Taxon  Report   11667 
Erigeron canadensis  L.
Canada horseweed
Erigeron canadensis
© 2010 Louis-M. Landry
Click on a photo to see it bigger.
Erigeron canadensis
© 2009 Neal Kramer
Erigeron canadensis
© 1995 Saint Mary's College of California
Erigeron canadensis, a dicot, is an annual herb that is native to California and is also found elsewhere in North America and beyond.

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Plant Characteristics
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Bloom Period
Erigeron canadensis
© 2005 Luigi Rignanese
Genus: Erigeron
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Distribution by County 

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Name Status:
Accepted by TJM2
PLANTS accepted name: Conyza canadensis var. canadensis
Alternate Names:
(according to)

TJM2: Conyza canadensis
More information about  Erigeron canadensis
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

website references from Google

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 22, 2018).

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