| Rubia acaliculata Cav. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia acuminata M.Martens & Galeotti | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia affinis Gardner | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia agostinhoi Dans. & P.Silva | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia aitchisonii Deb & Malick | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia akane Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia akane var. erecta Masam. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia alaica Pachom. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia alata Wall. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia albicaulis Boiss. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia albicaulis f. infundibularis (Hemsl. & Lace) Deb & Malick | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia albicaulis var. stenophylla Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia albocostata Ehrend. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia anglica Huds. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia angustifolia L. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia angustifolia subsp. caespitosa (Font Quer & Marcos) Rosselló & al. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia angustifolia var. caespitosa Font Quer & Marcos | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia angustifolia var. requienii (Duby) Nyman | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia angustisissima Wall. ex G.Don | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia aparine (L.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia argyi (H.Lév. & Vaniot) Hara ex Lauener | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia aspera Pohl ex DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia asperrima Decne. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia atropurpurea Decne. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia aucheri K.Koch [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia aucheri Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia balearica (Willk.) Porta | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia balearica subsp. caespitosa (Font Quer & Marcos) Rosselló, L.Sáez & Mus | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia barcinonensis Sennen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia bocconii Petagna | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia borealis (L.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia brachypoda Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia brachypoda var. stenophylla Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia braunii Hochst. [Invalid] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia brevicaulis Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia brownei Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia brownei Michx. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia caespitosa (Font Quer & Marcos) Rosselló | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia canariensis Poir. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia caramanica Bornm. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia charifolia Wall. ex G.Don | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia chekiangensis Deb | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chilensis Molina | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chilensis Willd. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chilensis Molina ex DC. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chinensis Regel & Maack | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia chinensis var. esquirolii (H.Lév.) H.Lév. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chinensis var. glabrescens (Nakai) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chinensis f. glabrescens (Nakai) Kitag. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia chinensis f. mitis (Miq.) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chinensis var. pedicellata (Nakai) H.Hara | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia chitralensis Ehrend. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia ciliata (Ruiz & Pav.) DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia clematidifolia Blume ex Decne. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia clematifolia Reinw. ex Miq. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia clementii Sennen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia conotricha Gand. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordata Thunb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia L. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. affinis Kurz | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. alaschanica G.H.Liu | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia subsp. conotricha (Gand.) Verdc. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia subsp. cordifolia  | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. coriacea Z.Y.Zhang | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. discolor (Turcz.) K.Schum. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. hexaphylla Makino | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. javana (DC.) Miq. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. khasiana G.Watt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. leiocaulis Franch. ex Diels | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. longifolia Hand.-Mazz. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. maillardii (H.Lév. & Vaniot) H.Lév. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. membranacea Franch. ex Diels | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. munjista (Roxb.) Miq. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia f. pratensis (Maxim.) Kitag. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. pratensis Maxim. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia subsp. pratensis Kitam. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Rubia cordifolia var. pubescens Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia f. strigosa Deb & Malick | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia var. sylvatica Maxim. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cordifolia f. tetramera Makino | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia corymbosa (Ruiz & Pav.) DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia crassipes Collett & Hemsl. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia cretacea Pojark. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia cretica Scheele | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia crocea (Ruiz & Pav.) DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia cruciata (L.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia dalmatica Scheele | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia davisiana Ehrend. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia debilis Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia deserticola Pojark. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia diffusa Pohl ex DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia diphylla (K.Schum.) K.Schum. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia diphylla Sessé & Moc. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Rubia discolor Turcz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia dolichophylla Schrenk | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia dolichophylla var. kalshirica Serg. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia doniettii Griseb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia edgeworthii Hook.f. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia ephedroides Cham. & Schltdl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia equisetoides Cham. & Schltdl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia erratica Bubani | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia esquirolii H.Lév. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia falciformis H.S.Lo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia filiformis F.C.How ex H.S.Lo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia florida Boiss. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia fontqueri Sennen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa Aiton | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa var. angustifolia Kuntze | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa subsp. melanocarpa (Bornm.) Bramwell | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa var. melanocarpa Bornm. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa var. pendula Pit. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa subsp. pendula (Pit.) Oberd. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa subsp. periclymenum (Schenck) Sunding | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia fruticosa var. periclymenum Schenck | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia galioides Poir. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia garrettii Craib | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia gedrosiaca Bornm. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia glabra Gardner | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia gracilis Miq. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia graeca (L.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia grandifolia Sennen | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia grandis (F.Schmidt) Kom. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia gratiosa Menezes | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia guadalupensis Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia haematantha Airy Shaw | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia haenkeana Gillies ex Hook. & Arn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia hexaphylla (Makino) Makino | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia himalayensis Klotzsch | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia hirsuta (Ruiz & Pav.) Schltdl. ex Wedd. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia hirta Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia hispida Willd. ex Spreng. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia hispidicaulis D.G.Long | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia horrida (Thunb.) Puff | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia hypocarpia (L.) DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia iberica (Fisch. ex DC.) K.Koch | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia incana Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia indecora Cham. & Schltdl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia infundibularis Hemsl. & Lace | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia intricata Hook. & Arn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia javana DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia jesoensis (Miq.) Miyabe & Kudo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia komarovii Pojark. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia kotschyi Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia krascheninnikovii Pojark. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia kurramensis Nazim. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia laevigata DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia laevis Thunb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia laevis Poir. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia laevissima Tsckern. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia lanceolata Hayata | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia latipetala H.S.Lo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia laurae (Holmboe) Airy Shaw | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia laxiflora Gontsch. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia leiocaulis Diels | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia linearifolia Bonnier [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Rubia linii J.M.Chao | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia linnaeana Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia longifolia Poir. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia longipetiolata Bullock | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia lucida L. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia magna P.G.Xiao | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia maillardii H.Lév. & Vaniot | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia mandersii Collett & Hemsl. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia manjith Roxb. ex Fleming | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia margaritifera Reiche | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia maymanensis Ehrend. & Schönb.-Tem. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia melanocarpa (Bornm.) Svent. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia membranacea Diels | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia membranacea var. caudata Z.Y.Zhang | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia membranacea var. incurvata Z.Y.Zhang | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia micans auct. [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Rubia mitis Miq. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia mitis f. glabrescens Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia mollugo (L.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia monantha DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia montana Steud. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia mucronata (Ruiz & Pav.) Hook. & Arn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia munjista Roxb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia nankotaizana Masam. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia nephrophylla Deb | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia nitida Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia noxia A.St.-Hil. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia olivieri A.Rich. ex DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia olivieri subsp. brachypoda (Boiss.) Holmboe | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia olivieri var. cretica (Scheele) Nyman | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia olivieri subsp. doniettii (Griseb.) Holmboe | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia olivieri var. eburnea Nábelek | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia olivieri var. elliptica Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia olivieri var. stenophylla (Boiss.) Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia oncotricha Hand.-Mazz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia oppositifolia Griff. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia orinocensis Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia ovalis (Ruiz & Pav.) DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia ovatifolia Z.Ying Zhang ex Q.Lin | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia pallida Diels | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia palustris (L.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia pauciflora Boiss. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia pavlovii Bajtenov & Myrz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia pedicellata Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina L. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina Walter | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina subsp. agostinhoi (Dans. & P.Silva) Valdés Berm. & G.López | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina var. angustifolia Gren. & Godr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina var. balearica Willk. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina var. dalmatica (Scheele) Nyman | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina subsp. longifolia (Poir.) O.Bolòs | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina var. lucida (L.) Nyman | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina var. requienii (Duby) Cardona | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina subsp. requienii (Duby) Cardona & Sierra | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia peregrina var. splendens (Hoffmanns. & Link) Nyman | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia petiolaris DC. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia petiolaris var. heterophylla Sond. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia petiolaris var. isophylla Sond. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia philippinensis Elmer | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia podantha Diels | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia polyphlebia H.S.Lo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia pratensis (Maxim.) Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia pterygocaulis H.S.Lo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia pubescens (Nakai) Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia purpurea Decne. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia pusilla Gillies ex Hook. & Arn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia ramosissima Pohl ex DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia ramosissima var. hispida Wawra | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia rechingeri Ehrend. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia regelii Pojark. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia reiseri Halácsy ex Hayek | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia relbun Cham. & Schltdl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia requienii Duby | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia rezniczenkoana Litv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia richardiana Gillies ex Hook. & Arn. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia rigida (Vill.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia rigidifolia Pojark. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia rotundifolia Banks & Sol. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia rotundifolia Poir. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia rupestris Gardner | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia ruwenzoriensis Cortesi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia salicifolia H.S.Lo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia sativa Guadagno | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia scabra Salisb. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia scabra Kunth | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia scandens Zoll. & Moritzi | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia schugnanica B.Fedtsch. ex Pojark. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia schumanniana E.Pritz. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia schumanniana var. maillardii (H.Lév. & Vaniot) Hand.-Mazz. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia secunda Moon | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia sellowiana Cham. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia siamensis Craib | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia sikkimensis Kurz | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia sikkimensis var. yunnanensis Franch. ex Diels | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia sorotensis K. Schum. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Rubia splendens Hoffmanns. & Link | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia sylvatica (Maxim.) Nakai | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia sylvestris Mill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia syrticola Miq. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tatarica (Trevir.) F.Schmidt | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tatarica var. grandis F.Schmidt | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia techensis Raf. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tenuifolia d'Urv. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tenuifolia var. brachypoda (Boiss.) J.Thiébaut | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tenuifolia subsp. brachypoda (Boiss.) Ehrend. & Schönb.-Tem. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tenuifolia subsp. doniettii (Griseb.) Ehrend. & Schönb.-Tem. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tenuifolia var. stenophylla (Boiss.) J.Thiébaut | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tenuifolia subsp. stenophylla (Boiss.) Ehrend. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tenuifolia subsp. tenuifolia  | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tenuis H.S.Lo [Unplaced] | 
		Unresolved | 
		  | 
		WCSP | 
	
	
		| Rubia tenuis Larrañaga | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tetragona (Griseb.) K.Schum. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia thunbergii DC. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tibetica Hook.f. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tinctoria Salisb. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tinctorum L. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tinctorum var. iberica Fisch. ex DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tinctorum f. petiolaris Sommier & Levier | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tinctorum var. pubescens Ledeb. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia tinctorum var. sativa Pollini | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia trachyantha Boiss. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia transalaica O.Fedtsch. & B.Fedtsch. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia transcaucasica Grossh. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia trichocarpa H.S.Lo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tricornis Baill. [Illegitimate] | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia triflora Willd. ex K.Schum. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia truppeliana Loes. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia tuberculosa Benth. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia uruguayensis Arechav. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia ustulata Diels | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia valantioides Cham. & Schltdl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia velutina Nábelek | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia vera (L.) Baill. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia vilis Cham. & Schltdl. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia wallichiana Decne. | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Rubia walteri DC. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Rubia yunnanensis Diels | 
		Accepted | 
		  | 
		WCSP |