CNPS

CNPS Rare Plant Inventory

Species Details

Tetracoccus hallii

Hall's tetracoccus

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  Classification

Scientific Name:
Tetracoccus hallii Bdg.
Common Name:
Hall's tetracoccus
Family: Picrodendraceae
Element Code: PDEUP1C021
USDA Plants Symbol: TEHA
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G4
State Rank:
 S4
Other Status: SB_CalBG/RSABG
CRPR Changes:
Add Date: 2001-01-01
Date Edited: 2021-05-26

  Ecology and Life History

Lifeform: perennial deciduous shrub
Blooming Period: Jan-May
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Elevation:
30 - 1200 meters
100 - 3935 feet
General Habitats:
  • Mojavean desert scrub
  • Sonoran desert scrub
Microhabitat Details:
Microhabitat:

  Notes

Notes:
See Zoe 5(11):229 (1906) for original description, and Rhodora 56:57-60 (1954) for taxonomic treatment.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

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

  Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
Arizona (AZ), Baja California (BA), California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
Riverside (RIV), San Bernardino (SBD)
Quads: Name (Quad Code)
Corn Spring (3311563), Cottonwood Spring (3311567), East of Red Canyon (3311555), Flattop Mtn. (3411477), Fried Liver Wash (3311588), Hayfield (3311566), Hayfield Spring (3311565), Horn Spring (3411427), Mohawk Spring (3411447), Parker NW (3411424), Pilot Mountain (3311553), Porcupine Wash (3311577), Queen Mtn. (3411611), Stepladder Mountains (3411457), Thermal Canyon (3311661), West of Mohawk Spring (3411448), Whipple Mts. SW (3411434), Yucca Valley South (3411614)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 2 December 2024].