Large diversity of lichens in the Hortus botanicus Leiden
Last year, biology student Harold Timans started making an inventory of lichens in the Hortus as part of an Honours course. The inventory showed that there are 111 species of lichen in the garden, some of which are rare or even very rare. Harold wrote an article about it, which was published in Buxbaumiella, the magazine of the Bryological and Lichenological Working Group (BLWG).
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