Has collected specimens later identified by:
Collected Cladoniaceae and identified Cladoniaceae
Collected Pottiaceae and identified Sphagnaceae
Collected Parmeliaceae and identified Parmeliaceae
Collected Brachytheciaceae and identified Brachytheciaceae
Collected Brachytheciaceae and identified Brachytheciaceae
Elke Mackenzie
September 11, 1911 – January 18, 1990
United Kingdom; United States; United Kingdom of Great Britain and Ireland
Collected Stereocaulaceae and identified Stereocaulaceae
Ian D. Medeiros
United States; South Africa
Collected Cladoniaceae and identified Graphidaceae
Collected Sphagnaceae and identified Asteraceae
Collected Fabaceae and identified Parmeliaceae
Collected Pottiaceae and identified Funariaceae