Species Details

Petalonyx thurberi ssp. gilmanii

Death Valley sandpaper-plant

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Scientific Name:
Petalonyx thurberi Gray ssp. gilmanii (Munz) Davis & Thompson
Common Name:
Death Valley sandpaper-plant
Family: Loasaceae
Element Code: PDLOA04041
USDA Plants Symbol: PETHG
Synonyms/Other Names:
Lifeform: perennial evergreen shrub
Blooming Period: May-Sep
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Elevation:
260 - 1445 meters
855 - 4740 feet
General Habitats:
  • Desert dunes
  • Mojavean desert scrub
Microhabitat Details:
Microhabitat:
Notes:
Distinctiveness from ssp. thurberi needs study.
Threats:
Taxonomy:
Threat List Total: 8
Total EOs % of EOs
EOs with Threat Listed: 10 56 %
THREAT LIST:
Road/trail construction/maint. 6 33%
Mining 4 22%
ORV activity 2 11%
Other 1 5%
Recreational use (non-ORV) 1 5%
Total Occurrences: 18
Element Occurrence Ranks:
A B C D X U
1 5 4 0 0 8
Occurrence Status:
Historical >20 Years 11
Recent <=20 Years 7
Presence:
Presumed Extant 18
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Inyo (INY), San Bernardino (SBD)
Quads: Name (Quad Code)
Cottonwood Canyon (3611753), Darwin (3611735), East of Sand Flat (3611763), Fall Canyon (3611772), Ibex Spring (3511674), Maturango Peak NE (3611723), Maturango Peak SE (3611713), Nova Canyon (3611733), Old Ibex Pass (3511664), Panamint Springs (3611734), Ryan (3611636), Stovepipe Wells (3611752), The Dunes (3611744), Ubehebe Crater (3711714)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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