CNPS Inventory Plant Detail

Ceanothus cyaneus

Common Name:	Lakeside ceanothus
Family:	Rhamnaceae
Synonyms:
Element Code:	PDRHA04070
Full Name:	Ceanothus cyaneus Eastw.
USDA PLANTS Symbol:	CECY

Biology
Lifeform: perennial evergreen shrub Blooming Period: April - June Habitat: • Closed-cone coniferous forest • Chaparral

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2 G2: Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 26
Element Occurrence Ranks:

A B C D X U

0 3 0 0 0 23

Population Status:

Historic >20 yrs	Recent <=20 yrs
25	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
26	0	0

Notes
Need verification of questionable specimens from quads 49B and 50A. Threatened by development. Potentially threatened by frequent wildfires. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2010-03-15

Location

Elevation: 235 - 755 meters

California Endemic: no

States: California, Baja California

California Counties and Islands: name (code)
Riverside (RIV) ?, San Diego (SDG)

Quads: name (DWR code) USGS code
Dulzura (010A) 32116F7, Otay Mesa (010C) 32116E8, Cuyamaca Peak (020A) 32116H5, Descanso (020D) 32116G5, El Cajon Mtn. (021A) 32116H7, San Vicente Reservoir (021B) 32116H8, El Cajon (021C) 32116G8, Alpine (021D) 32116G7, Del Mar (022B) 32117H2, Vail Lake (049B)? 33116D8, Pechanga (050A)? 33117D1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

437

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-116.75,32.875