This section is from the book "Who's Who Among The Wild Flowers", by W. I. Beecroft. Also available from Amazon: A Field Guide to Edible Wild Plants.
Alisma Plantago-aquatica. Water Plantain Family. July - Sept.
Found in shallow water. North America, Europe, Asia.
Small, white, in loose, symmetrical cluster, on stalk 1 - 3 feet high.
From the base, variable in shape, broad or narrow.

Water Plantain.
 
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