Isabella Abbott
Abbott, Isabella

* June 20, 1919 – October 28, 2010 †

United States

Collected Delesseriaceae and identified Rhodomelaceae

Laurens Sparrius
Sparrius, Laurens

Netherlands

Collected Ramalinaceae and identified Roccellaceae

Womersley, Hugh Brian Spencer

* November 19, 1922 – 2011 †

Australia

Collected Rhodomelaceae and identified Rhodomelaceae