Crepis tectorum, L.

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 : 353

44. C. tectorum L. , Sp. Pl. 807 (1753).

Stems 6-100 cm. Leaves glabrous to tomentulose, sometimes glandular; basal up to 15 x 4 cm, rosulate, lanceolate to oblanceolate, acute, narrowed at base, denticulate, dentate or runcinate-pinnatifid or lyrate, pinnatisect or 2-pinnatisect, with remote, unequal, lanceolate to linear, acute lobes; lower cauline like the basal, the rest lanceolate or linear, sessile. Capitula sometimes in corymbs. Involucre up to 13 x 8 mm; bracts linear-lanceolate, more or less acute, the outer i as long as inner, appressed-hairy on inner face. Achenes (2-5-)3-4(-4-5) mm, dark purplish-brown, fusiform, strongly attenuate at apex, 10-ribbed. 2л = 8. Europe, except the islands, southwards to N.E. Spain, N. Italy, C. Jugoslavia and Krym. Au Be?Bu Cz Da Fe Ga Ge He Ho Hs Hu It Ju No Po Rm Rs (N, B, C, W, K, E) Su.

1 Stems(7-)12-100 cm; capitula usually numerous

(a) subsp. tectorum 1 Stems up to 30 cm; capitula 1-7

2 Basalleavesfew; involucre9 -12 mm (b) subsp. nigrescens 2 Basalleavesnumerous;involucre7 -9 mm (c) subsp.pumila