This name is a synonym.
* Galium hypnoides Vill., Hist. Pl. Dauphiné 2: 323 (1787).
Galium pusillum var. hypnoides (Vill.) Gren. in J.C.M.Grenier & G.Gordon, Fl. France 2: 36 (1850).
Galium tenue var. hypnoides (Vill.) Cariot & St.-Lag. in A.Cariot, Étude Fl., éd. 8, 2: 394 (1889).
Galium pumilum f. hypnoides (Vill.) Rouy in G.Rouy & J.Foucaud, Fl. France 8: 37 (1903).
Galium pusillum subsp. hypnoides (Vill.) O.Bolòs & Vigo, Collect. Bot. (Barcelona) 14: 100 (1983).
* Basionym/Replaced Synonym