Species Details

Calochortus striatus

alkali mariposa-lily

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Scientific Name:
Calochortus striatus Parish
Common Name:
alkali mariposa-lily
Family: Liliaceae
Element Code: PMLIL0D190
USDA Plants Symbol: CAST2
Synonyms/Other Names:
Lifeform: perennial bulbiferous herb
Blooming Period: Apr-Jun
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Elevation:
70 - 1595 meters
230 - 5235 feet
General Habitats:
  • Chaparral
  • Chenopod scrub
  • Mojavean desert scrub
  • Meadows and seeps
Microhabitat Details:
Microhabitat:
  • Alkaline
  • Mesic
Notes:
Threatened by urbanization, grazing, trampling, road construction, hydrological alterations and water diversions that result in the lowering of the water table. Potentially threatened by horticultural collecting. Possibly threatened by non-native plants. On watch list in NV.
Threats:
Taxonomy:
Threat List Total: 14
Total EOs % of EOs
EOs with Threat Listed: 85 75 %
THREAT LIST:
Military operations 38 33%
Development 26 23%
Road/trail construction/maint. 16 14%
Grazing 14 12%
ORV activity 11 9%
Total Occurrences: 113
Element Occurrence Ranks:
A B C D X U
9 24 14 5 4 57
Occurrence Status:
Historical >20 Years 65
Recent <=20 Years 48
Presence:
Presumed Extant 109
Possibly Extirpated 2
Presumed Extirpated 2
California Endemic:
California Island:
States: Name (Code)
California (CA), Nevada (NV)
California Counties and Islands: Name (Code)
Inyo (INY), Kern (KRN), Los Angeles (LAX), San Bernardino (SBD), Tulare (TUL)
Quads: Name (Quad Code)
Arvin (3511827), Big Bear City (3411637), Bissell (3411881), Bole Spring (3611633), Cantil (3511738), Chilao Flat (3411831), Cougar Buttes (3411647), Delano West (3511973), Edwards (3411788), Indian Cove (3411612), Kernville (3511874), Lake Isabella North (3511864), Lake Isabella South (3511854), Lancaster East (3411861), Lancaster West (3411862), Little Buttes (3411873), Lovejoy Buttes (3411757), Lucerne Valley (3411648), Millux (3511922), Paradise Range (3511627), Pinyon Mtn. (3511842), Queen Mtn. (3411611), Redman (3411778), Rogers Lake South (3411777), Rosamond (3411872), Rosamond Lake (3411871), Saltdale NW (3511748), Sanborn (3511811), Soledad Mtn. (3411882), Stevens (3511932), Twentynine Palms (3411621), Waterman Mtn. (3411738), Weldon (3511863), White Dome (3511872), Willow Springs (3411883), Woolstalf Creek (3511853)
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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