Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
30465
| CO | | Arkansas drainage | 1993 |
11020002
| Upper Arkansas | established |
30829
| CO | | Arkansas drainage | 1998 |
11020002
| Upper Arkansas | established |
30693
| CO | | Big Thompson drainage | 1997 |
10190006
| Big Thompson | established |
30694
| CO | | Cache La Poudre drainage | 1997 |
10190007
| Cache La Poudre | established |
30464
| CO | | Colorado drainage | 1993 |
14010001
| Colorado Headwaters | established |
30691
| CO | | middle South Platte-Cherry Creek drainage | 1997 |
10190003
| Middle South Platte-Cherry Creek | established |
30467
| CO | | Platte drainage | 1993 |
10190000
| South Platte | established |
30466
| CO | | Rio Grande drainage | 1993 |
13010001
| Rio Grande Headwaters | established |
30289
| CO | | San Luis Valley (Rio Grande headwaters drainage) | 1986 |
13010003
| San Luis | established |
30828
| CO | | South Platte (HUC6) non-specific | 1998 |
10190000
| South Platte | established |
30692
| CO | | St. Vrain drainage | 1997 |
10190005
| St. Vrain | established |
30614
| CO | | White River | 1982 |
14050002
| Lower Yampa | established |
30616
| CO | | San Juan drainage, upper | 1982 |
14080102
| Piedra | established |
747953
| CO | Adams | South Platte. | 2002 |
10190003
| Middle South Platte-Cherry Creek | established |
1322686
| CO | Baca | Upper Cimarron | 1967 |
11040002
| Upper Cimarron | established |
157569
| CO | Bent | Bent's Old Fort National Historic Site | 1999 |
11020009
| Upper Arkansas-John Martin Reservoir | collected |
30193
| CO | Denver | Denver County | 1985 |
10190000
| South Platte | collected |
30196
| CO | El Paso | El Paso County | 1985 |
| Unknown or N/A | collected |
30192
| CO | La Plata | La Plata County | 1985 |
14080101
| Upper San Juan | collected |
30615
| CO | Mesa | Colorado River just above Gunnison | 1982 |
14010005
| Colorado Headwaters-Plateau | established |
30191
| CO | Mesa | Mesa County | 1985 |
14000000
| Upper Colorado | collected |
282620
| CO | Otero | Arkansas River and Arch Wetland near Historic Fort Bent ruins | 2005 |
11020005
| Upper Arkansas-Lake Meredith | collected |
30197
| CO | Pueblo | Pueblo County | 1985 |
11020002
| Upper Arkansas | collected |
30194
| CO | Rio Grande | Rio Grande County | 1985 |
13010001
| Rio Grande Headwaters | collected |