Arabis holboellii var. retrofracta (Graham) Rydberg
Arabis holboellii var. retrofracta (Graham) Rydberg is a synonym sensu FNA Ed. Comm., 2010 of:
Boechera retrofracta (Graham) A. Löve & D. Löve, an accepted species name sensu FNA Ed. Comm., 2010.
Arabis holboellii var. retrofracta (Graham) Rydberg is a synonym sensu FNA Ed. Comm., 2010 of:
Boechera retrofracta (Graham) A. Löve & D. Löve, an accepted species name sensu FNA Ed. Comm., 2010.