Scolymus hispanicus

Scolymus hispanicus_C030-14
Photo courtesy UC Davis Weeds of California

Common names: goldenthistle

Scolymus hispanicus (goldenthistle) is a herb/ (family Asteraceae) with yellow flowers and spiny narrow leaves found in the central western ranges of California. It is native to Europe. It grows in grasslands. It propagates by seed. The spiny seed heads can get caught in wool, carried by wind and spread by agricultural equipment.

Cal-IPC Rating: Watch

Cal-IPC Assessment

Plant Risk Assessment - An evaluation of the potential for a plant to be invasive in California.

Weed Management Notes

No Weed RIC Management Notes are available for this species. Check for information on other species in the genus on the Weed RIC site.

Cal-IPC Newsletter Articles

There are no newsletter articles associated with this species yet.

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

There are no Symposium presentations associated with this species yet.

Other Scolymus hispanicus Information

  • CalPhotos - Images of plants taken mostly in California.
  • Calflora - See the distribution of this species on Calflora's map of California.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • CDFA - California official noxious weeds.
  • USDA PLANTS Database - Federal database with information on identification and distribution, and links to websites in individual states.