quillwort: References & Edit History
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Article Contributors
Primary Contributors
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George Yatskievych
Curator, Missouri Botanical Garden.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Links added. | Sep 21, 2023 | ||
| Revised taxonomy and mentioned endangered species. | Mar 20, 2020 | ||
| Media added. | Mar 20, 2020 | ||
| Article thoroughly revised. | Aug 20, 2008 | ||
| Added new Web site: Washington State Department of Ecology - Quillworts. | Jun 16, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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