CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-14jul 7-21-14
Status: record arctostaphylos_auriculata - Fri, Aug. 1, 2014, 11:54 ET b
Arctostaphylos auriculata
common nameMt. Diablo manzanita
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© 1992 David Graber  Follow image link for photo data.
familyEricaceae
life form evergreen shrub
CA Rare Plant Rank
List 1B.3
CA-Endemic
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.3: Not very endangered in California
state rank
S2      ranking system key
global rank
G2     G2: 6-20 occurrences OR 1,000-3,000 individuals OR 2,000-10,000 acres
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
(12/2) v7 maps currently unavailable - use link below for v8 details and maps

Topographic quads (4):
Antioch South (464A) 3712187, Clayton (464B) 3712188, Diablo (464C) 3712178, Tassajara (464D) 3712177
quad data info

Counties, states, regions:
Contra Costa (CCA)
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CNPS habitats•Chaparral (Chprl)(sandstone)
•Cismontane woodland (CmWld)
blooming period Jan-Mar  
elevation range135 - 650 meters
notes
Known from fewer than twenty occurrences. Threatened by road maintenance. See Bulletin of the Torrey Botanical Club 32:202 (1905) for original description, and American Midland Naturalist 23:622 (1940) for taxonomic treatment.
full nameArctostaphylos auriculata Eastw.
Version 8    INVENTORY VERSION 8 - Details for this taxon, including GIS and other links

Additional information:
standard acronym  ARAU Element Code  PDERI04040
CalFlora
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
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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 Fri, Aug. 1, 2014 from http://www.cnps.org/inventory

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