CNPS Inventory Plant Detail

Eriogonum nudum var. regirivum

Common Name:	Kings River buckwheat
Family:	Polygonaceae
Synonyms:
Element Code:	PDPGN0849F
Full Name:	Eriogonum nudum Benth. var. regirivum Rev. & J. Stebbins
USDA PLANTS Symbol:	ERNUR

Biology
Lifeform: perennial herb Blooming Period: August - November Habitat: • Cismontane woodland (carbonate, rocky)

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G5T2 T2: Imperiled. G5: (species) Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 5
Element Occurrence Ranks:

A B C D X U

1 0 0 0 0 4

Population Status:

Historic >20 yrs	Recent <=20 yrs
2	3

Presence:

Present Extant	Possibly Extirpated	Extirpated
5	0	0

Notes
Known only from 5 extant occurrences. Possibly extirpated from CCA Co. See Phytologia 66(3):246-248 (1989) for original description and 66(4):329-332 (1989) for taxonomic treatment. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1994-01-01 Last Update: 2010-10-28

Location

Elevation: 150 - 300 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Fresno (FRE)

Quads: name (DWR code) USGS code
Miramonte (355A) 36119F1, Hume (375C) 36118G8, Patterson Mtn. (376A) 36119H1, Verplank Ridge (376D) 36119G1, Pine Flat Dam (377D) 36119G3

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1668

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

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