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© 2008 Jorg Fleige (CalPhotos)

 

Conyza bonariensis (L.) Cronq.
Conyza bonariensis, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild.
Common names: Horseweed, South American horseweed, asthmaweed, flax leaved fleabane
Elevation: between 0 and 3281 feet Family: Asteraceae
Name Status:
Recognized as current in JM93 + ICPN + PLANTS
 Synonyms:
PLANTS: Erigeron bonariensis
PLANTS: Erigeron crispus
PLANTS: Erigeron linifolius
PLANTS: Leptilon bonariense
PLANTS: Leptilon linifolium
Related names:See a list of other species in the genus Conyza found in California.
Distribution in California from available records:
A shaded county indicates that there are one or more 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.
 

    For a distribution map based on other criteria (eg. more than one record within a county), see the County Distribution Analysis for this plant.

 

  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: Click county name to view records (numbers are approximate).
Information about  Conyza bonariensis  from other sources:
Photos on CalPhotos / Picasa / Flickr

Photos or website references on Google

USDA PLANTS Profile (COBO)

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

1993 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)

    Citation:
    Calflora: Information on California plants for education, research and conservation, based on data contributed by the Consortium of Calif. Herbaria and dozens of other public and private institutions and individuals.
    [web application]. 2010. Berkeley, California: The Calflora Database [a non-profit organization]. Available: http://www.calflora.org/   (Accessed: Sep 09, 2010).

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

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