Polyporales (Hoof Fungi) is an order of Fungi. There are 3553 species of Hoof Fungi, in 311 genera and 13 families. It includes groups like Bracket Polypores, Club Lichens, and Meruliaceae.
Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)