Galium circae SynonymySource: Marhold, K. (2011+): Rubiaceae (pro parte majore). – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Galium circae Krendl, Bot. Chron. (Patras) 6/7: 70. 1988ContentDistribution Bibliography Distribution ● Gr Euro+Med endemicA: Greece nativeA Bibliography A. Strid, A. 1991: Mountain flora of Greece 2 [Strid, A. & Tan, K.]. – Edinburgh