@misc{indiciae7de732cb9e1d, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10262F verso}, url = {https://www.biodiversitylibrary.org/page/55988323}, note = {Source identifier: page-55988323} }