Graham Charles George Argent

* May 15, 1941 – April 24, 2019 †

United Kingdom

Collected Ericaceae and identified Ericaceae

Max Michael Josephus van Balgooy

* August 14, 1932 – September 03, 2021 †

Indonesia

Collected Rubiaceae and identified Rubiaceae

Collected Rubiaceae and identified Rubiaceae

Jerry Cooper

New Zealand

Collected Mycenaceae and identified Cortinariaceae

David Gamman Frodin

* April 08, 1940 – August 12, 2019 †

United States

Myrtaceae

Collected Myrtaceae and identified Araliaceae

Ding Hou
Ding Hou

* 1921 – 2008 †

Kingdom of the Netherlands

Anacardiaceae

Collected Anacardiaceae and identified Anacardiaceae

Collected Begoniaceae and identified Begoniaceae

Kai Larsen
Kai Larsen

* November 15, 1926 – August 23, 2012 †

Denmark

Collected Rubiaceae and identified Fabaceae

Collected Melastomataceae and identified Melastomataceae

Collected Gesneriaceae and identified Apocynaceae

Hans Peter Nooteboom

* July 02, 1934 – April 20, 2022 †

Kingdom of the Netherlands

Collected Rubiaceae and identified Symplocaceae

Colin Ernest Ridsdale

* January 09, 1944 – January 05, 2017 †

United Kingdom

Collected Rubiaceae and identified Rubiaceae

Collected Lauraceae and identified Lauraceae

Timothy Utteridge

United Kingdom

Arecaceae

Collected Arecaceae and identified Primulaceae

Jan Frederik Veldkamp

* March 31, 1941 – November 12, 2017 †

Kingdom of the Netherlands

Poaceae

Collected Poaceae and identified Poaceae

Collected Diplommatinidae and identified Euphorbiaceae