Taxon  Report   7681 
Sonchus asper  (L.) Hill  ssp. asper 
Prickly sow thistle,  Sow thistle

Sonchus asper ssp. asper
© 2006 Chris Wagner, SBNF
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.

 Interactive Distribution Map 

 Observation Hotline 
 (observation details + photos)

point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
 and Associations

Bloom Period
Sonchus asper ssp. asper
© 2008 Keir Morse
Genus: Sonchus
Parent Record Sonchus asper.
weed, characteristic of disturbed places, wetland-riparian
Habitat: disturbed [Walker]
Wetlands:Equally likely to occur in wetlands or non wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Sonchus asper ssp. asper

Name Status:
Accepted by TJM2 + JM93
 More information about  Sonchus asper ssp. asper

Photos on CalPhotos / Google Images

website references on Google

UC Integrated Pest Management Weed Photo Gallery
(profile of this plant as an agricultural weed)

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 27, 2015).

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

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