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Cirsium tioganum var. coloradense
Cirsium tioganum var. coloradense
(Rydb.) Dorn
Family:
Asteraceae
Colorado thistle
[
Carduus coloradensis
Rydb.,
more
Cirsium coloradense
(Rydb.) Cockerell
]
Resources
Open Interactive Map
Muriel M. Norman
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73 Total Images