2017 John Game 2024 William Blaker 2018 David Greenberger 2023 Cynthia Powell 2023 Stephanie Penn 2019 Dee Shea Himes 2023 Cynthia Powell 2019 Aaron Sunshine 2018 Miriam Sachs Martin 2024 Mike Russler 2024 Mike Russler 2015 Douglas Johnson 2024 Kevin 2021 Cynthia Powell 2021 Cynthia Powell 2021 Cynthia Powell 2021 Cynthia Powell 2021 Cynthia Powell 2018 Hunter Breck 2024 Kevin 2024 Kevin 2023 Cynthia Powell 2023 Cynthia Powell 2021 Jennifer Mathers 2021 David Gallagher 2023 Stephanie Penn 2024 Mike Russler 2024 Mike Russler 2024 William Blaker 2024 William Blaker 2024 William Blaker 2024 William Blaker 2025 Mike Russler 2025 Mike Russler 2025 Mike Russler 2021 Cynthia Powell 2021 Cynthia Powell 2019 Dee Shea Himes 2021 Cynthia Powell
Dirca occidentalis is a shrub that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
Dirca occidentalis: Dirca occidentalis (western leatherwood) is a rare shrub that is native to California and endemic (limited) to California in the San Francisco Bay area. Its low growth, dispersal, and germination rates limit how quickly populations can recover from loss. Its very low seed dispersal rate may suggest that its natural disperser disappeared from the region.
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2017 John Game:!2024 William Blaker:!2018 David Greenberger:!2023 Cynthia Powell:!2023 Stephanie Penn:!2019 Dee Shea Himes:!2023 Cynthia Powell:!2019 Aaron Sunshine:!2018 Miriam Sachs Martin:!2024 Mike Russler:!2024 Mike Russler:!2015 Douglas Johnson:!2024 Kevin:!2021 Cynthia Powell:!2021 Cynthia Powell:!2021 Cynthia Powell:!2021 Cynthia Powell:!2021 Cynthia Powell:!2018 Hunter Breck:!2024 Kevin:!2024 Kevin:!2023 Cynthia Powell:!2023 Cynthia Powell:!2021 Jennifer Mathers:!2021 David Gallagher:!2023 Stephanie Penn:!2024 Mike Russler:!2024 Mike Russler:!2024 William Blaker:!2024 William Blaker:!2024 William Blaker:!2024 William Blaker:!2025 Mike Russler:!2025 Mike Russler:!2025 Mike Russler:!2021 Cynthia Powell:!2021 Cynthia Powell:!2019 Dee Shea Himes:!2021 Cynthia Powell:!
gp9375:!mu38164:!mg25131:!io81575:!po249547:!io7890:!io81575:!io14045:!io1326:!io118108:!io118108:!oe7532:!io146495:!mg127260:!mg126094:!mg126093:!mg126092:!mg126091:!po76898:!io146508:!io146496:!io81566:!io81566:!po180582:!po181447:!mu32696:!io118105:!io118108:!mu38164:!mu38164:!mu38164:!mu38164:!io147934:!io147935:!io147935:!io42953:!io42953:!io7890:!mg127261:!
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: 05/16/2025).
one or more occurrences