Hieracium prenanthoides

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 : 404

226. H. prenanthoides group. Stems 30-120 cm, with few to numerous stellate hairs, few to numerous glandular hairs and few to numerous simple eglandular hairs. Leaves 1O-3O(-5O), 30-140 x 8-35 mm, with few to numerous simple eglandular hairs 0-5-1 (-2) mm, the lowermost leaves withering early, the remainder gradually decreasing in size upwards, lanceolate to ovate or oblong-lanceolate, often more or less panduriform, more or less acute or acuminate, subentire to more or less dentate; lower cauline attenuate into a short petiole, the upper often cordate- auriculate and sometimes with stellate hairs beneath. Inflorescence-branches leafy; peduncles rather short, arcuate, with more or less dense stellate hairs, numerous glandular hairs and sometimes a few simple eglandular hairs. Involucre (7-)8-12(-13)x 6-8 mm; bracts with few (rarely numerous) stellate hairs, numerous glandular hairs and few or no simple eglandular hairs. 2« = 27, 36. Throughout Europe, except the south. Au Br Bu Cz Da Fe Ga Ge Hb He Hs Is It Ju No Po Rm Rs (N, C, W) Su. Included species:

H. bupleurifolium Tausch , Flora (Regensb.) 11 (Ergänz. 1): 74 (1828). N., C. & E. Europe. Au Bu Cz Da Fe Ga He It Ju Po Rm Rs (C, W) Su.

H. hoegeri (Zahn) P. D. Sell & C. West, Bot. Jour. Linn. Soc. 71: 263 (1976) ( H. prenanthoides subsp. hoegeri Zahn ). Au Cz Ge He Rm.

H. lanceolatum Vili. , JTZsi. Pl. Dauph. 3: 126 (1788). Au Cz Ga Ge He Hs Ju Po Rm.

H. perfoliatum Froelich in DC., Prodr. 7: 211 (1838). Alps', Appennini; Carpathians. Au Cz Ga He It Ju Rm.

H. prenanthoides Vili. , Prosp. Pl. Dauph. 35 (1779). S.W Alps; Britain, N.E. Ireland. Br Ga Hb It.