@misc{indiciae31727f35c0d1,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10156 [2] verso},
  url = {https://www.biodiversitylibrary.org/page/55968063},
  note = {Source identifier: page-55968063}
}