Orcadia (fungus)
| Orcadia | |
|---|---|
| |
| First illustration of Orcadia ascophylli by Sutherland in 1914 | |
Scientific 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,[1] classified initially as a member of the Hypocreales within the Pyrenomycetes.[2] Its taxonomic position is uncertain, although it is currently placed in the order Pezizales, in the class Pezizomycetes.[3]
Description[edit]
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.[1]
Distribution[edit]
The species O. ascophylli was originally described from the Orkney Islands (Scotland).[1] It is also common at Aberystwyth (Wales), where it parasites on old worn thalli of Ascophyllum nodosum.[4] The species O. pelvetiana is found in Orkney and Clare Island, where it parasites Pelvetia canaliculata.[2]
References[edit]
- ^ a b c 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.
- ^ a b Meyers SP (1957). "Taxonomy of Marine Pyrenomycetes". Mycologia. 49 (4): 475–528. doi:10.1080/00275514.1957.12024666.
- ^ 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.
- ^ 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.
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