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Josef Bogner
Bogner, Josef

* 1939 – April 23, 2020 †

Germany

Identified Araceae and collected Araceae

Identified Asteraceae and collected Asteraceae

Identified Fabaceae and collected Fabaceae

Joly, Simon

Canada

Identified Rosaceae and collected Rosaceae

Leuenberger, Beat Ernst

* August 27, 1946 – May 20, 2010 †

Switzerland

Identified Cactaceae and collected Cactaceae