| 0 | PI 477062 | 2366 | Chascolytrum erectum (Lam.) Desv. | Uruguay | W6 | | | 1982 | DEVELOPED | PRE 10/1982 | | | | | Wild material | Received as Chascolytrum macrostachyum. | 1371998 | PI 477062 |
| 1 | PI 477063 | 2370 | Chascolytrum lamarckianum (Nees) Matthei | Uruguay | W6 | | | 1982 | DEVELOPED | PRE 10/1982 | | | | | Wild material | | 1371999 | PI 477063 |
| 2 | PI 477064 | 2268 | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | W6 | | | 1982 | COLLECTED | 11/21/1979 | Fertile field, Route 26, Yaguary, Tacuarembo Department | -32.00000000, -55.33333333 | | | Wild material | Collected by B. Rosengurtt and D. Formoso. | 1372000 | PI 477064 |
| 3 | PI 477065 | 2350-b | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | W6 | | | 1982 | DEVELOPED | PRE 10/1982 | | | | | Uncertain improvement status | | 1372001 | PI 477065 |
| 4 | PI 404747 | 406 | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | W6 | | Not Available | 1975 | COLLECTED | 1975 | On Route 1, 33km northwest of Montevideo, 3km south at Playa Pascual | | | | Wild material | Rhizomatous plant with inflorescences 30 to 45cm high. Narrow leaves and stems. Good for stabilizing sand dunes. 10 | 1304922 | PI 404747 |
| 5 | PI 372189 | 28 | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | W6 | | | 1972 | DONATED | 02/27/1972 | | | | | Uncertain improvement status | | 1279006 | PI 372189 |
| 6 | PI 368855 | B 384 | Chascolytrum subaristatum (Lam.) Desv. | Chile | W6 | | | 1971 | COLLECTED | 1969 | Aleones 3km toward Pichilemu | | | | Wild material | | 1276438 | PI 368855 |
| 7 | PI 368856 | 25738 | Chascolytrum subaristatum (Lam.) Desv. | Chile | | | Historic | 1971 | COLLECTED | | Pichilemu cemetery | | | | | | 1276439 | PI 368856 |
| 8 | PI 368857 | 33365 | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | W6 | | | 1971 | COLLECTED | 1966 | | | | | Uncertain improvement status | | 1276440 | PI 368857 |
| 9 | PI 353463 | B-10940 | Chascolytrum erectum (Lam.) Desv. | Canelones, Uruguay | W6 | | Not Available | 1970 | COLLECTED | 1968 | Carrasco | | | | Uncertain improvement status | | 1264023 | PI 353463 |
| 10 | PI 353464 | W6 3437 | Chascolytrum lamarckianum (Nees) Matthei | Uruguay | W6 | | | 1970 | COLLECTED | 1968 | Sayago | | | | Uncertain improvement status | | 1264024 | PI 353464 |
| 11 | PI 353467 | W6 3444 | Chascolytrum subaristatum (Lam.) Desv. | Montevideo, Uruguay | W6 | | | 1970 | COLLECTED | 1969 | Botanic Garden | | | | Uncertain improvement status | | 1264027 | PI 353467 |
| 12 | PI 353468 | B-10967 | Chascolytrum subaristatum (Lam.) Desv. | Montevideo, Uruguay | W6 | | | 1970 | COLLECTED | 1968 | Cerro district | | | | Uncertain improvement status | | 1264028 | PI 353468 |
| 13 | PI 350290 | 2307 | Chascolytrum subaristatum (Lam.) Desv. | Portugal | | | Historic | 1970 | DONATED | 05/19/1970 | | | | | | | 1261339 | PI 350290 |
| 14 | PI 312886 | | Chascolytrum subaristatum (Lam.) Desv. | Chaco, Argentina | W6 | | | 1966 | DONATED | 03/31/1966 | | | | | Uncertain improvement status | | 1233454 | PI 312886 |
| 15 | PI 312836 | 4323 | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | W6 | | | 1966 | DONATED | 03/28/1966 | | | | | Uncertain improvement status | Perennial grass, producing an abundance of seed 10 | 1233431 | PI 312836 |
| 16 | PI 282880 | 3090 | Chascolytrum erectum (Lam.) Desv. | San José, Uruguay | W6 | | | 1962 | COLLECTED | | From Balneario 'Kiyu' | | | | Cultivated material | | 1210123 | PI 282880 |
| 17 | PI 282881 | 55 | Chascolytrum erectum (Lam.) Desv. | Uruguay | W6 | | | 1962 | COLLECTED | | From Desconocido | | | | Uncertain improvement status | | 1210124 | PI 282881 |
| 18 | PI 282882 | 310 | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | W6 | | | 1962 | COLLECTED | | From Desconocido | | | | Uncertain improvement status | | 1210125 | PI 282882 |
| 19 | PI 202012 | | Chascolytrum subaristatum (Lam.) Desv. | Argentina | | | Historic | 1952 | COLLECTED | | | | | | | | 1169816 | PI 202012 |
| 20 | PI 197846 | P.F. 154 | Chascolytrum subaristatum (Lam.) Desv. | Argentina | | | Historic | 1951 | COLLECTED | | | | | | | | 1675579 | PI 197846 |
| 21 | PI 197301 | F 835 | Chascolytrum subaristatum (Lam.) Desv. | Argentina | | | Historic | 1951 | COLLECTED | | | | | | | | 1674999 | PI 197301 |
| 22 | PI 128168 | | Chascolytrum subaristatum (Lam.) Desv. | Florida, Uruguay | | | Historic | 1938 | COLLECTED | | Fimote | | | | | | 1844525 | PI 128168 |
| 23 | PI 128169 | | Chascolytrum subaristatum (Lam.) Desv. | Uruguay | | | Historic | 1938 | COLLECTED | | Rio Santa Lucia-Paso Cuello | | | | | | 1844526 | PI 128169 |