CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record arctostaphylos_andersonii - Fri, Dec. 3, 2021, 15:25 ET b
Arctostaphylos andersonii
common nameAnderson's manzanita
CalPhotos image
more photos
Charles Webber © 1998 California Academy of Sciences  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
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
MAPS - Use v8 link below.

Topographic quads (13):
Watsonville East (386B) 3612186, Watsonville West (387A) 3612187, Soquel (387B) 3612188, Santa Cruz (387E) 3612281, Mount Madonna (406C) 3712116, Laurel (407C) 3712118, Loma Prieta (407D) 3712117, Big Basin (408B) 3712222, Davenport (408C) 3712212, Felton (408D) 3712211, Franklin Point (409A) 3712223, Woodside (429A) 3712243, La Honda (429D) 3712233
quad data info

Counties, states, regions:
Santa Clara (SCL), Santa Cruz (SCR), San Mateo (SMT)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Broadleafed upland forest (BUFrs)
•Chaparral (Chprl)
•North Coast coniferous forest (NCFrs)/openings, edges
blooming period Nov-May  
elevation range60 - 760 meters
Confused with other species merged with it as varieties. Threatened by development and road maintenance. See Proceedings of the American Academy of Arts and Sciences 11:83 (1876) for original description, and North American Flora 29:98 (1914) for additional information.
full nameArctostaphylos andersonii Gray
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ARAN2 Element Code  PDERI04030
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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