Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
232311
| CA | Butte | Biggs, 3 Mi W of | 1946 |
18020158
| Butte Creek | established |
232287
| CA | Butte | Biggs, Cooperative Rice Experiment Station, in flooded rice checks among the rice plants | 1983 |
18020158
| Butte Creek | established |
233808
| CA | Butte | Biggs, N of, Rice Experiment Station, West Hamilton Rd at Riceton Hwy | 1990 |
18020158
| Butte Creek | established |
232294
| CA | Butte | Honcut, near, Peter Ahart Ranch | 1994 |
18020159
| Honcut Headwaters-Lower Feather | established |
233809
| CA | Butte | Rice Experiment Station, Butte City Hwy | 1994 |
18020158
| Butte Creek | established |
232288
| LA | Acadia | Crowley, 4 km N.E., Rice Experiment Station | 1971 |
08080201
| Mermentau Headwaters | established |
232304
| LA | Acadia | LSU Rice Experiment Station, east of La. 1111 and north of I-10 east of Crowley | 1975 |
08080201
| Mermentau Headwaters | established |
232303
| LA | Acadia | LSU Rice Experiment Station, east of La. 1111 and north of I-10 east of Crowley | 1979 |
08080201
| Mermentau Headwaters | established |
232302
| LA | Acadia | Midland, 1.5 mi W of, south of US 90, along Acadia Parish Rd. 5-2 | 1986 |
08080202
| Mermentau | established |
232306
| LA | Allen | Rice field off LA 104 about 9 mi E of Oberlin | 1981 |
08080201
| Mermentau Headwaters | established |
232305
| LA | Allen | Rice field south of LA 104 east of LA 26, east of Oberlin | 1981 |
08080201
| Mermentau Headwaters | established |
232307
| LA | Jefferson Davis | Rice field at intersection of LA 101 and I-10 N of Lacassine | 1986 |
08080202
| Mermentau | established |
232308
| LA | Jefferson Davis | Rice field off LA 101 just N of I-10 N of Lacassine | 1986 |
08080202
| Mermentau | established |
232309
| LA | St. Landry | Rice field off LA 19 about 0.5 mi W of Eunice | 1984 |
08080201
| Mermentau Headwaters | established |
232310
| LA | Vermilion | Rice field, Vermillion County | 1979 |
08080201
| Mermentau Headwaters | established |