Rupert Charles Barneby
October 06, 1911 – December 05, 2000
United Kingdom; United States of America; United Kingdom of Great Britain and Ireland

Collected Fabaceae and identified Fabaceae

Collected Moraceae and identified Moraceae

Collected Fabaceae and identified Convolvulaceae
Francisco José Cabezas
Spain

Collected Poaceae and identified Commelinaceae
Collected Annonaceae and identified Annonaceae
Collected Cyperaceae and identified Cyperaceae

Collected Isoetaceae and identified Pteridaceae
Charles Edward Hubbard
May 23, 1900 – May 08, 1980
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Poaceae and identified Poaceae
Identified Apocynaceae

Collected Cucurbitaceae and identified Cucurbitaceae
Zdenek Kaplan
Czechia

Collected Potamogetonaceae and identified Potamogetonaceae
Edgar Milne-Redhead
May 24, 1906 – June 29, 1996
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Fabaceae and identified Fabaceae

Collected Fabaceae and identified Euphorbiaceae

Collected Apiaceae and identified Lamiaceae
Collected Asteraceae and identified Asteliaceae
Collected Fabaceae and identified Fabaceae
Bernard Verdcourt
January 20, 1925 – October 25, 2011
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Fabaceae and identified Rubiaceae

Collected Salicaceae and identified Campanulaceae