2022 Sara Timby 2020 Zoya Akulova-Barlow Asa Spade 2022 Zoya Akulova 2020 Zoya Akulova-Barlow 2022 R.A. Chasey 2022 R.A. Chasey 2022 R.A. Chasey 2016 Teresa R Spade, AICP 2016 Teresa R Spade, AICP 2022 Edy Horwood 2016 Asa B Spade
Chorizanthe howellii is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Threatened.
Federal status: Endangered.
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2022 Sara Timby:!2020 Zoya Akulova-Barlow:!Asa Spade:!2022 Zoya Akulova:!2020 Zoya Akulova-Barlow:!2022 R.A. Chasey:!2022 R.A. Chasey:!2022 R.A. Chasey:!2016 Teresa R Spade, AICP:!2016 Teresa R Spade, AICP:!2022 Edy Horwood:!2016 Asa B Spade:!
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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: 07/09/2025).
one or more occurrences