Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018. Scientific name: Cirsium pumilum Spreng.; old C. odoratum (Muhl. ex W. Bartram) Petr. Common name(s): pasture thistle, fragrant thistle Links: USDA PLANTS Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose “view