@misc{indiciae63c1c0b13c9f,
  title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10162 [1] verso},
  url = {https://www.biodiversitylibrary.org/page/55969607},
  note = {Source identifier: page-55969607}
}