@article{GregorHodvinaRexer2019,
  author    = {Thomas Gregor and Sylvain Hodvina and Karl-Heinz Rexer},
  title     = {Die Sammlung Wolfgang Ludwig im Herbarium Marburgense (MB)},
  journal   = {Botanik und Naturschutz in Hessen},
  volume    = {31},
  pages     = {51 -- 86},
  year      = {2019},
}