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Ambrosia psilostachya
© 2011 Aaron Arthur
Ambrosia psilostachya
© 2011 Aaron Arthur
more photos on CalPhotos
Ambrosia psilostachya  DC.
Ragweed, western ragweed
Ambrosia psilostachya, a dicot, is a perennial herb that is native to California and is also found elsewhere in North America and beyond.
Communities: weed, species characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Elevation: between 0 and 3281 feet
Family: ASTERACEAE  
Related:See a list of other species in the genus Ambrosia found in California.
Name Status:
Accepted by TJM2 + PLANTS + JM93
Other Names:
PLANTS: Ambrosia californica
PLANTS: Ambrosia coronopifolia
PLANTS: Ambrosia cumanensis
PLANTS: Ambrosia psilostachya var. californica
PLANTS: Ambrosia psilostachya var. coronopifolia
PLANTS: Ambrosia psilostachya var. lindheimeriana
PLANTS: Ambrosia rugelii




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Distribution by County: See a detailed   Distribution Grid  of this plant in California.
A shaded county indicates that there are ocurrence records of this plant within the county.

Hover the mouse over the map to see county names. Click to view records from that county.
 

  There are specimen records from this county in an herbarium.
  There are documented records, vouchered or confirmed by an expert.
  There are reported records.
  There are reported records available indirectly (eg. in botanical literature).
Records by County, with approximate record counts in the form: TOTAL / CCH.   Click county name to view records.
    CCH: records provided by the participants of the Consortium of California Herbaria.
 Information about  Ambrosia psilostachya  from other sources:
Photos on Picasa / Flickr / Google Images

website references on Google

USDA PLANTS Profile (AMPS)

Nursery availability and horticultural info (what grows with this plant?) on CNPLX

2012 Jepson Manual Treament from the Jepson Herbarium,
University of California, Berkeley

Original Publication citation. on the International Plants Names Index

Search efloras.org (Flora of North America)

Search the Lady Bird Johnson Wildflower Center Native Plant Database

    Citation
    Calflora: Information on California plants for education, research and conservation, based on data contributed by dozens of public and private institutions and individuals, including the Consortium of Calif. Herbaria. [web application]. 2013. Berkeley, California: The Calflora Database [a non-profit organization]. Available: http://www.calflora.org/   (Accessed: May 22, 2013).

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

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