Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1442903
| CA | Shasta | Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the grassy shore line of a conic depression pond near the lower and western edge of Big Lake. | 2006 |
18020003
| Lower Pit | established |
1442857
| CA | Shasta | Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the grassy shore line of Big Lake. | 2006 |
18020003
| Lower Pit | established |
1442756
| CA | Shasta | Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected at edge of Horr Pond near campsite 7. | 2006 |
18020003
| Lower Pit | established |
1442762
| CA | Shasta | Hollenbeck Field, 950 feet E of Rat Farm Boat Launch, 3.4 air miles N of McArthur, Fall River Valley, McArthur Swamp. | 2013 |
18020003
| Lower Pit | established |
1441579
| CA | Shasta | just s of bridge over Pit River (at MacArthur) | 1971 |
18020003
| Lower Pit | established |