@misc{indiciae7d7d156df4e6, title = {George Engelmann : botanical notebook 45 : Polyanthus, Sagittaria, Echinodorus, Najadaceae, Najas, Potamogetonaceae, Cyperaceae, Gramineae — Illustration, [No.] 10063}, url = {https://www.biodiversitylibrary.org/page/55904716}, note = {Source identifier: page-55904716} }