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John Scholze   cc-by-3.0

Ammannia robusta (Grand Redstem) is a species of annual herb in the family Lythraceae. They have a self-supporting growth form. They are listed as endangered by COSEWIC. They are native to Canada, Santa Catarina, Mata Atlântica, The Contiguous United States, and Rio De Janeiro. They have simple, broad leaves.

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EOL has data for 15 attributes, including: