Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
168323
| MD | Allegany | Lake Habeeb | 2005 |
02070002
| North Branch Potomac | unknown |
235979
| MD | Allegany | Pond at Dan's Mountain State Park, near Lonaconing, Water Station Run Rd. and Rt. 36 | 2005 |
02070002
| North Branch Potomac | unknown |
155283
| MD | Anne Arundel | Magothy River, Site Code: AA-N-160-215-97 | 1999 |
02060004
| Severn | unknown |
155281
| MD | Baltimore | Beaverdam | 1999 |
02060003
| Gunpowder-Patapsco | unknown |
235974
| MD | Baltimore | Farm pond, near Glyndon (Reisterstown), Worthington Valley Rd. | 2005 |
02060003
| Gunpowder-Patapsco | unknown |
235978
| MD | Baltimore | Patapsoco River at Liberty Dam, Randallstown, Marriotsville Rd. | 2005 |
02060003
| Gunpowder-Patapsco | unknown |
155285
| MD | Caroline | sand pit near Federalsburg | 1999 |
02080109
| Nanticoke | unknown |
1738104
| MD | Dorchester | [No locality description provided] | 2022 |
02060005
| Choptank | |
236775
| MD | Frederick | Pond at Hunting Creek Fisheries, near Thurmont, off Rt. 15 | 1999 |
02070009
| Monocacy | unknown |
155284
| MD | Garrett | New Germany Lake | 1999 |
02070002
| North Branch Potomac | unknown |
236774
| MD | Howard | Guilford Park pond, near Jessup and near Savage, near Rt. 1 Guilford Rd | 2003 |
02060006
| Patuxent | unknown |
236773
| MD | Howard | Guilford Park pond, near Jessup and near Savage, near Rt. 1 Guilford Rd | 2005 |
02060006
| Patuxent | unknown |
1736047
| MD | Montgomery | [No locality description provided] | 2021 |
02070008
| Middle Potomac-Catoctin | |
1736055
| MD | Montgomery | [No locality description provided] | 2022 |
02070010
| Middle Potomac-Anacostia-Occoquan | |
235973
| MD | Montgomery | Clopper Lake, near Germantown, Great Seneca Hwy & Clopper Rd | 1999 |
02070008
| Middle Potomac-Catoctin | unknown |
155282
| MD | Montgomery | Little Seneca Lake | 1999 |
02070008
| Middle Potomac-Catoctin | unknown |
168357
| MD | Montgomery | Little Seneca Lake | 2002 |
02070008
| Middle Potomac-Catoctin | unknown |
236772
| MD | Montgomery/Howard | Rocky Gorge Reservoir, near Brookville, near Ednor Rd. | 2003 |
02060006
| Patuxent | unknown |
236771
| MD | Prince George's | Lake Artemesia, College Park | 2002 |
02070010
| Middle Potomac-Anacostia-Occoquan | unknown |
235975
| MD | Washington | Greenbrier Lake, Greenbrier State Park, near Myersville or Hagerstown, hwy US 40. | 2005 |
02070004
| Conococheague-Opequon | unknown |
235977
| MD | Washington | Little pool in Chesapeake and Ohio Canal National Historical Park, Hancock, near I-70. | 1999 |
02070004
| Conococheague-Opequon | unknown |
235976
| MD | Washington | Little pool in Chesapeake and Ohio Canal National Historical Park, Hancock, near I-70. | 2003 |
02070004
| Conococheague-Opequon | unknown |