Crepis albida, Vili.

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 : 349

19. C. albida Vili. , Prosp. Pl. Dauph. 37 (1779).

Stems 1-3, 3-55(-7O) cm, simple or with 1-3 long branches. Basal leaves 5-28 x 1 -5-8 cm, numerous, oblanceolate, lanceolate or narrowly elliptical, narrowed into a winged petiole; cauline few, lanceolate to linear, sessile. Capitula 1-4. Involucre 10-20 x 10-20 mm; bracts tomentose, or with short yellowish, glandular hairs, or glabrous, pubescent on the inner face towards apex with whitish or yellowish, silky, appressed hairs, the outer in 2 or 3 imbricate rows and |- |(- |) as long as inner. Achenes 9-18 mm, pale yellowish to brown, fusiform, more or less attenuate to the slightly swollen apex, c. 15-ribbed. Rock-crevices and cliffs; usually calcicole. S. W. Europe. Ga Hs It. The following subspecies are sometimes very distinct, but they are all connected by intermediates. 1 Stems (15-)35-55(-70) cm, branched 2 Involucrec.10 mm wideatmiddle; innerbractsc.15 mm;

achenes reddish-brown (e) subsp. macrocephala 2 Involucre 12-18 mm wide at middle; inner bracts 16-22 mm;

achenes yellowish or yellowish-brown (f) subsp. longicaulis 1 Stems 3-30(-40) cm, usually simple 3 Leaves obscurely petiolate, elliptical, obovate or oblanceolate,

usually with thick tomentum on both surfaces, without simple or glandular hairs, rarely glabrous

(d) subsp. scorzoneroides 3 Leaves obviously petiolate, oblanceolate to lanceolate, ±

glandular-hairy, often tomentulose, sometimes stellatehairy, rarely glabrous 4 Outerinvolucralbractslanceolate;innerbractsacuminate or filamentous at apex (c) subsp. grosii 4 Outerinvolucralbractsovate,ovate-lanceolateor lanceolate; inner bracts obtuse, acute or acuminate 5 Anther-tube 4-5 mm; appendages 0-5 mm; plant not suffrutescent (a) subsp. albida 5 Anther-tube (4-)5-6 mm; appendages 1 mm; plant suffrutescent (b) subsp. asturica