@misc{indiciae5359a0b5eb85, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10114}, url = {https://www.biodiversitylibrary.org/page/55996868}, note = {Source identifier: page-55996868} }