Moscow University Herbarium (MW) is the second largest herbarium in Russia after the Komarov Institute. Being available at https://plant.depo.msu.ru/, it is almost completely imaged either at 300 dpi for regular collections or at 600 dpi for type specimens. The herbarium is focused on the flora of temperate Eurasia with an emphasis on the flora of Russia. As of 1 November 2018, physical collections of MW Herbarium include 1,044,571 specimens (incl. 4.8K type specimens) representing 37,200 species and subspecies of vascular plants and 2,223 species and subspecies of bryophytes. Currently, MW holds the 63rd place in the world's ranking (Thiers, 2019). Moscow University Herbarium preserve some important historical collections by G.F. Hoffmann, J.F. Ehrhart, C.B. Trinius, J.R. and J.G.A. Forsters, and their correspondents.