Asperula cynanchica var. glauca Vayr. variety synonym

Asperula cynanchica var. maritima Lange variety synonym

Asperula cynanchica var. tenuissima Rouy variety synonym

Asperula aristata f. macrosiphon (Lange) Jiménez Mun. form synonym

Asperula papillosa var. aranica Sennen variety synonym

Asperula pyrenaica var. ansotana (P.Monts. & L.Villar) L.Villar variety synonym

Asperula kerneri Procupiu ex O.Deg. species synonym

Asperula heteroclada Hausskn. species synonym

Asperula bazargiciensis Prodan species synonym

Asperula cynanchica subsp. neglecta (Guss.) Arcang. subspecies synonym

Asperula cynanchica f. densiflora Velen. form synonym

Asperula neglecta Guss. species synonym

Asperula nitens Guss. species synonym

Asperula cynanchica L. species synonym

Asperula cynanchica var. ebusitana O.Bolòs & Vigo variety synonym

Asperula minor Gray species synonym

Asperula arenicola Reut. species synonym

Asperula alpina M.Bieb. species synonym

Asperula collina Salisb. species synonym

Asperula cynanchica subsp. capillacea (Lange) Rouy subspecies synonym

Asperula cynanchica var. brachysiphon (Lange) O.Bolòs & Vigo, 1983 variety synonym

Asperula cynanchica var. ansotana P.Monts. & L.Villar variety synonym

Asperula alpigena Schur species synonym

Cynanchica tenuifolia Fourr. species synonym

Asperula cynanchica var. alpina (M.Bieb.) Boiss. variety heterotypic synonym

Asperula rubeola Gratel. species synonym

Asperula macroclada A.Huet species synonym

Asperula multiflora Lapeyr. species synonym

Asperula tenuiflora Jord. species synonym

Asperula aristata var. brachysiphon Lange variety synonym

Asperula semiamicta Klokov species synonym

Asperula subalpina Schur species synonym

Asperula capillacea (Lange) R.Vilm. ex Kerguélen species synonym

Galium cynanchicum (L.) Scop. species synonym

Asperula cynanchica subsp. occidentalis (Rouy) Stace subspecies synonym

Asperula occidentalis Rouy species synonym

Asperugalium occidentale (Rouy) P.Fourn. species synonym

Asperula cynanchica subsp. cynanchica subspecies synonym

Asperula occidentalis var. cynanchiciformis Rouy variety synonym

Asperula graveolens var. pirotica Adamovic variety synonym

Asperula cynanchica var. bifolia N.H.F.Desp. variety synonym

Asperula cynanchica var. tenuiflora (Jord.) Nyman variety synonym

Asperula neglecta var. nitens (Guss.) Nyman variety synonym

Asperula cynanchica var. tenuiflora (Jord.) St.-Lag. & Cariot variety synonym

Asperula cynanchica var. psammophila P.Monts. variety synonym

Asperula cynanchica var. scabrida Freyn variety synonym

Asperula trabutii Sennen species synonym

Asperula cynanchica f. girbaui Sennen form synonym

Asperula cynanchica var. multiflora (Lapeyr.) Nyman variety synonym

Asperula aristata var. macrosyphon Lange variety synonym

Asperula cynanchica var. arenicola (Reut.) Nyman variety synonym

Asperula cynanchica var. densiflora Gren. variety synonym

Asperula cynanchica var. capillacea Lange variety synonym

Asperula cynanchica subsp. brachysiphon (Lange) O.Bolòs & Vigo subspecies synonym

Cynanchica pyrenaica subsp. neglecta (Guss.) P.Caputo & Del Guacchio subspecies accepted

Cynanchica pyrenaica subsp. cynanchica (L.) P.Caputo & Del Guacchio subspecies accepted

Cynanchica pyrenaica subsp. pyrenaica subspecies accepted

Cynanchica pyrenaica subsp. occidentalis (Rouy) P.Caputo & Del Guacchio subspecies accepted

Asperula cynanchica var. heterophylla DC. variety synonym

Asperula occidentalis var. galiiformis Rouy variety synonym

Asperula cauviniae N.H.F.Desp., 1838 species synonym

Asperula cynanchica var. arenicola (Reut.) Rouy variety synonym

Asperula rubeola Lam. species synonym

Asperula cynanchica var. hirsuta Heuff. variety synonym

Asperula cynanchica var. brachysiphon (Lange) Briq. & Cavill. variety synonym

Asperula capillacea (Lange) R.Vilm., 1975 species synonym

Asperula cynanchica f. cynanchica form synonym

Asperula semiaristata Klokov species synonym

Asperula cynanchica var. australis (Jord.) Rouy variety synonym

Asperula cynanchica var. pseudotinctoria Rouy variety synonym

Asperula kerneri Procupiu species homotypic synonym