Charles C. Deam

August 30, 1865 – May 29, 1953

United States

Cyperaceae

Collected Cyperaceae and identified Poaceae

Kenneth Kent Mackenzie

1877 – 1934

United States

Cyperaceae

Collected Cyperaceae and identified Cyperaceae

Edward Groesbeck Voss

February 22, 1929 – February 13, 2012

United States

Cyperaceae

Collected Cyperaceae and identified Poaceae

Edward Bruce Williamson
Edward Bruce Williamson

July 10, 1877 – February 23, 1933

United States

Coenagrionidae

Collected Coenagrionidae and identified Libellulidae