I'm not sure about the fresh water, but as you surely know, Widgeon grass tolerates a wide range of salinity, from the slightly brackish upper and mid-Bay tributaries to near seawater salinity in the lower Bay, and in hypersaline salt pannes. Widgeon grass has also been reported to grow in the freshwater parts of some estuaries and in nontidal waters. In more saline lower Bay areas, widgeon grass and eelgrass are the dominant bay grass species. Widgeon grass is most common in shallow areas with sandy substrates, although it occasionally grows on soft, muddy sediments. High wave action can damage the slender stems and leaves of widgeon grass.
Just being a smart-@ss. Pulled that off a Chesapeak bay site. I wanted to look smart too! Since we were pulling out latin names.
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