Species Details

Mentzelia tridentata

creamy blazing star

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Scientific Name:
Mentzelia tridentata (A. Davids.) H.J. Thomps. & Joyce Roberts
Common Name:
creamy blazing star
Family: Loasaceae
Element Code: PDLOA031U0
USDA Plants Symbol: METR4
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Mar-May
JFMAMJJASOND
Elevation:
700 - 1175 meters
2295 - 3855 feet
General Habitats:
  • Mojavean desert scrub
Microhabitat Details:
Microhabitat:
  • Gravelly
  • Rocky
  • Sandy
Notes:
Threatened by vehicles, mining, and grazing. See Bulletin of the Southern California Academy of Sciences 9:71 (1910) for original description, and Phytologia 21(4):287 (1971) for revised nomenclature.
Threats:
Taxonomy:
Threat List Total: 5
Total EOs % of EOs
EOs with Threat Listed: 10 20 %
THREAT LIST:
ORV activity 9 17%
Military operations 7 13%
Mining 2 3%
Development 1 1%
Grazing 1 1%
Total Occurrences: 51
Element Occurrence Ranks:
A B C D X U
4 8 0 2 0 37
Occurrence Status:
Historical >20 Years 19
Recent <=20 Years 32
Presence:
Presumed Extant 51
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Inyo (INY), Kern (KRN), San Bernardino (SBD)
Quads: Name (Quad Code)
Ballarat (3611712), Barstow (3411781), Barstow SE (3411771), Bird Spring (3511723), Camp Rock Mine (3411666), Cantil (3511738), Daggett (3411678), Fry Mountains (3411656), Grand View Mine (3411657), Haiwee Reservoirs (3611728), Iron Ridge (3411655), Lane Mountain (3511618), Little Lake (3511788), Minneola (3411677), Nebo (3411688), Newberry Springs (3411676), Old Woman Springs (3411646), Ord Mountain (3411667), Panamint (3611711), Parker (3411423), Saltdale NW (3511748), Snaggletooth (3411456), Volcano Peak (3511787), West Ord Mountain (3411668), White Horse Mtn. (3411658), Yermo (3411687)
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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