@misc{indiciae70c55e1af9f1, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10153}, url = {https://www.biodiversitylibrary.org/page/55968054}, note = {Source identifier: page-55968054} }