Marcel Heuertz
Heuertz, Marcel

(b. July 26, 1904 – d. June 24, 1981)

Luxembourg

Ilse, Hugo

(b. August 14, 1835 – d. February 25, 1900)

German Empire

Identified Asteraceae and collected Asteraceae

Edmond Joseph Klein
Klein, Edmond Joseph

(b. July 12, 1866 – d. December 29, 1942)

Luxembourg

Identified Asteraceae and collected Brassicaceae

Koltz, Jean-Pierre-Joseph

(b. May 05, 1827 – d. July 12, 1907)

Identified Poaceae and collected Asteraceae