@misc{indiciae17d78b3e901d, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10072}, url = {https://www.biodiversitylibrary.org/page/55935241}, note = {Source identifier: page-55935241} }