Wildflowers - Field Sowthistle

Field Sowthistle, Marsh Sowthistle - Sonchus arvensis
Field Sowthistle, Marsh Sowthistle - Sonchus arvensis

NPS Photo by Jim Pisarowicz

 
Field Sowthistle leaves have sharp prickles on their lobed margins. Field Sowthistle's have very extensive root systems even in young plants.

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