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Canada Thistle Cluster
a fuzzy purple flower with many buds
Circium arvense - invasive;
Alternate names: Creeping thistle, field thistle;
Blooms June - July;
Despite the name, this thistle is native to Europe and is a common invasive plant across the US. This plant is considered invasive in other parts of the world as well. It is visually similar to other invasives (such as bull thistle) and native thistles (such as wavyleaf thistle).
U.S. National Park Service
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Wind Cave National Park, Code: WICA
Wind Cave National Park, Custer County, South Dakota
Latitude: 43.5802993774414, Longitude: -103.439002990723
Latitude: 43.5802993774414, Longitude: -103.439002990723
7/16/2010 12:43:12 PM
Public Can View
Sunday, July 12, 2020 10:24:39 AM
Sunday, July 12, 2020 10:24:39 AM
92D0FD4D-155D-4519-3E92A304D9B1BFD8.jpg
Monday, January 1, 0001 12:00:00 AM
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3.5 MB
Scenic