Vascular Plants of the Gila Wilderness
Presented in Association with the
Western New Mexico University Department
of Natural Sciences
Conyza canadensis (Linnaeus) Cronquist
(Horseweed)
Family: Asteraceae
Status: Exotic
Synonyms:
By var., see Allred
Conyza canadensis is a very common erect roadside annual. The small
white discoid flowers are terminal and axillary. Panicles of flowers may take up the
upper third of the plant. The leaves are mostly entire.
Please click on an image for a larger file.
Conyza canadensis, photo Russ Kleinman, Pinos Altos Range, Pinos Altos, July 23, 2007
Conyza canadensis, receptacle & achenes, photo Russ Kleinman, Pinos Altos Range, Pinos Altos, Oct. 12, 2007
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