CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record arctostaphylos_nissenana - Fri, Dec. 3, 2021, 04:25 ET b
Arctostaphylos nissenana
common nameNissenan manzanita
CalPhotos image
more photos
© 1992 David Graber  Follow image link for photo data.
life form evergreen shrub
CA Rare Plant Rank
List 1B.2
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 listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (7):
Sonora (458B) 3712084, Camino (509B) 3812066, Placerville (510A) 3812067, Slate Mountain (525C) 3812076, Pollack Pines (525D) 3812075, Georgetown (526A) 3812087, Garden Valley (526D) 3812077
quad data info

Counties, states, regions:
El Dorado (ELD), Tuolumne (TUO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Closed-cone coniferous forest (CCFrs)
•Chaparral (Chprl)/rocky
blooming period Feb-Mar  
elevation range450 - 1100 meters
Threatened by development. See Proceedings of the Biological Society of Washington 31:102 (1918) for original description, Four Seasons 1(4):7-15 (1966) for species account, and Four Seasons 6(4):12-16 (1983) for range extension information.
full nameArctostaphylos nissenana Merriam
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ARNI Element Code  PDERI040V0
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Fri, Dec. 3, 2021 from

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