CNPS

CNPS Rare Plant Inventory

Species Details

Eriogonum grande var. timorum

San Nicolas Island buckwheat

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  Classification

Scientific Name:
Eriogonum grande Greene var. timorum Rev.
Common Name:
San Nicolas Island buckwheat
Family: Polygonaceae
Element Code: PDPGN082J3
USDA Plants Symbol: ERGRT
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 1B.1
Fed List: None
State List: CE (1979-11-01)
Global Rank: G4T1
State Rank:
 S1
Other Status:
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: Mar-Oct
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Elevation:
10 - 215 meters
35 - 705 feet
General Habitats:
  • Coastal bluff scrub
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Possibly threatened by Navy activities, erosion, non-native plants, and hybridization with introduced Eriogonum spp. See Aliso 7(2):229 (1970) for original description, and Phytologia 66(4):333-334 (1989) for taxonomic treatment.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 %
THREAT LIST:
No threats

  Occurrence Data from the CNDDB

Total Occurrences: 3
Element Occurrence Ranks:
A B C D X U
1 0 0 0 0 2
Occurrence Status:
Historical >20 Years 2
Recent <=20 Years 1
Presence:
Presumed Extant 3
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Ventura (VEN)
Quads: Name (Quad Code)
San Nicolas Island (3311924)
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 20 April 2024].