Taxon  Report   119 
Ageratina occidentalis  (Hook.) R. King & H. Robinson
Western eupatorium,  Western joepiweed, Western snakeroot
Ageratina occidentalis
© 2009 Julie Kierstead Nelson
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Ageratina occidentalis
© 2010 Ron Wolf
Ageratina occidentalis
© 2010 Ron Wolf
Ageratina occidentalis, a dicot, is a perennial herb that is native to California and is also found outside of California, but is confined to western North America.

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Plant Characteristics
and Associations

Bloom Period
Ageratina occidentalis
© 2003 Christopher L. Christie
Genus: Ageratina
Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Redwood Forest, Douglas-Fir Forest
Distribution by County 

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Name Status:
Accepted by TJM2 + PLANTS + JM93
Alternate Names:
(according to)

PLANTS: Eupatorium occidentale
More information about  Ageratina occidentalis
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

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]. 2016. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Oct 22, 2016).

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