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

University of Wisconsin - Madison
Catalog #: WIS-B-0048687
P. Dusén #s.n. 20 January 1892
Stereophyllum Mitt.
Cameroon, In montibus Camerunensibus ad Etome pagum