Calochortus palmeri

S. Wats.

Palmer's Mariposa Lily

G3Vulnerable Found in 29 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.135629
Element CodePMLIL0D120
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderLiliales
FamilyLiliaceae
GenusCalochortus
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Review Date2016-03-23
Change Date2016-03-23
Edition Date1989-01-18
Edition AuthorsRusso, Mary (TNC WRO), rev. L. Oliver (2003)
Rank Reasons
This species is made up of two varieties endemic to California; variety palmeri and variety munzii. Variety palmeri is decining rapidly and is threatened by grazing.
Range Extent Comments
Calif. state endemic
Threat Impact Comments
No threats are identified for variety munzii, however, variety palmeri is seriously threatened by grazing (CNPS 2001, CNDDB 2003). Other threats to variety palmeri include collecting, orv use, potential dam creation, trail use, trampling and non-native plants (CNDDB 2003).
Ecology & Habitat

Habitat

In vernally moist to wet meadows or on moist, exposed grassy knolls, as well as along creeks or swales, within chaparral, pinyon woodland, and pine forest communities. 1000 - 2400 m.
Terrestrial Habitats
Forest/WoodlandForest - ConiferWoodland - ConiferShrubland/chaparralGrassland/herbaceous
Palustrine Habitats
HERBACEOUS WETLANDRiparian
Other Nations (1)
United StatesN2
ProvinceRankNative
CaliforniaSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (29)
California (29)
AreaForestAcres
AntimonyLos Padres National Forest40,911
Arroyo SecoAngeles National Forest4,703
Barker ValleyCleveland National Forest11,940
Cactus Springs BSan Bernardino National Forest3,106
Cahuilla MountainSan Bernardino National Forest6,952
CajonSan Bernardino National Forest7,548
CalienteCleveland National Forest5,953
City CreekSan Bernardino National Forest9,997
De La GuerraLos Padres National Forest5,418
Deep CreekSan Bernardino National Forest23,869
Garcia MountainLos Padres National Forest7,850
Granite PeakSan Bernardino National Forest450
Hixon FlatSan Bernardino National Forest8,095
Horse Creek RidgeSan Bernardino National Forest8,969
Machesna MountainLos Padres National Forest12,271
ManzanaLos Padres National Forest2,101
Mill PeakSan Bernardino National Forest7,884
Pleasant ViewAngeles National Forest26,395
Pyramid Peak BSan Bernardino National Forest7,194
Rouse HillSan Bernardino National Forest13,745
San Gabriel AddAngeles National Forest2,527
Santa CruzLos Padres National Forest21,182
Sawmill - BadlandsLos Padres National Forest51,362
Sespe - FrazierLos Padres National Forest106,910
Strawberry PeakAngeles National Forest7,245
SugarloafSan Bernardino National Forest8,206
West ForkAngeles National Forest1,169
WestforkAngeles National Forest4,407
WoolstaffSequoia National Forest41,445
References (9)
  1. CalFlora. 2005. Information on California plants for education, research and conservation. Berkeley, California: The CalFlora Database [web application]. Available: http://www.calflora.org/. (Accessed 2005)
  2. California Department of Fish and Game. 2000. Natural Diversity Database (RareFind 2), Version 2.1.2, January 25, 2000. Downloaded in 2003.
  3. California Native Plant Society (CNPS). 2001. Inventory of Rare and Endangered Plants of California (sixth edition). Rare Plant Scientific Advisory Committee, David P. Tibor, Convening Editor. California Native Plant Society. Sacramento, CA. x + 388pp.
  4. Flora of North America Editorial Committee (FNA). 2002a. Flora of North America north of Mexico. Vol. 26. Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York. xxvi + 723 pp.
  5. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  6. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  7. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
  8. Smith, C.F. 1998. A flora of the Santa Barbara region, California. 2nd edition. Santa Barbara Botanic Garden and Capra Press, Santa Barbara. 391 pp.
  9. Twisselmann, E.C. 1967. A flora of Kern County, California. California Native Plant Society, Sacramento. 395 pp.