Berberis higginsiae Munz Berberis higginsiae Munz in Aliso 4(1): 91-92. 1958 sec. Ulloa Ulloa & al. 2018=Mahonia higginsiae (Munz) Ahrendt in J. Linn. Soc., Bot. 57: 356. 1961 syn. sec. The Plant List 2013