CNPS Inventory Plant Detail

Atriplex argentea var. hillmanii

Common Name:	Hillman's silverscale
Family:	Chenopodiaceae
Synonyms:
Element Code:	PDCHE04055
Full Name:	Atriplex argentea Nutt. var. hillmanii Jones
USDA PLANTS Symbol:	ATHI

Biology
Lifeform: annual herb Blooming Period: June - September Habitat: alkaline. • Great Basin scrub • Meadows and seeps

Rarity Status
CA Rare Plant Rank: 2.2 Rare, threatened, or endangered in California, but more common 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: G5T3? T3: Vulnerable. G5: (species) Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 6
Element Occurrence Ranks:

A B C D X U

0 0 0 0 0 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
5	1

Presence:

Present Extant	Possibly Extirpated	Extirpated
6	0	0

Notes
See Contributions to Western Botany 11:21 (1903) 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: 2001-01-01 Last Update: 2010-03-15

Location

Elevation: 1200 - 1700 meters

California Endemic: no

States: California, Nevada, Oregon

California Counties and Islands: name (code)
Inyo (INY), Lassen (LAS), Mono (MNO), Modoc (MOD), Plumas (PLU)

Quads: name (DWR code) USGS code
Blackrock (372B) 36118H2, Last Chance Range SW (390C) 37117A6, Chalfant Valley (432D) 37118E3, Reconnaissance Peak (587D) 39120G3, Calneva Lake (602A) 40120B1, Karlo (639D) 40120E3, Leonards Hot Springs (707D) 41120E1

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

1829

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 .

-120.25,39.75