Home/Species/ Wilcox's Barberry

Berberis wilcoxii

Kearney

Wilcox's Barberry

G4Apparently Secure (G4?) Found in 5 roadless areas NatureServe Explorer →

G4Apparently SecureGlobal Rank

UnknownThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.158748

Element CodePDBER02060

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderRanunculales

FamilyBerberidaceae

GenusBerberis

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

Rank Method Rank calculation - Biotics v2

Review Date1991-04-16

Change Date1991-05-07

Edition Date2024-12-11

Edition AuthorsBroaddus, Lynn (1991), rev. Eberly (2024)

Threat ImpactUnknown

Range Extent20,000-200,000 square km (about 8000-80,000 square miles)

Number of Occurrences21 - 80

Rank Reasons

Berberis wilcoxii is an evergreen shrub that occurs in the southwestern United States in Arizona and New Mexico and adjacent Sonora, Mexico.

Range Extent Comments

Berberis wilcoxii occurs in the southwestern United States in Arizona and New Mexico (Hidalgo County) and adjacent Sonora, Mexico. Range extent was estimated using herbarium specimens and photo-based observations documented between 1983 and 2024 (GBIF 2024, iNaturalist 2024, SEINet 2024).

Occurrences Comments

By applying a 1 km separation distance to herbarium records and photo-based observations documented between 1983 and 2024, there are estimated to be at least 83 occurrences rangewide (GBIF 2024, iNaturalist 2024, SEINet 2024).

Threat Impact Comments

Threats to this species are unknown. There are numerous occurrences in public lands including wilderness areas, which affords some inherent protection to the species.

Ecology & Habitat

Habitat

This species grows on dry slopes and canyons at elevations of 1,500 to 2,500 m (Martins and Hutchins 1980, FNA 1997).

Terrestrial Habitats

Desert

Other Nations (1)

United StatesNNR

Province	Rank	Native
Arizona	SNR	Yes
New Mexico	SNR	Yes

Plant Characteristics

DurationPERENNIAL, EVERGREEN

Economic Value (Genus)No

Roadless Areas (5)

Arizona (5)

Area	Forest	Acres
Butterfly Roadless Area	Coronado National Forest	42,296
Chiricahua	Coronado National Forest	76,876
Galiuro	Coronado National Forest	28,333
Happy Valley	Coronado National Forest	7,972
Oracle Roadless	Coronado National Forest	22,365

References (2)

Flora of North America Editorial Committee (FNA). 1997. Flora of North America north of Mexico. Vol. 3. Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York. xxiii + 590 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.