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Orcadia (fungus)

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Genus of fungi This article is about a genus of fungi. For the genus of foraminifera, see Orcadia (protist). For other uses, see Orcadia (disambiguation).

Orcadia
First illustration of Orcadia ascophylli by Sutherland in 1914
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Ascomycota
Class: Pezizomycetes
Order: Pezizales
Genus: Orcadia
G.K. Sutherland 1914
Species

Orcadia is a genus of marine parasitic ascomycete fungi described in 1914 by Geo. K. Sutherland, classified initially as a member of the Hypocreales within the Pyrenomycetes. Its taxonomic position is uncertain, although it is currently placed in the order Pezizales, in the class Pezizomycetes.

Description

Orcadia is characterized by an absence of stromata; perithecia entirely immersed in the thallus of their host through a long tapering beak; soft, white walls of perithecia that never become black; cylindrical or clavate asci, containing 8 septate spores; and the presence of paraphyses.

Distribution

The species O. ascophylli was originally described from the Orkney Islands (Scotland). It is also common at Aberystwyth (Wales), where it parasites on old worn thalli of Ascophyllum nodosum. The species O. pelvetiana is found in Orkney and Clare Island, where it parasites Pelvetia canaliculata.

References

  1. ^ Sutherland GK (1914). "New marine pyrenomycetes: Plate III". Transactions of the British Mycological Society. 5: 147–155. doi:10.1016/S0007-1536(14)80015-6.
  2. ^ Meyers SP (1957). "Taxonomy of Marine Pyrenomycetes". Mycologia. 49 (4): 475–528. doi:10.1080/00275514.1957.12024666.
  3. Wijayawardene, N.N.; Hyde, K.D.; Dai, D.Q.; Sánchez-García, M.; Goto, B.T.; Saxena, R.K.; et al. (2022). "Outline of Fungi and fungus-like taxa – 2021". Mycosphere. 13 (1): 53–453. doi:10.5943/mycosphere/13/1/2. hdl:10481/76378. S2CID 249054641.
  4. Wilson IM (1951). "Notes on some marine fungi". Transactions of the British Mycological Society. 34 (4): 540–543. doi:10.1016/S0007-1536(51)80039-1.
Taxon identifiers
Orcadia


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