Prepared by Jennifer L. D’Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated February 2018.
Scientific name: Hieracium caespitosum Dumort.; old Hieracium pratense Tausch
Common name(s): meadow hawkweed, yellow hawkweed, field hawkweed, yellow paintbrush, devil’s paintbrush, yellow devil
Images: (to see enlargements [PC]: click on image, then right click and choose “view image”)
– generally flowers June to July in ME
– generally fruits July, August in ME
-can reach 1-2 feet tall
-mostly leafless stem
- basal untoothed leaves
- 2″-5″ long and 1/2″-7/8″ wide.
-Dandelion-like flower, orange-yellow, up to 1/2″ across.
– may be confused with H. praealtum, which has a slight bloom and few hairs on the upper leaf surface; see left sidebar of Go Botany webpage
-meadows and fields
-shores of rivers
-Native to Europe
Hansen, R.W., S.B. Hansen and E.A. Osgood. 1991. Reproductive phenologies of selected flowering plants in eastern Maine forests. ME Agric. Exp. Station Tech. Bull. 143. 17 pp.
Heinrich, B. 1976. Flowering phenologies: Bog, woodland, and disturbed habitats. Ecology. 57(5):890-899.
Go Botany. “Hieracium Caespitosum Dumort.” Hieracium Caespitosum (Yellow Hawkweed): Go Botany, 2021, gobotany.nativeplanttrust.org/species/hieracium/caespitosum/.