CNPS Inventory Plant Detail

Eriogonum giganteum var. formosum

Common Name:	San Clemente Island buckwheat
Family:	Polygonaceae
Synonyms:
Element Code:	PDPGN082A2
Full Name:	Eriogonum giganteum Wats. var. formosum K. Bdg.
USDA PLANTS Symbol:	ERGIF

Biology
Lifeform: perennial deciduous shrub Blooming Period: March - October Habitat: • Coastal bluff scrub (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: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2T2 T2: Imperiled. G2: (species) Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 39
Element Occurrence Ranks:

A B C D X U

0 0 0 0 0 39

Population Status:

Historic >20 yrs	Recent <=20 yrs
2	37

Presence:

Present Extant	Possibly Extirpated	Extirpated
39	0	0

Notes
In review. Possibly threatened by Navy activities. Feral herbivores removed from SCM Isl., and vegetation recovering. See Phytologia 66(4):318-319 (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: 1974-01-01 Last Update: 2012-09-25

Location

Elevation: 10 - 455 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
San Clemente Island (SCM)

Quads: name (DWR code) USGS code
San Clemente Island Central (SCMC) 32118G4, San Clemente Island North (SCMN) 32118H5, San Clemente Island South (SCMS) 32118G3

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

742

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 .

118.46,32.835