Taxon Details
Calochortus palmeri var. palmeri
Palmer's mariposa-lily
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Taxon Summary:
Calochortus palmeri var. palmeri, commonly known as Palmer's mariposa-lily, is a perennial bulbiferous herb in the Liliaceae that is found only in California. It occurs within Chaparral, Lower montane coniferous forest, and Meadows and seeps, growing at elevations from 710 to 2390 meters. Calochortus palmeri var. palmeri is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.
Scientific Name: Calochortus palmeri Wats. var. palmeri |
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Common Name: Palmer's mariposa-lily |
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Family: | Liliaceae | |
Element Code: | PMLIL0D122 | |
USDA Plants Symbol: | CAPAP4 | |
Synonyms/Other Names: |
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Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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: |
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Add Date: | 1994-01-01 |
Date Edited: | 2021-11-05 |
Lifeform: perennial bulbiferous herb | ||||||||||||||
Blooming Period: Apr-Jul
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Elevation:
710 - 2390 meters 2330 - 7840 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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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. |
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Threats: |
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Taxonomy: |
Threat List Total: | 16 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 38 | 34 % |
THREAT LIST: | ||
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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% |
Other | 4 | 3% |
Grazing | 4 | 3% |
Erosion/runoff | 3 | 2% |
Recreational use (non-ORV) | 3 | 2% |
Development | 2 | 1% |
Altered flood/tidal/hydrologic regime | 1 | 0% |
Degraded water quality | 1 | 0% |
Improper burning regime | 1 | 0% |
Logging | 1 | 0% |
Mining | 1 | 0% |
Over-collecting/poaching | 1 | 0% |
Total Occurrences: | 111 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
12 | 16 | 12 | 0 | 0 | 71 |
Occurrence Status: | |||||
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Historical >20 Years | 40 | ||||
Recent <=20 Years | 71 |
Presence: | |||||
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Presumed Extant | 111 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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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) |
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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) |
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Notes:
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