Bryoparasitic Pezizales

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 Bryoparasitic Pezizales > Species > Octospora leucoloma var. tetraspora


Octospora leucoloma var. tetraspora (Fuckel) Benkert
Östereichische Zeitschrift für Pilzkunde 7: 53 (1998)

Basionym: Ascobolus tetrasporus FUCKEL, Hedwigia 5: 4. (1866)

Synonyms: show
Octospora leucoloma var. tetraspora, apothecia in turf of Bryum argenteum Octospora leucoloma var. tetraspora, ascus with ascospores
1: Octospora leucoloma var. tetraspora, apothecia in turf of Bryum argenteum 2: Octospora leucoloma var. tetraspora, ascus with ascospores
Apothecia: 1-2 mm in diameter, with weak membranaceous margin or margin somewhat pubescent and slightly elevated, hymeium orange
Asci: mostly 4-spored but also 2-,3-,5-,6- and 7-spored, spores uni- to biseriate
Ascospores: ellipsoid sometimes one side narrower than the other, (22-)23-27(-30) x (10-)11-13(-14) µm, smooth, one or two large and several small oil droplets
Host: Bryum argenteum
Infectious structures: infects the rhizoids
Habitat: on disturbed soil with Bryum argenteum, often at urban sites, on potting soil in greenhouses and garden centres
Distribution: common in Germany (BE, BB, HE, HH, MV, SN, SH, TH), also known from Austria, Czech Republic, Estonia, The Netherlands and Norway

References:
  • 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.
  • 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.
  • 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)
  • Engel, H. & Hanff, B. 1985. In Nordwestoberfranken gefundene Arten der Gattung Octospora Hedwig ex S. F. Gray. - Die Pilzflora Nordwestoberfrankens 9/A: 3-20.
  • Fuckel, L. 1866. Ueber rheinische Ascobolus-Arten. - Hedwigia 5: 1-5.
  • Itzerott, H. 1981. Die Gattung Octospora mit besonderer Berücksichtigung der Pfälzer Arten. - Nova Hedwigia 34: 265-280. [ut Octospora tetraspora]
  • Kullman, B. 1991. Octospora tetraspora as a four-spored O. leucoloma? - Cryptogamic Botany 2/3: 115-117.
Images:
Octospora leucoloma var. tetraspora, apothecia in turf of Bryum argenteum Octospora leucoloma var. tetraspora, apothecia in turf of Bryum argenteum
3: Octospora leucoloma var. tetraspora, apothecia in turf of Bryum argenteum 4: Octospora leucoloma var. tetraspora, apothecia in turf of Bryum argenteum
Octospora leucoloma var. tetraspora, asci with ascospores Octospora leucoloma var. tetraspora, asci with ascospores
5: Octospora leucoloma var. tetraspora, asci with ascospores 6: Octospora leucoloma var. tetraspora, asci with ascospores

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