Index Fungorum

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Index Fungorum is an international project to index all formal names (scientific names) in the fungus kingdom. As of 2015^[update] the project is based at the Royal Botanic Gardens, Kew, one of three partners along with Landcare Research and the Institute of Microbiology, Chinese Academy of Sciences.

It is somewhat comparable to the International Plant Names Index (IPNI), in which the Royal Botanic Gardens is also involved. A difference is that where IPNI does not indicate correct names, the Index Fungorum does indicate the status of a name. In the returns from the search page a currently correct name is indicated in green, while others are in blue (a few, aberrant usages of names are indicated in red). All names are linked to pages giving the correct name, with lists of synonyms.

Index Fungorum is one of three nomenclatural repositories recognized by the Nomenclature Committee for Fungi; the others are MycoBank and Fungal Names.^[1]