Giess, Johan Wilhelm Heinrich

* February 21, 1910 – September 28, 2000 †

Germany; Namibia

Identified Asteraceae and collected Asteraceae

John Muir
Muir, John

* June 18, 1874 – August 03, 1947 †

United Kingdom

Identified Aizoaceae and collected Asteraceae

Rudolf Schlechter
Schlechter, Rudolf

* October 16, 1872 – November 16, 1925 †

Germany

Identified Orchidaceae and collected Asteraceae

Wilman, Maria

* April 29, 1867 – November 09, 1957 †

South Africa

Identified Fabaceae and collected Poaceae