Taxon Report

Calochortus striatus Parish

alkali mariposa-lily

Print Report



  Classification

Scientific Name:
Calochortus striatus Parish
Common Name:
alkali mariposa-lily
Family: Liliaceae
Element Code: PMLIL0D190
USDA Plants Symbol: CAST2
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial bulbiferous herb
Blooming Period: Apr-Jun Apr-Jun
Elevation: 70-1595 (230-5235)
General Habitats: Chaparral, Chenopod scrub, Meadows and seeps, Mojavean desert scrub
Microhabitat: Alkaline, Mesic
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 113
Element Occurrence Ranks:
   Excellent (A) 9
   Good (B) 24
   Fair (C) 14
   Poor (D) 5
   None (X) 4
   Unknown (U) 57
California Endemic:  False
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)

Threat List Data from the CNDDB

Threat List Total: 14
EOs with Threat Listed: Total EOs % of EOs
85 75 %
Military operations 38 33%
Development 26 23%
Road/trail construction/maint. 16 14%
Grazing 14 12%
ORV activity 11 9%
Non-native plant impacts 8 7%
Vandalism/dumping/litter 8 7%
Agriculture 7 6%
Other 6 5%
Surface water diversion 3 2%
Groundwater pumping 2 1%
Mining 1 0%
Dam/Inundation 1 0%
Foot traffic/trampling 1 0%

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:
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 January 2025].