Home/Species/ Burke's Draba

Draba burkei

(C.L. Hitchc.) Windham & Beilstein

Burke's Draba

G2Imperiled Found in 3 roadless areas NatureServe Explorer →

G2ImperiledGlobal Rank

MediumThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.146462

Element CodePDBRA111J1

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single state or province

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderCapparales

FamilyBrassicaceae

GenusDraba

Synonyms

Draba maguirei var. burkeiC.L. Hitchc.

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

FNA (2010, vol. 7) and Windham et al. (2023) accept Draba burkei as a species, distinct from D. maguirei. Kartesz (1994 and 1999) treated D. burkei as a variety of D. maguirei. Windham et al. (2023) distinguish subspecies within D. maguirei (ssp. maguirei and ssp. stonei).

Conservation Status

Rank MethodLegacy Rank calculation - Excel v3.1x

Review Date2015-11-19

Change Date1999-01-27

Edition Date2015-11-19

Edition AuthorsDoug Stone (1995), rev. A. Treher (2015)

Threat ImpactMedium

Range Extent250-1000 square km (about 100-400 square miles)

Number of Occurrences6 - 20

Rank Reasons

This variety is endemic to the northern Wasatch Range in Box Elder, Cache, and Weber counties of Utah. About 15 known occurrences. The primary threat is invasive species.

Range Extent Comments

Endemic to the northern Wasatch Range in Box Elder, Cache, and Weber counties, Utah.

Occurrences Comments

Surveys in 2010, found that 13 of 14 occurrences were extant.

Threat Impact Comments

Threats are minor but include invasive species (Isatis tinctoria and Melilotus officianalis).

Ecology & Habitat

Habitat

Crevices of rock outcrops and shallow, rocky soils in the vicinity of rock outcrops, on a variety of substrates (carbonate, quartzite, schist). Elevation range of known occurrences 5300-9764 feet. Lower-elevation sites are typically on north-or east-facing slopes in rocky openings of Douglas-fir forest. Higher-elevation occurrences are in alpine or subalpine forb-grass vegetation on various exposures.

Terrestrial Habitats

Forest/WoodlandForest - ConiferGrassland/herbaceousAlpineBare rock/talus/scree

Other Nations (1)

United StatesN2

Province	Rank	Native
Utah	S2	Yes

Threat Assessments

Threat	Scope	Severity	Timing
8 - Invasive & other problematic species, genes & diseases	Pervasive (71-100%)	Moderate or 11-30% pop. decline	High (continuing)
8.1 - Invasive non-native/alien species/diseases	Pervasive (71-100%)	Moderate or 11-30% pop. decline	High (continuing)
8.1.2 - Named species	Pervasive (71-100%)	Moderate or 11-30% pop. decline	High (continuing)

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)No

Roadless Areas (3)

Utah (3)

Area	Forest	Acres
Lewis Peak	Wasatch-Cache National Forest	11,616
North Francis	Wasatch-Cache National Forest	8,148
Wellsville	Wasatch-Cache National Forest	1,717

References (4)

Flora of North America Editorial Committee (FNA). 2010. Flora of North America north of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.
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.
Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
Windham, M.D., K.T. Picard, and K.M. Pryer. 2023. An in-depth investigation of cryptic taxonomic diversity in the rare endemic mustard <i>Draba maguirei</i>. American Journal of Botany 110(3): 1-22.

Draba burkei

Habitat

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