@article{Koenig1989,
  author    = {Andreas K{\"o}nig},
  title     = {{\"U}ber die Pontische Quecke Elymus elongatus (Host) Runemark subsp. ponticus (Podpera) Melderis in Hessen und angrenzenden L{\"a}ndern},
  journal   = {Botanik und Naturschutz in Hessen},
  volume    = {3},
  pages     = {5 -- 13},
  year      = {1989},
}