Montagne, Jean Pierre Francois Camille

Moreau, M. et Mme. Fernand

Morgan, Andrew Price

Mueller, Greg

Mühlenberg, Gotthilf Heinrich Ernst

Murrill, William Alphonso

Nägeli, Karl

Needham, John Tuberville

Nees von Esenbeck, Christian Gottfried Daniel

Nylander, William

Oudemans, Corneille Antoine Jean Abraham

Overholts, Lee Oras