Kohler's Medicinal Plants (Köhler's Medizinal-Pflanzen in naturgetreuen Abbildungen mit kurz erläuterndem Texte : Atlas zur Pharmacopoea germanica) is a German rare medicinal guide published by Franz Eugen Köhler in 1887 in three volumes. It was written by Hermann Köhler, edited by Gustav Pabst, and contains some 300 full page chromolithography illustrations.
Koehler and Kohler are alternate spellings of the name Köhler.