New England Botanical Club (Harvard University Herbaria) (Harvard University:NEBC)
barcode-00415899
324eb71f-44ef-4a42-af17-18f45e3f836b
Trapa natans Linnaeus
Lythraceae
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W. T. Kittredge
1711
2012-09-14
2012-9-14
United States of America, Massachusetts, Middlesex County, Medford, Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, Whitmore Brook above beaver dam, near where the Cross Fells Trail joins Whitmore Brook Road
42.4458333333 -71.1108333333 unknown
28 meters (92ft)
Shallow 0.3-1 m. deep, wide slow stream in full sun
Floating on surface, multiple rosettes arising from the underwater stem as well as from floating rosettes, surface leaves dark shiny green above, dull green below, underwater leaves dark green, fruit mid-green. | First record for Fells in ten years of observation, abundant in Mystic River ca. 3 km. away. Associates: Lemna minor, Myriophyllum sp.