CNPS Inventory Plant Detail

Arenaria lanuginosa var. saxosa

Common Name:	rock sandwort
Family:	Caryophyllaceae
Synonyms:	Arenaria lanuginosa ssp. saxosa
Element Code:	PDCAR040E4
Full Name:	Arenaria lanuginosa (Michx.) Rohrb. var. saxosa (A. Gray) Zarucchi et al.
USDA PLANTS Symbol:	ARLAS

Biology
Lifeform: perennial herb Blooming Period: July - August Habitat: mesic, sandy. • Subalpine coniferous forest • Upper montane coniferous forest

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: G5T5 T5: Secure, considering populations outside California. G5: (species) Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 12
Element Occurrence Ranks:

A B C D X U

0 1 6 0 0 5

Population Status:

Historic >20 yrs	Recent <=20 yrs
2	10

Presence:

Present Extant	Possibly Extirpated	Extirpated
12	0	0

Notes
Possibly threatened by foot traffic. See Smithsonian Contributions to Knowledge 5(6):18 (1853) for original description, and American Midland Naturalist 46(2):498 (1951) for revised nomenclature. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 2001-01-01 Last Update: 2011-03-03

Location

Elevation: 1800 - 2600 meters

California Endemic: no

States: California, Arizona, Baja California, Colorado, New Mexico, Texas, Utah

California Counties and Islands: name (code)
San Bernardino (SBD)

Quads: name (DWR code) USGS code
Moonridge (105A) 34116B7, Big Bear Lake (105B) 34116B8, Forest Falls (105C) 34116A8, San Gorgonio Mtn. (105D) 34116A7

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

1814

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 .

-116.75,34.125