Bryoparasitic Pezizales

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 Bryophile Pezizales > Species > Octospora affinis


Octospora affinis Benkert & L.G.Krieglst.
Zeitschrift für Mykologie 72(1): 54 (2006)
Octospora affinis tuft of Orthotrichum affine Octospora affinis, free ascospores
1: Octospora affinis, apothecium in turf of Orthotrichum affine 2: Octospora affinis, Germany, Thuringia, leg. J. Eckstein no. 11654, 2014-02-23, ascospores stained with lactophenol-cotton-blue
Apothecia: to 1.2 mm in diameter, hymenium yellowish-orange to pale-orange, margin finely fimbriate
Paraphyses: straight to apical slightly curved
Asci: (130-)150-200 x 15-22 µm, 8-spored, spores uniseriate
Ascospores:  broadly ellipsoid, (14-)14.5-16.5(-17) x (12-)12.5-13.5(-14.5) µm, ornamented with rounded, isolated warts, one oil droplet of 9-11 µm in diameter
Host: Orthotrichum affine
Infectious structures: infects the rhizoids, appressoria free or with few accompanying hyphae, about 25-35 x 10-15 µm, 2-3 septate
Habitat: epiphytic on trees and shrubs in tufts of Orthotrichum affine
Distribution: in Germany common in the South, scatterd in the North (BW, BY, HE, HH, NI, ST, TH) also known from Austria, Belgium, Croatia, Czech Republic, Great Britain, France, Germany, Luxembourg, Romania, Slovakia, Spain, Switzerland, The Netherlands
Notes: It was included in section Wrightoideae by Benkert (1998a) but this was proven wrong by Sochorová et al. (2020)

References:
  • 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.
  • Benkert, D. & Krieglsteiner, L. 2006. Octospora affinis (Ascomycetes, Pezizales), eine neue, offenbar nicht seltene bryoparasitische Art auf Orthotrichum affine. - Zeitschrift für Mykologie 72: 53-58.
  • Chaillet, P. & Moyne, G. 2013. Une espèce à rechercher: Octospora affinis Benkert & L. G. Krieglsteiner (Pezizales), nouvelle pour la Franche-Comté. - Ascomycet.org 5: 105-107.
  • Eckstein, J., Eckstein G., Frauenberger, H. & Wieschollek, D. 2020. Erste Checkliste der Moosbecherlinge Thüringens. - Boletus 41: 51-64.
  • Egertova, Z., Eckstein, J. & Vega, M. 2015. Lamprospora tuberculata, Octospora ithacaensis, O. orthotrichi and O. affinis - four bryoparasitic ascomycetes new to the Czech Republic. - Czech Mycology 67 (2): 119-133. PDF from Czech Mycology
  • Krieglsteiner, L. 2006. Ökologie und Verbreitung von Octospora affinis, erste Erkenntnisse. - Zeitschrift für Mykologie 72: 59-66.
  • Krieglsteiner, L. 2007. Pilze im Biosphären-Reservat Rhön und ihre Einbindung in die Vegetation, Nachtrag 1. - Regensburger Mykologische Schriften 14: 3-20.
  • Krieglsteiner, L. & Markones, R. 2007. Pilze im Naturraum Mainfränkische Platten und ihre Einbindung in die Vegetation, Nachtrag 1. - Regensburger Mykologische Schriften 14: 21-35.
  • 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., J. Linde, M.A. Miranda, J.A. Sanchez, A. Román, P. Zapico & Menéndez, J. L. 2016. Catálogo provisional de macromicetos (setas) de Asturias 2a Parte. - Real Instituto de Estudios Asturianos.
  • Schubert, H. 2012b. Gestapelte Pilz-Innereien Teil 4: Discomyceten. Der Tintling 79: 57-66.
  • Sochorová, Z., Matočcec, N., Kušan, I., Janošík, L., Eckstein, J., Vega, M., Mešic, A., Sedlářová, M., Martínez-Gil, R. & Sochor, M. 2020. Amended description of the rarely reported bryophilous ascomycete Octospora svrcekii (Pyronemataceae) with notes on the phylogeny of the section Wrightoideae. - Phytotaxa 475: 1-17.
  • Vega, M. 2017. Vorläufige Checkliste der in Hamburg vorkommenden Moosbecher-Arten aus den Gattungen Lamprospora, Neottiella, Octospora und Octosporopsis. - Boletus 38: 27-33.
Images:
Octospora affinis, free ascospores Octospora affinis, appressorium on rhizoid
3: Octospora affinis, ascospores 4: Octospora affinis, appressorium on rhizoid
Octospora affinis, ascospores
5: Octospora affinis, SEM-image of ascospores, Germany, Lower Saxony, leg. J. Eckstein no. 38039, 2015-01-05

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