Grant, Verne Edwin
Grau, Hans Rudolf Jürke
Gray, Asa
Gray, Samuel Frederick
Greene, Edward Lee
Grenier, Jean Charles Marie
Greuter, Werner
Greville, Robert Kaye
Grey-Wilson, Christopher
Grierson, Mary Anderson
Grisebach, August Heinrich Rudolf
Gronovius, Jan Frederik
Gross, Hugo
Grulich, Vít
Guinea López, Emilio
Guittonneau, Guy Georges
Gürke, Robert Louis August Maximilian
Gușuleac, Mihail
Halácsy, Eugen von
Hall, Alfred Daniel
Haller, Albrecht von
Hallier, Johannes Gottfried
Hamilton, Arthur
Hämmerli, Jahel
Hance, Henry Fletcher
Handel-Mazzetti, Heinrich Raphael Eduard Freiherr von
Hara, Hiroshi
Harley, Raymond Mervyn
Harms, Hermann August Theodor
Hart, Hendrik 't