County Donegal in the herbaria of the following institutions: the Ulster Museum, Belfast; Trinity College, Dublin; NUI Galway, and the Natural History Museum, London. Records of flowering plants include "Dactylorhiza purpurella" (Stephenson and Stephenson) Soó. The animals included in the county include the European badger ("Meles meles" L.). There are habitats for the rare corn crake ("Crex crex") in the county. At various times in its history, it has been known as County Tirconaill, County Tirconnell or County Tyrconnell (). The former was used as its official name during 1922–1927. This is in reference to both the old "túath" of Tír Chonaill
River Meles on its banks. No fewer than six small streams flow into the Gulf of İzmir between the northeastern tip of its outlying waters, where old Smyrna was built, to the city's ancient hilltop castle commanding the inner Gulf's southern shores (Kadifekale today, Pagus and Mount Pagus in ancient times) on the slopes of which, according to tradition, Alexander the Great had the dream of refounding a new Smyrna. Among these, the stream which rises ten miles south of the castle and flows round the base of its mountain had acquired the name of Meles in modern times and kept it