@misc{indiciae9d47e8848f89,
  title = {George Engelmann : botanical notebook 9 : Echinocereus, Cereus, Eulychnia, Pilocereus — Illustration, [No.] 2014},
  url = {https://www.biodiversitylibrary.org/page/56134363},
  note = {Source identifier: page-56134363}
}