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Helianthus tuberosus 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.
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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,
including the
Consortium of California Herbaria.[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 01/28/2023).