2020 Matthew Perryman 2022 Brad Cook 2021 Phil Calhoun 2021 Brad Cook 2021 Matthew Perryman 2020 Matthew Perryman 2005 Luigi Rignanese 2022 Brad Cook 2021 Matthew Perryman 2020 Matthew Perryman 2014 Zoya Akulova
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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2020 Matthew Perryman:!2022 Brad Cook:!2021 Phil Calhoun:!2021 Brad Cook:!2021 Matthew Perryman:!2020 Matthew Perryman:!2005 Luigi Rignanese:!2022 Brad Cook:!2021 Matthew Perryman:!2020 Matthew Perryman:!2014 Zoya Akulova:!
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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2024. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 11/21/2024).
one or more occurrences