At present, the lichen herbarium comprises more than 37,000 specimens. An exceptionally valuable part of the collection is the lichen herbarium of Carl Gottlob Mosig which was created around the year 1800. It contains numerous type specimens of taxa that were described in the “Lichenographia universalis” of Erik Acharius (1810). Altogether approx. 800 collectors are represented in the museum collection. Particularly extensive material originates from the gatherings of Alwin Schade, Herbert Schindler, Hermann Lange, Johann Christian Breutel, Jules Charles Emile Riotte, Andreas Gnüchtel and our own collecting activities.
figs: Isotype specimen of Verrucaria laevata Ach., described on p. 284 in the "Lichenographia universalis" of Acharius (1810), collected by C. G. Mosig near Zschocha (Upper Lusatia, collection site today situated in Poland); label hand-written by Mosig (for magnification, click on image)
The bryophyte herbarium comprises approx. 26,000 specimens. A highlight is the liverwort herbarium of Johann Georg Christian Lehmann created in the middle of the 19th century. It comprises a large number of type specimens from all over the world, with collectors as e.g. Charles Darwin, Joseph Dalton Hooker and Christian Friedrich Ecklon. Altogether approx. 300 collectors are represented by specimens in the bryophyte herbarium. Particularly plenty material originates from Johann Christian Breutel, Heinz Eckardt and Markus Reimann.
figs: type specimen of Lepidozia chordulifolia Tayl. from the Lehmann herbarium, collected by Charles Darwin during his trip on board the "Beagle" in the Chonos Archipelag near the coast of Chile (for magnification click on image)
Since 1.1.2009 the collection is part of the Herbarium Senckenbergianum.