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Corticiaceae
	Erythricium laetum
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Corticiales
Family:	Corticiaceae; Herter (1910)
Type genus
	Corticium; Pers.
Genera
	Basidiodesertica; Corticium; Disporotrichum; Erythricium; Giulia; Laetisaria; Marchandiomyces ; Mycobernardia; Tretopileus ; Waitea

The Corticiaceae are a family of fungi in the order Corticiales. The family formerly included almost all the corticioid (patch- or crust-forming) fungi, whether they were related or not, and as such was highly artificial. In its current sense, however, the name Corticiaceae is restricted to a comparatively small group of corticioid genera within the Corticiales.

Taxonomy

History

The German mycologist Wilhelm Gustav Franz Herter first published the Corticiaceae in 1910 to accommodate species of hymenomycetes that produced basidiocarps (fruit bodies) which were effused (spread out and patch-like) and had a more or less smooth hymenophore (spore-bearing surface). Since this definition was vague, superficial, and covered a large range of unrelated fungi, the Corticiaceae, though widely adopted, were also widely recognized as an unnatural grouping. Indeed, in a 1964 survey of families, Donk considered the Corticiaceae to be "a nice example of how extremely artificial taxa can be".^[1]

In this wide sense, the boundaries of the Corticiaceae were never clearly defined. It was sometimes separated from the Stereaceae, a family in which fruitbodies had a tendency to form pilei (caps or brackets),^[1] but often these two artificial families were united. In this united sense, the Corticiaceae certainly included the genera and species treated in the standard, 8-volume reference work The Corticiaceae of North Europe (1972-1987), where it was acknowledged that the family was "not a natural taxon but an assemblage of species with similar habitat."^[2] With the addition of non-European species, this meant that the Corticiaceae eventually expanded to include over 200 genera worldwide.^[3] The name "Corticiaceae" is still occasionally used in this wide sense (sensu lato),^[4] but it has generally been replaced by the term "corticioid fungi".^[5]

Current status

Molecular research, based on cladistic analysis of DNA sequences, has limited the Corticiaceae in its strict sense (sensu stricto) to a comparatively small group of ten genera within the Corticiales.^[6]

Description

Though now based on molecular phylogenetics, the Corticiaceae s.s. have certain features partly in common. Basidiocarps, for example, are effused (corticioid) and have a tendency to be pink or orange, as in the type species of Corticium, (C. roseum), and species in genera such as Erythricium, Marchandiomyces, and Laetisaria. Several of the Corticiaceae also produce sclerotia, bulbils, or other anamorphic (asexual) propagules, including species in the genera Corticium, Laetisaria, Marchandiomyces, and Waitea. Finally, many of the Corticiaceae s.s. are obligate or facultative pathogens, such as Erythricium aurantiacum and Marchandiomyces corallinus on lichens and Erythricium salmonicolor, Laetisaria spp, and some Waitea spp on grasses and other plants.^[7]^[8]^[6]

Habitat and distribution

Several species in the Corticiaceae are wood-rotting saprotrophs, typically forming corticioid basidiocarps on the undersides of dead, attached branches, less commonly on fallen wood. Several are parasites of lichens, grasses, or other plants. Giulia tenuis produces a pycnidial anamorph growing on bamboo.^[9] Collectively, they have a cosmopolitan distribution.^[7]^[8]

Economic importance

A number of species within the Corticiaceae are commercially important pathogens of crops or turf grass. Erythricium salmonicolor attacks woody commercial crops (citrus, coffee, rubber, etc.) in the tropics, causing "pink disease".^[10] Waitea oryzae and Waitea zeae cause diseases of cereal crops, including "sheath spot" of rice.^[11]^[12] Waitea circinata causes "brown ring patch" in turf grasses.^[13] Laetisaria fuciformis is the cause of "red thread" disease in turf grass.^[14]

References

^ ^a ^b Donk, M. A. (1 January 1964). "A conspectus of the families of Aphyllophorales". Persoonia. 3 (2): 199–324a. S2CID 82916652.
^ Hjortstam K, Larsson K-H, Ryvarden L (1987). Corticiaceae of North Europe. Vol 1. Oslo: Fungiflora. ISBN 978-82-90724-03-5.
^ Hawksworth DL, Kirk PM, Sutton BC, Pegler DN, eds. (1995). Dictionary of the Fungi (8th ed.). Wallingford, Oxford: CABI. ISBN 978-0-85198-885-6. (In which the "Corticiaceae s.l." is approximately equivalent to the "Stereales")
^ (e.g.) Bernicchia A, Gorjón SP (2010). Fungi Europaei: Corticiaceae s.l. Alassio: Edizioni Candusso. ISBN 978-88-901057-9-1.
^ (e.g.) Hjortstam K, Ryvarden L (2007). "Checklist of corticioid fungi (Basidiomycotina) from the tropics, subtropics and the southern hemisphere". Synopsis Fungorum. 22: 27–146.
^ ^a ^b Ghobad-Nejhad M, Langer E, Nakasone K, Diederich P, Nilsson RH, Rajchenberg M, Ginns J (2021). "Digging Up the Roots: Taxonomic and Phylogenetic Disentanglements in Corticiaceae s.s. (Corticiales, Basidiomycota) and Evolution of Nutritional Modes". Front. Microbiol. 12: 704802. doi:10.3389/fmicb.2021.704802. PMC 8425454. PMID 34512580.
^ ^a ^b Binder, Manfred; Hibbett, David S.; Larsson, Karl-Henrik; Larsson, Ellen; Langer, Ewald; Langer, Gitta (June 2005). "The phylogenetic distribution of resupinate forms across the major clades of mushroom-forming fungi (Homobasidiomycetes)". Systematics and Biodiversity. 3 (2): 113–157. Bibcode:2005SyBio...3..113B. doi:10.1017/S1477200005001623. S2CID 13102957.
^ ^a ^b Lawrey JD, Diederich P, Sikaroodi M, Gillevet PM (2010). "Remarkable nutritional diversity of basidiomycetes in the Corticiales". American Journal of Botany. 95 (7): 816–823. doi:10.3732/ajb.0800078. PMID 21632407. S2CID 23996344.
^ Rungjindamai N, Sakayaroj J, Plaingam N, Somrithipol S, Jones EB (2008). "Putative basidiomycete teleomorphs and phylogenetic placement of the coelomycete genera: Chaetospermum, Giulia and Mycotribulus based on nu-rDNA sequences". Mycological Research. 112 (Pt 7): 802–810. doi:10.1016/j.mycres.2008.01.002. PMID 18501576.
^ Sebastianes, Fernanda Luiza de Souza; Maki, Cristina Sayuri; Andreote, Fernando Dini; Araújo, Welington Luiz; Pizzirani-Kleiner, Aline Aparecida (2007). "Genetic variability and vegetative compatibility of Erythricium salmonicolor isolates". Scientia Agricola. 64 (2): 162–168. doi:10.1590/s0103-90162007000200009.
^ Lanoiselet VM, Cother EJ, Ash GJ (2007). "Aggregate sheath spot and sheath spot of rice". Crop Protection. 26 (6): 799–808. Bibcode:2007CrPro..26..799L. doi:10.1016/j.cropro.2006.06.016.
^ Stalpers JA, Redhead SA, May TW, et al. (2021). "Competing sexual-asexual generic names in Agaricomycotina (Basidiomycota) with recommendations for use". IMA Fungus. 12 (22): 3. doi:10.1186/s43008-021-00061-3. PMC 8359032. PMID 34380577.
^ Toda, Takeshi; Mushika, Tomoyuki; Hayakawa, Toshihiro; Tanaka, Akemi; Tani, Toshikazu; Hyakumachi, Mitsuro (1 June 2005). "Brown Ring Patch: A New Disease on Bentgrass Caused by Waitea circinata var. circinata". Plant Disease. 89 (6): 536–542. doi:10.1094/PD-89-0536. PMID 30795375.
^ "Red Thread lawn disease - cause, symptoms and treatment". www.lawnandmower.com. Retrieved 31 March 2018.