| 0 | PI 631790 | 59-S-30-17 | Trifolium pannonicum Jacq. | Kentucky, United States | W6 |  | | 1997 | DONATED | 1997 | | | | | Uncertain improvement status | | 1594392 | PI 631790 |
| 1 | PI 655685 | Yugo# 7 | Trifolium pannonicum Jacq. | Former Serbia and Montenegro | W6 | | | 1997 | COLLECTED | 1990 | | | | | Wild material | | 1102001 | PI 655685 |
| 2 | PI 604692 | 93-105 | Trifolium pannonicum Jacq. | Sofia, Bulgaria | W6 | | | 1993 | COLLECTED | 11/08/1993 | Near Hotel Kopitoto on Mt. Vitosha overlooking Sophia, Sofia, Bulgaria. | 42.63333333, 23.23333333 | 1380 | Open meadow with grasses, mountainous, Ph 5.8, 67% sand, 23% silt, 10% clay, sandy loam | Wild material | Population distribution occasionally seen. Seeds abundant, small. | 1101610 | PI 604692 |
| 3 | PI 611635 | 93-28 | Trifolium pannonicum Jacq. | Bulgaria | W6 | | | 1993 | COLLECTED | 08/02/1993 | Pamporovo Ski Resort near Pamporovo, Bulgaria. | 41.65000000, 24.70000000 | 1540 | Grasses and legumes surrounded by forest, mountain meadow, Ph 5.95, 67% sand, 27% silt, 6% clay, sandy loam | Wild material | Frequency of sample: Frequently seen Comments: Heads on pedunlce | 1101608 | PI 611635 |
| 4 | PI 655666 | KY 29-S-30-17 | Trifolium pannonicum Jacq. | Former Serbia and Montenegro | W6 | | | 1992 | DONATED | 11/19/1992 | | | | | Wild material | | 1100472 | PI 655666 |
| 5 | PI 542865 | S-30-16 | Trifolium pannonicum Jacq. | Bosnia and Herzegovina | W6 |  | | 1989 | COLLECTED | 08/01/1988 | Sokolac to Pjerak Han Road near Village Luburic Polye, Bosnia. | 43.93333333, 18.78333333 | 950 | | Wild material | | 1437801 | PI 542865 |
| 6 | PI 494735 | S-30-6 | Trifolium pannonicum Jacq. | Suceava, Romania | W6 |  | | 1985 | COLLECTED | 08/11/1984 | Natural reserve, 7km S of Suceava, Suceava, Romania. | 47.61666667, 26.30000000 | 370 | | Wild material | Very vigorous, plentiful, managed as hay but not mowed this year [1984]. This is the best site fro collecting this species so far in Romania. (Collection notes, N.L. Taylor). | 1389671 | PI 494735 |
| 7 | PI 494736 | S-30-7 | Trifolium pannonicum Jacq. | București, Romania | W6 | | | 1985 | COLLECTED | 08/20/1984 | | | | | Wild material | Plants about 60 cm tall, seed harvested from two plants. (Collection notes, N.L. Taylor). | 1389672 | PI 494736 |
| 8 | PI 376208 | FAO 30.660 | Trifolium pannonicum Jacq. | Portugal | W6 |  | | 1972 | DONATED | 08/21/1972 | | | | | Uncertain improvement status | | 1281914 | PI 376208 |
| 9 | PI 597503 | 844 | Trifolium pannonicum Jacq. | Romania | W6 | | | 1971 | COLLECTED | PRE 11/08/1971 | | | | | Wild material | | 1087608 | PI 597503 |
| 10 | PI 597497 | 9864 | Trifolium pannonicum Jacq. | Romania | W6 | | | 1970 | COLLECTED | PRE 02/26/1970 | Iasi, Iasi, Romania | | | | Wild material | | 1083446 | PI 597497 |
| 11 | PI 597498 | 278 | Trifolium pannonicum Jacq. | Romania | W6 | | | 1970 | COLLECTED | PRE 02/26/1970 | Cluj, Cluj, Romania. | | | | Wild material | | 1083451 | PI 597498 |
| 12 | PI 314121 | G 17051 | Trifolium pannonicum Jacq. | Former, Soviet Union | W6 |  | | 1966 | DONATED | 05/03/1966 | | | | | Uncertain improvement status | | 1234584 | PI 314121 |
| 13 | PI 313967 | G 16898 | Trifolium pannonicum Jacq. | Former, Soviet Union | W6 | | | 1966 | DONATED | 04/28/1966 | | | | | Uncertain improvement status | | 1234453 | PI 313967 |
| 14 | PI 655602 | Ott 8593 | Trifolium pannonicum Jacq. | Czechoslovakia | W6 |  | | 1965 | DONATED | 11/02/1965 | | | | | Uncertain improvement status | Yellow bloom. | 1070423 | PI 655602 |
| 15 | PI 298419 | No. 1383 | Trifolium pannonicum Jacq. | Turkey | W6 |  | | 1964 | COLLECTED | | Between Urfa and Viran Sehir, Urfa, Turkey. | 37.13333333, 38.76666667 | | Roadside. (PI 172) | Uncertain improvement status | Annual; stems erect, to 30cm high; leaflets long; flowers purple. (Plant Inventory Vol. No. 172) | 1225452 | PI 298419 |
| 16 | PI 263249 | S-30-3 | Trifolium pannonicum Jacq. | Madrid, Comunidad de, Spain | W6 | | | 1960 | DONATED | 01/26/1960 | | | | | Uncertain improvement status | | 1542041 | PI 263249 |
| 17 | PI 253200 | No. 17377 | Trifolium pannonicum Jacq. | Bosnia and Herzegovina | W6 |  | | 1958 | COLLECTED | 10/15/1958 | Rocky mountain road East of Kupres, Bosnia and Herzegovina. | 43.98333333, 17.26666667 | 1158 | Sedimentaries with conifer forest. (NOTE) Rocky mountain road. (PI 166) | Wild material | | 1194766 | PI 253200 |