Spartina alterniflora var. glabra (Muhlenberg ex Elliott) Fernald

Spartina alterniflora var. glabra (Muhlenberg ex Elliott) Fernald is a synonym sensu FNA Ed. Comm., 2007 of:

Sporobolus alterniflorus (Loiseleur-Deslongchamps) P.M. Peterson & Saarela, an accepted species name sensu Peterson et al., 2014.