Browse Plants by Genus: Cirsium
Cirsium cymosum
peregrine thistle
Cirsium peckii
Steens Mountain thistle
Cirsium arvense
Canada thistle
Cirsium brevistylum
short styled thistle
Cirsium edule
Indian thistle
Cirsium undulatum
wavyleaf thistle
Cirsium scariosum
elk thistle
Cirsium canovirens
gray-green thistle
Cirsium occidentale
snowy thistle