2020 Matthew Perryman 2022 Brad Cook 2021 Phil Calhoun 2021 Brad Cook 2021 Matthew Perryman 2020 Matthew Perryman 2021 Matthew Perryman 2020 Matthew Perryman 2022 Brad Cook 2022 Brad Cook 2025 RSA - California Botanic Garden Herbarium 2019 rockybajada 2020 rockybajada
Dittrichia viscosa is a perennial herb that is not native to California.
There is a high risk of this plant becoming invasive in California according to Cal-IPC.
[Cal-IPC] Mediterranean Basin native: 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 (link added by Mary Ann Machi)
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Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .
one or more occurrences