Species Details

Eriogonum congdonii

Congdon's buckwheat

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Photo by Steve Matson 2014  max-height:128px; max-width:145px;
Steve Matson 2014
Photo by Steve Matson 2014  max-height:128px; max-width:145px;
Steve Matson 2014
Photo by Sierra Pacific Industries 2011  max-height:128px; max-width:145px;
Sierra Pacific Industries 2011
Scientific Name:
Eriogonum congdonii (S. Stokes) Rev.
Common Name:
Congdon's buckwheat
Family: Polygonaceae
Element Code: PDPGN081A0
USDA Plants Symbol: ERCO19
Synonyms/Other Names:
Lifeform: perennial deciduous shrub
Blooming Period: (May)Jun-Aug(Sep)
Elevation:
800 - 2345 meters
2625 - 7695 feet
General Habitat:
  • Lower montane coniferous forest (serpentinite)
General Micro Habitat:
Micro Habitat:
  • Openings
  • Rocky
  • Serpentinite
Notes:
Possibly threatened by logging. See Aliso 7(2):220 (1970) for original description, and Phytologia 66(4):349 (1989) for taxonomic treatment.
Threats:
Taxonomy:
Other:
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
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS), Trinity (TRI)
Quads: Name (Quad Code)
Billys Peak (4112227), Caribou Lake (4112218), Carrville (4112216), Chicken Hawk Hill (4112214), China Mtn. (4112245), Covington Mill (4012287), Damnation Peak (4012285), Deadman Point (4112384), Grizzly Peak (4112128), Hanland Peak (4012283), Ironside Mtn. (4012374), Lamoine (4012284), Lewiston (4012267), Mount Eddy (4112234), Mumbo Basin (4112225), Schell Mtn. (4012275), Scott Mountain (4112236), Seven Lakes Basin (4112224), Shoeinhorse Mtn. (4112211), Siligo Peak (4012288), South China Mtn. (4112235), Tangle Blue Lake (4112226), Thurston Peaks (4012382), Tombstone Mtn. (4112213), Whiskeytown (4012265), Whisky Bill Peak (4112215), Ycatapom Peak (4112217)
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.

Map

Presumed Extant
Counties   Quads