@misc{indiciae40ca8ff25196,
  title = {George Engelmann : botanical notebook 27 : Nyctagineae, Chenopodiaceae, Polygonaceae, Aristolochiaceae, Loranthaceae, Urticaceae, Platanaceae, Juglandaceae, Fagaceae, Betulaceae, Salicaceae — Illustration, [No.] 5633},
  year = {1872},
  url = {https://www.biodiversitylibrary.org/page/53044121},
  note = {Source identifier: page-53044121}
}