@article{Kappus2003,
  author    = {Adolf Kappus},
  title     = {Beobachtungen zu Oenothera-Sippen im s{\"u}dlichen Oberrheingebiet},
  journal   = {Carolinea},
  volume    = {61},
  pages     = {37 -- 42},
  doi       = {10.57962/regionalia-19467},
  year      = {2003},
}