CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record arctostaphylos_glandulosa_ssp._crassifolia - Sun, Dec. 5, 2021, 18:07 ET b
Arctostaphylos glandulosa ssp. crassifolia
common nameDel Mar manzanita
CalPhotos image
more photos
© 2006 Kai Palenscar  Follow image link for photo data.
life form evergreen shrub
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S2      ranking system key
global rank
G5T2      ranking system key
Where did the "RED" code go?
CA state listingNone  
federal listingEndangered  10/07/96
where found
MAPS - Use v8 link below.

Topographic quads (7):
Poway (022A) 3211781, Del Mar (022B) 3211782, La Mesa (022D) 3211771, San Marcos (035B) 3311722, Rancho Santa Fe (035C) 3311712, San Luis Rey (036A) 3311723, Encinitas (036D) 3311713
quad data info

Counties, states, regions:
San Diego (SDG), Baja California (BA)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Chaparral (Chprl)(maritime, sandy)
blooming period Dec-Jun  
elevation range0 - 365 meters
Threatened by urbanization, agricultural conversion, and fuel modification. CA populations have declined greatly. Reported to intergrade with ssp. zacaensis. See Madroņo 1(4):86 (1922) for original description, Madroņo 19:205 (1968) for revised nomenclature, and Four Seasons 7(4):5-27 (1987) for taxonomic treatment.
full nameArctostaphylos glandulosa Eastw. ssp. crassifolia (Jeps.) Wells
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  ARGLC4 Element Code  PDERI040E8
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). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Sun, Dec. 5, 2021 from

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