Castilleja ambigua Hook. & Arn. ssp. humboldtiensis (D. D. Keck) T. I. Chuang & Heckard
Humboldt bay owl's clover
2023 Dana York 2017 Steve Matson 2023 Mary Ann Machi 2022 Cynthia Adkisson 2023 Mary Ann Machi 2023 Dana York 2023 Dana York 2023 Caitlyn Allchin 2023 Dana York 2023 Dana York 2023 Mary Ann Machi 2017 Steve Matson 2017 Steve Matson 2017 Steve Matson 2017 Paul Preston 2020 Mary Ann Machi
Castilleja ambigua ssp. humboldtiensis is an annual herb (hemiparasitic) 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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Suggested Citation
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 11/28/2023).