@misc{indiciae19996fe39743,
  title = {Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany — Illustration, Page 87},
  year = {1914},
  url = {https://www.biodiversitylibrary.org/page/12981391},
  note = {Source identifier: page-12981391}
}