Synonyms
Agrostis diffusa Muhl.
Agrostis sylvatica Torr.
Muhlenbergia umbrosa Scribn.
Muhlenbergia sylvatica var. gracilis Scribn.
Muhlenbergia viridissima Nees ex Trin.
Muhlenbergia diffusa Farw.
Muhlenbergia sylvatica f. attenuata (Scribn.) E.J.Palmer & Steyerm.
Muhlenbergia sylvatica var. robusta Fernald
Muhlenbergia umbrosa f. attenuata (Scribn.) Deam
Muhlenbergia sylvatica var. vulpina Alph.Wood
Muhlenbergia umbrosa subsp. attenuata Scribn.
Muhlenbergia diffusa var. attenuata (Scribn.) Farw.