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Three genera have been included in Guepinia Fries, one belonging to the Tremellaceae and two to the Dacrymycetaceae. Guepinia Fries is a homonym, since Guepinia Bastard had already been applied to a genus of the Cruciferae. Bastard's name is a synonym of Teesdalia R. Brown 1812 and never came into general use. The valid name for the tremellaceous genus is Phlogiotis Quel. 1886. Gyrocephalus Persoon 1825 is a nomen dubium. Guepiniopsis Patouillard 1883 is valid for species of the Dacrymycetaceae with cupulate, usually superior hymenium and inflated peridial cells. Heterotextus Lloyd 1922 is a synonym. It is suggested that nomenclatorial stability will best be served by conserving Guepinia Fries 1828, represented by G. Spathularia as the lectotype, against Guepinia Fries 1825 and Guepinia Bastard 1812.
American Journal of Botany © 1936 Botanical Society of America, Inc.