@misc{indiciae21f9e1eaf5ad,
  title = {Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany — Illustration, Page 203},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/12944566},
  note = {Source identifier: page-12944566}
}