NAS - Nonindigenous Aquatic Species
Countryman, W.D. 1970. The history, spread and present distribution of some immigrant aquatic weeds in New England. Hyacinth Control Journal 8(2):50-52.
Reference Number: 10194
Type: Journal Article
Author: Countryman, W.D.
Date (year): 1970
Article Title:The history, spread and present distribution of some immigrant aquatic weeds in New England.
Journal Name: Hyacinth Control Journal
Butomus umbellatus NY - Lake Champlain, in the southern end of near Whitehall. VT - Lake Champlain [Location approximate, hand plotted county within HUC] CT - in a ditch near the airport
Egeria densa MA - pond by the Memorial Park in Abington MA - Abington, pond by the Memorial Park MA - pond by the Memorial Park in Abington MA - Quincy, a brook in Furnace Brook Parkway VT - Townshend
Hydrilla verticillata [monoecious] WA - Lake Lucerne WA - Pipe Lake
Nymphoides peltata VT - West Haven NY - Putnam
Trapa natans MA - Middlesex county MA - Concord River MA - Sudbury River MA - Cambridge, Belmont, and Arlington, in ponds VT - Lake Champlain, southern end in shallow bays NY - Lake Champlain, southern VT - West Haven VT - Benson VT - Lake Champlain VT - Lake Champlain VT - Lake Champlain
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Citation information: U.S. Geological Survey. . Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/4/2022].
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