CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14nov 11-15-14
Status: record castilleja_ambigua_var._humboldtiensis - Thu, Nov. 27, 2014 17:57 ET c
Castilleja ambigua var. humboldtiensis
common nameHumboldt Bay owl's-clover
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familyOrobanchaceae
life formannual herb hemiparasitic
CA Rare Plant Rank
List 1B.2
CA-Endemic
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G4T2      ranking system key
CA state listingNone  
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (13):
Tomales (485B) 3812228, Inverness (485D) 3812217, Point Arena (537B) 3812386, Mathison Peak (568C) 3912336, Mendocino (569D) 3912337, Fields Landing (654B) 4012462, Cannibal Island (655A) 4012463, Ferndale (655D) 4012453, Arcata North (672A) 4012481, Tyee City (672B) 4012482, Eureka (672C) 4012472, Arcata South (672D) 4012471, Rodgers Peak (689A) 4112421
quad data info

Counties, states, regions:
Humboldt (HUM), Mendocino (MEN), Marin (MRN)
counties map
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CNPS habitats•Marshes and swamps (MshSw)(coastal salt)
blooming period Apr-Aug  
elevation range0 - 3 meters
notes
Threatened by coastal development and non-native plants. See C. ambigua ssp. humboldtiensis in TJM 2. See Proceedings of the American Academy of Arts and Sciences IV 16:536 (1927) for original description, Phytologia 90(1):63-82 (2008) for revised nomenclature, and Madroņo 45(4):326 for distribution information.
full nameCastilleja ambigua (Hook. & Arn.) T.I. Chuang & Heckard var. humboldtiensis (D.D. Keck) J.M. Egger
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym   Element Code  PDSCR0D402
Jepson Online Jepson Interchange  Jepson Manual and other resources
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Suggested citation: California Native Plant Society (CNPS). 2014. Inventory of Rare and Endangered Plants (online edition, v7-14nov). California Native Plant Society. Sacramento, CA. Accessed on Thu, Nov. 27, 2014 from http://www.cnps.org/inventory

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