María Mercedes ARBO
Argentina

Collected Fabaceae and identified Turneraceae
Arthur Hugh Garfit Alston
September 04, 1902 – March 17, 1958
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Polypodiaceae and identified Selaginellaceae

Collected Poaceae and identified Orobanchaceae
Ana Maria Giulietti
Brazil

Collected Fabaceae and identified Eriocaulaceae

Collected Poaceae and identified Rubiaceae

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

Collected Poaceae and identified Poaceae

Collected Lejeuneaceae and identified Lejeuneaceae
Ronald William John Keay
May 20, 1920 – April 07, 1998
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Fabaceae and identified Fabaceae
David Kenfack
United States

Collected Rubiaceae and identified Meliaceae

Collected Fabaceae

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

Collected Fabaceae and identified Fabaceae
P. W. Richards
December 09, 1908 – October 04, 1995
United Kingdom; United Kingdom of Great Britain and Ireland

Collected Calymperaceae and identified Parmeliaceae

Collected Asteraceae and identified Bignoniaceae

Collected Poaceae and identified Onagraceae