Hieracium umbellatum subsp. bichlorophyllum
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 umbellatum subsp. bichlorophyllum in Watsonia 6: 313. 1967
Content
Bibliography
B. Perring, F. H. 1968: Critical supplement to the Atlas of the British flora. – London, etc. (as Hieracium bichlorophyllum)
C. Scannell, M. J. P. & Synnott, D. M. 1987: Census catalogue of the flora of Ireland, ed. 2. – Dublin (as Hieracium bichlorophyllum)