2021 Steve Laymon 2021 Steve Laymon 2022 Dana York 2021 R.A. Chasey 2021 R.A. Chasey 2021 R.A. Chasey 2021 R.A. Chasey 2019 David popp 2019 David popp 2017 Amanda Weiss 2022 Dana York 2022 Dana York 2017 Ken-ichi Ueda 2021 Helen Hancock 2020 Susan McDougall 2020 Susan McDougall 2020 Susan McDougall 2020 Susan McDougall
Heterotheca oregona is a perennial herb that is native to California, and also found elsewhere in western North America.
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2021 Steve Laymon:!2021 Steve Laymon:!2022 Dana York:!2021 R.A. Chasey:!2021 R.A. Chasey:!2021 R.A. Chasey:!2021 R.A. Chasey:!2019 David popp:!2019 David popp:!2017 Amanda Weiss:!2022 Dana York:!2022 Dana York:!2017 Ken-ichi Ueda:!2021 Helen Hancock:!2020 Susan McDougall:!2020 Susan McDougall:!2020 Susan McDougall:!2020 Susan McDougall:!
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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: 06/25/2025).
