Yellow StarthistleCentaurea solstitialis L.
- Moss, Flora of Alberta – Rare
- Global Invasive Species Database – Yes
- 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
Forms dense stands, excluding native vege and altering water table, poisionous to horses, ISSG, BC AB SK MN ON
 Link to Bugwood Invasipedia for extensive information on biology, ecology, and management of this species.
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. 
Alberta Invasive Plant Council factsheet: https://www.invasiveplants.ab.ca/Downloads/FS-YellowStarthistle.pdf
Canada's Least Wanted Invasive Plants