Berberis muelleri Laferrière, Joseph E., & Jorge S. Marroquín. 1990. Berberis pimana (Berberidaceae): a new species from northwestern Mexico. Madroño 37(4):283-288. is a shrub with compound leaves, native to the Mexican State of Nuevo León.
The compound leaves place this species in the group sometimes segregated as the genus Mahonia.Loconte, H., & J. R. Estes. 1989. Phylogenetic systematics of Berberidaceae and Ranunculales (Magnoliidae). Systematic Botany 14:565-579.Marroquín, Jorge S., & Joseph E. Laferrière. 1997. Transfer of specific and infraspecific taxa from Mahonia to Berberis. Journal of the Arizona-Nevada Academy of Science 30(1):53-55.Laferrière, Joseph E. 1997. Transfer of specific and infraspecific taxa from Mahonia to Berberis. Bot. Zhurn. 82(9):96-99.
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