Viktor Ferdinand Brotherus

* October 28, 1849 – February 09, 1929 †

Finland; Grand Duchy of Finland; Russian Empire

Bryaceae

Collected Bryaceae and identified Pottiaceae

Fedor Nikolaevitch Russanov

* 1895 – 1979 †

Sphagnaceae

Collected Sphagnaceae

Feodosiy Viktorovich Sambuk

* 1900 – 1942 †

Soviet Union

Cyperaceae

Collected Cyperaceae and identified Cyperaceae

Vsevolod Pavlovich Savich

* February 19, 1885 – May 25, 1972 †

Russian Empire; Soviet Union

Cladoniaceae

Collected Cladoniaceae and identified Parmeliaceae

Yuri Tsinzerling

* October 23, 1894 – November 1939 †

Soviet Union

Solanaceae

Collected Solanaceae and identified Ranunculaceae