Nomenclature

Picris Linnaeus, Sp. Pl. 2: 792. 1753.

List of Picris Species

References to Picris

• Klemow, K. M.; Raynal, D. J. 1985 . Demography of two facultative biennial plant species in an unproductive habitat.
• McMullen, J. M. 2002 . Bitterweed (Picris hieracioides L.)- an abundant but often overlooked species. New York Flora Association Newsletter 13: 6-7.
• Samuel, R. et.al. 2003 . Phylogenetic relationships among species of Hypochaeris (Asteraceae, Cichorieae) based on ITS, plastis TRNL intron, TRNL-F spacer, and MATK sequences. Amer. J. Bot. 90: 496-507.