Angiosperms: Dicotyledons
Asteraceae
Daisy Family
Flodman’s thistleCirsium flodmanii (Rydb.) Arthur
- Notes: Cirsium flodmanii is perennial and shorter than C. discolor (1’ to 2 1/2’ tall) with stems densely white-hairy. The leaves are smaller with many small lobes on the margins. The lower surfaces are very densely hairy and somewhat hairy on the upper surface as well. Heads are a little smaller. Flowering is from late June to early August, and fruiting begins in late July. C. flodmanii is common on dry, rocky, and sandy prairies and on Loess Hills prairies.
- Bibliography from Biodiversity Heritage Library
- Vascular Plants of Iowa
Can be found in these counties: