Galium membranaceum SynonymySource: Marhold, K. (2011+): Rubiaceae (pro parte majore). – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Galium membranaceum Ehrend. in Ann. K. K. Naturhist. Hofmus. 56: 229. 1948ContentDistribution Bibliography Distribution ● Tu(A) Euro+Med endemicA: Turkey (Turkey, Asiatic part nativeA) Bibliography A. Davis, P. H. 1982: Flora of Turkey and East Aegean Islands 7