Whisk fern: 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 |
|---|---|---|---|
| Article title updated for style. | Nov 14, 2026 | ||
| Add new Web site: University of California Museum of Paleontology - Introduction to the Psilotales. | Jun 10, 2018 | ||
| Article thoroughly revised. | Oct 22, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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