Carl Frederik Albert Christensen (1872-1942) was a Danish systematic botanist.
Dietrich Müller-Doblies (born 1938) is a German systematic botanist.
Each of the APG systems represents the broad consensus of a number of systematic botanists, united in the APG, working at several institutions worldwide.
Palmgren worked as a systematic botanist with microspecies of Taraxacum, Hieracium and other genera.
The currently accepted view by systematic botanists is to place Nothofagus in its own family, Nothofagaceae.
Doris Benta Maria Löve, née Wahlén (January 2, 1918 - February 25, 2000) was a Swedish systematic botanist, particularly active in the Arctic.
She was appointed to the new position of systematic botanist at the CSIRO Division of Plant Industry, Canberra in 1946.
Since the time days of Bentham, the "premier systematic botanist of the nineteenth century"
Herman Theodor "Theo" Holm (February 3, 1854 - December 26, 1932) was a Danish-American systematic botanist.
Áskell Löve (20 October 1916 - 29 May 1994) was an Icelandic systematic botanist, particularly active in the Arctic.