Achnatherum nelsonii (Scribner) Barkworth subsp. nelsonii

Achnatherum nelsonii (Scribner) Barkworth subsp. nelsonii is a synonym sensu FNA Ed. Comm., 2007 of:

Eriocoma nelsonii (Scribner) Romaschenko subsp. nelsonii, an accepted subspecies name sensu Peterson et al., 2019a.