Canada's Plant Hardiness Site

Data Entry

Choose a species from the list below.

Email us if the plant you wish to report is not listed on the site, or to report any nomenclature errors.

family: Asteraceae

Sonchus arvensis field sowthistle,glandular sowthistle,corn sowthistle,perennial sowthistle
Sonchus arvensis subsp. arvensis field sowthistle,glandular sowthistle,corn sowthistle,perennial sowthistle
Sonchus arvensis subsp. uliginosus smooth sowthistle,marsh sowthistle,corn sowthistle,smooth perennial sowthistle
Sonchus asper rough sowthistle,prickly sowthistle,spiny sowthistle
Sonchus oleraceus milk thistle,annual sowthistle,common sowthistle
Sonchus palustris

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