Karl von Keissler

Keissl.

* April 13, 1872 – January 09, 1967 †

botanist, lichenologist, mycologist

Austrian lichenologist (1872-1967)

Has collected specimens later identified by:

* March 01, 1907 – December 05, 1982 †

United States

Collected Asteraceae and identified Microcoleaceae

2,397 specimens claimed

* April 19, 1916 – September 17, 2013 †

Sweden

Collected Parmeliaceae and identified Parmeliaceae

773 specimens claimed

* March 19, 1844 – April 22, 1918 †

Austria-Hungary

Collected Mycocaliciaceae and identified Mycocaliciaceae

61 specimens claimed