@misc{indiciae4a869f5ad60a,
  title = {George Engelmann : botanical notebook 11 : Opuntia 1856-1882 — Illustration, [No.] 2565},
  year = {1869},
  url = {https://www.biodiversitylibrary.org/page/52850072},
  note = {Source identifier: page-52850072}
}