Leonard John Brass

May 17, 1900 – August 29, 1971

United States; Australia

Poaceae

Collected Poaceae and identified Fabaceae

Howard Alvin Crum

July 14, 1922 – April 30, 2002

United States

Pottiaceae

Collected Pottiaceae and identified Sphagnaceae

Walter Jacob Eyerdam

1892 – 1974

Poaceae

Collected Poaceae and identified Parmeliaceae

John Macoun
John Macoun

April 17, 1831 – June 18, 1920

Canada

Poaceae

Collected Poaceae and identified Cyperaceae

Wilfred Borden Schofield

July 19, 1927 – November 05, 2008

Canada

Sphagnaceae

Collected Sphagnaceae and identified Grimmiaceae

Rodney Howard True

1866 – 1940

United States

Cyperaceae

Collected Cyperaceae and identified Dicranaceae