Photo of Canada Thistle (Cirsium arvense) uploaded by SongofJoy

Other Photos
Location: Huron County, MI Date: 2020-07-27 ffo
Location: Old Faithful Observation Point Trail, Yellowstone National Park Date: 2022-08-26
Location: Longwood Gardens, Kennett Square, Pennsylvania USA Date: 2019-09-14 Meadow Garden Invasive
Location: Oxfordshire, England Date: 2017-08-07 Seed caught on daylily
Location: Morpeth, Northumberland UK Date: 2023-08-08
Location: Morpeth, Northumberland UK Date: 2023-06-13
Location: Banff, Canada (Minnewakee lake, spelling is probably wrong) | August, 2022 Date: 2022-08-02
Location: Rock Creek, BC Date: 2016-07-29
Location: My Gardens Date: Late Summer 2006 Flower Detail
Location: Hohe Tauern - Austria Date: 2018-07-22
Location: Hohe Tauern - Austria
Location: Morpeth, Northumberland UK Date: 2023-06-27
Location: Columbus, Ohio USA, Zone 6b Date: 2017-06-27
Photo: MPF
Photo by SongofJoy
Location: Columbus, Ohio USA, Zone 6b Date: 2017-06-27
Location: Banff, Canada (Minnewakee lake, spelling is probably wrong) | August, 2022 Date: 2022-08-02
Location: Columbus, Ohio USA, Zone 6b Date: 2017-06-27
Photo by SongofJoy
Photo by SongofJoy
Photo by SongofJoy
photo credit: H. Zell
Location: Indiana Zone 5 Date: 2010-07-12 several insects visit this invasive weed
Photo: Rasbak at nl.wikipedia
Photo by SongofJoy
Location: Rock Creek, BC Date: 2016-07-29 Going to seed in the wild
photo credit: H. Zell
photo credit: H. Zell
Location: Natural Area in Northeastern Indiana Date: Sep 28, 2011 1:19 PM
Location: On a waste land, Gent, Belgium Date: 2012-07-10
Date: July credit: Ivar Leidus
Location: Cedarhome, Washington Date: 2014-04-16 Emerging in spring
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