CNPS Inventory Plant Detail

Sphaeralcea rusbyi var. eremicola

Common Name:	Rusby's desert-mallow
Family:	Malvaceae
Synonyms:
Element Code:	PDMAL140L1
Full Name:	Sphaeralcea rusbyi Gray var. eremicola (Jeps.) Kearn.
USDA PLANTS Symbol:	SPRUE

Biology
Lifeform: perennial herb Blooming Period: March - June Habitat: • Joshua tree woodland • Mojavean desert scrub

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 S2: Imperiled. Global Rank: G4T2 T2: Imperiled. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 49
Element Occurrence Ranks:

A B C D X U

6 12 3 1 0 27

Population Status:

Historic >20 yrs	Recent <=20 yrs
10	39

Presence:

Present Extant	Possibly Extirpated	Extirpated
49	0	0

Notes
Known only from Death Valley NP (INY Co.) and near Clark Mtn. (SBD Co.). Threatened by grazing. See Manual of the Flowering Plants of California, p. 635 (1925) by W.L. Jepson 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: 1974-01-01 Last Update: 2012-05-15

Location

Elevation: 975 - 1645 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Inyo (INY), Riverside (RIV), San Bernardino (SBD)

Quads: name (DWR code) USGS code
Indian Cove (102C) 34116A2, Fountain Peak (176A) 34115H5, Cima (201A) 35115B5, Mineral Hill (225B) 35115D4, Mescal Range (226A) 35115D5, Valley Wells (226B) 35115D6, Cima Dome (226D) 35115C5, State Line Pass (248B) 35115F4, Ivanpah Lake (248C) 35115E4, Mesquite Lake (249A) 35115F5, Pachalka Spring (249C) 35115E6, Clark Mtn. (249D) 35115E5, Blackwater Mine (274D) 35115G7, Emigrant Canyon (325B) 36117D2, Emigrant Pass (325C) 36117C2, Cottonwood Canyon (348D) 36117E3

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

1483

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 .

-115.625,35.5