Sneezeweed: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 14, 2026 | ||
| Invalidated site: Michigan State University Extention - Common Sneezeweed. | Jan 11, 2018 | ||
| Media added. | Feb 09, 2009 | ||
| Added new Web site: How Stuff Works - Science - Sneezeweed. | Jan 23, 2009 | ||
| Added new Web site: United States Department of Agriculture - Common Sneezeweed. | Dec 19, 2008 | ||
| Added new Web site: How Stuff Works - Home & Garden - Sneezeweed, Helenium. | Dec 19, 2008 | ||
| Added new Web site: Missouri Botanical Garden - Sneezeweed. | Dec 19, 2008 | ||
| Added new Web site: Michigan State University Extention - Common Sneezeweed. | Dec 19, 2008 | ||
| Added new Web site: Toxic Plant Database - Bitter Sneezeweed. | Dec 19, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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