Pentagramma triangularis (Kaulf.) Yatsk., Windham & E. Wollenw.
Gold back fern, Goldenback fern
2024 Steve Conger 2022 Cynthia Powell 2023 Julia Markey 2021 Christopher Collier 2021 Mike Russler 2022 Cynthia Powell 2025 Mary Ann Machi 2025 Mary Ann Machi 2018 Julie Kierstead Nelson 2018 Miao Ling He 2021 Roy West 2020 Ron Vanderhoff 2022 Cynthia Powell 2019 R.A. Chasey 2025 Mary Ann Machi 2025 Mary Ann Machi 2021 Ron Vanderhoff 2021 Mike Russler 2021 Mike Russler 2023 Julia Markey 2023 Julia Markey 2023 Julia Markey 2023 Julia Markey 2023 Julia Markey 2023 R.A. Chasey 2024 Steve Conger 2019 R.A. Chasey
Pentagramma triangularis is a fern that is native to California, and also found elsewhere in western North America.
Communities: Coastal Sage Scrub, Creosote Bush Scrub, Yellow Pine Forest, Foothill Woodland, Chaparral, Valley Grassland, Pinyon-Juniper Woodland, many plant communities
[Wikipedia] Etymology: The Latin specific epithet Pentagramma derives from "five lines" or "stripes" while triangularis derives from "three sided", describing the shape of the fern's broad triangular fronds. (link added by Mary Ann Machi)
[Wikipedia] Native People Medicinal & Decorative Uses: The Indigenous tribes of California would use the goldback fern as an analgesic treatment. The Karuk tribe would use the fern to treat pain related to childbirth, and the Miwok tribe would use the fern as a treatment for toothaches. Additionally, Yurok tribe children would use the fern to create body art with the golden powder.[4] (link added by Mary Ann Machi)
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2024 Steve Conger:!2022 Cynthia Powell:!2023 Julia Markey:!2021 Christopher Collier:!2021 Mike Russler:!2022 Cynthia Powell:!2025 Mary Ann Machi:!2025 Mary Ann Machi:!2018 Julie Kierstead Nelson:!2018 Miao Ling He:!2021 Roy West:!2020 Ron Vanderhoff:!2022 Cynthia Powell:!2019 R.A. Chasey:!2025 Mary Ann Machi:!2025 Mary Ann Machi:!2021 Ron Vanderhoff:!2021 Mike Russler:!2021 Mike Russler:!2023 Julia Markey:!2023 Julia Markey:!2023 Julia Markey:!2023 Julia Markey:!2023 Julia Markey:!2023 R.A. Chasey:!2024 Steve Conger:!2019 R.A. Chasey:!
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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: 07/11/2025).
