Dusén, Musci Afr. Camerun.
Per K. H. Dusén [1 - 921]

University of Wisconsin - Madison
Catalog #: WIS-B-0043469
P. Dusén #s.n. 13 July 1891
Dicranum Hedw.
Cameroon, In montibus Camerunensibus ad Bueam pagum.