@misc{indiciaebb42ef6d2af0, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10323}, url = {https://www.biodiversitylibrary.org/page/55988949}, note = {Source identifier: page-55988949} }