@misc{indiciae2a297eec3ad7,
  title = {George Engelmann : botanical notebook 46 : Coniferae (Pinaceae) — Illustration, [No.] 10527},
  year = {1871},
  url = {https://www.biodiversitylibrary.org/page/55928474},
  note = {Source identifier: page-55928474}
}