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

University of Wisconsin - Madison
Catalog #: WIS-B-0043968
P. Dusén #s.n. 13 April 1892
Entodon Müll. Hal.
Cameroon, Ad Massakam, pagum in territorio Batangæ