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
Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)
-sweet smelling forb
-leaves are basal, alternate and deeply lobed
-spines and fine bristles
-head 1 1/2″-2″ wide
-purple disk flowers
– can reach up to 1′-3′ tall
-may be confused with C. muticum; see left sidebar of Go Botany webpage
-fields and meadows
Go Botany. “Cirsium Pumilum (Nutt.) Spreng.” Cirsium Pumilum (Pasture Thistle): Go Botany, 2020, gobotany.nativeplanttrust.org/species/cirsium/pumilum/.
Wisconsin State University. “Cirsium Pumilum Var. Hillii.” Online Virtual Flora of Wisconsin , Wisconisn State Herbarium, wisflora.herbarium.wisc.edu/taxa/index.php?taxon=12920.