| Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
|
41033
| OR | Gilliam | John Day River, from Kimberly to mouth via highway 19, hwy 206 and I-84. | 2001 |
17070204
| Lower John Day | established |
|
296275
| OR | Gilliam | John Day River, from Kimberly to mouth via highway 19, hwy 206 and I-84. | 2009 |
17070204
| Lower John Day | established |
|
296281
| OR | Gilliam | John Day River, from Kimberly to mouth via highway 19, hwy 206 and I-84. | 2013 |
17070204
| Lower John Day | established |
|
41282
| OR | Gilliam | John Day River, from Tumwater to mouth. | 2001 |
17070204
| Lower John Day | established |
|
296279
| OR | Gilliam | John Day River, from Tumwater to mouth. | 2009 |
17070204
| Lower John Day | established |
|
296285
| OR | Gilliam | John Day River, from Tumwater to mouth. | 2013 |
17070204
| Lower John Day | established |
|
41401
| OR | Sherman | John Day River, river mile 95 to mouth. | 2001 |
17070204
| Lower John Day | established |
|
297444
| OR | Sherman | John Day River, river mile 95 to mouth. | 2009 |
17070204
| Lower John Day | established |
|
297442
| OR | Sherman | John Day River, river mile 95 to mouth. | 2013 |
17070204
| Lower John Day | established |
|
748426
| OR | Wasco | John Day River. Township:8s, Range:19e, Section:4; Maps:250k-Bend, 24k-Clarno, 100k-Stephenson Mountain. | 2000 |
17070204
| Lower John Day | established |
|
41914
| OR | Wheeler | John Day River - from Kimberly to river mile 97 off highway 19. | 2001 |
17070204
| Lower John Day | established |
|
299911
| OR | Wheeler | John Day River - from Kimberly to river mile 97 off highway 19. | 2009 |
17070204
| Lower John Day | established |
|
299913
| OR | Wheeler | John Day River - from Kimberly to river mile 97 off highway 19. | 2013 |
17070204
| Lower John Day | established |