Canada's Plant Hardiness Site

Asteraceae daisy family
Cirsium carolinianum (Walter) Fernald & B.G.Schub.
En: Carolina thistle, soft thistle, smallhead thistle, purple thistle;
Fr:

• [=Carduus carolinianus Walter – basionym]
• [=Carduus flaccidum Small]
• [=Cirsium flaccidum (Small) Petr.]