CNPS Inventory Plant Detail

Eriogonum nudum var. decurrens

Common Name:	Ben Lomond buckwheat
Family:	Polygonaceae
Synonyms:
Element Code:	PDPGN08492
Full Name:	Eriogonum nudum Benth. var. decurrens (S. Stokes) Bowerman
USDA PLANTS Symbol:	ERNUD

Biology
Lifeform: perennial herb Blooming Period: June - October Habitat: sandy. • Chaparral • Cismontane woodland • Lower montane coniferous forest (maritime ponderosa pine sandhills)

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

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
4	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
5	0	0

Notes
Threatened by development and sand mining. See Phytologia 66(4):329-333 (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: 2010-03-15

Location

Elevation: 50 - 800 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Alameda (ALA), Santa Clara (SCL) ?, Santa Cruz (SCR)

Quads: name (DWR code) USGS code
Davenport (408C) 37122A2, Felton (408D) 37122A1, Mindego Hill (428C) 37122C2, La Costa Valley (446D) 37121E7

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

1665

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

Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website http://www.rareplants.cnps.org [accessed ].

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