CNPS Inventory Plant Detail

Claytonia umbellata

Common Name:	Great Basin claytonia
Family:	Montiaceae
Synonyms:
Element Code:	PDPOR030P0
Full Name:	Claytonia umbellata Wats.
USDA PLANTS Symbol:	CLUM

Biology
Lifeform: perennial herb Blooming Period: May - August Habitat: • Subalpine coniferous forest (talus)

Rarity Status
CA Rare Plant Rank: 2.3 Rare, threatened, or endangered in California, but more common elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G5? G5: 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

0 0 0 0 0 5

Population Status:

Historic >20 yrs	Recent <=20 yrs
5	0

Presence:

Present Extant	Possibly Extirpated	Extirpated
5	0	0

Notes
See Botany of the King Exploration, p. 43 (1871) for original description. 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: 2011-08-17

Location

Elevation: 1705 - 3500 meters

California Endemic: no

States: California, Nevada, Oregon

California Counties and Islands: name (code)
Alpine (ALP), Lassen (LAS) *, Mono (MNO), Siskiyou (SIS), Trinity (TRI)

Quads: name (DWR code) USGS code
Mt. Patterson (488A) 38119D3, Heenan Lake (505B) 38119F6, Milford (603A)* 40120B3, Mount Eddy (699C) 41122C4, Scott Mountain (700C) 41122C6, South China Mtn. (700D) 41122C5

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

1633

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 .

-120.25,40.125