A Physa gyrina in Charles Co., Maryland (9/21/2016). Measured 6 mm.

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

10 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

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A Physa gyrina in Charles Co., Maryland (9/21/2016). Measured 6 mm. View Record Details Media by Robert Aguilar, SERC.

A Physa gyrina collected from the Potomac River, Washington, D.C. (8/17/2017). Verified by Robert Dillon/FWGNA. View Record Details Media by Robert Aguilar, SERC.

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