Taxon  Report   1674 
Castilleja ambigua  Hook. & Arn.  ssp. humboldtiensis  (Keck) Chuang & Heckard
Humboldt bay owl's clover

Castilleja ambigua ssp. humboldtiensis
© 2005 Doreen L. Smith
Castilleja ambigua ssp. humboldtiensis, a dicot, is an annual herb (hemiparasitic) that is native to California and is endemic (limited) to California.
It was included in the CNPS Inventory of Rare and Endangered Plants on list [1B.2] (rare, threatened, or endangered in CA and elsewhere).   7th Edition  /  8th Edition

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 Observation Hotline 
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point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
 and Associations

Bloom Period
Castilleja ambigua ssp. humboldtiensis
© 2002 California Native Plant Society
Genus: Castilleja
Parent Record Castilleja ambigua.
Coastal Salt Marsh, wetland-riparian
Habitat: salt-marsh, coastal [CNPS Inventory]
Wetlands:Occurs almost always under natural conditions in wetlands [U.S. Fish & Wildlife Service.]
Distribution by County 

Add an Observation of  Castilleja ambigua ssp. humboldtiensis

Name Status:
Accepted by TJM2 + PLANTS + JM93
CNPS accepted name: Castilleja ambigua var. humboldtiensis
Alternate Names:
(according to)

TJM2 + PLANTS: Orthocarpus castillejoides var. humboldtiensis
 More information about  Castilleja ambigua ssp. humboldtiensis
Location Suitability

Nursery / seed vendor availability from CNPLX
Commercial availability unknown.


Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Nov 29, 2015).

The information on this page comes from diverse sources. None of the links are sponsored.

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