Skip to content

Vascular Plant Herbarium

Vascular Plant Database Genus Results

Category: Dicots
Family Name: Asteraceae


Cirsium - [maps | photos]

             • Carduus altissimus L.
  • Cirsium arvense * (L.) Scop.
    NWI R2 TN: Facultative Upland +
    Common Name: Canada thistle
             • Carduus arvensis (L.) Robson
             • Carduus carolinianus Walt.
  • Cirsium discolor (Muhl. ex Willd.) Spreng.
    Common Name: field thistle
             • Carduus discolor (Muhl. ex Willd.) Nutt.
  • Cirsium horridulum Michx.
    NWI R2 TN: Facultative +
    Common Name: yellow thistle
             • Carduus spinosissimus Walt.
  • Cirsium muticum Michx.
    NWI R2 TN: Obligate Wetland
    Common Name: swamp thistle
             • Carduus muticus (Michx.) Pers.
  • Cirsium vulgare * (Savi) Ten.
    NWI R2 TN: Facultative
    Common Name: bull thistle
             • Carduus vulgaris Savi

*Description of RTE & NWI Status
If you have any questions or comments, please contact Dr. Jessica M. Budke or Dr. B. Eugene Wofford.

The flagship campus of the University of Tennessee System and partner in the Tennessee Transfer Pathway.