CNPS Inventory Plant Detail

Eriogonum grande var. rubescens

Common Name:	red-flowered buckwheat
Family:	Polygonaceae
Synonyms:	Eriogonum grande var. dunklei
Element Code:	PDPGN082J2
Full Name:	Eriogonum grande Greene var. rubescens (Greene) Munz
USDA PLANTS Symbol:	ERGRR

Biology
Lifeform: perennial herb Blooming Period: April - October Habitat: • Coastal bluff scrub • Chaparral • Coastal scrub

Rarity Status
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: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G3T2 T2: Imperiled. G3: (species) Vulnerable.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 31
Element Occurrence Ranks:

A B C D X U

0 4 1 0 0 26

Population Status:

Historic >20 yrs	Recent <=20 yrs
18	13

Presence:

Present Extant	Possibly Extirpated	Extirpated
31	0	0

Notes
Threatened by feral herbivores, and by cattle grazing on SRO Isl. Includes E. grande var. dunklei. See Pittonia 1:39 (1887) for original description, and Phytologia 66(4):333-334 (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: 1980-01-01 Last Update: 2010-03-15

Location

Elevation: 10 - 245 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Anacarpa Island (ANA), Santa Cruz Island (SCZ), San Miguel Island (SMI), Santa Rosa Island (SRO)

Quads: name (DWR code) USGS code
Anacapa Island (ANAC) 33119H3, Santa Cruz Island A (SCZA) 33119H7, San Miguel Island East (SMIE) 33120H3, San Miguel Island West (SMIW) 33120H4, Santa Rosa Island East (SROE) 33119H8, Santa Rosa Island North (SRON) 33120H1, Santa Rosa Island South (SROS) 33120G1, Santa Rosa Island West (SROW) 33120H2

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

746

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-119.34,33.98