2025 Mike Russler 2018 David Wolfson 2025 Mike Russler 2022 John Rawlings 2022 Rebecca Reynolds 2025 Mike Russler 2015 Robert Steers 2019 Stephany Dery 2017 MCOSD EDRR 2020 Jennifer Mo 2025 Mike Russler 2025 Mike Russler 2025 Mike Russler 2018 David Wolfson 2022 Rebecca Reynolds 2019 Stephany Dery
Calendula arvensis is an annual herb that is not native to California.
[Wikipedia] Achene Information: Calendula arvensis produce three types of achenes (fruits of the sunflower family), they are rostrate, cymbiform and annular. Rostrate and cymbiform are suitable for long-distance diffusion, because they have larger size and weight than annular, while annular is suitable for short-distance diffusion. (link added by Mary Ann Machi)
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2025 Mike Russler:!2018 David Wolfson:!2025 Mike Russler:!2022 John Rawlings:!2022 Rebecca Reynolds:!2025 Mike Russler:!2015 Robert Steers:!2019 Stephany Dery:!2017 MCOSD EDRR:!2020 Jennifer Mo:!2025 Mike Russler:!2025 Mike Russler:!2025 Mike Russler:!2018 David Wolfson:!2022 Rebecca Reynolds:!2019 Stephany Dery:!
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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]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 07/19/2025).
