| 0 | PI 687236 | S-135-6 | Trifolium gracilentum Torr. & A. Gray | Chile | S9 | | | 2011 | COLLECTED | | | | | | Uncertain improvement status | | 1962770 | PI 687236 |
| 1 | PI 593280 | C-13 | Trifolium gracilentum Torr. & A. Gray | California, United States | S9 | | | 1995 | COLLECTED | 06/04/1994 | Sonoma County. Bodega Bay Marine Research Lab, UCD. Bodega Bay 3 miles east of Shore Drive. | | | 87% sand, 13% sh, 0 clay. pH 6.5 | Wild material | Flowers reddish purple, upright. | 1511767 | PI 593280 |
| 2 | PI 593287 | C-20A | Trifolium gracilentum Torr. & A. Gray | California, United States | S9 | | | 1995 | COLLECTED | 06/04/1994 | Two Rock, California; Walker Rd., 3 miles N of Two Rock; Button Ranch. | 38.30083333, -122.77694444 | 90 | Grassy pasture; sandy loam, 67% sand, 33% sh, 0 clay. pH 5.7. | Wild material | | 1511779 | PI 593287 |
| 3 | PI 593297 | C-30 | Trifolium gracilentum Torr. & A. Gray | California, United States | S9 | | | 1995 | COLLECTED | 06/06/1994 | Pope Valley. Wallace Farm; 3 miles NE of Wantrup Wildlife Sanctuary. Field at farm entrance about 1/2 mile S. of farmhouse. | 38.63166667, -122.38833333 | 210 | Pasture field, ryegrass, wild oat, medusa head. Sandy loam; 87% sand, 7% sh, 7% clay; pH 7.0 | Wild material | Scattered, hard to locate plants in open pasture. Procumbent. | 1511789 | PI 593297 |
| 4 | PI 593300 | C-34 | Trifolium gracilentum Torr. & A. Gray | California, United States | S9 | | | 1995 | COLLECTED | 06/06/1994 | Napa County, St. Helena; 1/2 mile S of Sulphur Springs Ave. on Lewelling Ranch. | 38.47916667, -122.46527778 | 120 | | Wild material | Procumbent. | 1511800 | PI 593300 |
| 5 | PI 516320 | Plant no. 739 | Trifolium gracilentum Torr. & A. Gray var. palmeri (S. Watson) McDermott | Kentucky, United States | S9 | | | 1986 | COLLECTED | 08/14/1986 | | | | | Wild material | | 1411256 | PI 516320 |
| 6 | PI 369042 | 34556 | Trifolium gracilentum Torr. & A. Gray | California, United States | S9 | | | 1971 | COLLECTED | | Jackson, California, southeast of Sacramento. | 38.36000000, -120.78000000 | | | Uncertain improvement status | | 1276588 | PI 369042 |