Taxon Report

Eriogonum alpinum Engelm.

Trinity buckwheat

Print Report


Eric White 2010

  Classification

Scientific Name:
Eriogonum alpinum Engelm.
Common Name:
Trinity buckwheat
Family: Polygonaceae
Element Code: PDPGN08060
USDA Plants Symbol: ERAL6
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Jun-Sep Jun-Sep
Elevation: 1675-2900 (5495-9515)
General Habitats: Alpine boulder and rock field, Subalpine coniferous forest, Upper montane coniferous forest
Microhabitat: Rocky, Serpentine
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 1B.2
Global Rank: G2
State Rank:
S2
State List: CE
Fed List: None
Other Status: USFS_S
CRPR Changes:
  • changed from 1B.3 to 1B.2 on 2006-01-19

Occurrence Data from the CNDDB

Total Occurrences: 20
Element Occurrence Ranks:
   Excellent (A) 11
   Good (B) 1
   Fair (C) 0
   Poor (D) 1
   None (X) 0
   Unknown (U) 7
California Endemic:  True
California Counties and Islands: Name (Code)
Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Mount Eddy (4112234), Mumbo Basin (4112225), Scott Mountain (4112236), Seven Lakes Basin (4112224), South China Mtn. (4112235), Whisky Bill Peak (4112215)

Threat List Data from the CNDDB

Threat List Total: 6
EOs with Threat Listed: Total EOs % of EOs
6 30 %
Grazing 4 20%
Foot traffic/trampling 2 10%
Mining 1 5%
ORV activity 1 5%
Development 1 5%
Erosion/runoff 1 5%

Notes

Known from the Mt. Eddy and Cory Pk. areas. See Botanical Gazette 7:6 (1882) for original description, and Phytologia 66(4):356-357 (1989) for taxonomic treatment.
Threats:
Taxonomy:

Selected References

USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].