Subdivisions in 5 groups: Andreaeideae, Anthocerotae, Bryidae, Hepaticae, Sphagnidae.

Within the groups, the genera and subgeneric taxa are arranged alphabetically. Types and exsiccatae are included.

Important collections:
A. Allescher, F. C. G. Arnold, C. F. J. E. Correns (approx. 10,000 specimens), R. Düll, W. Freiberg (approx. 10,000 specimens), M. Fürbringer, R. Grützmann (approx. 8,000 specimens), T. C. J. Herzog, A. Holler, G. Hoock (approx. 8,000 specimens), P. G. Lorentz, K. Mägdefrau (approx. 10,000 specimens), L. Molendo, H. K. G. Paul, O. Sendtner, P. Thyssen.

An index of the collectors and lichen collections in M from 1813 to 1988 is given by Hertel & Schreiber (1988) – online version, extended.

General information: IndExs – Index of Exsiccatae

Hand drawings:
Important series: F. Stephani.