@misc{indiciaef1999ed74d93,
  title = {Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany — Illustration, Page 547},
  year = {1907},
  url = {https://www.biodiversitylibrary.org/page/12966290},
  note = {Source identifier: page-12966290}
}