Synonyms: In past was mistakenly called Dipsacus sylvestris Huds. in some references; binomial D. sylvestris Huds. has been used for wild teasel by majority of authors in N. America and the binomial D. fullonum L. reserved for the cultivated teasel- the opposite naming convention is used in Europe.
Common names: common teasel; wild teasel; card thistle
Dipsacus fullonum (common teasel) is a biennial forb/herb (family Dipsacaceae) sometimes used in flower arrangements, but was historically used as a hairbrush. It becomes a problem when it forms dense stands that are impenetrable to humans or livestock.Cal-IPC Rating: Moderate
Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.
Weed RIC Management Notes
- Management Notes - Information on management techniques and effectiveness from the University of California Cooperative Extension’s Weed Research & Information Center.
Cal-IPC Newsletter Articles
- Lessons from the front: Taking stock to avoid surprises. Kelly, Mike. Vol 05, Issue 1
Cal-IPC Symposium Presentations
- Carrithers, V. F. (1997). Using Transline* herbicide to control invasive plants. California Exotic Pest Plant Council Symposium '97. Concord, CA.
Other Dipsacus fullonum Information
- CalPhotos - Images of plants taken mostly in California.
- Calflora - See the distribution of this species on Calflora's map of California.
- CalWeedMapper - Distribution information with ability to determine regional priorities.
- 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.