@misc{indiciaeb2c92ca53096,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10146 verso},
  url = {https://www.biodiversitylibrary.org/page/55964031},
  note = {Source identifier: page-55964031}
}