Plants of the San Marcos Foothills Preserve
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Sonchus oleraceus (Common Sow-thistle)
Common, non-native annual found throughout the Preserve, particularly in disturbed places and along trails. Flowers are yellow. Blooms late winter to spring.
Sonchus oleraceus (Common Sow-thistle). NON-NATIVE. Pictured in spring.
Sonchus oleraceus (Common Sow-thistle). NON-NATIVE. Pictured in spring.
Sonchus oleraceus (Common Sow-thistle). NON-NATIVE. Pictured in winter.
Sonchus oleraceus (Common Sow-thistle). NON-NATIVE. Pictured in spring. This photo shows the pointed lobes on the lower leaves compared to the rounded lobes on Sonchus asper.
Sonchus oleraceus (Common Sow-thistle). NON-NATIVE. Pictured in spring.
