@misc{indiciae8aef0f50f7ec,
  title = {Progressus rei botanicae = Fortschritte der Botanik = Progrès de la botanique = Progress of botany — Illustration, Page 271},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/12989171},
  note = {Source identifier: page-12989171}
}