Ignatov, Mosses of USSR
Mikhail (Misha) S. Ignatov

Duke University Herbarium Bryophyte Collection
Catalog #: 258115
Ignatov, M. #s.n. 23 July 1991
Hypnum hamulosum Schimp.
Russian Federation, Altai, northern shore of Teletzkoye Lake, Yailyu

Field Museum of Natural History
Catalog #: C2028634F
M. Ignatov #s.n. 23 July 1991
Russian Federation