Bryoparasitic Pezizales

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 Bryophile Pezizales > Species > Octospora heterosculpturata


Octospora heterosculpturata T. Schumach.
Mycotaxon 43: 44 (1992)
Apothecia: 0.6 - 2 mm in diameter, prominent fringed margin, hymenium orange, slightly convex, outside concolorous or more brownish
Asci: cylindric, 280-310 x 19-21 µm, 8-spored, spores uniseriate
Ascospores:  broadly ellipsoid, 16.5-19 x 12.6-14.2 µm, ornamentation consisting of isolated or partly confluent warts of irregular shape and size, 0.4-1.2 µm broad, 0.2-0.5 µm high, spores with one large, central droplet
Host: Bryum spec.
Habitat: on dung and manured soil
Distribution: Norway
Notes: Schumacher (1992) reported Splachnum vasculosum as host of O. heterosculpturata since the moss was abundant in his collection. Reexamination of the type specimen by Benkert (Benkert & Kristiansen 2008) revealed Bryum as true host.

References:
  • Benkert, D. 1998a. Beiträge zur Kenntnis bryophiler Pezizales-Arten. 6. Wrightoideae, eine neue Sektion der Gattung Octospora. - Zeitschrift für Mykologie 64: 17-40.
  • Benkert, D. & Kristiansen, R. 2008. Octospora splanchnophila Benkert et Kristiansen spec. nov. (Ascomycota, Pezizales): Im 19. Jahrhundert gesammelt, im 21. Jahrhundert benannt. - Zeitschrift für Mykologie 74: 111-118.
  • Kristiansen, R. 2006. Miniatyrbegersopper nye for Norge. - Agarica 26: 69-77.
  • Schumacher, T. 1992. New or noteworthy discomycetes. 2. Five new operculate discomycetes (Pezizales) from the Dovre Mountains, Central South Norway. - Mycotaxon 43: 33-47.
  • Schumacher, T. & Jenssen, K. M. 1992. Arctic and alpine fungi 4 - Discomycetes from the Dovre mountains, Central South Norway. - Oslo: Benjamin Sats & Trykk DA.

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