Image from the Biodiversity Heritage Library.
Contributed by New York Botanical Garden, LuEsther T. Mertz Library.
| www.biodiversitylibrary.org
Transcription
Spirodela polyrhiza, Springfield Pond & others
Aurbach Pond. N. of Jamaica
desma minor c
do.
Hydris flabellata c
Observed July 29 05 + some rain form fall : Springfield any boat ;