@misc{indiciae46bc33c7115b,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10128 1},
  url = {https://www.biodiversitylibrary.org/page/55993033},
  note = {Source identifier: page-55993033}
}