This name is a synonym of Sciuro-hypnum populeum (Hedw.) Ignatov & Huttunen.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35114799) with original publication details: Cat. N. Amer. Musci 41 1880.
⥇ A cross-taxon basionym link was ignored while processing this record,
see Hypnum populeum Hedw..
This name was in version 1 of The Plant List, record tro-35114799.