No Common Name Physa gyrina (Say, 1821)  

There are 10 records in the project database.

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A Physa gyrina in Charles Co., Maryland (9/21/2016). Measured 6 mm. Photo by Robert Aguilar, SERC. (MBP list)

A Physa gyrina collected from the Potomac River, Washington, D.C. (8/17/2017). Verified by Robert Dillon/FWGNA. Photo by Robert Aguilar, SERC. (MBP list)


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