. rossicus (Murb.) Krylov | Synonym |  | TRO | 
	
		| Rumex marschallianus Rchb. | Accepted |  | WCSP (in review) | 
	
		| Rumex marschallianus var. brevidens Bong. & C.A. Mey. | Synonym |  | TRO | 
	
		| Rumex × maximus Schreb. [Illegitimate] | Synonym |  | WCSP (in review) | 
	
		| Rumex megalophyllus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × melinkae Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex membranosus Poir. | Unresolved |  | WCSP (in review) | 
	
		| Rumex menzalensis Ehrenb. ex Boiss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex mexicanus Meisn. | Accepted |  | TRO | 
	
		| Rumex mexicanus var. subarcticus (Lepage) B. Boivin | Synonym |  | TRO | 
	
		| Rumex mexicanus var. transitorius (Rech. f.) B. Boivin | Synonym |  | TRO | 
	
		| Rumex meyeri Meisn. | Synonym |  | TRO | 
	
		| Rumex meyerianus Meisn. | Synonym |  | TRO | 
	
		| Rumex × mezei Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex micranthus Campd. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex microcarpus Campd. | Accepted |  | TRO | 
	
		| Rumex microdon Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × mirabilis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × mixtus F.Lamb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × moedlingensis Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × monistrolensis Marcet | Unresolved |  | WCSP (in review) | 
	
		| Rumex montanus Desf. | Synonym |  | WCSP (in review) | 
	
		| Rumex montevidensis Spreng. | Unresolved |  | WCSP (in review) | 
	
		| Rumex monticola Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex muelleri Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex multifidus L. | Synonym |  | WCSP (in review) | 
	
		| Rumex multiflorus Pers. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × munshii Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex murbeckii Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex × muretii Hausskn. | Accepted |  | WCSP (in review) | 
	
		| Rumex muricatus Blanco | Unresolved |  | WCSP (in review) | 
	
		| Rumex muricatus Dumort. | Unresolved |  | WCSP (in review) | 
	
		| Rumex mutabilis Campd. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × nankingensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex natalensis Damm. | Synonym |  | TRO | 
	
		| Rumex nebroides Campd. | Accepted |  | WCSP (in review) | 
	
		| Rumex neglectus Kirk | Unresolved |  | WCSP (in review) | 
	
		| Rumex nematopodus Rech. f. | Accepted |  | TRO | 
	
		| Rumex nemolapathum Ehrh. | Synonym |  | TRO | 
	
		| Rumex nemorivagus Timb.-Lagr. | Synonym |  | WCSP (in review) | 
	
		| Rumex nemorosus Schrad. ex Willd. | Synonym |  | WCSP (in review) | 
	
		| Rumex nepalensis Spreng. | Accepted |  | WCSP (in review) | 
	
		| Rumex nepalensis Baker & C.H. Wright | Synonym |  | TRO | 
	
		| Rumex nepalensis var. nepalensis | Accepted |  | TRO | 
	
		| Rumex nepalensis var. remotiflorus (Sam.) A.J. Li | Accepted |  | TRO | 
	
		| Rumex nevadensis H.Lindb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex niesslii Wildt | Unresolved |  | WCSP (in review) | 
	
		| Rumex nigricans Hook.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex nikkoensis Makino | Unresolved |  | WCSP (in review) | 
	
		| Rumex nipponicus Franch. & Sav. | Synonym |  | TRO | 
	
		| Rumex nivalis Hegetschw. | Accepted |  | WCSP (in review) | 
	
		| Rumex oblongifolius Tolm. | Accepted |  | TRO | 
	
		| Rumex oblongus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex obovatus Danser | Accepted |  | WCSP (in review) | 
	
		| Rumex obtusifolius L. | Accepted |  | WCSP (in review) | 
	
		| Rumex obtusifolius Boiss. | Synonym |  | TRO | 
	
		| Rumex obtusifolius var. agrestis Fr. | Synonym |  | WCSP (in review) | 
	
		| Rumex obtusifolius subsp. agrestis (Fr.) Danser | Synonym |  | WCSP (in review) | 
	
		| Rumex obtusifolius var. cristatus Neilr. | Synonym |  | TRO | 
	
		| Rumex obtusifolius f. grandis Zapal. | Synonym |  | WCSP (in review) | 
	
		| Rumex obtusifolius f. pseudoagrestis Zapal. | Synonym |  | WCSP (in review) | 
	
		| Rumex obtusifolius var. silvestris Fr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex obtusifolius subsp. sylvestris Čelak. | Synonym |  | TRO | 
	
		| Rumex obtusifolius var. transiens (Simonk.) Kubát | Synonym |  | WCSP (in review) | 
	
		| Rumex obtusifolius subsp. transiens (Simonk.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex occidentalis S. Watson | Accepted |  | TRO | 
	
		| Rumex occidentalis var. labradoricus (Rech. f.) Lepage | Synonym |  | TRO | 
	
		| Rumex occidentalis var. procerus (Greene) J.T. Howell | Accepted |  | TRO | 
	
		| Rumex occultans Sam. | Unresolved |  | WCSP (in review) | 
	
		| Rumex ochotensis Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex ochotskius Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex odontocarpus Sandor ex Borbás | Synonym |  | WCSP (in review) | 
	
		| Rumex × ogulinensis Borbás | Unresolved |  | WCSP (in review) | 
	
		| Rumex olitoria Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex olympicus Boiss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex oravicensis Wierzb. ex Nyman | Unresolved |  | WCSP (in review) | 
	
		| Rumex orbiculatus A. Gray | Synonym |  | TRO | 
	
		| Rumex orientalis Bernh. ex Schult. & Schult.f. | Synonym |  | WCSP (in review) | 
	
		| Rumex orientalis Benth. | Synonym |  | TRO | 
	
		| Rumex orientalis Hook. f. | Synonym |  | TRO | 
	
		| Rumex orthoneurus Rech. f. | Accepted |  | TRO | 
	
		| Rumex × oryzetorum Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × osswaldii Wein | Unresolved |  | WCSP (in review) | 
	
		| Rumex oxylapathum Gueldenst. ex Ledeb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex oxylapathum Wallr. ex Fr. | Unresolved |  | WCSP (in review) | 
	
		| Rumex oxyotus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex oxysepalus Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × pakistanicus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pallidus Bigelow | Unresolved |  | WCSP (in review) | 
	
		| Rumex pallidus subsp. subarcticus (Lepage) Á. Löve | Synonym |  | TRO | 
	
		| Rumex paludosus With. | Synonym |  | TRO | 
	
		| Rumex paluster A.Kern. | Unresolved |  | WCSP (in review) | 
	
		| Rumex palustris Sm. | Accepted |  | WCSP (in review) | 
	
		| Rumex × palustroides Simonk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pamiricus Rech. f. | Accepted |  | TRO | 
	
		| Rumex × pannonicus Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex papilio Coss. & Balansa | Accepted |  | WCSP (in review) | 
	
		| Rumex papillaris Boiss. & Reut. | Synonym |  | WCSP (in review) | 
	
		| Rumex paraguayensis D. Parodi | Synonym |  | TRO | 
	
		| Rumex parvifolius Willd. ex Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex patagonicus Rech. f. | Accepted |  | TRO | 
	
		| Rumex patens Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex patientia L. | Accepted |  | WCSP (in review) | 
	
		| Rumex patientia subsp. callosus (F. Schmidt ex Maxim.) Rech. f. | Synonym |  | TRO | 
	
		| Rumex patientia var. callosus F. Schmidt ex Maxim. | Synonym |  | TRO | 
	
		| Rumex patientia subsp. graecus (Boiss. & Heldr.) H. Lindb. | Synonym |  | TRO | 
	
		| Rumex patientia subsp. interruptus Rech. f. | Synonym |  | TRO | 
	
		| Rumex patientia subsp. orientalis (Bernh. ex Schult. & Schult.f.) Danser | Accepted |  | WCSP (in review) | 
	
		| Rumex patientia subsp. pamiricus (Rech. f.) Rech. f. | Synonym |  | TRO | 
	
		| Rumex patientia subsp. recurvatus (Rech.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex patientia subsp. tibeticus (Rech. f.) Rech. f. | Synonym |  | TRO | 
	
		| Rumex patientia var. tibeticus Rech. f. | Synonym |  | TRO | 
	
		| Rumex pauciflorus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex paucifolius Nutt. | Accepted |  | WCSP (in review) | 
	
		| Rumex paucifolius subsp. gracilescens (Rech. f.) Rech. f. | Synonym |  | TRO | 
	
		| Rumex paucifolius var. gracilescens Rech. f. | Synonym |  | TRO | 
	
		| Rumex paulsenianus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pectinatus Ehrenb. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × peisonis Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex peregrinus Boiss. | Synonym |  | TRO | 
	
		| Rumex persicarioides L. | Accepted |  | TRO | 
	
		| Rumex persicaris Clem. & E.G.Clem. | Unresolved |  | WCSP (in review) | 
	
		| Rumex peruanus Rech. f. | Accepted |  | TRO | 
	
		| Rumex × philpii Kitch. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pictus Forssk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pilatensis Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex planellae Pau & Merino | Unresolved |  | WCSP (in review) | 
	
		| Rumex planivalvis Murb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex platycarpus Batt. | Synonym |  | WCSP (in review) | 
	
		| Rumex platyphyllus Aresch | Unresolved |  | WCSP (in review) | 
	
		| Rumex polycarpus Rech. f. | Accepted |  | TRO | 
	
		| Rumex polygamus Sessé & Moc. | Unresolved |  | WCSP (in review) | 
	
		| Rumex polygamus Cav. | Unresolved |  | WCSP (in review) | 
	
		| Rumex polygonifolius Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex polyklonos Rech. f. | Synonym |  | TRO | 
	
		| Rumex polyrhizus Greene | Synonym |  | TRO | 
	
		| Rumex ponticus E.H.L.Krause | Unresolved |  | WCSP (in review) | 
	
		| Rumex popovii Pachom. | Accepted |  | TRO | 
	
		| Rumex praecox Rydb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × pratensis Mert. & W.D.J.Koch | Accepted |  | WCSP (in review) | 
	
		| Rumex procerus Greene | Synonym |  | TRO | 
	
		| Rumex × promiscuus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × propinquus Aresch. | Unresolved |  | WCSP (in review) | 
	
		| Rumex protractus Rech.f. | Synonym |  | WCSP (in review) | 
	
		| Rumex × prusianus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pseudoacetosa Bertol. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pseudoalpinus Höfft | Unresolved |  | WCSP (in review) | 
	
		| Rumex pseudoamplexicaulis Guadagno | Unresolved |  | WCSP (in review) | 
	
		| Rumex pseudonatronatus (Borbás) Murb. | Accepted |  | WCSP (in review) | 
	
		| Rumex pseudonatronatus subsp. fennicus Murb. | Synonym |  | WCSP (in review) | 
	
		| Rumex × pseudoorbiculatus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × pseudopatientia Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × pseudopulcher Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pseudopulcher Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pseudoscutatus Dinter | Unresolved |  | WCSP (in review) | 
	
		| Rumex pseudoxyria A.P. Khokhr. | Accepted |  | TRO | 
	
		| Rumex pubescens K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Rumex pulcher L. | Accepted |  | WCSP (in review) | 
	
		| Rumex pulcher subsp. anodontus (Hausskn.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex pulcher var. anodontus Hausskn. | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher f. anodontus (Hausskn.) Beck | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher subsp. cassius (Boiss.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex pulcher subsp. divaricatus (L.) Murb. | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher subsp. divaricatus (L.) Arcang. | Synonym |  | TRO | 
	
		| Rumex pulcher var. macrodon Hausskn. | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher var. microdon Hausskn. | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher f. microdon (Hausskn.) Beck | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher var. micropleiodontus Hausskn. | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher f. micropliodus Beck | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher var. oligodonta Hausskn. | Synonym |  | WCSP (in review) | 
	
		| Rumex pulcher subsp. raulinii (Boiss.) Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex pulcher subsp. woodsii (De Not.) Arcang. | Accepted |  | WCSP (in review) | 
	
		| Rumex pulcherrimus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex punjabensis K.M.Vaid & H.B.Naithani | Unresolved |  | WCSP (in review) | 
	
		| Rumex purpureus Poir. | Unresolved |  | WCSP (in review) | 
	
		| Rumex purpureus Link | Unresolved |  | WCSP (in review) | 
	
		| Rumex pusillus Delarbre | Unresolved |  | WCSP (in review) | 
	
		| Rumex pycnanthus Rech. f. | Accepted |  | TRO | 
	
		| Rumex pycnocarpus Wallr. ex Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex pyrenaicus Pourr. ex Lapeyr. | Synonym |  | WCSP (in review) | 
	
		| Rumex quadridentatus Ehrenb. ex Boiss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex quarrei De Wild. | Synonym |  | TRO | 
	
		| Rumex ramulosus Meisn. | Synonym |  | TRO | 
	
		| Rumex raulinii Boiss. | Synonym |  | WCSP (in review) | 
	
		| Rumex rechingerianus Losinsk. | Synonym |  | TRO | 
	
		| Rumex rectinervis Rech. f. | Accepted |  | TRO | 
	
		| Rumex recurvatus Rech. | Synonym |  | WCSP (in review) | 
	
		| Rumex regelii F. Schmidt | Synonym |  | TRO | 
	
		| Rumex remotiflorus Sam. | Synonym |  | TRO | 
	
		| Rumex reniformis Radde | Unresolved |  | WCSP (in review) | 
	
		| Rumex repandus Bosc ex Pers. | Unresolved |  | WCSP (in review) | 
	
		| Rumex reticulatus Besser | Synonym |  | WCSP (in review) | 
	
		| Rumex retroflexus Lag. ex Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × rhaeticus Brügger | Unresolved |  | WCSP (in review) | 
	
		| Rumex rheifolius Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex rhodesius Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × romanicus Prodán | Unresolved |  | WCSP (in review) | 
	
		| Rumex romassa Remy ex Gay | Accepted |  | TRO | 
	
		| Rumex × rosemurphyae Holyoak | Unresolved |  | WCSP (in review) | 
	
		| Rumex roseus Poir. | Unresolved |  | WCSP (in review) | 
	
		| Rumex roseus Aucher ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex roseus L. | Unresolved |  | WCSP (in review) | 
	
		| Rumex rossicus Murb. | Accepted |  | WCSP (in review) | 
	
		| Rumex rothschildianus Aarons. | Unresolved |  | WCSP (in review) | 
	
		| Rumex roxburghianus Wall. | Unresolved |  | WCSP (in review) | 
	
		| Rumex roxburghianus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex rubellus Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex rugelii Meisn. | Synonym |  | TRO | 
	
		| Rumex rugosus Campd. | Accepted |  | WCSP (in review) | 
	
		| Rumex × ruhmeri Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex rupestris Le Gall | Accepted |  | WCSP (in review) | 
	
		| Rumex ruwenzoriensis Chiov. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sagittatus Thunb. | Accepted |  | TRO | 
	
		| Rumex sagittifolius Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × sagorskii Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × salicetorum Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex salicifolius Weinm. | Accepted |  | WCSP (in review) | 
	
		| Rumex salicifolius auct. | Synonym |  | TRO | 
	
		| Rumex salicifolius var. angustifolius Meisn. | Synonym |  | TRO | 
	
		| Rumex salicifolius var. crassus (Rech. f.) J.T. Howell | Accepted |  | TRO | 
	
		| Rumex salicifolius var. denticulatus Torr. | Synonym |  | TRO | 
	
		| Rumex salicifolius var. lacustris (Greene) J.C. Hickman | Synonym |  | TRO | 
	
		| Rumex salicifolius var. mexicanus (Meisn.) C.L. Hitchc. | Synonym |  | TRO | 
	
		| Rumex salicifolius subsp. mexicanus (Meisn.) A.E. Murray | Accepted |  | TRO | 
	
		| Rumex salicifolius var. transitorius (Rech. f.) J.C. Hickman | Synonym |  | TRO | 
	
		| Rumex salicifolius f. transitorius (Rech. f.) J.T. Howell | Synonym |  | TRO | 
	
		| Rumex salicifolius subsp. triangulivalvis Danser | Synonym |  | TRO | 
	
		| Rumex salinus A. Nelson | Synonym |  | TRO | 
	
		| Rumex × salisburgensis C.Fritsch & Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex samuelssonii Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sanguineus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex × sanninensis Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sarcorhizus Link | Synonym |  | TRO | 
	
		| Rumex saxei Kellogg | Synonym |  | TRO | 
	
		| Rumex scandens Burch. | Synonym |  | TRO | 
	
		| Rumex scandicus Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex schimperi Meisn. | Synonym |  | TRO | 
	
		| Rumex schischkinii Losinsk. | Accepted |  | TRO | 
	
		| Rumex schlagintweitii Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × schmidtii Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × schreberi Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex schultesii Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × schultzei Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex schultzii Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex scutatus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex scutatus subsp. gallaecicus Lago | Synonym |  | WCSP (in review) | 
	
		| Rumex scutatus subsp. glaucus (Jacq.) Gaud. ex Wulf | Synonym |  | WCSP (in review) | 
	
		| Rumex scutatus subsp. glaucus Gaudin ex E. Wulf | Synonym |  | TRO | 
	
		| Rumex scutatus subsp. hastifolius (M.Bieb.) Borodina | Accepted |  | WCSP (in review) | 
	
		| Rumex scutatus subsp. hastifolius Borod. | Synonym |  | TRO | 
	
		| Rumex scutatus subsp. induratus (Boiss. & Reut.) Nyman | Accepted |  | WCSP (in review) | 
	
		| Rumex sellowianus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × semigraecus Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sepium M.Bieb. ex Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex setaceus Buch.-Ham. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex shultzii Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sibiricus Hultén | Accepted |  | TRO | 
	
		| Rumex silvester A.Kern. | Unresolved |  | WCSP (in review) | 
	
		| Rumex similans Rech. f. | Accepted |  | TRO | 
	
		| Rumex × similatus Hausskn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × simonkaianus Bihari | Unresolved |  | WCSP (in review) | 
	
		| Rumex simpliciflorus Murb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sinuatus Nathh. ex Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sinuatus L. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × skofitzii Blocki | Unresolved |  | WCSP (in review) | 
	
		| Rumex skottsbergii O.Deg. & I.Deg. | Unresolved |  | WCSP (in review) | 
	
		| Rumex songaricus Fisch. & C.A.Mey. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × sorkhabadensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex spinosus L. | Synonym |  | WCSP (in review) | 
	
		| Rumex spiralis Small | Unresolved |  | WCSP (in review) | 
	
		| Rumex spurius Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex spurius E.G.Camus | Unresolved |  | WCSP (in review) | 
	
		| Rumex steinii Becker | Unresolved |  | WCSP (in review) | 
	
		| Rumex stenoglottis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × stenophylloides Simonk. | Unresolved |  | WCSP (in review) | 
	
		| Rumex stenophyllus Ledeb. | Accepted |  | WCSP (in review) | 
	
		| Rumex stenophyllus var. ussuriensis (Losinsk.) Kitag. | Synonym |  | TRO | 
	
		| Rumex steudelianus Meisn. | Synonym |  | TRO | 
	
		| Rumex steudelii Hochst. ex A. Rich. | Accepted |  | TRO | 
	
		| Rumex strepens Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex subalpinus M.E. Jones | Synonym |  | TRO | 
	
		| Rumex subarcticus Lepage | Accepted |  | TRO | 
	
		| Rumex × subdubius Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex subrotundus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex subtrilobus Boiss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex subulatus Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex subvirescens Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex suffocatus Moris ex Bertol. | Unresolved |  | WCSP (in review) | 
	
		| Rumex suffruticosus J.Gay ex Meisn. | Accepted |  | WCSP (in review) | 
	
		| Rumex supinus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex suzukianus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sylvaticus Raf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sylvaticus Herb. ex Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex sylvaticus Schrad. ex Link | Unresolved |  | WCSP (in review) | 
	
		| Rumex sylvestris Wallr. [Illegitimate] | Unresolved |  | WCSP (in review) | 
	
		| Rumex sylvestris var. transiens Simonk. | Synonym |  | WCSP (in review) | 
	
		| Rumex syriacus auct. | Synonym |  | TRO | 
	
		| Rumex syriacus Meisn. | Synonym |  | TRO | 
	
		| Rumex × talaricus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex tauricus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex tenax Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex tenellus Lavy | Unresolved |  | WCSP (in review) | 
	
		| Rumex tenuifolius (Wallr.) Á.Löve | Synonym |  | WCSP (in review) | 
	
		| Rumex × theflungii Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex thianschanicus Losinsk. | Accepted |  | TRO | 
	
		| Rumex thuringiacus Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex thyrsiflorus Fingerh. | Accepted |  | WCSP (in review) | 
	
		| Rumex thyrsiflorus subsp. haematinus (Kihlm.) Borodina | Synonym |  | WCSP (in review) | 
	
		| Rumex thyrsiflorus subsp. haematinus Borod. | Synonym |  | TRO | 
	
		| Rumex thyrsiflorus var. mandshurica A.I. Baranov & Skvortsov | Synonym |  | TRO | 
	
		| Rumex thyrsiflorus subsp. papillaris (Boiss. & Reut.) Sagredo & Malag. | Accepted |  | WCSP (in review) | 
	
		| Rumex thyrsoides Desf. | Accepted |  | WCSP (in review) | 
	
		| Rumex tibeticus Rech. f. | Synonym |  | TRO | 
	
		| Rumex tingitanus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex tmoleus Boiss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × toepffieri Rech. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × togaensis Tosh.Kawah. | Unresolved |  | WCSP (in review) | 
	
		| Rumex tolimensis Wedd. | Accepted |  | TRO | 
	
		| Rumex tomentellus Rech. f. | Accepted |  | TRO | 
	
		| Rumex tournefortii Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × transbaicalicus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × transiens (Simonk.) Tzvelev | Unresolved |  | WCSP (in review) | 
	
		| Rumex transitorius Rech. f. | Accepted |  | TRO | 
	
		| Rumex triangularis Guss. | Misapplied |  | WCSP (in review) | 
	
		| Rumex triangulivalvis (Danser) Rech. f. | Accepted |  | TRO | 
	
		| Rumex trifidus Campd. | Unresolved |  | WCSP (in review) | 
	
		| Rumex trimenii E.G.Camus | Unresolved |  | WCSP (in review) | 
	
		| Rumex trinervius Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × triplex Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex trisetifer Stokes | Accepted |  | TRO | 
	
		| Rumex tuberculatus K.Koch | Unresolved |  | WCSP (in review) | 
	
		| Rumex tuberosus L. | Accepted |  | WCSP (in review) | 
	
		| Rumex tuberosus subsp. creticus Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex tuberosus subsp. euxinus (Klokov) Borodina | Synonym |  | WCSP (in review) | 
	
		| Rumex tuberosus subsp. euxinus Berod. | Synonym |  | TRO | 
	
		| Rumex tuberosus var. taurocaucasisus Sirj. | Synonym |  | WCSP (in review) | 
	
		| Rumex tuberosus var. turcomanicus Rech. f. | Synonym |  | TRO | 
	
		| Rumex tuberosus subsp. turcomanicus Rech. f. | Synonym |  | TRO | 
	
		| Rumex tunetanus Barratte & Murb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex turcestanicus Paulsen | Unresolved |  | WCSP (in review) | 
	
		| Rumex turcomanicus Czerep. | Accepted |  | TRO | 
	
		| Rumex turkestanicus Paulsen | Synonym |  | TRO | 
	
		| Rumex ucranicus Fisch. | Accepted |  | WCSP (in review) | 
	
		| Rumex × ujskensis Rech.f. | Accepted |  | WCSP (in review) | 
	
		| Rumex uliginosus Guss. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × uludaghensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex umbellatus Houtt. | Unresolved |  | WCSP (in review) | 
	
		| Rumex uncinatus Schult. & Schult.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex uncinatus Ehrenb. ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex uncinulatus Schrad. | Unresolved |  | WCSP (in review) | 
	
		| Rumex undulatus Desf. | Unresolved |  | WCSP (in review) | 
	
		| Rumex undulatus Hornem. | Unresolved |  | WCSP (in review) | 
	
		| Rumex undulatus Willd. ex Spreng. | Unresolved |  | WCSP (in review) | 
	
		| Rumex undulatus Schrank | Unresolved |  | WCSP (in review) | 
	
		| Rumex undulatus Formánek | Unresolved |  | WCSP (in review) | 
	
		| Rumex undulatus Besser ex Meisn. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × upsaliensis Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex ursinus Maximova | Synonym |  | TRO | 
	
		| Rumex uruguayensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex usambarensis Dammer ex Peter | Unresolved |  | WCSP (in review) | 
	
		| Rumex usambarensis (Engl. ex Dammer) Dammer | Unresolved |  | WCSP (in review) | 
	
		| Rumex ussuriensis Losinsk. | Synonym |  | TRO | 
	
		| Rumex usticanus Lojac. | Unresolved |  | WCSP (in review) | 
	
		| Rumex utahensis Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex venosus Pursh | Synonym |  | TRO | 
	
		| Rumex verrietianus Gand. | Unresolved |  | WCSP (in review) | 
	
		| Rumex verticillatus L. | Unresolved |  | WCSP (in review) | 
	
		| Rumex verticillatus Ucria | Unresolved |  | WCSP (in review) | 
	
		| Rumex verticillatus Richardson | Unresolved |  | WCSP (in review) | 
	
		| Rumex verticillatus subsp. fascicularis (Small) Á. Löve | Synonym |  | TRO | 
	
		| Rumex verticillatus subsp. floridanus (Meisn.) Á. Löve | Synonym |  | TRO | 
	
		| Rumex vesceritensis Murb. | Unresolved |  | WCSP (in review) | 
	
		| Rumex vesicarius L. | Accepted |  | WCSP (in review) | 
	
		| Rumex vinealis Timb.-Lagr. & Jeanb. | Synonym |  | WCSP (in review) | 
	
		| Rumex violascens Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex virgatus Haenke | Unresolved |  | WCSP (in review) | 
	
		| Rumex viridis Sibth. ex Steud. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × wachteri Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex × wachterianus Danser | Unresolved |  | WCSP (in review) | 
	
		| Rumex wallichianus Meisn. | Synonym |  | TRO | 
	
		| Rumex wallichii Meisn. | Synonym |  | TRO | 
	
		| Rumex wallrothii Nyman | Unresolved |  | WCSP (in review) | 
	
		| Rumex warrenii Trimen ex Nyman | Unresolved |  | WCSP (in review) | 
	
		| Rumex × weberi Fischer-Benz. | Unresolved |  | WCSP (in review) | 
	
		| Rumex wettsteinii Wildt | Unresolved |  | WCSP (in review) | 
	
		| Rumex × wildtianus Domin | Unresolved |  | WCSP (in review) | 
	
		| Rumex winterlii Zuccagni | Unresolved |  | WCSP (in review) | 
	
		| Rumex wippraensis Wein | Unresolved |  | WCSP (in review) | 
	
		| Rumex wirtgenii Beck | Unresolved |  | WCSP (in review) | 
	
		| Rumex woodii N.E. Br. | Accepted |  | TRO | 
	
		| Rumex woodsii De Not. | Synonym |  | WCSP (in review) | 
	
		| Rumex × wrightii Lousley | Unresolved |  | WCSP (in review) | 
	
		| Rumex xanthorhizus Pers. | Unresolved |  | WCSP (in review) | 
	
		| Rumex × xenogenus Rech.f. | Unresolved |  | WCSP (in review) | 
	
		| Rumex yezoensis Hara | Unresolved |  | WCSP (in review) | 
	
		| Rumex yungningensis Sam. | Accepted |  | TRO | 
	
		| Rumex × zsakii Bihari | Unresolved |  | WCSP (in review) |