Question

Xylariales
Xylaria hypoxylon
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Subclass:	Xylariomycetidae O.E.Erikss. & Winka (1997)
Order:	Xylariales Nannf. (1932)
Families
Amphisphaeriaceae Cainiaceae Clypeosphaeriaceae Diatrypaceae Graphostromataceae Hyponectriaceae Xylariaceae Genera incertae sedis: Adomia Diamantinia Lasiobertia Palmicola Pulmosphaeria Yuea

Amphisphaeriaceae
Cainiaceae
Clypeosphaeriaceae
Diatrypaceae
Graphostromataceae
Hyponectriaceae
Xylariaceae

Genera incertae sedis:
Adomia
Diamantinia
Lasiobertia
Palmicola
Pulmosphaeria
Yuea

The Xylariales are an order of fungi within the class Sordariomycetes (also known as Pyrenomycetes), subdivision Pezizomycotina, division Ascomycota. It is the only order of the subclass Xylariomycetidae. Xylariales was circumscribed in 1932 by Swedish mycologist John Axel Nannfeldt.

...Wikipedia