Centaurea solstitialis

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Legend for Species Pages

Yellow Starthistle

Centaurea solstitialis L.
  • Moss, Flora of Alberta – Rare
  • Global Invasive Species Database – Yes[1]
  • NatureServe Rank – High
  • Haber, Upland – No
  • Haber, Wetland – No
  • CWF, Status & Invasive Range – No
  • Alberta Revegetation Guidelines – No
  • The Nature Conservancy – Yes, w/ ESA
  • CBCN – No
  • AB Weed – Prohibited Noxious

Remarks

Forms dense stands, excluding native vege and altering water table, poisionous to horses, ISSG, BC AB SK MN ON

[2] Link to Bugwood Invasipedia for extensive information on biology, ecology, and management of this species.

Centsols XID Centaurea solstitialis6.jpg
Centsols XID Centaurea solstitialis5.jpg
Centsols XID Centaurea solstitialis3.jpg
Centsols XID Centaurea solstitialis seedling3.JPG

References

Roché C.T., and B.F. Roché Jr. 2000. Identification of Knapweeds and Starthistles in the Pacific Northwest: PNW432. Pacific Northwest Extension Publication. 22 pp. [3]

Alberta Invasive Plant Council factsheet: https://www.invasiveplants.ab.ca/Downloads/FS-YellowStarthistle.pdf

Canada's Least Wanted Invasive Plants [4]