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Taxon Report     7681 About Calflora  
 

© 2006 Louis-M. Landry (CalPhotos)

 

 

© 2006 Chris Wagner, SBNF (CalPhotos)

Sonchus asper (L.) Hill ssp. asper
Sonchus asper ssp. asper, a dicot, is an annual herb that is not native to California; it was introduced from elsewhere and naturalized in the wild [Lum/Walker].

In the 2006 weed list, the California Invasive Plant Council (Cal-IPC) evaluated Sonchus asper ssp. asper but did not list it (plant assesment form).

Common names: Sow Thistle, prickly sow thistle
Communities: weed, species characteristic of disturbed places, introduced plant which is becoming naturalized, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Elevation: between 0 and 6234 feet Family: Asteraceae
Name Status:
Recognized as current in JM93 + ICPN
PLANTS: new name: Sonchus asper
Warning: this taxon is undergoing name changes.
 
Related names:See a list of other species in the genus Sonchus found in California.
See the more inclusive parent record Sonchus asper.
Distribution in California based on available records:
A shaded county indicates that there are one or more 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 the county), see the County Distribution Analysis for this plant.

 

  There are specimens from this county in an herbarium.
  There are documented observations, vouchered or confirmed by an expert.
  There are reported observations.
  There are reported observations available indirectly (eg. in botanical literature).
Records by County: Click county name to view records (numbers are approximate).
Information about  Sonchus asper ssp. asper  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 from USDA PLANTS (code = SOAS) Search efloras.org (Flora of North America)

Citation:
Calflora: Information on California plants for education, research and conservation. [web application]. 2010. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Feb 09, 2010).

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

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