Hieracium x, Peter

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 : 370

24. H. x niphostribes Peter , Bot. Jahrb. 5: 261 (1884)

( H. niphobium Naegeli & Peter , nom. illegit.; H. glaciale / lactucella ).

Like H. glaciale but with obvious stolons. Differs from ZZ. lactucella in having stellate hairs on the lower surface of the leaves and more numerous simple eglandular hairs on the involucral bracts. • Alps. Au Ga Ge He It.

H. x aletschense Zahn , Neue Denkschr. Schweiz. Ges. Naturw. 40: 251 (1906) ( H. glaciale / lactucella / peleteranum ). • S.W. & W.C. Alps. Ga He It.

H. x stellipilum Peter , Bot. Jahrb. 5: 458 (1884) ( H. triplex Peter ; H. glaciale / lactucella / pilosella ). • E. Alps. Au Helt.

H. x subrubens (Arvet-Touvet) Zahn in Koch, Syn. Deutsch. FI. ed. 3, 2: 1711 (1900) ( H.finalense Naegeli & Peter , H. salayense Zahn ; H. glaciale / peleteranum ). • S.W. & W.C. Alps. Ga HeIt.

H. xfaurei (Arvet-Touvet) Arvet-Touvet , Hier. Alpes Fr. 5 (1888) ( H. glaciellum Naegeli & Peter , H. hypoleucum Arvet-Touvet , H. poliocephalum (Naegeli & Peter) Schinz & Thell. ; ZZ. glaciale / pilosella ). • Alps. Au Ga He It.

H. x frigidarium Naegeli & Peter , Hier. Mittel-Eur. 1: 656 (1885) ( H. glaciale / piloselloides ). • Alps. Ga He It.