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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: Zipcode Zoo - Echinodorus. | May 01, 2017 | ||
| Added information on physical description and geographical distribution. | Jun 27, 2014 | ||
| Add new Web site: Zipcode Zoo - Echinodorus. | Nov 04, 2011 | ||
| Article added to new online database. | May 27, 1999 |
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