@misc{indiciaeea55e857484c, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10144}, url = {https://www.biodiversitylibrary.org/page/55964026}, note = {Source identifier: page-55964026} }