@article{GregorKasperek2021,
  author    = {Thomas Gregor and Gerwin Kasperek},
  title     = {Non-native woody plant species in urban forests of Frankfurt/Main (Germany)},
  journal   = {Tuexenia},
  volume    = {41},
  pages     = {133 -- 145},
  doi       = {10.14471/2020.41.001},
  year      = {2021},
}