Exidia
From Wikipedia, the free encyclopedia
| Exidia | |
|---|---|
 | |
| Exidia glandulosa | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Auriculariales |
| Family: | Auriculariaceae |
| Genus: | Exidia Fr. |
| Type species | |
| Exidia glandulosa (Bull.) Fr. | |
Exidia is a genus of fungi in the family Auriculariaceae. The species are saprotrophic, occurring in attached or recently fallen dead wood, and produce gelatinous basidiocarps (fruit bodies). The fruit bodies are diverse, pustular, lobed, button-shaped or cup-shaped. Several species, including the type species Exidia glandulosa, have sterile pegs or pimples on their spore-bearing surface. The genus has a cosmopolitan distribution and around 20 species are currently recognized worldwide.[1] Initial molecular research indicates the genus is artificial.[2]
Exidia species were originally placed in the genus Tremella along with many other gelatinous fungi. The genus Exidia was separated from Tremella by Fries in 1822, based mainly on fruit body shape. Fries initially included species now assigned to Auricularia within the genus.
Recent molecular research has indicated that Exidia as currently circumscribed is an artificial grouping, the species not being clearly differentiated from similar, but effused species assigned to the genera Exidiopsis and Heterochaete.[2] Only a few species have yet been sequenced, however.
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