@article{Lubienski2022,
  author    = {Marcus Lubienski},
  title     = {Asplenium trichomanes subsp. hastatum in Bochum},
  journal   = {Jahrbuch des Bochumer Botanischen Vereins},
  volume    = {13},
  pages     = {70 -- 72},
  year      = {2022},
}