Arenaria rossii subsp. columbiana (Raup) Maguire

Arenaria rossii subsp. columbiana (Raup) Maguire is a synonym sensu FNA Ed. Comm., 2005 of:

Sabulina elegans (Chamisso & Schlechtendal) Dillenberger & Kadereit, an accepted species name sensu Dillenberger & Kadereit, 2014.