@misc{indiciae79e0026d32c0, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10084}, url = {https://www.biodiversitylibrary.org/page/55935265}, note = {Source identifier: page-55935265} }