@article{HemmButtlerKoenig2007, author = {Klaus Hemm and Karl Peter Buttler and Andreas K{\"o}nig}, title = {Die Felsen-Zwenke (Brachypodium rupestre) in Hessen}, journal = {Botanik und Naturschutz in Hessen}, volume = {19}, pages = {19 -- 26}, year = {2007}, }