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2016 Keir Morse   cc-by-nc-sa-3.0

Justicia americana (American Water Willow) is a species of perennial herb in the family Acanthaceae. They are listed as threatened by COSEWIC. They are native to Canada, The Contiguous United States, Eastern North America, and North America. They have white flowers. Individuals can grow to 2.5 feet.

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EOL has data for 63 attributes, including:

Known occurrences, collected specimens and observations of American water-willow from the Global Biodiversity Information Facility   GBIF provides free and open access to biodiversity data. View this species on GBIF