Sandwith, Noel Yvri

* September 08, 1901 – May 07, 1965 †

United Kingdom

Collected Poaceae and identified Rosaceae

Schlieben, Hans-Joachim Eberhardt

* May 26, 1902 – July 14, 1975 †

Collected Fabaceae and identified Orchidaceae

Richard Evans Schultes
Schultes, Richard Evans

* January 12, 1915 – April 10, 2001 †

United States

Collected Euphorbiaceae and identified Euphorbiaceae

Emilie Snethlage
Snethlage, Emilie

* April 13, 1868 – November 25, 1929 †

Brazil; Germany

Collected Thamnophilidae

Richard Spruce
Spruce, Richard

* September 10, 1817 – December 28, 1893 †

United Kingdom of Great Britain and Ireland

Collected Fabaceae and identified Fabaceae

Steyermark, Julian Alfred

* January 27, 1909 – October 15, 1988 †

United States

Collected Poaceae and identified Rubiaceae

Johannes Elias Teijsmann
Teijsmann, Johannes Elias

* June 01, 1808 – June 22, 1882 †

Netherlands

Collected Fabaceae and identified Sphagnaceae

Ule, Ernst Heinrich Georg

* March 12, 1854 – July 15, 1915 †

Kingdom of Prussia

Collected Fabaceae and identified Bromeliaceae

de Vogel, Eduard Ferdinand

* 1942 – July 28, 2021 †

Kingdom of the Netherlands

Collected Orchidaceae and identified Orchidaceae

Collected Asteraceae and identified Melanconidaceae

Widder, Felix Joseph

* December 16, 1892 – September 05, 1974 †

Austria

Collected Poaceae and identified Poaceae

Robert Wight
Wight, Robert

* July 06, 1796 – May 26, 1872 †

United Kingdom of Great Britain and Ireland; Great Britain; United Kingdom

Collected Poaceae

Winkler, Hubert J. P.

* February 13, 1875 – June 10, 1941 †

German Reich

Collected Polypodiaceae and identified Rubiaceae

Winkler, Hans

* April 23, 1877 – November 22, 1945 †

German Reich

Collected Rubiaceae

Wurdack, John Julius

* April 28, 1921 – May 13, 1998 †

United States

Collected Melastomataceae and identified Melastomataceae

Georg August Zenker
Zenker, Georg August

* June 11, 1855 – February 06, 1922 †

Germany; German Empire

Collected Rubiaceae and identified Fabaceae