@misc{indiciaed086093731b1, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10054}, url = {https://www.biodiversitylibrary.org/page/55904698}, note = {Source identifier: page-55904698} }