Alisma Subcordatum, or more commonly know as American Water Plantain, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and white flowers of the genus Alisma. It has a moderate growth rate and a height of 0.5 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during late spring and is intolerant of shade. Alisma Subcordatum or American Water Plantain's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Arizona, California, Colorado, Connecticut, Delaware, Georgia, Iowa, Illinois, Indiana, Kentucky, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont and Wisconsin.
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