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The Orbiliales are an order of fungi within the class Orbiliomycetes. These fungi are primarily parasitic or saprotrophic, meaning they obtain nutrients by living on or in other organisms or by decomposing dead organic matter. Many species are found on bark. The Orbiliales are characterized by an inoperculate ascus, which is a sac-like structure containing spores. This ascus may bifurcate and has a flexible stalk and a truncated apex. Notable example genera within this order include Orbilia and Hyalorbilia.1

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