Per Karl Hjalmar Dusén
Dusén, Per Karl Hjalmar

* August 04, 1855 – January 22, 1926 †

Sweden

Identified Asteraceae and collected Asteraceae

Schiffner, Victor Félix

* August 10, 1862 – December 01, 1944 †

Austria

Identified Gymnomitriaceae and collected Lophocoleaceae