Sonchus asper
(L.) Hill
ssp. asper
Prickly sow thistle, Sow thistle
Sonchus asper ssp. asper is an annual herb that is not native to California.
Bloom Period
The blue points on the map indicate observations in Calflora.
Click on the map to view observations within a specific county.
Click on the map to view observations within a specific county.
Arid West: Equally likely to occur in wetlands and non wetlands
Mountains, Valleys and Coast: Occurs usually in non wetlands, occasionally in wetlands
disturbed
wetland-riparian, weed, characteristic of disturbed places
