Dittrichia graveolens (stinkwort)

Dittrichia graveolens

Photo courtesy Joseph DiTomaso

Dittrichia graveolens (stinkwort) is a fall-flowering, sticky aromatic annual (family Asteraceae) that appears to be rapidly expanding its range in California.

Cal-IPC Inventory rating: Moderate

Cal-IPC Resources on Dittrichia graveolens

• California Invasive Plant Inventory Assessment Form (pdf) - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. Does not include management information.
• Cal-IPC News - Articles from our quarterly newsletter. (None for this species.)
• Cal-IPC Symposium Proceedings - Presentations and papers from our annual Symposium. List of articles on Dittrichia graveolens.
• California distribution map - Maps based on survey data from county Weed Management Areas. These maps are the product of those working in the field and are not intended to be definitive.

Cal-IPC News Articles

• Brusati, E., D. Morawitz, et al. (2011). Prioritizing Regional Response to Invasive Plants in the Sierra Nevada. Cal-IPC News. 19: 4, 5, 10.

Cal-IPC Symposium Proceedings

• Brownsey, R., G. B. Kyser, et al. (2011). Dittrichia graveolens - a study of invasive plant biology with a focus on management. Cal-IPC 2011 Symposium. Tahoe City, CA, California Invasive Plant Council.
• Marriott, M. (2010). The spread and control of Dittrichia graveolens. Cal-IPC 2010 Symposium. Ventura, CA, California Invasive Plant Council.
• DiTomaso, J. M. (2004). 2004 Cal-IPC Red Alert! New invasions, recent expansions, and a few others to be on the look-out for. California Invasive Plant Council Symposium 2004. Ventura, CA.
• Randall, J. M. (1997). Weed alert! New invasive weeds in California. California Exotic Pest Plant Council Symposium '97. Concord, CA.

Other Resources on Dittrichia graveolens

• USDA PLANTS database - Federal database with information on identification and distribution, and links to websites in individual states.
• Jepson Online Interchange for California Flora - Information on taxonomy, biology, and distribution from the UC Berkeley Jepson Herbarium.
• CalFlora - Distribution information by county based on submitted observations and herbarium specimens.
• The Nature Conservancy Management Summary - Information compiled by TNC land managers. Photos included for some species.
• CalPhotos - Images of plants taken mostly in California.
• Dittrichia poster - Created by Meg Marriot, USFWS San Francisco Bay National Wildlife Refuge Complex.
• Dittrichia brochure - Created by Santa Clara County Parks and formatted as a word document so you can adjust the contact info, allowing your constituency to get back in contact with you after reading the brochure.

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