@misc{indiciae7794870f25d0, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10094}, url = {https://www.biodiversitylibrary.org/page/55952665}, note = {Source identifier: page-55952665} }