Bryoparasitic Pezizales

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 Bryoparasitic Pezizales > Species > Octospora pseudoampezzana


Octospora pseudoampezzana (Svrček) Caillet & Moyne
Bull. Trimest. Soc. Mycol. Fr. 103(3): 180 (1987)

Basionym: Lachnea pseudoampezzana Sverček in Acta Mus. Nat Prag. 4 B(6) (Bot. 1): 29 (1948)
Octospora pseudoampezzana, apothecia between shoots of Schistidium crassipilum Octospora pseudoampezzana, ascus with ascospores
1: Octospora pseudoampezzana, apothecia between shoots of Schistidium crassipilum 2: Octospora pseudoampezzana, ascus with ascospores
Apothecia: 1-4 mm in diameter, margin somewhat pubescent first whitish and later becoming black, hymenium brownish-orange
Paraphyses: apically slightly curved
Asci: 8-spored, spores uniseriate
Ascospores: ellipsoid, 20-22 x 14.5-16 µm with one large oil droplet, ornamentation consisting of isolated warts
Host: Schistidium crassipilum
Infectious structures: induces galls on the rhizoids, galls usually completely covered with hyphae
Habitat: in open habitats on limestone boulders at the base of Schistidium-tufts
Distribution: rare in Germany (BY, NI) also known from Hungary

References:
  • Benkert, D. 1998a. Beiträge zur Kenntnis bryophiler Pezizales-Arten. 6. Wrightoideae, eine neue Sektion der Gattung Octospora. - Zeitschrift für Mykologie 64: 17-40. [key]
  • 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. 1987a. Contribution a l'étude du genre Octospora Hedw. ex S.F. Gray (Pezizales), Espèces à spores elliptiques ou fusiformes. - Bulletin de la Société Mycologique de France 103: 179-226.
  • 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.
  • 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)
  • Engel, H. & Hanff, B. 1985. In Nordwestoberfranken gefundene Arten der Gattung Octospora Hedwig ex S. F. Gray. - Die Pilzflora Nordwestoberfrankens 9/A: 3-20. [ut Octospora meslinii]
  • Rubio, E., Suárez, A. & Miranda, M. A. 2000. El genero Octospora Hedw.:S.F. Gray (Ascomycetes, Pezizales) en Asturias y Leon. - Bol. Soc. Micol. Madrid 25: 111-126.
  • Svrček, M. 1969. Nové rody operkuláních diskomycetu (Pezizales). 23: 83-96. [ut Hiemsia pseudoampezzana]
Images:
Octospora pseudoampezzana, ascus with ascospores Octospora pseudoampezzana, SEM-image of ascospore
3: Octospora pseudoampezzana, asci with ascospores 4: Octospora pseudoampezzana, SEM-image of ascospore, Germany, Lower Saxony, Göttingen, leg. J. Eckstein 2014-01-05, no. 34609

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