@misc{indiciaed87e458a6c45,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10180 [1] verso},
  url = {https://www.biodiversitylibrary.org/page/55978134},
  note = {Source identifier: page-55978134}
}