An Alpine Thistle (Cirsium scopulorum), one of the few species of thistle that is not invasive, growing in the Colorado Rockies

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An Alpine Thistle (Cirsium scopulorum), one of the few species of thistle that is not invasive, growing at the 10,600-foot level in the Colorado Rockies.

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Size: 2832px × 4256px
Location: Yankee Hill Trail, St. Mary's, Colorado, USA
Photo credit: © Ken Barber / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: alpine, cirsium, scopulorum, thistle, wildflower