Database GEFD
GEFD is the acronym of the German plant society Gesellschaft zur Erforschung der Flora Deutschlands. In 2008 Dr. Karl Peter Buttler and Dr. Ralf Hand published their Liste der Gefäßpflanzen Deutschlands, in Kochia, Beiheft 1: 1–107 (2008) a list of all vascular plants in Germany. Please note that this database contains no local names.
By courtesy of GEFD Eco:Map integrates this list of 5.412 scientific names and synonyms.