Berberis aquifolium Pursh

USTH 007377

Eduardo Quisumbing

Strawberry Canyon, Alameda County, California, USA

4/1/1927

Berberis darwinii Hook.

USTH 010168

Eduardo Quisumbing

University of California Campus, Berkeley, California, USA

10/1/1926

Berberis darwinii Hook.

USTH 010167

Eduardo Quisumbing

University of California Campus, Berkeley, California, USA

12/31/1926

Berberis soulieana C.K.Schneid.

USTH 010169

Eduardo Quisumbing

University of California Campus, Berkeley, California, USA

10/1/1926

Mahonia philippinensis Takeda

USTH 003904

Gertrudis Medina

Baguio City, Benguet

12/14/1929

Mahonia philippinensis Takeda

USTH 009297

Myrna Duenas

Mt. Sto. Tomas, Benguet

12/1/1968