Koyama, Hiroshige
Koyama, Mitsuo
Kraenzlin, Friedrich Wilhelm Ludwig
Krascheninnikov, Ippolit Mikhailovich
Kress, Walter John Emil
Křísa, Bohdan
Kron, Francis Joseph
Krukoff, Boris Alexander
Ku, Tsue Chih
Kükenthal, Georg
Kunth, Carl Sigismund
Kuntze, Carl Ernst Otto
Kunze, Gustav
Kupffer, Karl Reinhold
Kupicha, Frances Kristina
Kurlovich, Boguslav Stanislavovich
Kuznetsov, Nikolai
L'Héritier de Brutelle, Charles Louis
Labillardière, Jacques-Julien Houtou de
Lagasca y Segura, Mariano
Lam, Herman Johannes
Lamarck, Jean-Baptiste de
Lammers, Thomas G.
Lange, Peter James de
Lapeyrouse, Philippe-Isidore Picot de
Laubenfels, David John de
Lavin, Matt
Lawrence, George
Lawrence, George Hill Mathewson
Lecoq, Henri