Arabis microphylla var. nubigena (J.F. Macbride & Payson) Rollins

Arabis microphylla var. nubigena (J.F. Macbride & Payson) Rollins is a synonym sensu FNA Ed. Comm., 2010 of:

Boechera paupercula (Greene) Windham & Al-Shehbaz, an accepted species name sensu FNA Ed. Comm., 2010.