John Wesley Grear

1937 – 1981

Fabaceae

Collected Fabaceae and identified Fabaceae

Howard Samuel Irwin
Howard Samuel Irwin

March 28, 1928 – January 23, 2019

United States

Fabaceae

Collected Fabaceae and identified Fabaceae

Paul Otto Schallert

March 05, 1879 – January 1970

Parmeliaceae

Collected Parmeliaceae and identified Cladoniaceae