@misc{indiciaee7bf79add10c, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10113 verso}, url = {https://www.biodiversitylibrary.org/page/55996867}, note = {Source identifier: page-55996867} }