Bryoparasitic Pezizales

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Octospora gyalectoides Svrček & Kubička

  • = Inermisia gyalectoides (Svrček & Kubička) Dennis & Itzerott
  • = Octospora leucoloma var. crosslandii Dennis & Itzerott
  • = Octospora crosslandii (Dennis & Itzerott) Benkert
Octospora gyalectoides, apothecia Octospora gyalectoides, ascus with ascospores
1: Octospora gyalectoides, apothecia with Pottia intermedia 2: Octospora gyalectoides, ascus with ascospores
Apothecia (0,5)1 - 2 mm, orange, without a conspicious margin, growing on soil or directly on the host moss
Asci: with 8 spores in one row
Spores: ellipsoid to small ellipsoid often on one side or both fusiform, (15)17-22(23) x 9-13 µm, smooth, with one large oil droplet
Hosts: mostly Pottia sp. but also other members of the Pottiaceae family, Aloina, Barbula, Hennediella, Phascum, Pterygoneurum, Tortella, Tortula; rarely also Bryum (Bryaceae)
Infectious structures: infects always stem and leaf cells not the rhizoids
Habitat: open soil together with pioneer mosses, preferring base-poor sites
Distribution: Austria, Czech Republic (Janošík unpublished), France, Germany (widespread and common, BE, BB, HH, MV, NS, RP, SA, AN, TH) Hungary, Italy (Janošík unpublished), Slovakia (Janošík unpublished), Spain, United Kingdom
Notes: It has an unusually broad host spectrum. Specimens on other hosts as in the type likely represent different (mostly not yet described) taxa.For instance, O. crosslandii (Dennis & Itzerott) Benkert on Bryoerythorphyllum recurvirostrum was synonymised with O. gyalectoides by Benkert (2007) but should be regarged as different. Benkert (2007) reported Pottia spec. as host in the type collection but this has to be checked.

 

References
  • Benkert, D. 1976. Bemerkenswerte Ascomyceten der DDR. I. Zu einigen Arten der Gattung Lamprospora. - Feddes repertorium 87: 611-642.
  • Benkert, D. 1995. Becherlinge als Moosparasiten. - Boletus 19: 97-127.
  • 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.
  • Brouwer, E. 1999. Mosschijfjes (Lamprospora en Octospora): voorkomen en verspeiding in Nederland. - Coolia 42: 2-20.
  • 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. [ut Octospora crosslandii]
  • Dennis, R. W. G. & Itzerott, H. 1973. Octospora and Inermisia in Western Europe. - Kew Bulletin 28: 5-23.
  • 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)
  • Eckstein, J., Eckstein G., Frauenberger, H. & Wieschollek, D. 2020. Erste Checkliste der Moosbecherlinge Thüringens. - Boletus 41: 51-64.
  • Engel, H. & Hanff, B. 1985. In Nordwestoberfranken gefundene Arten der Gattung Octospora Hedwig ex S. F. Gray. - Die Pilzflora Nordwestoberfrankens 9/A: 3-20.
  • Itzerott, H. 1981. Die Gattung Octospora mit besonderer Berücksichtigung der Pfälzer Arten. - Nova Hedwigia 34: 265-280.
  • Kristiansen, R. 2006. Miniatyrbegersopper nye for Norge. - Agarica 26: 69-77.
  • Németh, C. 2020. Bryophilous ascomycetes (Pezizales) in Hungarian cemeteries. - Herzogia 33: 319-339.
  • Ribollet, P. 2015. Contribution a? la connaissance des genres Octospora Hedw. 1789 et Lamprospora De Not. 1864 en Loire-Atlantique. - Cahiers Mycologiques Nantais 27: 3-12. PDF
  • 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. & Kubička, J. 1963. Druhý príspecek k operkulátním diskomycetúm z okolí rybníka Dvorist v jizních Cechách. - Česká Mykologie 17: 61-70.
  • Vega, M. 2017. Vorläufige Checkliste der in Hamburg vorkommenden Moosbecher-Arten aus den Gattungen Lamprospora, Neottiella, Octospora und Octosporopsis. - Boletus 38: 27-33.
  • Yao, Y. J. & Spooner, B. M. 1996b. Notes on British species of Octospora. - Mycological Research 100: 175-178.
Images
Octospora gyalectoides, apothecia with Pterygoneurum ovatum Octospora gyalectoides, asci with ascospores
3: Octospora gyalectoides, apothecia with Pterygoneurum ovatum 4: Octospora gyalectoides, asci with ascospores
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