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Primula nevadensis

N. Holmgren

Nevada Primrose

G2Imperiled Found in 4 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.131346
Element CodePDPRI080E0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderPrimulales
FamilyPrimulaceae
GenusPrimula
Synonyms
Primula cusickiana var. nevadensisN. H. Holmgren (N. H. Holmgren & S. Kelso)
Other Common Names
Nevada primrose (EN)
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.
Taxonomic Comments
Holmgren (2005) and FNA (vol. 8, 2009) reduce Primula nevadensis (= P. cusickiana var. nevadensis) to varietal status under P. cusickiana.
Conservation Status
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2016-06-23
Change Date2001-06-12
Edition Date2016-06-23
Edition AuthorsOrmes, M. (1986), rev. Nachlinger/Maybury (1997), rev. Treher (2016)
Threat ImpactUnknown
Range Extent250-1000 square km (about 100-400 square miles)
Number of Occurrences6 - 20
Rank Reasons
Known from 10,200-11,590 feet elevation at 10 sites in eastern Nevada. Locally abundant, but only where its quite specific habitat requirements are met. Even though this species has never been successfully cultivated, the biggest threat to its survival comes from collection for horticultural purposes, but this is unlikely due to remote locations. However, systematic survey of the species' occurrences has not yet been done. This process would better reveal abundance and threats.
Range Extent Comments
Nevada endemic that occurs in White Pine county (Snake Range) and Nye county (Quinn Canyon Range).
Occurrences Comments
Ten occurrences in 2 counties as of 2016.
Threat Impact Comments
The biggest threat is collection for horticultural purposes, although it has not been successfully cultivated. This is considered unlikely due to the remote locations.
Ecology & Habitat

Habitat

Alpine areas between 3350 and 3500 m elevation on limestone cliffs and talus slopes. The plants grow mostly on the leeward side of rocks and trees, primarily under bristlecone pine trees (Pinus longaeva) where pine needle duff has created "islands" of soil that hold more moisture and are more acidic than the surrounding dry, alkaline areas.
Terrestrial Habitats
Forest/WoodlandWoodland - ConiferGrassland/herbaceousAlpineBare rock/talus/screeCliff
Palustrine Habitats
HERBACEOUS WETLANDRiparian
Other Nations (1)
United StatesN2
ProvinceRankNative
NevadaS1Yes
Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (4)
Nevada (4)
AreaForestAcres
Bald Mtn.Humboldt-Toiyabe National Forest41,598
Snake - ChokecherryHumboldt-Toiyabe National Forest30,845
Snake - MurphyHumboldt-Toiyabe National Forest27,064
Snake - Pole CynHumboldt-Toiyabe National Forest766
References (6)
  1. Flora of North America Editorial Committee (FNA). 2009. Flora of North America north of Mexico. Vol. 8. Magnoliophyta: Paeoniaceae to Ericaceae. Oxford University Press, New York. xxiv + 585 pp.
  2. Kartesz, J.T. 1988. A flora of Nevada. Ph.D. dissertation. Univ. of Nevada, Reno. 3 volumes. 1729 pp.
  3. 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.
  4. Morefield, J.D., editor. 2001. Nevada rare plant atlas [with rare plant fact sheets]. Available as a pdf file at: http://heritage.nv.gov/atlas/atlas.html. Compiled by the Nevada Natural Heritage Program, Carson City, for the U.S. Fish and Wildlife Service, Reno, Nevada.
  5. Mozingo, H.N., and M. Williams. 1980. The threatened and endangered plants of Nevada. U.S. Fish and Wildlife Service and Bureau of Land Management, Portland, OR. 268 pp.
  6. Richards, J. 2003. <i>Primula</i>. Timber Press, Portland, Oregon. 346 pp.