@misc{indiciaedbfadd02d9d3,
  title = {George Engelmann : botanical notebook 7 : Echinocactus, Echinopsis, and Cereus — Illustration, [No.] 1734},
  url = {https://www.biodiversitylibrary.org/page/56198979},
  note = {Source identifier: page-56198979}
}