Burtt, Brian Laurence

* August 27, 1913 – May 30, 2008 †

United Kingdom; United Kingdom of Great Britain and Ireland

Collected Asteraceae and identified Gesneriaceae

Cabrera, Ángel Lulio

* October 19, 1908 – July 08, 1999 †

Spain; Argentina

Collected Asteraceae and identified Asteraceae

Friis, Ib

Denmark

Collected Fabaceae and identified Fabaceae

Collected Orchidaceae and identified Orchidaceae

Holstein, Norbert

United Kingdom

Collected Cyperaceae and identified Cucurbitaceae

Joseph Dalton Hooker
Hooker, Joseph Dalton

* June 30, 1817 – December 10, 1911 †

United Kingdom of Great Britain and Ireland

Collected Poaceae and identified Rubiaceae

Collected Poaceae and identified Polypodiaceae

Sandra Knapp
Knapp, Sandra

United Kingdom

Collected Solanaceae and identified Solanaceae

Kostermans, André Joseph Guillaume Henri

* July 01, 1906 – July 10, 1994 †

Dutch East Indies; Indonesia

Collected Fabaceae and identified Lauraceae

Markgraf, Friedrich

* February 01, 1897 – March 08, 1987 †

German Empire; Weimar Republic; Nazi Germany; Germany

Collected Melastomataceae and identified Apocynaceae

Collected Gesneriaceae and identified Apocynaceae

Identified Commelinaceae

Collected Fabaceae and identified Polygonaceae

Rudd, Velva Elaine

* 1910 – December 09, 1999 †

United States

Collected Fabaceae and identified Fabaceae

Trias-Blasi, Anna

United Kingdom

Collected Amaryllidaceae and identified Vitaceae

Veldkamp, Jan Frederik

* March 31, 1941 – November 12, 2017 †

Kingdom of the Netherlands

Collected Poaceae and identified Poaceae

Wilbraham, Joanna

United Kingdom

Collected Orthotrichaceae and identified Orthotrichaceae