Belongs within: Hypocreales.
The Niessliaceae are a family of fungi that are saprobic on leaves or wood.
Characters (Cannon & Kirk 2007): Ascomata perithecial, superficial on or rarely immersed in a subiculum or crustose stroma, small, more or less globose, sometimes collapsing when dry, pale to dark brown, often setose or ornamented, the ostiole periphysate; peridium thin, soft. Interasca1 tissue of apical paraphyses. more or less clavate, thin-walled, not fissitunicate, with a small refractive J- apical ring. Ascospores more or less hyaline, 0- or 1-septate, sometimes fragmenting. Anamorphs hyphomycetous, Acremonium-like.
<==Niessliaceae
|--Circinoniesslia Samuels & Barr 1998KC01
|--Cryptoniesslia Scheuer 1993KC01
|--HyalosetaEB03
|--Melanopsamma Niessl. 1876EB03, KC01
|--Melchioria Penz. & Sacc. 1897EB03, KC01 [incl. Exomassarinula Teng 1940KC01, Gaeumannia Petr. 1950KC01]
|--ParaniessliaEB03
|--Pseudorhynchia Höhn. 1909EB03, KC01
|--Taiwanascus Sivan. & Chang 1997 [Taiwanascaceae]KC01
|--Valetoniella Höhn. 1909KC01
|--Valetoniellopsis Samuels & Barr 1998KC01
|--Malmeomyces Starbäck 1899EB03, RS99
| `--*M. pulchellus Starbäck 1899 (see below for synonymy)RS99
|--Miyakeomyces Hara 1913EB03, RS99 [=Miyakeamyces (l. c.)RS99]
| `--*M. bambusae Hara 1913 [=Calonectria bambusae (Hara) von Höhnel 1919]RS99
|--Myrmaeciella Lindau 1897EB03, RS99 [=Myrmaecium Saccardo 1880 non Nitschke ex Fuckel 1870RS99]
| `--*M. endoleuca (Saccardo) Lindau 1897 (see below for synonymy)RS99
|--Pseudonectriella Petrak 1959EB03, RS99
| `--*P. ahmadii Petrak 1959RS99
|--Trichosphaerella Bommer, Rousseau & Saccardo 1891EB03, RS99 (see below for synonymy)
| `--*T. decipiens Bommer, Rousseau & Saccardo 1891 (see below for synonymy)RS99
`--Niesslia Auersw. 1869 [incl. Lohwagiella Petr. 1970, Monocillium Saksena 1955]KC01
|--N. exilisHM17
`--‘Monocillium’ indicumWB-P93
*Malmeomyces pulchellus Starbäck 1899 [=Calonectria pulchella (Starbäck) Weese 1914, Chaetothyrium pulchellum (Starbäck) Theiss. 1913]RS99
*Myrmaeciella endoleuca (Saccardo) Lindau 1897 [=Myrmaecium endoleucum Saccardo 1880 (nom. inv.), Hypocreopsis endoleuca (Saccardo) Müller & Arx 1962]RS99
Trichosphaerella Bommer, Rousseau & Saccardo 1891EB03, RS99 [incl. Bresadolella von Höhnel 1903RS99, Trichohleria Sacc. 1908KC01]
*Trichosphaerella decipiens Bommer, Rousseau & Saccardo 1891 [incl. *Bresadolella aurea von Höhnel 1903, Neorehmia aurea (von Höhnel) Munk 1957, Larseniella major Munk 1948]RS99
*Type species of generic name indicated
References
Cannon, P. F., & P. M. Kirk. 2007. Fungal Families of the World. CABI.
[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.
[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.
[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).
[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.
[WB-P93] Walter, D. E., & V. M. Behan-Pelletier. 1993. Systematics and ecology of Adhaesozetes polyphyllos sp.nov. (Acari: Oribatida: Licneremaeoidea), a leaf-inhabiting mite from Australian rainforests. Canadian Journal of Zoology 71: 1024–1040.