Species Details

Calochortus palmeri var. palmeri

Palmer's mariposa-lily

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Scientific Name:
Calochortus palmeri Wats. var. palmeri
Common Name:
Palmer's mariposa-lily
Family: Liliaceae
Element Code: PMLIL0D122
USDA Plants Symbol: CAPAP4
Synonyms/Other Names:
CA Rare Plant Rank: 1B.2
Fed List: None
State List: None
Global Rank: G3T2
State Rank:
S2
Other Status: BLM_S; SB_CalBG/RSABG; SB_SBBG; USFS_S
CRPR Changes:
Add Date: 1994-01-01
Date Edited: 2021-11-05
Lifeform: perennial bulbiferous herb
Blooming Period: Apr-Jul
JFMAMJJASOND
Elevation:
710 - 2390 meters
2330 - 7840 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest
  • Meadows and seeps
Microhabitat Details:
Microhabitat:
  • Mesic
Notes:
Threatened by development, grazing, non-native plants, recreational activities, and vehicles. See Proceedings of the American Academy of Arts and Sciences 14:266 (1879) for original description, and Annals of the Missouri Botanical Garden 27:459 (1940) for taxonomic treatment.
Threats:
Taxonomy:
Threat List Total: 16
Total EOs % of EOs
EOs with Threat Listed: 38 34 %
THREAT LIST:
Road/trail construction/maint. 17 15%
ORV activity 11 9%
Wood cutting or brush clearing 10 9%
Foot traffic/trampling 10 9%
Non-native plant impacts 5 4%
Total Occurrences: 111
Element Occurrence Ranks:
A B C D X U
12 16 12 0 0 71
Occurrence Status:
Historical >20 Years 34
Recent <=20 Years 77
Presence:
Presumed Extant 111
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Kern (KRN), Los Angeles (LAX), Riverside (RIV), San Bernardino (SBD), San Luis Obispo (SLO), Santa Barbara (SBA), Ventura (VEN)
Quads: Name (Quad Code)
Acton (3411842), Alamo Mountain (3411868), Arvin (3511827), Beaumont (3311688), Big Bear City (3411637), Big Bear Lake (3411628), Breckenridge Mtn. (3511845), Butler Peak (3411731), Butterfly Peak (3311655), Cajon (3411734), Caldwell Mesa (3512023), Carpinteria (3411945), Catclaw Flat (3411616), Chilao Flat (3411831), Claraville (3511843), Condor Peak (3411832), Cuddy Valley (3411971), Fawnskin (3411638), Figueroa Mtn. (3411968), Frazier Mtn. (3411878), Green Valley (3411854), Harrison Mtn. (3411722), Hurricane Deck (3411977), Juniper Hills (3411748), Keller Peak (3411721), Kernville (3511874), La Liebre Ranch (3411876), La Panza (3512032), Lake Arrowhead (3411732), Lake Isabella North (3511864), Lake Isabella South (3511854), Lebec (3411877), Lion Canyon (3411952), Los Machos Hills (3512022), Mint Canyon (3411844), Morongo Valley (3411615), Newhall (3411845), Onyx Peak (3411626), Piute Peak (3511844), Pozo Summit (3512033), Rimrock (3411625), San Bernardino North (3411723), San Rafael Mtn. (3411967), Silverwood Lake (3411733), Sleepy Valley (3411853), Tehachapi NE (3511823), Tehachapi North (3511824), Tehachapi South (3511814), Topatopa Mountains (3411951), Toro Peak (3311654), Valyermo (3411747), Wheeler Springs (3411953), Winters Ridge (3411886), 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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