Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1438806
| CA | San Mateo | Jasper Ridge Biological Preserve, Stanford University. Edge of lake | 1958 |
18050003
| Coyote | established |
232443
| CA | San Mateo | Searsville Lake (edge) | 1958 |
18050003
| Coyote | established |
259124
| CA | Siskiyou | South of road between Yreka & Montague. | 1958 |
18010207
| Shasta | collected |
235099
| MA | Essex | Fish Brook at US Rt.#1, Boxford | 1958 |
01090001
| Charles | collected |
235100
| MA | Essex | Topsfield, US Rt. #1 | 1958 |
01090001
| Charles | collected |
232444
| MT | Lake | glacial pothole pond ~5 miles S of Ronan, along US Hwy 93, Mission Valley | 1958 |
17010212
| Lower Flathead | established |