Taxon Report

Ceanothus fresnensis Abrams

Fresno ceanothus

Print Report


Taxon Summary

Ceanothus fresnensis, commonly known as Fresno ceanothus, is a perennial evergreen shrub in the Rhamnaceae that is found only in California. It occurs within Cismontane woodland (openings), and Lower montane coniferous forest, growing at elevations from 900 to 2210 meters. Ceanothus fresnensis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

  Classification
Scientific Name:
 Ceanothus fresnensis Abrams
Common Name:
 Fresno ceanothus
Family: Rhamnaceae
Element Code: PDRHA040E0
USDA Plants Symbol: CEFR
Synonyms/Other Names:

Ecology and Life History
Lifeform: perennial evergreen shrub
Blooming Period: (Apr)May-Jul (Apr)May-Jul
Elevation: 900-2210 (2955-7250)
General Habitats: Cismontane woodland, Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 4.3
Global Rank: G4
State Rank:
 S4
State List: None
Fed List: None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB
Total Occurrences: 0
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 0

Location
California Endemic:  True
California Counties and Islands: Name (Code)
Calaveras (CAL), El Dorado (ELD), Fresno (FRE), Madera (MAD), Mariposa (MPA), Nevada (NEV), Placer (PLA), Plumas (PLU), Tulare (TUL), Tuolumne (TUO)
Quads: Name (Quad Code)
Ackerson Mtn. (3711977), Ascension Mtn. (3711978), Boards Crossing (3812032), Buckingham Mtn. (3711957), Bunker Hill (3912014), Cascadel Point (3711924), Cisco Grove (3912035), Columbia (3812014), Crandall Peak (3812022), Devil Peak (3812085), Dorrington (3812033), Duckwall Mtn. (3712081), Dutch Flat (3912027), El Capitan (3711966), El Portal (3711967), Foresthill (3912017), Fort Mountain (3812034), Georgetown (3812087), Granite Chief (3912023), Half Dome (3711965), Hull Creek (3812011), Huntington Lake (3711922), Jawbone Ridge (3712071), Liberty Hill (3812031), Little Shuteye Peak (3711944), Loon Lake (3812083), Meadow Valley (3912181), Murphys (3812024), Musick Mtn. (3711923), Norden (3912033), Pollock Pines (3812075), Quincy (3912088), Rail Road Flat (3812035), Robbs Peak (3812084), Royal Gorge (3912024), Sacate Ridge (3611982), Shaver Lake (3711913), Shingle Springs (3812068), Soda Springs (3912034), Sonora (3712084), Squaw Dome (3711943), Standard (3712083), Stanislaus (3812023), Strawberry (3812021), Tamarack (3812041), Tobias Peak (3511875), Tunnel Hill (3812086), Tuolumne (3712082), Twain Harte (3812012), Wawona (3711956), Wentworth Springs (3912013), White Chief Mtn. (3711945), Wren Peak (3611877)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 0 %

Notes
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 July 2025].