@misc{indiciae3b9b3f8e8d6b,
  title = {Die Vegetation der Erde :Sammlung pflanzengeographischer Monographien — Illustration, Tafel XV},
  year = {1909},
  url = {https://www.biodiversitylibrary.org/page/34221711},
  note = {Source identifier: page-34221711}
}