@misc{indiciae54cdc46b7abc,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10148 [1] verso},
  url = {https://www.biodiversitylibrary.org/page/55968039},
  note = {Source identifier: page-55968039}
}