Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1406718
| IN | Porter | Dunes Creek, 4-5 meters W of Mineral Springs Rd | 1992 |
04040001
| Little Calumet-Galien | unknown |
234323
| MD | Anne Arundel | Town of Severna Park, Cypress Creek, bog at the head of creek near Ritchie HWY and Rte 2 | 1992 |
02060004
| Severn | established |
234345
| MD | Dorchester | Vienna, 0.2 mi S of, on Vienna Henry's Crossroad, in marsh adjacent to unnamed tributary to Nanticoke River | 1992 |
02080109
| Nanticoke | established |
1457554
| MI | Chippewa | Center Sec 21 T46N-R7W. | 1992 |
04020202
| Tahquamenon | unknown |
1336105
| MO | Boone | Old Highway 63 (now appearing as a service road) ca. 0.6 mi N of the roadside park, ca. 4 1/2 mi N of Ashland roadside ditch; E side of road | 1992 |
10300102
| Lower Missouri-Moreau | unknown |
853169
| OR | Multnomah | Washougal | 1992 |
17080001
| Lower Columbia-Sandy | established |
229438
| VA | King George | Caledon Natural Area, western-most portion of the Potomac River shore [State Park] | 1992 |
02070011
| Lower Potomac | established |
238426
| WA | Thurston | Woodland Creek, near railroad tracks | 1992 |
17110019
| Puget Sound | established |