Dittrichia viscosa

Dittrichia viscosa_Richard Spellenberg
Photo by Richard Spellenberg

Common names: false yellowhead

Dittrichia viscosa (false yellowhead) is a perennial herb/subshrub (family Asteraceae) with golden-yellow flowers and thin toothed leaves found in the Sacramento Valley and San Francisco Bay area in California. It is native to the Mediterranean Basin. It favors grasslands, wetlands, and riparian and bottomland habitat. It reproduces by seed and is spread primarily via wind and water.

Cal-IPC Rating: Watch

Cal-IPC Assessment

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

Cal-IPC Newsletter Articles

Cal-IPC Symposium Presentations

None for this species.

Other Dittrichia viscosa Information

  • CalPhotos - Images of plants taken mostly in California.
  • CalFlora - Distribution information based on submitted observations and herbarium specimens.
  • Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
  • USDA PLANTS Database - Federal database with information on identification and distribution, and links to websites in individual states.