Centaurea jacea

Family (Traditional)Asteraceae
SpeciesCentaurea jacea L.
Common NameBrown knapweed, brownray knapweed, Wiesen-Flockenblume
Growth Habitforb
Plant NotesLeaf Persistance: Deciduous; Habit: forb; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Alternate; Simple/Compound: Simple;
Fruit Color: ;
*Average C-Value: 0.0
C value N/A
StatusNot Native; AGCP (FACU), EMP (FACU) (NWPL); KY[SNA] (State Rank); GNR (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim


No synonyms exist for this species.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Campbell (KY), Hardin (KY), Kenton (KY)

Herbaria represented by specimen data listed below: APSC, KNK

Range of years during which specimens were collected: 1978 - 1978

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31973000005466 Kenton Kentucky 21 Aug 1978 Applegarth, Patrick
Centaurea jacea
APSC0069508 Campbell Kentucky
Centaurea jacea
APSC0079420 Campbell Kentucky
Centaurea jacea
APSC0079423 Campbell Kentucky
Centaurea jacea
31973000005467 Campbell Kentucky 13 Aug 1978 Thieret, John
Centaurea jacea
APSC0076744 Hardin Kentucky
Centaurea jacea
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