Breidler, Johann

* September 12, 1828 – July 24, 1913 †

Collected Grimmiaceae and identified Brachytheciaceae

Collected Asteraceae and identified Asteraceae

Buttler, Karl Peter

* October 26, 1942 – December 23, 2018 †

Germany

Collected Poaceae and identified Brassicaceae

Dudley, Theodore Robert

* 1936 – November 17, 1994 †

United States

Collected Brassicaceae and identified Brassicaceae

Adolf Engler
Engler, Adolf

* March 25, 1844 – October 10, 1930 †

Weimar Republic

Collected Araceae and identified Araceae

August von Hayek
von Hayek, August

* December 14, 1871 – June 11, 1928 †

Austria

Collected Poaceae and identified Poaceae

Collected Asteraceae and identified Asteraceae

Collected Ranunculaceae and identified Salicaceae

Irmscher, Edgar

* August 17, 1887 – May 03, 1968 †

Germany

Collected Marchantiaceae and identified Begoniaceae

Sandra Knapp
Knapp, Sandra

United Kingdom

Collected Solanaceae and identified Solanaceae

Krendl, Franz Xaver

* October 31, 1926 – September 10, 2020 †

Austria

Collected Poaceae and identified Rubiaceae

Markgraf-Dannenberg, Ingeborg

* March 18, 1911 – March 22, 1996 †

Switzerland; Germany

Collected Poaceae and identified Poaceae

Meusel, Hermann

* November 02, 1909 – January 03, 1997 †

Germany

Collected Asteraceae and identified Asteraceae

Collected Poaceae and identified Poaceae

Ronniger, Karl

* August 1871 – 1954 †

Austria

Collected Asteraceae and identified Lamiaceae

Snogerup, Sven Emil

* 1929 – 2013 †

Sweden

Collected Asteraceae and identified Onagraceae

Wagenitz, Gerhard

* May 31, 1927 – January 30, 2017 †

Weimar Republic; Nazi Germany; Germany

Collected Asteraceae and identified Asteraceae

Widder, Felix Joseph

* December 16, 1892 – September 05, 1974 †

Austria

Collected Poaceae and identified Poaceae