Phellodon niger
| Phellodon niger | |
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| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Thelephorales |
| Family: | Bankeraceae |
| Genus: | Phellodon |
| Species: | P. niger |
| Binomial name | |
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Phellodon niger (Fr.) P.Karst. (1881) |
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Phellodon niger, commonly known as the black tooth, is a species of tooth fungus in the family Bankeraceae, and the type species of the genus Phellodon. It was originally described by Elias Magnus Fries in 1815 as a species of Hydnum.Petter Karsten included it as one of the original three species when he circumscribed Phellodon in 1881. The fungus is found in Europe and North America, although molecular studies suggest that the North American populations represent a similar but genetically distinct species.
Phellodon niger was originally described by Swedish mycologist Elias Fries in 1815 as a species of Hydnum. The genus Phellodon was circumscribed in 1881 by Finnish mycologist Petter Karsten to contain white-toothed fungi. Karsten included three species: P. cyathiformis, P. melaleucus, and the type, P. niger (originally published with the epithet "nigrum").
The variety Phellodon niger var. alboniger, published by Kenneth Harrison in 1961, is considered synonymous with Phellodon melaleucus. Lucien Quélet's 1886 Calodon niger is a synonym of Phellodon niger. Taxonomic synonyms (i.e., based on a different type) include: Hydnum olidum (Berkeley, 1877); Hydnum cuneatum (Lloyd 1925); and Hydnum confluens (Peck 1874). The DNA sequences of the internal transcribed spacer regions of collections from the United Kingdom were compared with collections made in the Southern United States. They showed a 92–93% similarity, suggesting that the North American populations are a different species with very similar morphological characteristics.
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