| 0 | PI 687240 | S-20-1 | Trifolium incarnatum L. | United States | S9 | | | 2011 | COLLECTED | | | | | | Uncertain improvement status | | 1962774 | PI 687240 |
| 1 | PI 636453 | B96-331 | Trifolium incarnatum L. | Bulgaria | S9 | | | 1996 | COLLECTED | 07/1996 | Open meadow, grass, clovers (many species). Legumes dry. south of city, Pravec. | 42.87055556, 23.99555556 | 441 | Open | Wild material | flowers= white/rose | 1541092 | PI 636453 |
| 2 | PI 591666 | 93-64 | Trifolium incarnatum L. var. molinerii (Balb. ex Hornem.) Ser. | Bulgaria | S9 | | | 1995 | COLLECTED | 08/05/1993 | On road from Pirin to Melnik. | 41.52888889, 23.55972222 | 970 | Sandy loam. Dry grasses and forbes. Mountainous hillsides. Occasional. | Wild material | Flowers white (cream). | 1498216 | PI 591666 |
| 3 | PI 591667 | 93-118 | Trifolium incarnatum L. var. molinerii (Balb. ex Hornem.) Ser. | Bulgaria | S9 | | | 1995 | COLLECTED | 11/29/1993 | South of Kalofer in Sredna Gora region. | 42.60000000, 25.03333333 | 630 | | Wild material | | 1498217 | PI 591667 |
| 4 | PI 655001 | 'Kemenesaljai' | Trifolium incarnatum L. | Hungary | S9 | | | 1992 | DEVELOPED | 1962 | | | | | Cultivar | | 1785255 | PI 655001 |
| 5 | PI 655003 | 'Kardinal' | Trifolium incarnatum L. | United States | S9 | | | 1992 | DEVELOPED | 1985 | | | | | Cultivar | | 1785257 | PI 655003 |
| 6 | PI 655004 | 'Tardif a Fleur Blanche' | Trifolium incarnatum L. | France | S9 | | | 1992 | DEVELOPED | 1962 | | | | | Cultivar | | 1785258 | PI 655004 |
| 7 | PI 561942 | 'TRIN3 LINE (CYCLE) 1' | Trifolium incarnatum L. | Georgia, United States | S9 | | | 1992 | DONATED | 07/31/1992 | | | | | Cultivar | Erect cool season annual legume. Growth, vigor, disease and insect resistance good. Bloom dates early compared to Tibbee. Plant ht. 32-62cm. Leaf color 28% dark green, 20% green, 10% green w/red tips, 34% green w/yellow splotches, .08% green w/yellow splotches and red tips. Foliage open. Leaf surface smooth/dull. Fruit head shape cylindrical. Seeds per head 11-96. Seed shape ovate, oval. Seed color yellow. Seed coat smooth. Can be used in conservation tillage systems as cool season cover crop. Potential area of adaptation Southeastern United States. | 1456914 | PI 561942 |
| 8 | PI 561943 | 'AU SUNRISE' | Trifolium incarnatum L. | Alabama, United States | S9 | | | 1992 | DEVELOPED | | | | | | Cultivar | Erect cool season annual legume. Growth, vigor, disease and insect resistance good. Bloom dates early compared to Tibbee. Plant ht. 32-62cm. Leaf color 28% dark green, 20% green, 10% green w/red tips, 34% green w/yellow splotches, .08% green w/yellow splotches and red tips. Foliage open. Leaf surface smooth/dull. Fruit head shape cylindrical. Seeds per head 11-96. Seed shape ovate, oval. Seed color yellow. Seed coat smooth. Can be used in conservation tillage systems as cool season cover crop. Potenial area of adaptation Southeastern United States. | 1456915 | PI 561943 |
| 9 | PI 561944 | TRIN3 LINE (CYCLE) 3 | Trifolium incarnatum L. | Georgia, United States | S9 | | | 1992 | DONATED | 07/31/1992 | | | | | Cultivar | Erect cool season annual legume. Growth, vigor, disease and insect resistance good. Bloom dates early compared to Tibbee. Plant ht. 32-62cm. Leaf color 28% dark green, 20% green, 10% green w/red tips, 34% green w/yellow splotches, .08% green w/yellow splotches and red tips. Foliage open. Leaf surface smooth/dull. Fruit head shape cylindrical. Seeds per head 11-96. Seed shape ovate, oval. Seed color yellow. Seed coat smooth. Can be used in conservation tillage systems as cool season cover crop. Potenial area of adaptation Southeastern United States. | 1456916 | PI 561944 |
| 10 | PI 561569 | MSFWRC | Trifolium incarnatum L. | Mississippi, United States | S9 | | | 1992 | DEVELOPED | | | | | | Breeding material | First germplasm of crimson clover developed with a high level of resistance to Fusarium wilt (Fusarium oxysporum). All 18 families used manifested high levels of resistance to Fusarium wilt in comparison to Tibbee and five other cultivars in repeated tests. | 1456541 | PI 561569 |
| 11 | PI 558502 | 'AU ROBIN' | Trifolium incarnatum L. | Alabama, United States | S9 | | | 1991 | DEVELOPED | | | | | | Cultivar | Developed in 2 cycles of modified mass selection for early flowering from Dixie. Blooms 8-13 days before Dixie. Early spring forage yield higher than Dixie. 100 seed weight is 0.384 +/- 0.011g. No selection pressure was applied for seed yield, insect or disease resistance. | 1453474 | PI 558502 |
| 12 | PI 556990 | 'TIBBEE' | Trifolium incarnatum L. | Mississippi, United States | S9 | | | 1991 | DEVELOPED | | | | | | Cultivar | Maturity early. Seedling vigor and fall and winter growth superior. Forage and seed yields high. Seed large. Able to reseed under the environmental conditions of the Southeastern U.S. | 1451962 | PI 556990 |
| 13 | PI 527691 | 'FLAME' | Trifolium incarnatum L. | Florida, United States | S9 | | | 1989 | DEVELOPED | | | | | | Cultivar | Plants early maturing with good reseeding capabilities. Hard seed and high-temperature dormancy enhances reseeding. Yield good. Flowers segregate white (less than 5%). Red leaf flecking (more than 5%) | 1422627 | PI 527691 |
| 14 | PI 516340 | S-20-1 | Trifolium incarnatum L. | Kentucky, United States | S9 | | | 1986 | DEVELOPED | | | | | | Breeding material | | 1411276 | PI 516340 |
| 15 | PI 613049 | KY C-1 | Trifolium incarnatum L. | Kentucky, United States | S9 | | | 1985 | DONATED | 1985 | | | | | Breeding material | | 1168776 | PI 613049 |
| 16 | PI 499564 | S-20-15 | Trifolium incarnatum L. | China | S9 | | | 1984 | COLLECTED | 08/13/1980 | | | | | Cultivated material | Experimental plots, flowers red. Inflorescence elongated. (Plant Inventory Vol. No. 193) | 1394500 | PI 499564 |
| 17 | PI 442556 | 941 | Trifolium incarnatum L. | Belgium | S9 | | | 1979 | COLLECTED | | Antwerp | | | | Wild material | | 1337492 | PI 442556 |
| 18 | PI 663842 | 'DIXIE' | Trifolium incarnatum L. | Maryland, United States | S9 | | | 1978 | DONATED | 1978 | | | | | Cultivar | | 1031708 | PI 663842 |
| 19 | PI 422487 | | Trifolium incarnatum L. | Germany | S9 | | | 1977 | DONATED | 12/30/1977 | | | | | Uncertain improvement status | | 1318305 | PI 422487 |
| 20 | PI 418900 | 279 | Trifolium incarnatum L. | Italy | S9 | | | 1977 | COLLECTED | | On Route 70, 19 km north of Poppi. | 43.71666667, 11.76666667 | 750 | | Wild material | | 1316304 | PI 418900 |
| 21 | PI 418901 | 295 | Trifolium incarnatum L. | Italy | S9 | | | 1977 | COLLECTED | | On Route 423, 18 km south of Firenzoula. | 43.98000000, 11.33000000 | 800 | | Wild material | | 1316305 | PI 418901 |
| 22 | PI 666070 | FC 40090 | Trifolium incarnatum L. | | S9 | | | 1973 | DONATED | 01/1973 | | | | | | | 1723849 | PI 666070 |
| 23 | PI 369045 | S-20-11 | Trifolium incarnatum L. | Georgia, United States | S9 | | | 1971 | COLLECTED | 1970 | | | | | Uncertain improvement status | | 1586944 | PI 369045 |
| 24 | PI 613048 | KENTUCKY SELECTION | Trifolium incarnatum L. | Maryland, United States | S9 | | | 1964 | DONATED | 1964 | | | | | Cultivar | | 1099544 | PI 613048 |
| 25 | PI 663850 | 'FRONTIER' | Trifolium incarnatum L. | Mississippi, United States | S9 | | | 1963 | DONATED | 1963 | | | | | Cultivar | | 1085099 | PI 663850 |
| 26 | PI 613046 | ALLEN | Trifolium incarnatum L. | Georgia, United States | S9 | | | 1963 | DONATED | 1963 | | | | | Cultivar | | 1093179 | PI 613046 |
| 27 | PI 613047 | HARDY | Trifolium incarnatum L. | Georgia, United States | S9 | | | 1963 | DONATED | 1963 | | | | | Cultivar | | 1093180 | PI 613047 |
| 28 | PI 603034 | KENTUCKY SELECTION | Trifolium incarnatum L. | Kentucky, United States | S9 | | | 1962 | DONATED | 1962 | | | | | Cultivated material | | 1073969 | PI 603034 |
| 29 | PI 613041 | 'CHIEF' | Trifolium incarnatum L. | Maryland, United States | S9 | | | 1961 | DONATED | 1961 | | | | | Cultivar | | 1031713 | PI 613041 |
| 30 | PI 613042 | THORNTON | Trifolium incarnatum L. | Georgia, United States | S9 | | | 1961 | DONATED | 1961 | | | | | Cultivar | | 1032122 | PI 613042 |
| 31 | PI 613043 | TALLADEGA | Trifolium incarnatum L. | Alaska, United States | S9 | | | 1961 | DONATED | 1961 | | | | | Cultivar | | 1039654 | PI 613043 |
| 32 | PI 613044 | AUTAUGA | Trifolium incarnatum L. | Alabama, United States | S9 | | | 1961 | DONATED | 1961 | | | | | Cultivar | | 1039660 | PI 613044 |
| 33 | PI 613045 | AUBURN | Trifolium incarnatum L. | Alabama, United States | S9 | | | 1961 | DONATED | 1961 | | | | | Cultivar | | 1039664 | PI 613045 |
| 34 | PI 251563 | G 8097 | Trifolium incarnatum L. | Former Serbia and Montenegro | S9 | | | 1958 | COLLECTED | | | | | | Cultivar | Commercial | 1194335 | PI 251563 |
| 35 | PI 233812 | G 5398 | Trifolium incarnatum L. | Italy | S9 | | | 1956 | COLLECTED | | | | | | Cultivated material | | 1184758 | PI 233812 |
| 36 | PI 233279 | S-81-1 | Trifolium incarnatum L. | Israel | S9 | | | 1956 | DONATED | 05/09/1956 | | | | | Uncertain improvement status | | 1184681 | PI 233279 |
| 37 | PI 234310 | 'Amclo' | Trifolium vesiculosum Savi | Italy | S9 | | | 1956 | COLLECTED | | Collected near Rome. | 41.88333333, 12.50000000 | | | Cultivar | Winter annual with seedlings resembling those of Dixie crimson clover T. incarnatum L., except they are less vigorous in the fall. In early spring, starts a wide branching growth that may be 20 to 28 inches high, with stems up to 40 inches long and 3/8 inch in diameter. Reaches full bloom in mid-May and seed is ready to combine in mid-June. Reaches full bloom 25 to 30 days after crimson and before summer perennails are in full production. Trifoliate leaflets 1 to 1 1/2 inches long, rounded at base, and pointed at tips. Leaves and stems are hairless. Leaflets frequently have prominent white V-shaped marks. Cylindrical inflorescense initially white and may have as many as 150 florets. Pods multi-ovular. | 1184928 | PI 234310 |