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

University of Wisconsin - Madison
Catalog #: WIS-B-0047791
P. Dusén #s.n. 06 April 1891
Rhynchostegium Bruch & Schimp.
Cameroon, Ad Barrikam pagum (in territerio Batange)