Bryoparasitic Pezizales

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 Bryophile Pezizales > Species > Octospora itzerottii

Octospora itzerottii Benkert
Östereichische Zeitschrift für Pilzkunde 7: 53 (1998)

Octospora itzerottii, apothecia Octospora itzerottii, asci with ascospores
1: Octospora itzerottii, apothecia with Pterygoneurum ovatum 2: Octospora itzerottii, ascus with ascospores
Apothecia: 1-2.5 mm in diameter, without a membranaceous margin, surface plane to convex, hymenium orange
Asci: cylindrical, 170-270 x 15-21 µm, mostly 4-spored but also 2-,3-,5- and 6-spored, uniseriate
Spores: ellipsoid, (20-)22-27(-28) x (11-)11.5-13(-14) µm, smooth, with one or two large and several small oil droplets
Host: Pterygoneurum ovatum, Pterygoneurum subsessile
Infectious structures: infects the rhizoids, sometimes also stem and leafs, appressoria free or covered by accompanying hyphae
Habitat: on base-rich soil, disturbed ground in dry grassland, in Germany only on sun-exposed, warm sites
Distribution: scattered in Germany (BB, RP, ST, TH) also known from Hungary

 

References:
  • Benkert, D. 1998c. Beiträge zur Kenntnis bryophiler Pezizales-Arten. 8. Viersporige Taxa der Gattung Octospora. - Österreichische Zeitschrift für Pilzkunde. [New series] 7: 39-63. PDF
  • Benkert, D. 2007. Zur Kenntnis des Vorkommens bryophiler Pezizales (Ascomycota) in Südost-Europa. - Mycologia Montenegrina 10: 7-21.
  • Benkert, D. 2009. Zwei neue Arten bryophiler Pezizales (Ascomycota) aus der Bundesrepublik Deutschland und Auflistung der aus Deutschland bisher nachgewiesenen Arten mit Kurzdiagnostik. - Zeitschrift für Mykologie 75: 51-68.
Images
Octospora itzerottii, appressorium and hyphae around a rhizoid Octospora itzerottii, ascospores
2: Octospora itzerottii, appressorium and hyphae around a rhizoid 1: Octospora itzerottii, ascospores
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