Collected Umbilicariaceae and identified Umbilicariaceae

Gunnar Bror Fritiof Degelius

January 27, 1903 – July 22, 1993

Sweden

Parmeliaceae

Collected Parmeliaceae and identified Collemataceae

William Alfred Weber

November 16, 1918 – March 18, 2020

United States

Parmeliaceae

Collected Parmeliaceae and identified Asteraceae