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| | Dr. Dessie Severson |
 | | Salamander populations in the Allegheny National Forest: the role of invasive plants by Eileen Burley, Mariah Peterman*, Lisa Van Gorden, Dessie Severson, and Thomas Pauley, Allegheny Institute of Natural History, University of Pittsburgh- Bradford, Bradford, PA 16701. |
 | | Salamander populations in the Allegheny National Forest: the role of bryophytes, by Tracy Guenther* and Dessie Severson, Allegheny Institute of Natural History, University of Pittsburgh-Bradford, Bradford, PA 16701. |
 | | A three-year summary of the relationship between an invasive fern and salamander populations in the Allegheny National Forest, by Hope Dotter*, John Skinner, Dessie Severson, and Thomas Pauley, Allegheny Institute of Natural History, University of Pittsburgh-Bradford, Bradford, PA 16701. |
| www.pitt.edu /~severson (1274 words) |
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