Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
26686
| AR | | lower Mississippi-Helena drainage | 1998 |
08020100
| Lower Mississippi-Helena | established |
159286
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1995 |
08020100
| Lower Mississippi-Helena | established |
159339
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1995 |
08020100
| Lower Mississippi-Helena | established |
159353
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1995 |
08020100
| Lower Mississippi-Helena | established |
159373
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1996 |
08020100
| Lower Mississippi-Helena | established |
159345
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1996 |
08020100
| Lower Mississippi-Helena | established |
159352
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1996 |
08020100
| Lower Mississippi-Helena | established |
159342
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1997 |
08020100
| Lower Mississippi-Helena | established |
159337
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1997 |
08020100
| Lower Mississippi-Helena | established |
159355
| AR | Crittenden | Mississippi River at Porter Lake dike sandbar, RM 699-700 | 1997 |
08020100
| Lower Mississippi-Helena | established |
159275
| AR | Lee | Mississippi River, St. Francis Bend dike sandbar, RM 672 | 1995 |
08020100
| Lower Mississippi-Helena | established |
26939
| AR | Phillips | lower Mississippi-Helena drainage | 1988 |
08020100
| Lower Mississippi-Helena | established |
159343
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1995 |
08020100
| Lower Mississippi-Helena | established |
159276
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1995 |
08020100
| Lower Mississippi-Helena | established |
159348
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1995 |
08020100
| Lower Mississippi-Helena | established |
159282
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1995 |
08020100
| Lower Mississippi-Helena | established |
159347
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1996 |
08020100
| Lower Mississippi-Helena | established |
159288
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1997 |
08020100
| Lower Mississippi-Helena | established |
159340
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1997 |
08020100
| Lower Mississippi-Helena | established |
159338
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1997 |
08020100
| Lower Mississippi-Helena | established |
159341
| AR | Phillips | Mississippi River, Kangaroo Point sandbar, RM 646-647 | 1997 |
08020100
| Lower Mississippi-Helena | established |
159278
| AR | Phillips | Mississippi River, St. Francis dike sandbar, RM 672 | 1996 |
08020100
| Lower Mississippi-Helena | established |