Index / Search / Centaurea nigrescens
§1 Plant
Centaurea nigrescens Willd.
vernacular Tyrol knapweed — species · Asteraceae
§2Habit & range
Habit and range
- Growth habit
- Forb/herb
- Duration
- Perennial
- Group
- Dicot
- Family
- Asteraceae Bercht. & J. Presl
- Genus
- Centaurea
§2a
Native status, by region
- CAN Canada Introduced
- L48 Lower 48 States Introduced
§2b
County-level range
· 107 counties across 16 states/territories§3Cultivation
No cultivation specs.
USDA has not characterised this taxon. Roughly four out of five plants in the database lack the detailed cultivation record present here — typically because they have not been the focus of NRCS Plant Materials work. Range and distribution data are unaffected.
§4Counties, by state
Recorded in 107 counties across 16 states/territories.
District of Columbia view state ↗ 1 I ▾
Illinois view state ↗ 5 I ▾
Indiana view state ↗ 2 I ▾
Maine view state ↗ 1 I ▾
Massachusetts view state ↗ 7 I ▾
Michigan view state ↗ 17 I ▾
Montana view state ↗ 3 I ▾
New Hampshire view state ↗ 2 I ▾
New Jersey view state ↗ 12 I ▾
New York view state ↗ 21 I ▾
- Bronx 36005
- Columbia 36021
- Dutchess 36027
- Genesee 36037
- Herkimer 36043
- Kings 36047
- Livingston 36051
- Monroe 36055
- Nassau 36059
- New York 36061
- Niagara 36063
- Orange 36071
- Putnam 36079
- Queens 36081
- Rensselaer 36083
- Richmond 36085
- Rockland 36087
- Suffolk 36103
- Tompkins 36109
- Ulster 36111
- Westchester 36119
North Carolina view state ↗ 1 I ▾
Pennsylvania view state ↗ 12 I ▾
Tennessee view state ↗ 1 I ▾
Vermont view state ↗ 2 I ▾
Virginia view state ↗ 14 I ▾
West Virginia view state ↗ 6 I ▾
§5Sources & provenance
USDA PLANTS
Symbol, taxonomy, distribution, cultivation specs, native status. Public domain.
plants.usda.gov/CENI3 ↗GBIF Backbone
Canonical taxonomic identity, synonym resolution, cross-refs. CC0.
gbif.org/species/3128228 ↗Record version
Cached and built locally. Source version on this record:
usda-plants-mt-2026-05-26
fetched 2026-05-26T07:25:30Z