CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14jul 7-21-14
Status: record chorizanthe_howellii - Tue, Jul. 29, 2014 22:57 ET c
Chorizanthe howellii
common nameHowell's spineflower
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© 1999 John Game  Follow image link for photo data.
familyPolygonaceae
life formannual herb
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
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingThreatened  01/87
federal listingEndangered  06/22/92
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (2):
Fort Bragg (569A) 3912347, Inglenook (585D) 3912357
quad data info

Counties, states, regions:
Mendocino (MEN)
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CNDDB Quick Viewer
Web application for exploring the CNDDB elements reported at the quad level.
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A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Coastal dunes (CoDns)
•Coastal prairie (CoPrr)
•Coastal scrub (CoScr)/sandy, often disturbed areas
blooming period May-Jul  
elevation range0 - 35 meters
notes
Known only from north of Ft. Bragg. Threatened by development, foot traffic, recreational activities, vehicles, and non-native plants. Potentially threatened by trail construction. Closely related to C. pungens. See Annals of the Missouri Botanical Garden 21:44 (1934) for original description, and Phytologia 66(2):131-132 (1989) for taxonomic treatment.
full nameChorizanthe howellii Goodm.
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  CHHO2 Element Code  PDPGN040C0
CalFlora
CalFlora species this taxon    CalFlora genus related taxa
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, v7-14jul). California Native Plant Society. Sacramento, CA. Accessed on Tue, Jul. 29, 2014 from http://www.cnps.org/inventory

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