Berg, Rolf Yngvar

* December 02, 1925 – August 25, 2018 †

Norway

Identified Cystopteridaceae and collected Cyperaceae

Callier, Alfons S.

* 1866 – April 27, 1927 †

Germany

Identified Betulaceae and collected Asteraceae

Chrtek, Jindřich

* October 12, 1930 – February 18, 2008 †

Czech Republic; Czechoslovakia

Identified Poaceae and collected Caryophyllaceae

Downie, Stephen

United States

Identified Asteraceae

Hagström, Johan Oskar

* 1860 – June 1922 †

Identified Potamogetonaceae and collected Potamogetonaceae

Identified Asteraceae and collected Asteraceae

Kaplan, Zdenek

Czechia

Identified Potamogetonaceae and collected Potamogetonaceae

John Axel Nannfeldt
Nannfeldt, John Axel

* January 18, 1904 – November 04, 1985 †

Sweden

Identified Poaceae and collected Orobanchaceae

Carl Hansen Ostenfeld
Ostenfeld, Carl Hansen

* August 03, 1873 – January 16, 1931 †

Denmark; Australia

Identified Cyperaceae and collected Asteraceae

Identified Poaceae and collected Poaceae

Samuelsson, Gunnar

* August 27, 1885 – January 14, 1944 †

Sweden

Identified Rosaceae and collected Asteraceae

Knut Fredrik Thedenius
Thedenius, Knut Fredrik

* November 12, 1814 – March 04, 1894 †

Sweden

Identified Cyperaceae and collected Cyperaceae

Identified Amaranthaceae and collected Amaranthaceae

Wikström, Johan Emanuel

* November 01, 1789 – May 04, 1856 †

Sweden

Identified Fabaceae and collected Cyperaceae