@misc{indiciae005baf57dde3,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10315},
  url = {https://www.biodiversitylibrary.org/page/55988933},
  note = {Source identifier: page-55988933}
}