Hieracium longifolium, Schleicher ex Froelich

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 : 384

108. H. longifolium Schleicher ex Froelich in DC., Prodr. 7: 229 (1838)

( H. alatumlvillosum ).

Like 106 but with longer, flexuous simple eglandular hairs throughout, those of the lower part of the stem up to 8 mm, those of the involucre 2-4 mm; stigmas yellow. • S. W. Alps. Ga He. Other species and groups in (vi):

H. fontanesianum Arvet-Touvet & Gaut. , Hier. Gall. Hisp. (Exsicc.) 20: no. 1590-1597 (1908) ( H. alatumlcolmeiroanum ). • C. Pyrenees. Ga.

H. gastonianum group ( H. alatumlsubsericeum ). 800-1500 m. • C. Pyrenees. Ga. (Including H. gastonianum Arvet-Touvet , Bull. Herb. Boiss. 5: 724 (1897). Ga.)

H. intertextum Arvet-Touvet , Essai Pl. Dauph. 45 (1871) ( H. alatumlschmidtii ). • 5. W. Alps. Ga.

H. loeflingianum Arvet-Touvet & Gaut. , Hier. Gall. Hisp. (Exsicc.) 19: no. 311 (1908) ( H. bourgaei / candidum ). • C. Pyrenees. Hs.

H. souliei group ( H. alatumlsubsericeum ). 1400-2150 m. • Pyrenees. Ga Hs. (Including H. souliei Arvet-Touvet & Gaut. , Hier. Gall. Hisp. (Exsicc.) 20: no. 1587-1588 (1908). Ga Hs.)

H. wilczekii Zahn in Ascherson & Graebner, Syn. Mitteleur. FI. 12(2): 238 (1935). • W. Switzerland (Vaud). He. (vii) Plant with very long simple eglandular hairs. Leaves more or less glaucous, rarely with small glandular hairs on margin; basal usually present; cauline (2—)3—13(—15). Capitula few. Peduncles long. Ligules usually glabrous, sometimes with a few short hairs at the apex. Stigmas yellow or discoloured. Achenes dark. Margins of receptacular pits fimbriate-dentate.