Hylocomium giganteum Perss. nom. nud. non E.B. Bartram
Hylocomium alaskanum (Lesq. & James) Austin
Hylocomium proliferum (Brid.) Lindb.
Hylocomium splendens (Hedw.) Schimp. var. alaskanum (Lesq. & James) Limpr.
Hylocomium splendens (Hedw.) Schimp. var. gracilius (Boul.) Husn.
Hylocomium splendens (Hedw.) Schimp. var. obtusifolium (Geh.) Par.
Hylocomium giganteum Perss. nom. nud. non E.B. Bartram
Hylocomium giganteum Perss. non E.B. Bartram nom. nud.