Bryoparasitic Pezizales

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Octospora axillaris var. tetraspora Benkert
Östereichische Zeitschrift für Pilzkunde 7: 45 (1998)

Octospora axillaris var. tetraspora, apothecia between shoots of Phascum cuspidatum Octospora axillaris var. tetraspora, asci with ascospores
1: Octospora axillaris var. tetraspora, apothecia between shoots of Phascum cuspidatum 2: Octospora axillaris var. tetraspora, asci with ascospores
Apothecia: 0.8-1.5 mm in diameter without a membranaceous margin, margin somewhat pubescent, hymenium plane or convex, orange
Asci: 4-spored, spores uni- to biseriate
Ascospores: narrowly ellipsoid-subfusiform,(22-)26-32(-40) x (9-)10-12(-15) µm, smooth, mostly with three oil droplets, one large flanked by two smaller ones
Host: Phascum cuspidatum
Infectious structures: infects rhizoids, stems and leafs
Habitat: in open habitats on disturbed soil with pioneer bryophytes, sometimes growing directly on shoots of the host moss Phascum cuspidatum
Distribution: common in Germany (BW, BB, MV, RP, SN, ST, TH) also known from Czech Republic, Greece, Hungary, The Netherlands

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.
  • 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.
  • Caillet, M. & Moyne, G. 1991. Clé de détermination du genre Octospora et des genres voisins. - Bulletin de la Société d'Histoire Naturelle du Doubs 84: 9-24. [ut Octospora tetraspora]
  • Eckstein, J. & Eckstein, G. 2009. Bryoparasitische Pezizales (Ascomycetes) der Gattungen Lamprospora, Octospora und Neottiella im Alten Botanischen Garten von Göttingen. - Herzogia 22: 213-228. PDF (Abstract only)
Images:
Octospora axillaris var. tetraspora, asci with ascospores
3: Octospora axillaris var. tetraspora, asci with ascospores

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