Hackett, Harold Edmund

* 1938 – 1998 †

Collected Dictyotaceae and identified Sargassaceae

Harris, Stuart Kimball

* 1906 – 1969 †

Collected Orobanchaceae and identified Orobanchaceae

Killip, Ellsworth Paine

* September 02, 1890 – November 21, 1968 †

United States

Collected Asteraceae and identified Passifloraceae

Macbride, James Francis

* May 19, 1892 – June 16, 1976 †

United States

Collected Asteraceae and identified Fabaceae

Ruth Patrick
Patrick, Ruth

* November 26, 1907 – September 23, 2013 †

United States

Collected Pottiaceae and identified Eunotiaceae

Smith, Lyman Bradford

* September 11, 1904 – May 04, 1997 †

United States

Collected Cyperaceae and identified Cyperaceae

Standley, Paul Carpenter

* March 21, 1884 – June 02, 1963 †

United States

Collected Asteraceae and identified Rubiaceae

Steyermark, Cora

* October 19, 1891 – November 04, 1983 †

Collected Asteraceae and identified Asteraceae

Steyermark, Julian Alfred

* January 27, 1909 – October 15, 1988 †

United States

Collected Poaceae and identified Rubiaceae

Womersley, Hugh Brian Spencer

* November 19, 1922 – 2011 †

Australia

Collected Rhodomelaceae and identified Rhodomelaceae