Galium incanum subsp. incanum

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1976, Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae), Cambridge University Press : 29

(a) Subsp. incanum :

Stems 4-10(-15) cm, erect or ascending. Leaves 4-10x0-5-0-8 mm, linear to linear-lanceolate, acute, shining, sparsely hairy or glabrescent. Corolla c. 2 mm. Fruit glabrous. 2л=44. Greece.