Hippuris tetraphylla L. f.
Annotated by Reidar Elven, David F. Murray, 19 Feb 2009. Remarks: Former nature_of_id: expert.

Alaska: Alaska Penin., Aniakchak Bay, NE corner of Black Creek Lagoon, at mouth of creek in the old Aniakchak riverbed. Elev. 1-1
56.726333° N, 157.579767° W,
Datum: North American Datum 1927. Coordinate Source: unknown. not recorded. unverified.
Estuarine ryegrass meadow, margin of small shallow pond, growing in 20-40 cm of water, abundant. Http://arctos.database.museum/guid/UAM:Herb:142704. Number of labels=2.

Rob Lipkin 04-354, U. S. National Park Service accession=ANIA-24, U. S. National Park Service catalog=ANIA-3313, 23-Jul-2004
With Michael Duffy; Koren Bosworth; Amy E. Miller
ALA, Catalog: UAM:Herb:142704, ALAAC=V156110