Hieracium umbrosum subsp. acrotephrophorum

Hieracium umbrosum subsp. acrotephrophorum

Synonymy

Source: Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Hieracium umbrosum subsp. acrotephrophorum (Zahn) Zahn in Engler, Pflanzenr. 77: 791. 1921
  • Hieracium integrifolium subsp. acrotephrophorum Zahn in Schinz & Keller, Fl. Schweiz, ed. 3, 2: 480. 1914

Distribution

He It 

Euro+Med endemic: Italy, with San Marino and Vatican City nativeA,B; Switzerland nativeA,C

Bibliography

A. Ascherson, P. F. A. & Graebner, K. O. R. P. P. 1936–1938: Synopsis der mitteleuropäischen Flora 12(3) [Zahn, K. H.]. – Leipzig
B. Fiori, A. 1925–1929: Nuova flora analitica d’Italia 2. – Firenze (as Hieracium umbrosum f. acrotephrophorum)
C. Schinz, H. & Keller, R. 1914: Flora der Schweiz, ed. 3, 2. – Zürich (as Hieracium integrifolium subsp. acrotephrophorum Zahn)