Crepis biennis is a European species of flowering plant in the family Asteraceae with the common name rough hawksbeard.[1] It is native to Europe and Asia Minor, as well as being sparingly naturalized in scattered locations in the northeastern United States and on the island of Newfoundland in eastern Canada.[2][3][4]
Crepis biennis is a perennial herb up to 120 cm (48 inches) tall. One plant can produce as many as 14 small flower heads, each with up to 100 yellow ray florets but no disc florets.[1]
^ abFlora North America, Rough hawksbeard, Crepis biennis Linnaeus, Sp. Pl. 2: 807. 1753.
^Altervista Flora Italiana, Radicchiella dei prati, Wiesen-Pippau, skånefibbla, Crepis biennis L. includes photos and European distribution map
^Biota of North America Program 2014 state-level distribution map
^Groot streepzaad, Wilde planten in Nederland en Belgie Archived 2016-03-06 at the Wayback Machine in Dutch with photos and distribution map
Crepisbiennis is a European species of flowering plant in the family Asteraceae with the common name rough hawksbeard. It is native to Europe and Asia...
through October feeding on nectar of Asteraceae species, mainly of Crepisbiennis and Leucanthemum species. Their larvae are endoparasites of small solitary...
can be encountered feeding on nectar of flowers of various plants (Crepisbiennis, Papaver rhoeas, etc). Their larvae are endoparasites of small solitary...
common Conyza canadensis - introduced, common Crepis czerepanovii - rare Crepis paludosa - common Crepis tectorum - common Erigeron acris - common Erigeron...
(Compton) B.Nord. indigenous, near endemic Genus Crepis: Crepis capillaris (L.) Wallr. not indigenous Crepis hypochaeridea (DC.) Thell. not indigenous, invasive...
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