@misc{indiciae3dd4d724f3b4,
  title = {George Engelmann : botanical notebook 7 : Echinocactus, Echinopsis, and Cereus — Illustration, [No.] 1677},
  url = {https://www.biodiversitylibrary.org/page/56141674},
  note = {Source identifier: page-56141674}
}