Home/Species/ Shevock's Rockcress

Boechera shevockii

Windham & Al-Shehbaz

Shevock's Rockcress

G1Critically Imperiled Found in 2 roadless areas NatureServe Explorer →

G1Critically ImperiledGlobal Rank

UnknownThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.865007

Element CodePDBRA40120

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single state or province

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderCapparales

FamilyBrassicaceae

GenusBoechera

Concept Reference

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.

Conservation Status

Rank Method Rank calculation - Biotics v2

Review Date2021-05-24

Change Date2011-07-14

Edition Date2021-05-24

Edition AuthorsBittman and Treher (2016), rev. Treher (2021)

Threat ImpactUnknown

Range Extent<100 square km (less than about 40 square miles)

Number of Occurrences1 - 5

Rank Reasons

Boechera shevockii is endemic to California (U.S.A.) and found only in Sequoia National Forest where there is one known occurrence. It may be threatened by recreation. Trails may need to be diverted to protect plants. Survey potential habitat for additional locations.

Range Extent Comments

Boechera shevockii is endemic to California and known only from the type locality in the southern Sierra Nevada in Tulare County.

Threat Impact Comments

Recreation might be a threat to this species as hikers and rock climbers could trample plants.

Ecology & Habitat

Habitat

This species occurs on the ledges of granitic rock outcrops in upper montane coniferous forest (CNPS 2020, FNA 2010).

Terrestrial Habitats

Bare rock/talus/scree

Other Nations (1)

United StatesN1

Province	Rank	Native
California	S1	Yes

Threat Assessments

Threat	Scope	Severity	Timing
6 - Human intrusions & disturbance	Large (31-70%)	Unknown	High (continuing)
6.1 - Recreational activities	Large (31-70%)	Unknown	High (continuing)

Plant Characteristics

DurationPERENNIAL, Long-lived

Economic Value (Genus)No

Roadless Areas (2)

California (2)

Area	Forest	Acres
Rincon	Sequoia National Forest	54,610
Slate Mtn.	Sequoia National Forest	12,299

References (2)

California Native Plant Society (CNPS). 2020. Inventory of Rare and Endangered Plants (online edition, v8-03 0.39). California Native Plant Society, Sacramento, CA. Online. Available: http://www.rareplants.cnps.org (accessed 2020).
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.

Boechera shevockii

Habitat

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