Breidler, Johann

* September 12, 1828 – July 24, 1913 †

Identified Brachytheciaceae and collected Grimmiaceae

Ilse, Hugo

* August 14, 1835 – February 25, 1900 †

German Empire

Identified Asteraceae and collected Asteraceae

Franz Unger
Unger, Franz

* November 30, 1800 – February 13, 1870 †

Austria

Identified Poaceae and collected Marattiaceae