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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: Biological Sciences at University of Massachusetts - Mosses. | Sep 01, 2016 | ||
| Add new Web site: Duke University - Liverwort Tree. | Nov 07, 2011 | ||
| Add new Web site: Biological Sciences at University of Massachusetts - Mosses. | Nov 07, 2011 | ||
| Article added to new online database. | Jul 20, 1998 |
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