Castilleja ambigua (Hook. & Arn.) T.I. Chuang & Heckard var. humboldtiensis (D.D. Keck) J.M. Egger
Humboldt bay owl's-clover
2022 Cynthia Adkisson 2021 Kipp Pow 2021 Kipp Pow 2020 Mary Ann Machi 2017 Lucinda Adamson 2016 Taylor McCracken 2017 Lucinda Adamson 2002 California Native Plant Society 2005 Doreen L. Smith 2000 Doreen L. Smith 1995 Saint Mary's College of California
Castilleja ambigua var. humboldtiensis 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).
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2022 Cynthia Adkisson:!2021 Kipp Pow:!2021 Kipp Pow:!2020 Mary Ann Machi:!2017 Lucinda Adamson:!2016 Taylor McCracken:!2017 Lucinda Adamson:!2002 California Native Plant Society:!2005 Doreen L. Smith:!2000 Doreen L. Smith:!1995 Saint Mary's College of California:!
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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,
including the
Consortium of California Herbaria.[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 02/05/2023).