2017 John Game 2018 Rebecca Schoenenberger 2021 Damon Tighe 2019 Matt Berger 2024 Rhonda Allen 2024 Damon Tighe 2023 R.A. Chasey 2018 Rebecca Schoenenberger 2024 Damon Tighe 2019 Matt Berger 2024 Rhonda Allen 2024 Rhonda Allen 2005 Terry Gosliner 2024 Rhonda Allen 2005 Terry Gosliner 2021 Damon Tighe 2021 R.A. Chasey 2023 R.A. Chasey 2023 R.A. Chasey 2023 R.A. Chasey 2023 R.A. Chasey 2023 R.A. Chasey 2019 Matt Berger
Streptanthus hispidus is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.3 (rare, threatened, or endangered in CA and elsewhere).
[Wikipedia] Range, Threats: It is endemic to Contra Costa County, California, where it is known from fewer than 15 occurrences on and around Mount Diablo. It grows in rocky outcrops in grassland and chaparral habitat. It is threatened by habitat degradation, such as trampling by hikers and destruction during maintenance activities.[3] (link added by Mary Ann Machi)
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2017 John Game:!2018 Rebecca Schoenenberger:!2021 Damon Tighe:!2019 Matt Berger:!2024 Rhonda Allen:!2024 Damon Tighe:!2023 R.A. Chasey:!2018 Rebecca Schoenenberger:!2024 Damon Tighe:!2019 Matt Berger:!2024 Rhonda Allen:!2024 Rhonda Allen:!2005 Terry Gosliner:!2024 Rhonda Allen:!2005 Terry Gosliner:!2021 Damon Tighe:!2021 R.A. Chasey:!2023 R.A. Chasey:!2023 R.A. Chasey:!2023 R.A. Chasey:!2023 R.A. Chasey:!2023 R.A. Chasey:!2019 Matt Berger:!
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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: 05/13/2025).
one or more occurrences