Davis, Peter Hadland

* June 18, 1918 – March 05, 1992 †

United Kingdom

Collected Asteraceae and identified Lamiaceae

Grierson, Andrew John Charles

* April 24, 1929 – September 11, 1990 †

United Kingdom

Collected Orchidaceae and identified Asteraceae

Klazenga, Niels

Australia

Collected Dicranaceae and identified Dicranaceae

Collected Lejeuneaceae and identified Lejeuneaceae

Weakley, Alan

United States

Collected Sphagnaceae and identified Lycopodiaceae