Castilleja ambigua Hook. & Arn.
ssp. humboldtiensis (D. D. Keck) T. I. Chuang & Heckard
Humboldt bay owl's clover
2023 Dana York 2017 Steve Matson 2024 Steve Conger 2017 Steve Matson 2017 Steve Matson 2017 Paul Preston 2025 Dana York 2025 Dana York 2022 Cynthia Adkisson 2023 Caitlyn Allchin 2023 Dana York 2023 Dana York 2023 Dana York 2023 Dana York 2017 Steve Matson 2017 Steve Matson 2025 Justin Luong
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 - Taxon Report.” The Calflora Database, a non-profit organization. .
one or more occurrences