Author:Thomas Jefferson Howell
From Wikisource
| ←Author Index: Ho | Thomas Jefferson Howell (1842–1912) |
| American botanist. |
Works [edit]
- 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)
| Works by this author published before January 1, 1923 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. |