Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
40872
| OR | Clatsop | Gravel pit, 0.5 miles east of Gearhart | 2001 |
17100201
| Necanicum | established |
295812
| OR | Clatsop | Gravel pit, 0.5 miles east of Gearhart | 2009 |
17100201
| Necanicum | established |
295813
| OR | Clatsop | Gravel pit, 0.5 miles east of Gearhart | 2013 |
17100201
| Necanicum | established |
40880
| OR | Clatsop | Rilea Slough, Camp Rilea (National Guard), 3.5 miles southwest of Warrenton and west of highway 101. | 2001 |
17100201
| Necanicum | established |
295823
| OR | Clatsop | Rilea Slough, Camp Rilea (National Guard), 3.5 miles southwest of Warrenton and west of highway 101. | 2009 |
17100201
| Necanicum | established |
295827
| OR | Clatsop | Rilea Slough, Camp Rilea (National Guard), 3.5 miles southwest of Warrenton and west of highway 101. | 2013 |
17100201
| Necanicum | established |