@misc{indiciaeb3a7edaa740c,
  title = {George Engelmann : botanical notebook 48 : Coniferae (Pinaceae) — Illustration, [No.] 10796},
  year = {1878},
  url = {https://www.biodiversitylibrary.org/page/55906764},
  note = {Source identifier: page-55906764}
}