2015 Steve Matson 2015 Steve Matson 2015 Steve Matson 2020 Julie A. Kierstead 2022 David popp 2021 Steve Laymon 2020 Julie A. Kierstead 2019 Matt Berger 2019 Matt Berger 2025 Alaine Arslan 2025 Alaine Arslan 2025 Alaine Arslan 2023 Alaine Arslan 2015 Steve Matson 2020 Julie A. Kierstead 2020 Julie A. Kierstead 2020 Julie A. Kierstead 2020 Julie A. Kierstead 2020 Susan McDougall
Marah watsonii is a perennial herb or vine that is native to California, and endemic (limited) to California.
[Wikipedia] Range: Marah watsonii, the taw manroot, is an uncommon species in the genus Marah endemic to central northern California. Its range is bounded by the eastern coastal foothills, the western foothills of the northern Sierra Nevada and Cascades ranges and from Lake Berryessa in the south to Lake Shasta in the north. (link added by Mary Ann Machi)
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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: 05/21/2025).
