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

University of Wisconsin - Madison
Catalog #: WIS-B-0044322
P. Dusén #s.n. 00 July 1892
Fissidens calabariae Müll. Hal. ex Dusén
Nigeria, Ad emporium ''Old Calabar"