Synonyms and Alternate Names:
Bestia breweriana (Lesq.) Grout
Bestia breweriana var. howei (Kindb.) Grout
Bestia breweriana var. lutescens (Lesq. & James) Grout
Bestia cristata (Hampe) L. Koch
Isothecium brewerianum (Lesq.) Kindb. in Mac. & Kindb.
Isothecium cristatum var. howei (Kindb.) Crum, Steere & Anderson
Isothecium cristatum var. lutescens (Lesq. & James) Crum, Steere & Anderson
Pterogonium peregrinum Schimp.