Asperula littoralis SynonymySource: Marhold, K. (2011+): Rubiaceae (pro parte majore). – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.Asperula littoralis Sibth. & Sm., Fl. Graec. Prodr. 1: 89. 1806ContentDistribution Bibliography Distribution ● Tu(A E) Euro+Med endemicA: Turkey (Turkey, Asiatic part nativeA, Turkey-in-Europe nativeB) Bibliography A. Davis, P. H. 1982: Flora of Turkey and East Aegean Islands 7 B. Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press