@misc{indiciaeb87ce6e91c87,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10162 [2] verso},
  url = {https://www.biodiversitylibrary.org/page/55969609},
  note = {Source identifier: page-55969609}
}