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© 1998 Gary A. Monroe (CalPhotos)
Ageratina occidentalis (Hook.) R. King & H. Robinson Family: Asteraceae  
Common names: Western Eupatorium, western joepiweed, western snakeroot
Name Status:
Recognized as current in JM93 + ICPN + PLANTS
Synonyms:
PLANTS + XWALK: Eupatorium occidentale

Related names:
See a list of other species in the genus Ageratina found in California.

Communities: Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Redwood Forest, Douglas-Fir Forest
Elevation: between 6500 and 11000 feet   [Calflora 2004 (ft.)]
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 [Lum/Walker].

Distribution in California based on observations in the Calflora Plant Observation Library:
A shaded county indicates that there are one or more observations of this plant within the county.

Hover the mouse over the map to see county names, and click on a county to view observations from that county.
 

    For a distribution map based on stricter criteria (more than one observation or more than one source within the county), see the County Distribution Analysis for this plant.

 
  There are specimens from this county in an herbarium. Specimens have the highest reliability of identification.
  There are documented observations, vouchered or confirmed by an expert.
  There are reported observations.
  There are reported observations in this county available indirectly (eg. published in botanical literature).

      Include map with points
Information about  Ageratina occidentalis  from other sources:
Photos on CalPhotos / Picasa / Flickr 1993 Jepson Manual Treament from the UC Jepson Herbaria
Photos or website references on Google Original Publication citation. on the International Plants Names Index
PLANTS profile (code=AGOC2) from USDA PLANTS Search efloras.org (Flora of North America)
Nursery availability and horticultural links on CNPLX (California Native Plant Link Exchange)

Citation:
Calflora: Information on California plants for education, research and conservation. [web application]. 2009. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Dec 28, 2009).

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

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