Gerardia paupercula subsp. borealis (Pennell) Pennell
Gerardia paupercula subsp. borealis (Pennell) Pennell is a synonym sensu FNA Ed. Comm., 2019 of:
Agalinis purpurea var. parviflora (Bentham) B. Boivin, an accepted variety name sensu FNA Ed. Comm., 2019.