San Diego Natural History Museum. SDNHM. Year: 2015.   cc-by-nc-sa-3.0

Sonchus asper (Spiny Sowthistle) is a species of annual herb in the family Asteraceae. They have a self-supporting growth form. They are native to Africa, Europe, and Asia. They have simple, broad leaves. Flowers are visited by Syritta pipiens, Cheilosia bergenstammi, Monarch, and Common Banded Hoverfly. Individuals can grow to 0.45 m.

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EOL has data for 26 attributes, including:

Known occurrences, collected specimens and observations of spiny sowthistle. View this species on GBIF