Hydnaceae

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Hydnaceae
Hydnum repandum
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Cantharellales
Family: Hydnaceae
Chevall., 1826
Type genus
Hydnum
Genera

Burgoa (

anamorph
)
Corallofungus
Gloeomucro
Hydnum
Ingoldiella (
anamorph
)

Osteomorpha (
anamorph
)

Paullicorticium
Repetobasidiellum
Sistotrema

Synonyms[1]

Repetobasidiaceae Jülich
Sistotremataceae Jülich

The Hydnaceae are a

ectomycorrhizal, forming a mutually beneficial relationship with the roots of trees and other plants. Hydnum repandum (the hedgehog fungus) is an edible
species, commercially collected in some countries and often marketed under the French name pied de mouton.

Taxonomy

History

The family was originally described in 1826 by French botanist

chanterelles (Cantharellaceae) than to other hydnoid fungi.[3][4] Donk's disposition of the family was widely accepted and a standard 1995 text placed Hydnum and the Hydnaceae within the Cantharellales, though still retaining some additional genera (Amylodontia, Climacodon, Corallofungus, Dentinum, Gloeomucro, Nigrohydnum, Phaeoradulum, and Stegiacantha) within the family.[5]
Most of these have now been placed elsewhere.

Current status

Sistotrema confluens

DNA sequences, has confirmed Donk's placement of the Hydnaceae as a family within the Cantharellales.[6][7] 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.[8] These Sistotrema species have poroid basidiocarps and are not closely related to the majority of "Sistotrema" species which may belong within the Clavulinaceae.[9] 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.[1]

The placement of the Hydnaceae as a family within the Cantharellales:[10]

Cantharellales

Phylogenetic tree presenting the current opinion on relationships among genera:[10]

Description

The fruit bodies of species in the family have caps and stems that are usually centrally attached. Colors typically range from white to yellow to orange, and the teeth are typically lighter than the cap surface. The flesh is fleshy and brittle, and monomitic (consisting of generative hyphae only). The generative hyphae are thin-walled, branched, contain septa, and have clamp connections. Spores range in shape from roughly spherical to egg-shaped, have a smooth surface, and are colorless.[13] A distinctive characteristic of many species in the family is the structure of the hymenium (spore-bearing surface), which consists of pendant, toothlike spines.[14]

Habitat and distribution

All species within the Hydnaceae are believed to be

leaf litter in woodland.[15][16] The family has a cosmopolitan distribution
.

Economic importance

Several species of Hydnum are edible and Hydnum repandum is commercially collected and marketed in Europe,[17] often under the French name pied de mouton.[18] In North America, the related Hydnum umbilicatum is also commercially collected, sometimes under the name "sweet tooth".[19]

References

  1. ^ .
  2. .
  3. ^ a b Donk MA. (1964). "A conspectus of the families of Aphyllophorales". Persoonia. 3: 199–324.
  4. ^ Donk MA. (1933). "Revision der niederländischen Homobasidiomycetae-Aphyllophoraceae II". Medel. Bot. Mus. Univ. Utrecht (in German). 9: 1–278.
  5. .
  6. .
  7. PMID 17486970. Archived from the original
    (PDF) on 2011-07-06.
  8. .
  9. .
  10. ^ .
  11. ^ S. eximum, S. octosporum
  12. ^ S. brinkmannii, S. oblongisporum
  13. ^ "Hydnaceae Chevall. 1826". MycoBank. International Mycological Association. Retrieved 2010-12-16.
  14. .
  15. .
  16. .
  17. ^ HYDNUM REPANDUM products, buy HYDNUM REPANDUM products from. alibaba.com. Retrieved on 2010-12-16.
  18. ^ Pied de Mouton Archived 2010-11-10 at the Wayback Machine. The Mushroom Basket. Retrieved on 2010-12-16.
  19. ^ Fresh Wild Hedgehog (aka Sweet tooth) Mushrooms. Marx Foods. Retrieved on 2010-12-16.