Argent, Graham Charles George

* May 15, 1941 – April 24, 2019 †

United Kingdom

Collected Ericaceae and identified Ericaceae

Beaman, John Homer

* June 20, 1929 – August 07, 2015 †

United States

Collected Rubiaceae and identified Rubiaceae

Collected Lamiaceae and identified Lamiaceae

Collected Apocynaceae and identified Apocynaceae

Hartmann, Heidrun

* August 05, 1942 – July 11, 2016 †

Germany

Aizoaceae

Collected Aizoaceae and identified Aizoaceae

Hilliard, Olive Mary

* July 04, 1925 – 2017 †

South Africa

Asteraceae

Collected Asteraceae and identified Scrophulariaceae

Holttum, Richard Eric

* July 26, 1895 – September 18, 1990 †

United Kingdom

Thelypteridaceae

Collected Thelypteridaceae and identified Thelypteridaceae

Collected Cyperaceae and identified Asparagaceae

Mendum, Mary

* 1945 – February 13, 2004 †

United Kingdom

Gesneriaceae

Collected Gesneriaceae and identified Gesneriaceae

Collected Gesneriaceae and identified Apocynaceae

Collected Zingiberaceae and identified Zingiberaceae

Obermeyer, Anna Amelia

* July 30, 1907 – October 10, 2001 †

British Empire; South Africa

Iridaceae

Collected Iridaceae and identified Iridaceae

Collected Lamiaceae and identified Lamiaceae

Peterson, Bo-Hagard

* May 15, 1918 – July 29, 1990 †

Fabaceae

Collected Fabaceae and identified Thymelaeaceae

Collected Poaceae and identified Poaceae

Poulsen, Axel Dalberg

United Kingdom

Zingiberaceae

Collected Zingiberaceae and identified Zingiberaceae

de Vogel, Eduard Ferdinand

* 1942 – July 28, 2021 †

Kingdom of the Netherlands

Orchidaceae

Collected Orchidaceae and identified Orchidaceae

de Winter, Bernard

* July 31, 1924 – May 08, 2017 †

South Africa

Poaceae

Collected Poaceae and identified Malvaceae

Zuloaga, Fernando

Argentina

Poaceae

Collected Poaceae and identified Poaceae