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Potentilla holmgrenii

D.F. Murray & Elven

Holmgren Cinquefoil

G2Imperiled Found in 1 roadless area NatureServe Explorer →
G2ImperiledGlobal Rank
MediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.873984
Element CodePDROS1B4G0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRosales
FamilyRosaceae
GenusPotentilla
Concept Reference
Murray, D.F. and R. Elven. 2007. A new species and two new combinations in Potentilla sect. Niveae (Rosaceae). Journal of the Botanical Research Institute of Texas 1(2): 811-814.
Taxonomic Comments
Potentilla holmgrenii was described in Murray and Elven (2007) and is accepted by Flora of North America Editorial Committee (2014). Potentilla holmgrenii is not mentioned in Welsh (2009).
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2020-12-22
Change Date2009-03-25
Edition Date2020-12-22
Edition AuthorsTomaino, A. (2020)
Threat ImpactMedium
Range Extent1000-5000 square km (about 400-2000 square miles)
Number of Occurrences1 - 20
Rank Reasons
Potentilla holmgrenii is known only from the high peaks of two mountain ranges in eastern Nevada and one in adjacent Utah. There are four to five occurrences in Nevada and one in Utah. Threats include recreation and climate change.
Range Extent Comments
Potentilla holmgrenii is known from the Schell Creek and Snake ranges in eastern Nevada, and Deep Creek Range in adjacent Utah (Flora of North America Editorial Committee 2014).
Occurrences Comments
In Nevada, there are five occurrences, one of which is historical, according to the Nevada Natural Heritage Program (NatureServe Network Database as of November 2020). There are four research grade photo-based observations, all in Nevada, that appear to correspond to these occurrences (iNaturalist 2020). There is one specimen collected in 1983 from Utah (Murray and Elven 2007; SEINet 2020).
Threat Impact Comments
Recreation and climate change are threats in the alpine habitat of this species (NPS 2014).
Ecology & Habitat

Habitat

Occurs on ridges, fellfields, rocky slopes, and alpine mountain summits (Flora of North America Editorial Committee 2014, Murray and Elven 2007).
Terrestrial Habitats
AlpineBare rock/talus/scree
Other Nations (1)
United StatesN2
ProvinceRankNative
NevadaS2Yes
UtahS1Yes
Threat Assessments
ThreatScopeSeverityTiming
6 - Human intrusions & disturbanceLarge (31-70%)Moderate or 11-30% pop. decline—
6.1 - Recreational activitiesLarge (31-70%)Moderate or 11-30% pop. decline—
11 - Climate change & severe weatherPervasive - largeUnknown—

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Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (1)
Nevada (1)
AreaForestAcres
Snake - Peacock CynHumboldt-Toiyabe National Forest1,069
References (6)
  1. Flora of North America Editorial Committee (FNA). 2014b. Flora of North America north of Mexico. Vol. 9. Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. xxiv + 713 pp.
  2. iNaturalist. 2020. Online. Available: http://www.inaturalist.org (accessed 2020).
  3. Murray, D.F. and R. Elven. 2007. A new species and two new combinations in <i>Potentilla </i>sect. <i>Niveae</i> (Rosaceae). Journal of the Botanical Research Institute of Texas 1(2): 811-814.
  4. Southwest Environmental Information Network (SEINet). 2020. Collections Databases. Online. Available: http://swbiodiversity.org/seinet/collections/index.php (accessed 2020).
  5. U.S. National Park Service (NPS). 2014. Great Basin National Park Species of Management Concern (SOMC). 30 pp. Online. Available: https://www.nps.gov/grba/learn/nature/upload/SOMC_2014Update_Web.pdf.
  6. Welsh, S.L., N.D. Atwood, S. Goodrich and L.C. Higgins. (Eds.) 2009. A Utah Flora. 5th edition, revised 2009, pdf version. Brigham Young University, Provo, Utah, U.S.A. 1061 pp.