Lesquerella arctica subsp. purshii (S. Watson) A.E. Porsild

Lesquerella arctica subsp. purshii (S. Watson) A.E. Porsild is a synonym sensu FNA Ed. Comm., 2010 of:

Physaria arctica (Wormskjöld ex Hornemann) O'Kane & Al-Shehbaz, an accepted species name sensu FNA Ed. Comm., 2010.