Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1714299
| IA | Davis | A 1+ acre, rectangular artificial pond is located ca 40 m N of State Hwy 2. The pond is on the Southern Iowa Drift Plain | 2001 |
07110001
| Bear-Wyaconda | |
1714298
| IA | Louisa | east side of Long Lake, an artificially raised marsh in Cone Marsh Wildlife Management Area | 1998 |
07080209
| Lower Iowa | |
1714297
| IA | Lucas | Shallow water at southedge of lake, Red Haw Hill State Park | 1956 |
07100008
| Lake Red Rock | |
1617121
| NC | Durham | Eno River Diabase Preserve | 2016 |
03020201
| Upper Neuse | established |
1633747
| NC | Gaston | Shorts Lake within Crowders Mountain State Park | 2012 |
03050101
| Upper Catawba | established |
1617120
| NC | Mecklenburg | Wetland adjacent to Rea Rd., 1 mi. S. of NC 51. At Piper Glen | 1996 |
03050103
| Lower Catawba | established |
1709260
| NC | Wake | [No locality description provided] | 2020 |
03020201
| Upper Neuse | |
1714296
| NE | Cass | Louisville State Recreation Area: near W end of property. Shore on S side of lake in floodplain of Platte River. | 2001 |
10200202
| Lower Platte | |
1715044
| NE | Lancaster | Along 1/2 mile of the east shore of Olive Creek Lake, in Olive Creek State Recreation Area, near Hallam, Nebraska. The species occupies much of the shoreline from the location coordinates above (adjacent to the Area 2 campground), then north 1/2 mile to the dam. | 2022 |
10200203
| Salt | established |
1715045
| NE | Lancaster | Along 1/2 mile of the east shore of Olive Creek Lake, in Olive Creek State Recreation Area, near Hallam, Nebraska. The species occupies much of the shoreline from the location coordinates above (adjacent to the Area 2 campground), then north 1/2 mile to the dam. | 2023 |
10200203
| Salt | established |
1714295
| NE | Lancaster | On muddy shore of Stagecoach Lake, Panama Rd. at S. 54th St. | 1995 |
10200203
| Salt | |
1670437
| NJ | Camden | Delaware River, Kaighn Point | 1865 |
02040202
| Lower Delaware | established |
1320746
| NJ | Essex | Great Piece Meadows | 2014 |
02030103
| Hackensack-Passaic | unknown |
1320745
| NJ | Morris | Pia Costa Lake | 1890 |
02030103
| Hackensack-Passaic | extirpated |
1333273
| PA | Bucks | Lake Luxembourg (BUCKS) | 2012 |
02040201
| Crosswicks-Neshaminy | established |
1333250
| PA | Bucks | Lake Luxembourg (BUCKS) | 2012 |
02040201
| Crosswicks-Neshaminy | established |
1333261
| PA | Bucks | Lake Luxembourg (BUCKS) | 2012 |
02040201
| Crosswicks-Neshaminy | established |
1333236
| PA | Bucks | Lake Luxembourg (BUCKS) | 2015 |
02040201
| Crosswicks-Neshaminy | established |
1700144
| PA | Venango | [No locality description provided] | 2021 |
05010003
| Middle Allegheny-Tionesta | |
1655119
| VA | | Vola Lawson Animal Shelter, ca. 0.1 km northwest of the intersection of the asphalt pedestrian path and Eisenhower Avenue; common in open wet depression near the north bank of Cameron Run | 2004 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1651357
| VA | Fairfax | above the falls in Great Falls National Park, shallow water, Potomac River | 1986 |
02070008
| Middle Potomac-Catoctin | established |
1651358
| VA | Fairfax | Belle Haven Marina on the Potomac River below Alexandria | 1990 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |
1651359
| VA | Fairfax | Potomac River along the border of tidal marsh below Dyke Marsh, ca. 2 mi. S. of the City of Alexandria | 1990 |
02070010
| Middle Potomac-Anacostia-Occoquan | established |