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Howellia aquatilis, the water howellia, is a small plant in the family Campanulaceae that was considered a federally threatened species between 1994 and 2021 under the Endangered Species Act of 1973. It is the only species in the monotypic genus Howellia. Thomas Jefferson Howell and Joseph Howell discovered the species in 1878.
The water howellia is found in large area of the Pacific Northwest region of the United States. It can be found in California, Idaho, Montana, and Washington, and it is known historically from Oregon.
Text excerpted from the Wikipedia article Howellia by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
