Taxon  Report   9822 
Conyza canadensis  (L.) Cronquist  var. canadensis   (not an active name)
Canadian horseweed
Conyza canadensis var. canadensis
© 2010 Louis-M. Landry
CalPhotos: click on a
photo to see it bigger
Conyza canadensis var. canadensis, a dicot, is an annual herb that is native to California.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations
Conyza canadensis var. canadensis
© 2010 Louis-M. Landry
Family: ASTERACEAE  
Genus: Conyza
Parent Record Conyza canadensis
Distribution by County 

Add an Observation of  Conyza canadensis var. canadensis

Name Status:
Accepted by PLANTS
Alternate Names:
(according to)

PLANTS: Leptilon canadense
NOTE: Conyza canadensis var. canadensis is not an active name in the Calflora species table.
More information about  Conyza canadensis var. canadensis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Photos on CalPhotos / Google Images
website references from Google

Records from the Consortium of California Herbaria

USDA PLANTS Profile (COCAC3)

Search the International Plants Names Index

Search efloras.org (Flora of North America)

Search the Lady Bird Johnson Wildflower Center


Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: May 06, 2016).

The information on this page comes from diverse sources. None of the links are sponsored.