Helotiales is an order of Fungi. There are 7323 species of Helotiales, in 667 genera and 18 families. It includes groups like Dermateaceae, Loramycetaceae, and Lachnaceae.
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)
Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).