@misc{indiciaef96db97123dc,
  title = {Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany — Illustration, Page 189},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/12965920},
  note = {Source identifier: page-12965920}
}