*Centaurea jacea Linnaeus. Common name: Brown Knapweed. Phenology: Jun-Sep. Habitat: Roadsides, disturbed areas. Distribution: Native of Europe. This species is increasing rapidly in the VA Ridge and Valley. Reported for Alleghany County, NC (Poindexter, Weakley, & Denslow 2011).
Origin/Endemic status: Europe
Synonymy ⓘ: = C, F, FNA19, G, Il, K4, Mi, NE, NY, Oh3, Pa, SE1, Tat, Va; = Jacea pratensis Lam.; = n/a — RAB; > Centaurea jacea L. ssp. jacea — POWO, and likely other subspecies as well
Links to other floras: = Centaurea jacea - FNA19
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU
- Eastern Mountains and Piedmont: FACU
- Great Plains: FACU
- Midwest: FACU
- Northcentral & Northeast: FACU
Heliophily ⓘ: 9
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