Alston, Arthur Hugh Garfit

* September 04, 1902 – March 17, 1958 †

United Kingdom; United Kingdom of Great Britain and Ireland

Collected Polypodiaceae and identified Selaginellaceae

Fedde, Friedrich Karl Georg

* June 30, 1873 – March 14, 1942 †

German Reich

Collected Ranunculaceae and identified Papaveraceae

von Handel-Mazzetti, Heinrich

* February 19, 1882 – February 01, 1940 †

Austria

Collected Asteraceae and identified Ranunculaceae

Sandra Knapp
Knapp, Sandra

United Kingdom

Collected Solanaceae and identified Solanaceae

Lazarides, Michael

* November 30, 1928 – November 14, 2011 †

Australia

Collected Poaceae and identified Poaceae

McClintock, Elizabeth May

* July 07, 1912 – October 19, 2004 †

United States

Collected Asteraceae and identified Hydrangeaceae

Polatschek, Adolf

* December 24, 1932 – November 04, 2015 †

Austria

Collected Poaceae and identified Brassicaceae

Collected Poaceae and identified Poaceae