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

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