Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
287
| CA | Imperial | Colorado River 2.3 km E of I-8 river crossing | 1990 |
15030107
| Lower Colorado | established |
269
| CA | Imperial | Colorado River near Pilot Knob, 8.4 km WNW of Yuma | 1990 |
15030107
| Lower Colorado | established |
286
| CA | Imperial | Colorado River, 3.3 km WNW of I-8 river crossing | 1990 |
15030107
| Lower Colorado | established |
927
| CA | Imperial | open canal in field 0.75 mi. southeast of San Pasqual School, north of Winterhaven | 1989 |
15030107
| Lower Colorado | collected |