Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1669725
| | | About 5 mi. S. Ruidosa | 1936 |
13040201
| Cibolo-Red Light | unknown |
1669742
| TX | Brewster | Black Gap Wildlife Refuge. Near the Rio Grande along the road which goes from the headquarters through the gap to the river | 1971 |
13040205
| Big Bend | unknown |
1669705
| TX | Brewster | Rio Grande village. Big Bend National Park. | 1969 |
13040205
| Big Bend | unknown |
1669704
| TX | Presidio | 1 1/2 mi. N.P. ranch on Rio Grande. along banks of Rio Grande and irrigation ditches | 1941 |
13040201
| Cibolo-Red Light | unknown |
1669369
| TX | Presidio | About 10 miles southeast of Redford along Hwy 170 | 1976 |
13040203
| Black Hills-Fresno | unknown |
1669697
| TX | Presidio | Rio Grande near Chinati Mts. | 1936 |
13040201
| Cibolo-Red Light | unknown |