Verify with 🔍︎ images.
Also called marsh thistle, although do not confuse with similar-named sister-species 🇪🇺 ♒︎ European swamp thistle Cirsium palustre which is also sometimes called that.
Part of plume thistle genus Cirsium in aster / daisy / 🌻︎ sunflower family Asteraceae.
Native to 🇨🇦 Canada and 🇺🇸 USA, east of the 🗻︎ Rocky Mountains. ▭ 🌎︎ Map by county (🇺🇸 USA-48) (colors).
Uses by native peoples(Ethnobotany database)
Bloom dates (NE Illinois). (page 2) (🔒︎ Wild Ones members only)
🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Michigan Flora Minnesota Wildflowers Missouri Plants Flora of North America USDA PLANTS db Wikipedia
🏠︎ 🇪🇺 ♒︎ European swamp thistle Cirsium palustre