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Project Noah Nature School
Purple flowers with very prickly, gray-green leaves and stems, 3-5 feet tall
Carduus nutans, with the common names Musk thistle, Nodding thistle, and ...
Black butterfly with yellow and blue markings.
Left pane, the reddish bloom of the thistle, Center pane, shows the 4 foot ...
Carduus pycnocephalus (common names include Italian thistle, Italian
Carduus nutans is usually a biennial, requiring 2 years to complete a ...
This thistle may exceed two meters in height and can form weedy monotypic ...
This thistle may exceed two meters in height and can form weedy monotypic ...
Musk thistles have large single purple flowers (actually, the big globe that ...
