Herbarium collections of Charles University are a scientific service department of the Faculty of Science, Charles University, whose main mission is to take care of collections of botanical natural resources owned by Charles University. In their entirety, they represent a collection of a museum nature with a high, difficult to quantify, scientific and historical value. Not only in its age but also in size (rough estimates are around 2.5 million items of vascular plants, mosses, lichens, fungi, but also seeds and fruits) The UK Herbarium Collections are among the 25 most important herbariums in the world and the ten most important they manage. university workplace.