Science photo

Extensive plant archive
Dr Jörn Hentschel is the curator responsible for sorting specimens in the depository of the »Haussknecht Herbarium« at the University of Jena. With more than three million specimens of dried plants, a library containing around 170,000 bibliographic units and an extensive archive, the »Haussknecht Herbarium« is one of the 20 largest herbaria in the world. Dr Jörn Hentschel is the curator responsible for sorting specimens in the depository of the »Haussknecht Herbarium« at the University of Jena. With more than three million specimens of dried plants, a library containing around 170,000 bibliographic units and an extensive archive, the »Haussknecht Herbarium« is one of the 20 largest herbaria in the world. Image: Jens Meyer (University of Jena)