Arabis sparsiflora subsp. secunda (Howell) Piper
Arabis sparsiflora subsp. secunda (Howell) Piper 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 sparsiflora subsp. secunda (Howell) Piper 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.