Clavulinaceae
Clavulina coralloides
Scientific classification
Kingdom:
Fungi
Division:
Basidiomycota
Class:
Agaricomycetes
Order:
Cantharellales
Family:
Clavulinaceae

Donk (1961)
Type genus
Clavulina
J.Schröt. (1888)
Genera

Burgella
Clavulina
Membranomyces
Multiclavula

The Clavulinaceae are a family of fungi in the order Cantharellales. The family is not well defined, but currently comprises species of clavarioid (club and coral) fungi as well as some corticioid (crust- and patch-forming) fungi. These species are nutritionally diverse, some being ectomycorrhizal, others wood-rotting saprotrophs, others lichenized, and yet others lichenicolous (growing on or parasitizing lichens).

Taxonomy

History

The Dutch mycologist Marinus Anton Donk first published the tribe Clavulinae in 1933 to accommodate species of clavarioid fungi in the genus Clavulina that had "stichic" basidia (basidia with nuclear spindles arranged longitudinally). He considered this feature placed the species concerned closer to the chanterelles (Cantharellales) than to other clavarioid fungi. In 1961, he raised the tribe to the rank of family, as the Clavulinaceae.[1] In 1968, Estonian mycologist Erast Parmasto added the corticioid genus Clavulicium to the family, noting that it had very similar basidia to those found in Clavulina.[2]

Current status

Molecular research, based on cladistic analysis of DNA sequences, has confirmed the placement of Clavulina within the Cantharellales,[3] but has not yet addressed the circumscription of the family Clavulinaceae. The corticioid genus Membranomyces (formerly referred to Clavulicium) is closely related.[4] The lichenized clavarioid genus Multiclavula is also closely related[3] and has been included within the family.[5] Several species formerly referred to the corticioid genus Sistotrema may be included, but have not been formally renamed.[6] The genus Burgella, described for a probable anamorph of this latter group is, however, within the family.[6] As such, the Clavulinaceae currently contain 4 genera and over 60 species.[7] The genus Clavulicium which was formerly placed in the Clavulinaceae was found to belong in the new family Stereopsidaceae.[8]

Distribution and habitat

Clavulina amethystina

Species within the family are unusually diverse in habitat and ecology. Species of Clavulina are ectomycorrhizal, forming mutually beneficial associations with the roots of living trees and other plants.[9] Species of Multiclavula are lichens, their basidiocarps typically found scattered on sheets of their associated algae.[5] Species of Membranomyces and "Sistotrema" are presumed to be wood-rotting saprotrophs, typically forming corticioid basidiocarps on the undersides of dead, attached branches or fallen wood. Some of the latter group, however, (including the genus Burgella) often grow on and may parasitize lichens.[6] Collectively, the Clavulinaceae have a cosmopolitan distribution.

References

  1. ↑ Donk MA. (1964). "A conspectus of the families of Aphyllophorales". Persoonia. 3: 199–324.
  2. ↑ Parmasto E. (1968). Conspectus systematis Corticiacearum. Tartu: Acad. Sci. Estonicae.
  3. 1 2 Moncalvo J-M; et al. (2006). "The cantharelloid clade: dealing with incongruent gene trees and phylogenetic reconstruction methods". Mycologia. 98 (6): 937–948. doi:10.3852/mycologia.98.6.937. PMID 17486970. "Archived copy" (PDF). Archived from the original (PDF) on 2011-07-06. Retrieved 2010-12-22.{{cite web}}: CS1 maint: archived copy as title (link)
  4. ↑ Larsson K-H, Larsson E, Kõljalg U (2004). "High phylogenetic diversity among corticioid homobasidiomycetes". Mycological Research. 108 (9): 983–1002. doi:10.1017/S0953756204000851. PMID 15506012.
  5. 1 2 Nelsen MP.; et al. (2007). "Multiclavula ichthyiformis (Fungi: Basidiomycota: Cantharellales: Clavulinaceae), a remarkable new basidiolichen from Costa Rica". American Journal of Botany. 94 (8): 1289–1296. doi:10.3732/ajb.94.8.1289. PMID 21636495.
  6. 1 2 3 Diederich P, Lawrey JD (2007). "New lichenicolous, muscicolous, corticolous and lignicolous taxa of Burgoa s.l. and Marchandiomyces s.l. (anamorphic Basidiomycota), a new genus for Omphalina foliacea, and a catalogue and a key to the non-lichenized, bulbilliferous basidiomycetes". Mycological Progress. 6 (2): 61–80. doi:10.1007/s11557-007-0523-3. S2CID 2471396.
  7. ↑ Kirk PM, Cannon PF, Minter DW, Stalpers JA, eds. (2008). Dictionary of the Fungi (10th ed.). Wallingford: CABI. p. 771.
  8. ↑ Sjökvist E, Pfeil BE, Larsson E, Larsson K-H (2014). "Stereopsidales – a new order of mushroom-forming fungi". PLOS ONE. 9 (8): e106204. Bibcode:2014PLoSO...995227S. doi:10.1371/journal.pone.0095227. PMC 4002437. PMID 24777067. Open access icon
  9. ↑ Olariaga I; et al. (2009). "Species delimitation in the European species of Clavulina (Cantharellales, Basidiomycota) inferred from phylogenetic analyses of ITS region and morphological data". Mycological Research. 113 (11): 1261–1270. doi:10.1016/j.mycres.2009.08.008. PMID 19695328.
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