Microascales

 Synnema of Graphium laricis, from Jacobs et al. (2003). Scale bar equals 20 µm.

Belongs within: Sordariomycetes.
Contains: Halosphaeriaceae.

The Microascales are a group of fungi that are mostly saprobic in soil or decaying vegetation.

Characters (Kirk et al. 2008): Stromata absent. Ascomata solitary, perithecial or cleistothecial, usually black, thin-walled, sometimes with well-developed smooth setae. Interascal tissue absent or rarely of undifferentiated hyphae. Asci ± globose to clavate, very thin-walled, evanescent, 8-spored, sometimes formed in chains. Ascospores hyaline, yellow or reddish brown, aseptate or septate, sometimes curved, sometimes with very inconspicuous germ pores, with or without a sheath. Anamorphs hyphomycetous, prominent. Saprobic from soil or rotting vegetation, sometimes marine, a few opportunistic human and animal pathogens.

<==Microascales
|--Ceratocystis Ellis & Halst. 1890KC01 (see below for synonymy)
| |--‘Thielaviopsis’ basicolaAGS93
| |--C. fimbriataJKW03
| |--C. laricicolaJKW03
| |--C. minorL86
| |--C. polonicaJKW03
| `--C. virescensZB01
`--+--Graphium Corda 1837HM17, KC01 (see below for synonymy)
| | i. s.: G. aphtosaeA96
| | G. calicioidesHWB03
| | G. putredinisJKW03
| | G. rubrumJKW03
| | G. silanumJKW03
| |--+--*G. penicillioidesJKW03
| | `--G. basitruncatumJKW03
| `--+--G. fimbriisporum (Morelet) Jacobs, Kirisits & Wingfield 2003 (see below for synonymy)JKW03
| `--+--G. laricis Jacobs, Kirisits & Wingfield 2003JKW03
| `--G. pseudormiticum Mouton & Wingf. 1994JKW03
`--+--+--Ascosalsum cincinnatulumLK04
| |--HalosphaeriaceaeHM17
| `--+--Magnisphaera stevemossagoLK04
| `--Sagaaromyces abonnisLK04
`--+--+--‘Graphium’ fructicolaJKW03
| `--‘Graphium’ tectonaeJKW03
`--+--‘Graphium’ eumorphumJKW03
`--Microascaceae [Lophotrichaceae]HM17
| i. s.: Anekabeeja Udaiyan & Hosag. 1992EB03O, KC01
| Canariomyces Arx 1984KC01
| Enterocarpus Locq.-Lin. 1977KC01
| Kernia Nieuwl. 1916 [=Magnusia Sacc. 1878 non Klotzsch 1854]KC01
| Lophotrichus Benj. 1949KC01
| Pithoascus Arx 1973KC01
| Cephalotrichum Link 1809 (see below for synonymy)KC01
| Trichurus Clem. 1896KC01
|--+--Petriella Curzi 1930JC03, KC01
| | `--P. setiferaJKW03
| `--Pseudallescheria Negr. & Fisch. 1944JKW03, KC01 (see below for synonymy)
| |--P. boydiiJKW03
| `--P. ellipsoideaJC03
`--+--Doratomyces Corda 1829HM17, KC01 [incl. Synpenicillium Costantin 1888KC01]
| `--D. stemonitisHM17
`--Microascus Zukal 1885JKW03, KC01 (see below for synonymy)
|--M. brevicaulis Abbott in Abbott et al. 1998 [incl. *Scopulariopsis brevicaulis]E99
|--‘Scopulariopsis’ brumptiiSC97
|--M. cirrosusJKW03
|--‘Scopulariopsis’ fimicolaKC01
|--M. longirostrisHM17
`--M. trigonosporusHWB03

Microascales incertae sedis:
Gondwanamyces Marais & Wingfield in Marais et al. 1998EB03O, E99 [GondwanamycetaceaeHM17]
|--*G. proteae (Wingf., van Wyk & Marasas) Marais & Wingfield in Marais et al. 1998E99
`--G. capensis (Wingf. & van Wyk) Marais & Wingfield in Marais et al. 1998E99
Viennotidea Negru & Verona ex Rogerson 1970EB03O, RS99
|--*V. spermosphaericiRS99
|--V. fimicola [=Sphaeronaemella fimicola; incl. Gabarnaudia fimicola]RS99
|--V. humicola [=Sphaeronaemella humicola]RS99
`--V. raphaniRS99
Sporendocladia Arnaud ex Nag Raf & Kendr. 1975JC03, KC01
`--S. bactrospora [=Phialocephala bactrospora]JC03
ChadefaudiellaceaeEB03O
|--Chadefaudiella Faurel & Schotter 1966KC01
`--Faurelina Locq.-Lin. 1975KC01
Ambrosiella Brader 1964SS09, KC01
`--A. xyleboriSS09
Sphaeronaemella Karsten 1884KC01
`--*S. helvellae (Karsten) Karsten 1884 (see below for synonymy)RS99

Cephalotrichum Link 1809 [=Berkeleyna Kuntze 1898, Stelechotrichum Ritgen 1831 (nom. inv.); incl. Capnostysanus Speg. 1918, Stysanopsis Ferraris 1909, Stysanus Corda 1837]KC01

Ceratocystis Ellis & Halst. 1890KC01 [incl. Chaetonaemosphaera Schwarzman 1968KC01, Chalaropsis Peyronel 1916KC01, Endoconidiophora Münch 1907KC01, Graphiocladiella Upadhyay 1981KC01, Hyalopesotum Upadhyay & Kendr. 1975KC01, Milowia Massee 1884KC01, Mycorhynchella Höhn. 1918KC01, Pachnodium Upadhyay & Kendr. 1975KC01, Rhynchophoma Karst. 1884KC01, Rostrella Fabre 1879KC01, Thielaviopsis Went. 1893KC01; CeratocystidaceaeHM17]

Graphium Corda 1837 non Scopoli 1777 (ICZN)HM17, KC01 [incl. Ceratopodium Corda 1837KC01, Phialographium Upadhyay & Kendr. 1974KC01; Graphiaceae]

Graphium fimbriisporum (Morelet) Jacobs, Kirisits & Wingfield 2003 [=Rhexographium fimbriisporum Morelet 1995, R. fimbriasporum (l. c.)]JKW03

Microascus Zukal 1885JKW03, KC01 [incl. Acaulium Sopp 1912KC01, Fairmania Sacc. 1906KC01, Masonia Sm. 1952 non Hansf. 1944KC01, Masoniella Sm. 1952KC01, Nephrospora Loubière 1923KC01, Peristomium Lechmere 1912KC01, Phaeoscopulariopsis Ota 1928KC01, Scopulariopsis Bainier 1907KC01, Wardomyces Brooks & Hansf. 1923KC01, Wardomycopsis Udagawa & Furuya 1978KC01]

Pseudallescheria Negr. & Fisch. 1944JKW03, KC01 [incl. Petriellidium Malloch 1970KC01, Scedosporium Sacc. ex Castell. & Chalm. 1919KC01]

*Sphaeronaemella helvellae (Karsten) Karsten 1884 [=Sphaeria helvellae Karsten 1867, Ceratocystis helvellae (Karsten) Upadhyay 1981, Sphaeronaema helvellae (Karsten) Jacz. 1898; incl. Melanospora karstenii Arx & Müller 1954]RS99

*Type species of generic name indicated

References

[AGS93] Ahl Goy, P., H. Signer, R. Reist, R. Aichholz, W. Blum, E. Schmidt & H. Kessmann. 1993. Accumulation of scopoletin is associated with the high disease resistance of the hybrid Nicotiana glutinosa × Nicotiana debneyi. Planta 191: 200–206.

[A96] Alstrup, V. 1996. Nectria tatrensis sp. nov. and other lichenicolous fungi found on the bryo-lichenological excursion in Slovakia 1993. Biologia 51: 13–14.

[E99] Eriksson, O. E. (ed.) 1999. Notes on ascomycete systematics. Nos 2440–2755. Myconet 2: 1–41.

[EB03] Eriksson, O. E., H. O. Barah, R. S. Currah, K. Hansen, C. P. Kurtzman, G. Rambold & T. Laessøe (eds.) 2003. Outline of Ascomycota—2003. Myconet 9: 1–89.

[HWB03] Henk, D. A., A. Weir & M. Blackwell. 2003. Laboulbeniopsis termitarius, an ectoparasite of termites newly recognized as a member of the Laboulbeniomycetes. Mycologia 95 (4): 561–564.

[HM17] Hongsanan, S., S. S. N. Maharachchikumbura, K. D. Hyde, M. C. Samarakoon, R. Jeewon, Q. Zhao, A. M. Al-Sadi & A. H. Bahkali. 2017. An updated phylogeny of Sordariomycetes based on phylogenetic and molecular clock evidence. Fungal Diversity 84: 25–41.

[JC03] Jacobs, A., M. P. A. Coetzee, B. D. Wingfield, K. Jacobs & M. J. Wingfield. 2003. Phylogenetic relationships among Phialocephala species and other ascomycetes. Mycologia 95 (4): 637–645.

[JKW03] Jacobs, K., T. Kirisits & M. J. Wingfield. 2003. Taxonomic re-evaluation of three related species of Graphium, based on morphology, ecology and phylogeny. Mycologia 95 (4): 714–727.

[KC01] Kirk, P. M., P. F. Cannon, J. C. David & J. A. Stalpers. 2001. Ainsworth & Bisby’s Dictionary of the Fungi 9th ed. CAB International: Wallingford (UK).

Kirk, P. M., P. F. Cannon, D. W. Minter & J. A. Stalpers (eds) 2008. Dictionary of the Fungi 10th ed. CAB International: Wallingford (UK).

[L86] Lindquist, E. E. 1986. The world genera of Tarsonemidae (Acari: Heterostigmata): a morphological, phylogenetic, and systematic revision, with a reclassification of family-group taxa in the Heterostigmata. Memoirs of the Entomological Society of Canada 118 (S136): 1–517.

[LK04] Lutzoni, F., F. Kauff, C. J. Cox, D. McLaughlin, G. Celio, B. Dentinger, M. Padamsee, D. Hibbett, T. Y. James, E. Baloch, M. Grube, V. Reeb, V. Hofstetter, C. Schoch, A. E. Arnold, J. Miadlikowska, J. Spatafora, D. Johnson, S. Hambleton, M. Crockett, R. Shoemaker, G.-H. Sung, R. Lücking, T. Lumbsch, K. O’Donnell, M. Binder, P. Diederich, D. Ertz, C. Gueidan, K. Hansen, R. C. Harris, K. Hosaka, Y.-W. Lim, B. Matheny, H. Nishida, D. Pfister, J. Rogers, A. Rossman, I. Schmitt, H. Sipman, J. Stone, J. Sugiyama, R. Yahr & R. Vilgalys. 2004. Assembling the fungal tree of life: progress, classification, and evolution of subcellular traits. American Journal of Botany 91 (10): 1446–1480.

[RS99] Rossman, A. Y., G. J. Samuels, C. T. Rogerson & R. Lowen. 1999. Genera of Bionectriaceae, Hypocreaceae and Nectriaceae (Hypocreales, Ascomycetes). Studies in Mycology 42: 1–248.

[SS09] Schoch, C. L., G.-H. Sung, F. López-Giráldez, J. P. Townsend, J. Miadlikowska, V. Hofstetter, B. Robbertse, P. B. Matheny, F. Kauff, Z. Wang, C. Gueidan, R. M. Andrie, K. Trippe, L. M. Ciufetti, A. Wynns, E. Fraker, B. P. Hodkinson, G. Bonito, J. Z. Groenewald, M. Arzanlou, G. S. de Hoog, P. W. Crous, D. Hewitt, D. H. Pfister, K. Peterson, M. Gryzenhout, M. J. Wingfield, A. Aptroot, S.-O. Suh, M. Blackwell, D. M. Hillis, G. W. Griffith, L. A. Castlebury, A. Y. Rossman, H. T. Lumbsch, R. Lücking, B. Büdel, A. Rauhut, P. Diederich, D. Ertz, D. M. Geiser, K. Hosaka, P. Inderbitzin, J. Kohlmeyer, B. Volkmann-Kohlmeyer, L. Mostert, K. O’Donnell, H. Sipman, J. D. Rogers, R. A. Shoemaker, J. Sugiyama, R. C. Summerbell, W. Untereiner, P. R. Johnston, S. Stenroos, A. Zuccaro, P. S. Dyer, P. D. Crittenden, M. S. Cole, K. Hansen, J. M. Trappe, R. Yahr, F. Lutzoni & J. W. Spatafora. 2009. The Ascomycota tree of life: a phylum-wide phylogeny clarifies the origin and evolution of fundamental reproductive and ecological traits. Systematic Biology 58 (2): 224–239.

[SC97] Singh, N., F. Y. Chang, T. Gayowski & I. R. Marino. 1997. Infections due to dematiaceous fungi in organ transplant recipients: case report and review. Clinical Infectious Diseases 24: 369–374.

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