@misc{indiciaea5ce6acb9808,
  title = {George Engelmann : botanical notebook 27 : Nyctagineae, Chenopodiaceae, Polygonaceae, Aristolochiaceae, Loranthaceae, Urticaceae, Platanaceae, Juglandaceae, Fagaceae, Betulaceae, Salicaceae — Illustration, [No.] 5601},
  year = {1872},
  url = {https://www.biodiversitylibrary.org/page/53033156},
  note = {Source identifier: page-53033156}
}