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common sow-thistle
Sonchus oleraceus
Sonchus oleraceus
common sow-thistle Aster Family
Sonchus oleraceus Asteraceae
common name
  common sow-thistle
accepted scientific name
  Sonchus oleraceus L.
rules for finding collection records
  Sonchus oleraceus (204)
family name
  • Asteraceae
Image Author: ©2004 Anthony Valois and the National Park Service
Image License: public domain
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is .75 to 1.25 inches
Leaf: Alternate
Plant Observed All Year
Native to Europe. Naturalized in Hawaii.

How Likely at this Location (32%)
Name Match (100%)
Plant Showiness (54%)
Not Native
where plant found
mag select

grid lines base


Accepted Scientific Name

Sonchus oleraceus   L.   (TSN: 38427, Index: 262)

Scientific Names used to access collection records

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Common Names

To remove a name, make the line blank. To add multiple names on one line put a comma between them. Do not capitalize the words in common names unless they are a person or place. (Bad: Pink Rose) (Good: Pink's rose)

Family Names