Miguel Ángel Soto Arenas

* July 12, 1963 – August 27, 2009 †

Mexico

Orchidaceae

Collected Orchidaceae and identified Orchidaceae

Dennis Eugene Breedlove

* September 14, 1939 – June 04, 2012 †

United States

Asteraceae

Collected Asteraceae and identified Fagaceae

Carl Albert Purpus

* February 26, 1851 – January 17, 1941 †

German Reich

Asteraceae

Collected Asteraceae and identified Solanaceae