Obryzaceae

Obryzum is a fungal genus in the monotypic family Obryzaceae, in the class Sordariomycetes. The relationship of this taxon to other taxa within the class is unknown (incertae sedis).[3][4]

Obryzaceae
Scientific classification
Kingdom:
Fungi
Division:
Ascomycota
Class:
Sordariomycetes
Order:
Incertae sedis
Family:
Obryzaceae

Type genus
Obryzum
Wallr. (1825),[2]

The genus name of Obryzum is derived from the Ancient Greek word ὄβρυζον‎ meaning pure gold.

Reported as a parasitic on cyanobacterial lichens from the genus Leptogium.[5][6]

Description

The genus is mainly lichenicolous but with green algae on rocks or tree bark and seldom on mosses. Sexual morph: Ascomata perithecial, pyriform (pear-like), astromatic, immersed. Ostiole periphysate. Peridium hyaline with ostiolar region appearing light brown at times. Asci 4-8-spored, unitunicate, clavate, closely ellipsoid to ovoid, short-pedicellate, with barely visible apical ring, deliquescent at the base. Ascospores overlapping 1–2-seriate, hyaline, aseptate, smooth-walled, fusiform to limoniform or ellipsoid, lacking any mucilaginous sheath or appendage. Asexual morph is undetermined (adapted from Cannon & Kirk 2007, Maharachchikumbura et al. 2016).[7][8]

Distribution

It is mostly found in the north temperate zones,[5] and scattered worldwide. With most sightings in North America and Europe, with a few in Australia.[9] Such as Obryzum corniculatum is found in several places in Great Britain.[10]

Species

As accepted by Species Fungorum;[11]

  • Obryzum corniculatum (Hoffm.) Wallr. (1825)
  • Obryzum friesii (Keissl.) Nik. Hoffm. & Hafellner (2000)
  • Obryzum striguloides Aptroot & Sipman (2001)

Former species;

References
  1. Körber, G.W. 1855. Systema lichenum Germaniae. :1-458
  2. Naturgeschichte der Flechten 1: 251–253 (1825)
  3. Lumbsch TH, Huhndorf SM. (December 2007). "Outline of Ascomycota – 2007". Myconet. Chicago, USA: The Field Museum, Department of Botany. 13: 1–58. Archived from the original on 2009-03-18.
  4. Dr. Suharno, M.Si., Dra. Supeni Sufaati, M.Sc., Dr. Puguh Sujarta, M.Si. and Dra. Verena Agustini, M.Sc., Liken (lumut Kerak) Struktur Morfologi, Anatomi, Fungsi Ekologi, dan Manfaat ... (2021), p. 250, at Google Books
  5. P. F. Cannon and P. M. Kirk (Editors) Fungal Families of the World (2007), p. 244, at Google Books
  6. Geoffrey Clough Ainsworth Ainsworth & Bisby's Dictionary of the Fungi (2008), p. 477, at Google Books
  7. "Sordariomycetes". www.sordariomycetes.org. Retrieved 31 December 2022.
  8. Chethana, Thilini (8 November 2022). "Obryzaceae - Facesoffungi number: FoF 05205". Faces Of Fungi. Retrieved 31 December 2022.
  9. "Obryzum Wallr". www.gbif.org. Retrieved 31 December 2022.
  10. "Obryzum corniculatum". The British Lichen Society. Retrieved 31 December 2022.
  11. "Obryzum - Search Page". www.speciesfungorum.org. Species Fungorum. Retrieved 31 October 2022.
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