Author:Thomas Jefferson Howell

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Thomas Jefferson Howell
Thomas Jefferson Howell


  • A Flora of Northwest America: Containing brief descriptions of all the known indigenous and naturalized plants growing without cultivation north of California, west of Utah, and south of British Columbia (1897-1903)

Articles in Popular Science Monthly[edit]

Works by this author published before January 1, 1927 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.