CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record arctostaphylos_rudis - Mon, Sep. 16, 2019 13:27 ET c
Arctostaphylos rudis
common namesand mesa manzanita
CalPhotos image
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more photos
© 2003 Harmut Wisch  Follow image link for photo data.
familyEricaceae
life form evergreen shrub
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
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 (16):
Point Conception (145B) 3412044, Los Alamos (170A) 3412063, Lompoc (170B) 3412064, Lompoc Hills (170C) 3412054, Surf (171A) 3412065, Point Arguello (171C) 3412056, Tranquillon Mountain (171D) 3412055, Santa Maria (195B) 3412084, Orcutt (195C) 3412074, Sisquoc (195D) 3412073, Guadalupe (196A) 3412085, Point Sal (196B) 3412086, Casmalia (196D) 3412075, Nipomo (220C) 3512014, Arroyo Grande NE (221A) 3512025, Oceano (221D) 3512015
quad data info

Counties, states, regions:
Santa Barbara (SBA), San Luis Obispo (SLO)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)(maritime)
•Coastal scrub (CoScr)/sandy
blooming period Nov-Feb  
elevation range25 - 322 meters
notes
Severely reduced on Nipomo Mesa; more widespread on Burton Mesa. Threatened by agriculture, road construction, road maintenance, and oil extraction. Possibly threatened by development. See Erythea 8:100 (1938) for original description.
full nameArctostaphylos rudis Jeps. & Wies.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ARRU2 Element Code  PDERI041E0
CalFlora
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 Mon, Sep. 16, 2019 from http://www.cnps.org/inventory

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