Crepis nigrescens
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.
Crepis nigrescens in Trudy Bot. Sada Imp. Jur’evsk. Univ. 3(4): 231. 1902
Content
Bibliography
A. Hämet-Ahti, L., Suominen, J., Ulvinen, T. & Uotila, P. 1998: Retkeilykasvio, ed. 4. – Helsinki (as Crepis tectorum subsp. nigrescens)
B. Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press (as Crepis tectorum subsp. nigrescens)
F. Karlsson, T. & Thomas: Checklista över Nordens kärlväxter – http://linnaeus.nrm.se/flora/chk/chk3.htm (as Crepis tectorum subsp. nigrescens)