Mantua Bog State Nature Preserve Information (Geography)
|Mantua Bog State Nature Preserve|
|Location||Mantua Township, Portage County, Ohio|
MANTUA SWAMP Latitude and Longitude:
|Area||104.8 ha (259 acres)|
The Mantua Bog State Nature Preserve (or Mantua Swamp) is a 104.8-acre (42.4 ha) protected wetland in Mantua Township, Portage County in the U.S. state of Ohio. It was designated a National Natural Landmark in 1976   and a state nature preserve in 1990.   The national landmark designation encompasses 285 acres (115 ha) which includes Marsh Wetlands State Nature Preserve, in addition to Mantua Bog State Nature Preserve. 
The nature preserve includes different types of wetlands including swamp forest, boreal bog, and cattail marshes.  Twenty-four state-listed plants have been identified in the bog including autumn willow ( Salix serissima), bunchflower ( Melanthium virginicum), and cranberry ( Vaccinium oxycoccos).  In 2000, the Ohio Odonata Survey found a breeding population of the brush-tipped emerald dragonfly ( Somatochlora walshii), a species not previously known to exist in Ohio.  
- Glotzhober, Robert C.; Moody, Dwight L. (June 2002). "Somatochlora walshii (Odonata: Corduliidae), a new state record for Ohio". Ohio Journal of Science. 102 (3): 40–42. Retrieved September 22, 2017.
- "National Natural Landmarks - Mantua Swamp". www.NPS.gov. Retrieved September 22, 2017.
- "Wetland areas designated as landmarks". Chillicothe Gazette. Chillicothe, Ohio. March 24, 1976. p. 20. Retrieved September 21, 2017 – via Newspapers.com.
- "Mantua Bog". Naturepreserves.ohiodnr.gov. Retrieved September 21, 2017.
- "Ohio has wetlands in Mantua". The Akron Beacon Journal. September 15, 1990. p. 20. Retrieved September 22, 2017 – via Newspapers.com.
- "Marsh Wetlands". naturepreserves.ohiodnr.gov. Retrieved September 22, 2017.
- Ohio Historical Society (August 29, 2000). "Rare insect found in Ohio". News-Journal. Mansfield, Ohio. Retrieved September 22, 2017 – via Newspapers.com.