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mountaintop thistle
47%
Cirsium eatonii
Greene's thistle
37%
Cirsium inamoenum
bull thistle
37%
Cirsium vulgare
peregrine thistle
37%
Cirsium cymosum
wavy-leaf thistle
34%
Cirsium undulatum
dwarf thistle
31%
Cirsium drummondii
New Mexico thistle
30%
Cirsium neomexicanum
Douglas' thistle
30%
Cirsium douglasii
Canada thistle
30%
Cirsium arvense
meadow thistle
29%
Cirsium scariosum
Palouse thistle
29%
Cirsium brevifolium
camas
28%
Camassia quamash
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