Sonchus arvensis var. arvensis – Treasures of the Boise Front

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Sonchus arvensis var. arvensis field or perennial sow-thistle

Asteraceae (Alt: Compositae )
invasive herbaceous
Distribution: Greenbelt
Bloom: Jul - Oct

UW Burke Herbarium Link: Sonchus arvensis var. arvensis
USDA Plants Link: Sonchus arvensis var. arvensis (SOARA2)

field or perennial sow-thistle (<em>Sonchus arvensis var. arvensis</em>) — field or perennial sow-thistle (Sonchus arvensis var. arvensis)