Alwyn Howard Gentry
Gentry, Alwyn Howard

* January 06, 1945 – August 03, 1993 †

United States

Identified Bignoniaceae and collected Bignoniaceae

Rosenstock, Eduard

* June 02, 1856 – May 29, 1938 †

German Reich

Identified Pteridaceae and collected Aspleniaceae

Standley, Paul Carpenter

* March 21, 1884 – June 02, 1963 †

United States

Identified Rubiaceae and collected Asteraceae