@misc{indiciaeb44b284b7985,
  title = {Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany — Illustration, Page 2},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/12944388},
  note = {Source identifier: page-12944388}
}