Cirsium horridulum (Yellow Thistle) is a species of annual herb in the family Asteraceae. They are native to The Contiguous United States and Eastern North America. They have achenes. Flowers are visited by Osmia chalybea, Palamedes Swallowtail, Cloudless Sulphur, and Protographium marcellus.
EOL has data for 17 attributes, including: