CNPS Inventory Plant Detail

Petalonyx thurberi ssp. gilmanii

Common Name:	Death Valley sandpaper-plant
Family:	Loasaceae
Synonyms:	Petalonyx gilmanii
Element Code:	PDLOA04041
Full Name:	Petalonyx thurberi Gray ssp. gilmanii (Munz) Davis & Thompson
USDA PLANTS Symbol:	PETHG

Biology
Lifeform: perennial evergreen shrub Blooming Period: May - September Habitat: • Desert dunes • Mojavean desert scrub

Rarity Status
Rare Plant Rank: 1B.3 Rare, threatened, or endangered in California and elsewhere .3: Not very endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2.3 S2: Imperiled. .3: No current threats known. Global Rank: G5T2 T2: Imperiled. G5: (species) Secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 18
Element Occurrence Ranks:

A B C D X U

1 5 4 0 0 8

Population Status:

Historic >20 yrs	Recent <=20 yrs
11	7

Presence:

Present Extant	Possibly Extirpated	Extirpated
18	0	0

Notes
Distinctiveness from ssp. thurberi needs study. 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: 2012-02-14

Location

Elevation: 260 - 1445 meters

California Endemic: yes

States: California

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

Quads: name (DWR code) USGS code
Old Ibex Pass (252B) 35116F4, Maturango Peak NE (303A) 36117B3, Maturango Peak (303C) 36117A4, Maturango Peak SE (303D) 36117A3, Ryan (323C) 36116C6, The Dunes (326B) 36117D4, Panamint Springs (326C) 36117C4, Nova Canyon (326D) 36117C3, Darwin (327D) 36117C5, Stovepipe Wells (347C) 36117E2, East of Sand Flat (348A) 36117F3, Cottonwood Canyon (348D) 36117E3, Fall Canyon (368C) 36117G2, Ubehebe Crater (389C) 37117A4

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

702

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Wildlife: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-117.25,36.25