Synonyms and Alternate Names:
Plagiothecium curvifolium auct. Amer.
Plagiothecium denticulatum var. aptychus (Spruce) Lees in Dix.
Plagiothecium denticulatum var. laetum (Schimp. in B.S.G.) Lindb.
Plagiothecium denticulatum var. tenellum Schimp. in B.S.G.