California Invasive Plant Council

Hypochaeris radicata

Common names: rough cat's-ear; false dandelion

Hypochaeris radicata (rough catsear, hairy dandelion) is an annual herb/forb (family Asteraceae) and a weed of lawns, pastures, and waste areas. The seeds are wind blown and can rapidly invade disturbed areas.

Cal-IPC Rating: Moderate

Cal-IPC Assessment

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 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

• Exploring alternative methods for vegetation control and maintenance along roadsides. Young, Steve L.. Vol 10, Issue 4

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.

• Factors that control non-native plant species within shaded fuelbreaks at Whiskeytown National Recreation Area. Gibson, Jennifer; Bunn, Windy (2006)

Other Hypochaeris radicata 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.
• EDDMapS - North American distribution based on Early Detection and Distribution Mapping System.