Anthonius Josephus Maria Leeuwenberg

* August 11, 1930 – 2010 †

Kingdom of the Netherlands

Apocynaceae

Collected Apocynaceae and identified Apocynaceae

René Letouzey

* October 21, 1918 – August 04, 1989 †

France

Collected Rubiaceae and identified Ebenaceae

Jean-François Villiers

* March 29, 1943 – March 22, 2001 †

France

Fabaceae

Collected Fabaceae and identified Orchidaceae