@misc{indiciaef4fb99b430ad, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10320}, url = {https://www.biodiversitylibrary.org/page/55988943}, note = {Source identifier: page-55988943} }