@misc{indiciae78874d186695, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10080}, url = {https://www.biodiversitylibrary.org/page/55935257}, note = {Source identifier: page-55935257} }