@misc{indiciae0e115f216107,
  title = {George Engelmann : botanical notebook 27 : Nyctagineae, Chenopodiaceae, Polygonaceae, Aristolochiaceae, Loranthaceae, Urticaceae, Platanaceae, Juglandaceae, Fagaceae, Betulaceae, Salicaceae — Illustration, [No.] 5671},
  year = {1877},
  url = {https://www.biodiversitylibrary.org/page/53032991},
  note = {Source identifier: page-53032991}
}