@misc{indiciaed33d1d31de75,
  title = {George Engelmann : botanical notebook 48 : Coniferae (Pinaceae) — Illustration, [No.] 10800},
  year = {1878},
  url = {https://www.biodiversitylibrary.org/page/55906772},
  note = {Source identifier: page-55906772}
}