Gilg, Ernst Friedrich

* January 12, 1867 – October 11, 1933 †

Germany

Identified Loasaceae and collected Apiaceae

Identified Cyperaceae and collected Cyperaceae

Identified Apocynaceae and collected Apocynaceae

Graebner, Paul

* June 29, 1871 – February 06, 1933 †

Germany

Identified Typhaceae and collected Pinaceae

Abel Joel Grout
Grout, Abel Joel

* 1867 – March 27, 1947 †

United States

Identified Brachytheciaceae and collected Amblystegiaceae

Harms, Hermann

* July 16, 1870 – November 27, 1942 †

German Empire Weimar Republic Nazi Germany

Identified Fabaceae and collected Poaceae

Heimerl, Anton

* February 15, 1857 – March 04, 1943 †

Austria

Identified Asteraceae and collected Poaceae

Identified Asteraceae and collected Asteraceae

Heinrichs, Jochen

* March 14, 1969 – April 22, 2018 †

Identified Plagiochilaceae and collected Plagiochilaceae

Paul Christoph Hennings
Hennings, Paul Christoph

* November 27, 1841 – October 14, 1908 †

Germany

Identified Pucciniaceae and collected Agaricaceae

Identified Eriocaulaceae and collected Eriocaulaceae

Georg Hans Emmo Wolfgang Hieronymus
Hieronymus, Georg Hans Emmo Wolfgang

* February 15, 1846 – January 18, 1921 †

Germany

Identified Selaginellaceae and collected Asteraceae

Hou, Ding

* 1921 – 2008 †

Indonesia

Identified Anacardiaceae and collected Anacardiaceae

Hunziker, Armando Theodoro

* August 29, 1919 – December 12, 2001 †

Argentina

Identified Solanaceae and collected Asteraceae

Irmscher, Edgar

* August 17, 1887 – May 03, 1968 †

Germany

Identified Begoniaceae and collected Saxifragaceae

Jablonszky, Eugene

* April 05, 1892 – May 24, 1975 †

Germany

Identified Euphorbiaceae and collected Poaceae

Johnston, Peter

New Zealand

Identified Rhytismataceae and collected Rhytismataceae

Kaplan, Zdenek

Czechia

Identified Potamogetonaceae and collected Potamogetonaceae

Identified Asteraceae and collected Asteraceae

Killip, Ellsworth Paine

* September 02, 1890 – November 21, 1968 †

United States

Identified Passifloraceae and collected Asteraceae

Identified Fabaceae and collected Fabaceae

Sandra Knapp
Knapp, Sandra

United Kingdom

Identified Solanaceae and collected Solanaceae

Kostermans, André Joseph Guillaume Henri

* July 01, 1906 – July 10, 1994 †

Dutch East Indies; Indonesia

Identified Lauraceae and collected Fabaceae

Krukoff, Boris Alexander

* July 20, 1898 – January 19, 1983 †

Russian Empire United States of America

Identified Loganiaceae and collected Annonaceae

Kükenthal, Georg

* March 30, 1864 – October 20, 1955 †

Germany

Identified Cyperaceae and collected Cyperaceae

Legrand, C. Diego

* November 01, 1901 – December 06, 1986 †

Uruguay

Identified Myrtaceae and collected Myrtaceae

Leuenberger, Beat Ernst

* August 27, 1946 – May 20, 2010 †

Switzerland

Identified Cactaceae and collected Cactaceae

Identified Fabaceae and collected Fabaceae

Identified Aizoaceae and collected Aizoaceae

Lindau, Gustav

* May 02, 1866 – October 10, 1923 †

Germany

Identified Acanthaceae and collected Trichocomaceae