page_title: Hydnaceae
section_title: Current status
hierarchical_section_title: Hydnaceae / Taxonomy / Current status
caption_attribution_description: English: Fruit bodies of the fungus Sistotrema confluens. Photographed in Västerbotten, Sweden.
context_page_description: The Hydnaceae are a family of fungi in the order Cantharellales. Originally the family encompassed all species of fungi that produced basidiocarps having a hymenium consisting of slender, downward-hanging tapering extensions referred to as "spines" or "teeth", whether they were related or not. This artificial but often useful grouping is now more generally called the hydnoid or tooth fungi. In the strict, modern sense, the Hydnaceae are limited to the genus Hydnum and related genera, with basidiocarps having a toothed or poroid hymenium. Species in the family are ectomycorrhizal, forming a mutually beneficial relationship with the roots of trees and other plants. Hydnum repandum is an edible species, commercially collected in some countries and often marketed under the French name pied de mouton.
context_section_description: Molecular research, based on cladistic analysis of DNA sequences, has confirmed Donk's placement of the Hydnaceae as a family within the Cantharellales. The precise boundaries of the family have not been investigated, but it appears that the type and related species of the genus Sistotrema belong within the Hydnaceae, as well as most species of Hydnum itself. These Sistotrema species have poroid basidiocarps and are not closely related to the majority of "Sistotrema" species which may belong within the Clavulinaceae. The status of Corallofungus has not been investigated. According to the Dictionary of the Fungi (10th edition, 2008), the family contains 9 genera and 190 species.
caption: Sistotrema confluens
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