| 0 | PI 643168 | KURA1 | Trifolium ambiguum M. Bieb. | Wisconsin, United States | W6 |  | | 2006 | DEVELOPED | PRE 09/28/2006 | | | | | Breeding material | USDA, ARS ARIS Release. An autohexaploid (2n=6x=48) rhizomotous Trifolium ambiguum with white flowers and a delta shaped leafmark. Genetically broad based selection for increased plant vigor and ability to spread rhizomotously in a Southern Wisconsin environment. | 1709336 | PI 643168 |
| 1 | PI 668004 | Samkura | Trifolium ambiguum M. Bieb. | Georgia | W6 |  | | 2004 | COLLECTED | 08/24/2004 | Collected on v. Tsdo, near the town of Kazbegi in the Khevi province, Georgia (Collector's notes). | 42.69777778, 44.63444444 | 1757 | Population contained approximately 500 individual plants; was occasional and irregular. Size of the site was 100 square meters, 25 degrees slope with N.E. aspect (Collector's notes). This area consists, mainly, of Meso to Cenozoic deposits. | Wild material | Perennial herb. Stem very short. Decumbent and sometimes branched. Stipules ovate. Leaflets rounded almost obovate. Head is ovate, peduncles very short. Corolla white reddish. Fruit 1-23- seeded. Reproductive period from June to August. Grows on stony slopes in subalpine and alpine zones (Data collection form). | 1666828 | PI 668004 |
| 2 | PI 641674 | ARM 318 | Trifolium ambiguum M. Bieb. | Armenia | W6 |  | | 2002 | COLLECTED | 08/15/2001 | On the rim, and inside of an old volcano. | 39.79527778, 45.48027778 | 2557 | Very dry, steep rocky area. Observed Cicer anatolicum growing in basaltic rocky area, but the pods were all dehisced. | Wild material | | 1638637 | PI 641674 |
| 3 | PI 655898 | ARM 097 | Trifolium ambiguum M. Bieb. | Armenia | W6 |  | | 2002 | COLLECTED | 08/10/2001 | Koshabulakh region. | 40.37694444, 44.26361111 | 2025 | Viburnum sp. bush, but also found wild Thymus, Trifolium, Dianthus, Campanula. | Wild material | | 1638458 | PI 655898 |
| 4 | PI 655901 | ARM 106 | Trifolium ambiguum M. Bieb. | Armenia | W6 |  | | 2002 | COLLECTED | 08/10/2001 | Koshabulakh region. | 40.37694444, 44.26361111 | 2025 | Viburnum sp. bush, but also found wild Thymus, Trifolium, Dianthus, Campanula. | Wild material | | 1638598 | PI 655901 |
| 5 | PI 655902 | ARM 116 | Trifolium ambiguum M. Bieb. | Armenia | W6 |  | | 2002 | COLLECTED | 08/10/2001 | Near ruins of Ambert Castle(11-13 century). Church built in 1026 AD. | 40.38888889, 44.22611111 | 2178 | Found Artmesia absynthia, used to make the drink absynth. High above the Ambert River. | Wild material | | 1638463 | PI 655902 |
| 6 | PI 655903 | ARM 119 | Trifolium ambiguum M. Bieb. | Armenia | W6 |  | | 2002 | COLLECTED | 08/10/2001 | River valley with deep ravine near collection site 13 | 40.40500000, 44.22777778 | 2203 | | Wild material | | 1638464 | PI 655903 |
| 7 | PI 641663 | IG 131348 | Trifolium ambiguum M. Bieb. | Kazakhstan | W6 |  | | 2002 | COLLECTED | PRE 02/10/2002 | Dzambull province | 42.68500000, 70.81972222 | 1050 | | Wild material | | 1635183 | PI 641663 |
| 8 | PI 641568 | S-4-79 | Trifolium ambiguum M. Bieb. | Kentucky, United States | W6 | | | 1997 | DONATED | 1997 | | | | | Uncertain improvement status | | 1594415 | PI 641568 |
| 9 | PI 598976 | G93-4 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Town of Khulo. Near Viviavjar village. | | 915 | Steep slopes. | Wild material | | 1543463 | PI 598976 |
| 10 | PI 598977 | G93-5 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Town of Khulo. Near Viviavjar village. | | 915 | Steep slopes. Collected 90 m south of collection site of W6 19874 (G93-4). | Wild material | | 1543464 | PI 598977 |
| 11 | PI 598978 | G93-6 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Town of Tago near cable car. | | 700 | Mountain meadows, mixed clovers and ryegrass. | Wild material | | 1543465 | PI 598978 |
| 12 | PI 598979 | G93-12 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Town of Tago in hay meadow, 50 m west of collection site for W6 19876 (G93-6). | | 700 | | Wild material | | 1543466 | PI 598979 |
| 13 | PI 598980 | G93-25 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Town of Khulo, near Viviavjar village. | | 915 | Steep slopes. Same population as W6 19874 (G93-4). | Wild material | | 1543467 | PI 598980 |
| 14 | PI 598981 | G93-64 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | 16 km west of town of Telavi. | | 1200 | In small hay meadow, red and kura. | Wild material | | 1543468 | PI 598981 |
| 15 | PI 598982 | G93-66 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | 53 km west of town of Telavi. | | 1500 | In a fence row of a hay meadow. | Wild material | | 1543469 | PI 598982 |
| 16 | PI 598983 | G93-69 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | 55 km west of town of Telavi. | | 1500 | Mixed mountain side, red, kura, alfalfa, sanfoin, cicer. | Wild material | | 1543470 | PI 598983 |
| 17 | PI 598984 | G93-71 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | 60 km west of town of Telavi. | | 1500 | Mixed mountain side, 2 km from collection site of W6 19881 (G93-69). | Wild material | | 1543471 | PI 598984 |
| 18 | PI 598985 | G93-74 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | 80 km west of town of Telavi. | | 1300 | Mixed mountainside, 5 km from collection site of W6 19882 (G93-71). | Wild material | | 1543472 | PI 598985 |
| 19 | PI 598986 | G93-80 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Near town of Maleta. | | 1850 | On mountainside, lotus, kura, red, T. canescens. | Wild material | | 1543473 | PI 598986 |
| 20 | PI 598987 | G93-88 | Trifolium ambiguum M. Bieb. | Georgia | W6 |  | | 1996 | COLLECTED | 1993 | Near town of Kasbegi near old botanical station. | | 1800 | 200 m north of collection site of G93-87. | Wild material | | 1543474 | PI 598987 |
| 21 | PI 598988 | G93-93 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Near town of Kasbegi near old botanical station. | | 1800 | 70 m south of collection site of G93-87. | Wild material | | 1543475 | PI 598988 |
| 22 | PI 598989 | G93-97 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Near town of Kasbegi near old botanical station. | | 1800 | 220 m south of collection site of G93-87. | Wild material | Pink to red flowers. | 1543476 | PI 598989 |
| 23 | PI 598990 | G93-98 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | Near town of Gilgate west of Kasbegi. | | 2000 | Mountainside. | Wild material | | 1543477 | PI 598990 |
| 24 | PI 598991 | G93-100 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | 4 km north of town of Kasbegi. | | 1700 | Mountainside, kura and vetch. | Wild material | | 1543478 | PI 598991 |
| 25 | PI 598992 | G93-102 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1996 | COLLECTED | 1993 | 2 km south of town of Kasbegi. | | 2400 | Mountain crossing. | Wild material | | 1543479 | PI 598992 |
| 26 | PI 631899 | G 26479 | Trifolium ambiguum M. Bieb. | | W6 | | | 1996 | | | | | | | Uncertain improvement status | | 1533345 | PI 631899 |
| 27 | PI 604700 | 197 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1996 | COLLECTED | 09/01/1995 | Province Maykop, 15 km southwest of Dakhovskaya. | 44.15777778, 40.03055556 | 1250 | Past logged,now grazed.Slope 0-5%,aspect N. Light 1/4 shade.Soil loam, pH neutral.Moist to seasonally dry, lower slope.Vegetation closed, evergreen broad-leafed herb vegetation.Surrounding veg. open deciduous forest with closed lower layers | Wild material | Dominant tree species Acer sp. Dominant shrub species Laurocerasus officinalis, Rosa sp. Dominant herb/grass species Geranium sanguineum, Clinopodium vulgare, Betonica macrantha, Brachypodium pinnatum, Calamagrostis, Phleum montanum. Population distribution patchy, abundance occasional. Growth habit prostrate. Flower rose-pink. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1530950 | PI 604700 |
| 28 | PI 604703 | 184 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1996 | COLLECTED | 08/30/1995 | Province Maykop, 32 km. southwest of Dakhovskaya. | 44.05833333, 40.02055556 | 1800 | Past logged, now grazed. Slope 6-10%, aspect S. Light open. Soil loam to clay. Moist to seasonally dry, upper to mid slope. Vegetation closed, evergreen broad-leafed herb vegetation. | Wild material | Surrounding vegetation evergreen open forest with closed lower layers. Dominant tree species Birch, Betula sp., Pinus sp., Acer sp., Fagus sp. Dominant shrub species Juniperus sp. Dominant herb/grass species Achemilla sp., Plantago sp., Festuca v., Deschampsia c., Phleum a. Population distribution uniform, abundance frequent. Growth habit prostrate. Flower pink-white. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1530944 | PI 604703 |
| 29 | PI 604720 | 170 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1996 | COLLECTED | 08/30/1995 | Province Maykop, 25 km southwest fo Dakhovskaya. | 44.09166667, 40.01555556 | 1650 | Past logged, now grazed and roadway. Slope 6-10%, aspect S. Light open. Soil loam. Moist, mid slope. Vegetation closed, evergreen broad-leafed herb vegetation. Surrounding veg. open evergreen and deciduous forest with closed lower layers. | Wild material | Dominant tree species Fagus sp., Beech, Carpinus sp., Abies sp., Picea sp. Dominant shrub species Laurocerasus officinalis, Rhododendron. Dominant herb/grass species Trifolium sp., Plantago sp., Deschampsia cespetiosa, Alchemilla sp., Cirsium obvallarum, Rumex conferitus, Cephalaria gigantea. Population abundance frequent. Growth habit prostrate. Flower rose. Extensive regional climate data vailable in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1530929 | PI 604720 |
| 30 | PI 604726 | 272 | Trifolium ambiguum M. Bieb. | Karelia, Russian Federation | W6 | | | 1996 | COLLECTED | 09/07/1995 | Province Teberda, Karachayevo-Cherkesskaya Republic, 10 km northwest of Teberda. | 43.49222222, 41.69416667 | 2700 | Past logged, now grazed. Slope 41-60%, aspect SW. Light open. Soil loam, shallow, granitic rock. Seasonally dry, ridgetop, upper slope, alpine/sub-alpine. Vegetation closed, evergreen short grass. | Wild material | Surrounding vegetation evergreen open forest with closed lower layers. Dominant tree species Pinus sp. on south slope, Picea o. and Abies n. on north slope. Dominant shrub species Juniperus oblonga, some Rosa sp. Dominant herb/grass species Achillea sp., Festuca varia ssp. chaculata, Helitrochicum agarium, Deschampsia sp. Population distribution patchy, abundance frequent. Growth habit prostrate. Flower white-pink. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1531006 | PI 604726 |
| 31 | PI 604730 | 0262b | Trifolium ambiguum M. Bieb. | Karelia, Russian Federation | W6 | | | 1996 | COLLECTED | 09/07/1995 | Province Teberda, Karachayevo-Cherkesskaya Republic, 7 km west of Teberda. | 43.44027778, 41.69722222 | 2100 | Area deferred. Slope 11-40%, aspect S. Light open. Soil loam with gravel, pH upper 5.7, lower 5.1. Moist, mid slope. Vegetation closed, evergreen tall grass and broad-leafed herb vegetation. | Wild material | Surrounding vegetation open deciduous forest with closed lower layers. Dominant tree species Betula sp. Dominant shrub species Rhododendron sp., Juniperus sp. Dominant herb/grass species Trifolium sp., Alchemilla sp., Festuca sp., Deschampsia sp. Population distribution patchy, abundance occasional. Growth habit prostrate. Flower white-pink. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1530993 | PI 604730 |
| 32 | PI 604731 | 260 | Trifolium ambiguum M. Bieb. | Karelia, Russian Federation | W6 | | | 1996 | COLLECTED | 09/07/1995 | Province Teberda, Karachayevo-Cherkesskaya Republic, 8 km west of Teberda. | 43.47444444, 41.68166667 | 1800 | Past logged, now grazed. Slope 41-60%, aspect S. Light 3/4 shade to shaded. Soil loam, granitic derived. Seasonally dry, lower to mid slope. Vegetation closed, evergreen open forest with closed lower layers. Surrounding vegetation same. | Wild material | Dominant tree species Pinus syl., hamata on south slope, Abies n., Picea o. on north slope. Dominant shrub species Juniperus oblonga, Rosa sp., Ribes sp. Dominant herb/grass species Achillea sp., Trifolium sp., Coronilla sp., Lotus c., Deschampsia c., Festuca sp., Agrostis sp., Calamagrostis sp. Population distribution patchy, abundance frequent. Growth habit prostrate. Flower white-pink. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1530990 | PI 604731 |
| 33 | PI 604743 | 251 | Trifolium ambiguum M. Bieb. | Chelyabinsk, Russian Federation | W6 | | | 1996 | COLLECTED | 09/06/1995 | Province Cherkessk-Karachayeysk Republic (Karachayevo-Cherkesskaya Republic), 8 km south of Marvkha. | 43.71888889, 41.59611111 | 1190 | Fields used for hay, no grazing. Slope 6-10%, aspect SW. Light open. Soil colluvial clays, rock clay schists, pH 5.0-5.3. Moist to seasonally dry, ridgetop, upper slope. Vegetation closed, evergreen broad-leafed herb vegetation. | Wild material | Surrounding vegetation open deciduous forest with closed lower layers. Dominant shrub species Rhododendron sp., Rosa sp., Ribes sp. Dominant herb/grass species Trifolium sp., Lotus c., Achillea sp., Dandelion, Deschampsia c., Phleum p., Dactylis g., Agrostis sp., Calamagrostis sp. Population distribution patchy, abundance occasional. Growth habit prostrate. Flower white. Extensive regional climate data avialable in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1530978 | PI 604743 |
| 34 | PI 604749 | D145 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1996 | COLLECTED | 09/04/1995 | Province Maykop/Labinsk, 5 km south of Vladimirskaya. | 44.48027778, 40.81472222 | 360 | Grazed, cut hay. Slope 11-40%, aspect SW. Light open. Soil clay, pH 7.7. Moist, lower slope, landslide, unstable site,springs,boggy zones.Vegetation closed, seasonal tall grass.Surrounding veg. open deciduous forest with closed lower layers | Wild material | Dominant tree species Crataegus sp., Quercus sp., Hornbeam-Oak. Dominant shrub species Sambucus sp., Rosa sp., Prunus sp. Dominant herb/grass species Achillea sp., Daucus c., Medicago f., Bothriochloa i., Erytregia sp. Population distribution patchy, abundance rare. Growth habit prostrate. Flower white. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1531072 | PI 604749 |
| 35 | PI 604752 | 0274b | Trifolium ambiguum M. Bieb. | Karelia, Russian Federation | W6 | | | 1996 | COLLECTED | 09/09/1995 | Province Teberda, Karachayevo-Cherkesskaya Republic, 31 km southeast of Teberda near Klukhor Pass to Georgia. Along road from site 106 to 107. | 43.25222222, 41.84055556 | 2250 | Past grazed, now roadway. Slope 6-10%, aspect SW. Light open. Soil loam, pH acid. Moist to seasonally dry, upper slope, rock outcrop. Vegetation closed, evergreen tall grass and broad-leafed herb vegetation. | Wild material | Surrounding vegetation evergreen open forest with closed lower layers. Dominant shrub species Juniperus sp., Rhododendron sp. Dominant herb/grass species Alchemilla sp., Achillea sp., Gadelia sp., Trifolium sp., Hedysarum h., Daucus c., Thistles, Agrostis sp., Calamagrostis sp., Deschampsia c. Population distribution patchy, abundance frequent. Growth habit prostrate. Flower white-pink. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1531009 | PI 604752 |
| 36 | PI 604756 | D29 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1996 | COLLECTED | 07/19/1995 | Province Maykop, 1 km. south of Benokova. | 44.39694444, 40.56611111 | 701 | Area grazed. Slope 0-5%, aspect W. Light open. Soil loam, clay, pH 5.5. Seasonally dry, mid slope. Surrounding vegetation open deciduous forest with closed lower layers. | Wild material | Dominant tree species Hornbeam-Oak. Doiminant shrub species Carpinus c., Q. petraea. Dominant herb/grass species Asperula sp., Festuca d. Population distribution patchy, abundance occasional. Growth habit prostrate. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1531084 | PI 604756 |
| 37 | PI 604765 | 254 | Trifolium ambiguum M. Bieb. | Karelia, Russian Federation | W6 | | | 1996 | COLLECTED | 09/06/1995 | Province Karachayevo-Cherkesskaya Republic, 1 km northwest of Ordzhanikedevskiy. | 43.85833333, 41.90194444 | 790 | Past and current grazing. Lower slope 6-10%, upper slope 41-60%, aspect SE. Light open. Soil sandy loam, sanstone rock outcrop, pH upper 5.8, lower 6.3-6.4. Seasonally dry, lower slope, rock outcrop. Vegetation closed, seasonal tall grass. | Wild material | Surrounding vegetation open deciduous forest with closed lower layers. Dominant tree species Beech, Oak, Fagus o., Quercus sp. Dominant shrub species Artemisia sp., Rosa sp. Dominant herb/grass species Achillea sp., Medicago sp., Bothriochloa i., Festuca v. Population distribution patchy, abundance occasinal. Growth habit prostrate. Flower white. Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1530981 | PI 604765 |
| 38 | PI 578132 | 'ENDURA' | Trifolium ambiguum M. Bieb. | New Zealand | W6 |  | | 1994 | DEVELOPED | PRE 1994 | | | | | Cultivar | Most similar to Rhizo. However, reaches peak flowering over 7 days earlier than Rhizo. Also, the petiole of Endura is longer (96 vs 82 mm, respectively) | 1473103 | PI 578132 |
| 39 | PI 547897 | MS-2X | Trifolium ambiguum M. Bieb. | United States | W6 |  | | 1991 | DONATED | 02/28/1991 | | | | | Breeding material | | 1442833 | PI 547897 |
| 40 | PI 547898 | MS-4X | Trifolium ambiguum M. Bieb. | Mississippi, United States | W6 |  | | 1991 | DEVELOPED | PRE 02/28/1991 | | | | | Breeding material | | 1442834 | PI 547898 |
| 41 | PI 547899 | MS-6X | Trifolium ambiguum M. Bieb. | Mississippi, United States | W6 |  | | 1991 | DEVELOPED | PRE 02/28/1991 | | | | | Breeding material | | 1442835 | PI 547899 |
| 42 | PI 542965 | ARS-2678 | Trifolium ambiguum M. Bieb. | Utah, United States | W6 | | | 1990 | DEVELOPED | PRE 06/27/1990 | | | | | Breeding material | Winterhardy. Tolerant of drought and high temperatures. Superior forage and seed yields in non-irrigated environments. Spreads extensively by means of rhizomes. Hexaploid with 48 chromosomes. | 1437901 | PI 542965 |
| 43 | PI 540894 | KY-1 | Trifolium ambiguum M. Bieb. | Kentucky, United States | W6 | | | 1990 | DEVELOPED | PRE 05/25/1990 | | | | | Breeding material | Produced more flower heads in first year than Rhizo (250 vs. 0.0 heads per square meter). Vigor is probably less than Rhizo due to close line breeding during selection. Chromosome number is 6x = 48 | 1435830 | PI 540894 |
| 44 | PI 516224 | FC 33109 | Trifolium ambiguum M. Bieb. | Unknown | W6 | | | 1986 | DONATED | 08/14/1986 | | | | | Cultivated material | Walker Tract, harvested 1955. (PI 197) | 1411160 | PI 516224 |
| 45 | PI 502614 | AR 13 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1985 | COLLECTED | 08/19/1982 | | | | | Wild material | Originally from Steppe. Nodules small, scarce. Nodule sample. (Collection notes, M.D. Rumbaugh) | 1397550 | PI 502614 |
| 46 | PI 427120 | 'FOREST' | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1978 | DONATED | 06/26/1978 | | | | | Cultivar | | 1322187 | PI 427120 |
| 47 | PI 427121 | 'PRAIRIE' | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1978 | DONATED | 06/26/1978 | | | | | Cultivar | | 1322188 | PI 427121 |
| 48 | PI 427122 | | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | DONATED | 06/26/1978 | | | | | Breeding material | | 1322189 | PI 427122 |
| 49 | PI 427123 | | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1978 | DONATED | 06/26/1978 | | | | | Breeding material | | 1322190 | PI 427123 |
| 50 | PI 440671 | S-4-36 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | In Caucasus Mountains on Stavropol Botanical Garden grounds, Stavropol, Russia. | 45.03333333, 41.96666667 | | | Wild material | Sod-former. (Plant Inventory Vol. No. 188) | 1335607 | PI 440671 |
| 51 | PI 440672 | S-4-37 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Cherkessiya (Cherkess), Karachay-Cherkessia, Russia. | 44.21666667, 42.05000000 | 500 | | Wild material | Sod-former. (Plant Inventory Vol. No. 188) | 1335608 | PI 440672 |
| 52 | PI 440673 | S-4-38 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | River Bolsho, Caucasus Mountains, Stavropol, Russia. | 45.03333333, 41.96666667 | | | Wild material | High-producing strain. (Plant Inventory Vol. No. 188) | 1335609 | PI 440673 |
| 53 | PI 440675 | S-4-40 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Nalchak (Nalchik), Caucasus Mountains, Kabardino-Balkaria, Russia. | 43.51666667, 43.63333333 | 500 | | Wild material | Sod-former, prolific. (Plant Inventory Vol. No. 188) | 1335611 | PI 440675 |
| 54 | PI 440676 | S-4-41 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | From Stanitza Pragrada locale, near Uryba River, Stavropol, Russia. | 45.03333333, 41.96666667 | 700 | | Wild material | Sod-former, productive. (Plant Inventory Vol. No. 188) | 1335612 | PI 440676 |
| 55 | PI 440677 | S-4-42 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Daut-Chalber, Caucasus Mountains, Stavropol, Russia. | 45.03333333, 41.96666667 | 1900 | | Wild material | Sod-former, production fair, one of better, high-elevation types. (Plant Inventory Vol. No. 188) No original seed. | 1335613 | PI 440677 |
| 56 | PI 440678 | S-4-43 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | From Observatory Mountain on grounds of Stavropol Botanical Garden, Stavropol, Russia. | 45.03333333, 41.96666667 | 2000 | | Wild material | Sod-former, good producer. (Plant Inventory Vol. No. 188) | 1335614 | PI 440678 |
| 57 | PI 440679 | S-4-44 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Near river in Caucasus Mountains, on grounds of Stavropol Botanical Garden, Stavropol, Russia. | 45.03333333, 41.96666667 | 1330 | | Wild material | Sod-former, good growth. (Plant Inventory Vol. No. 188) | 1335615 | PI 440679 |
| 58 | PI 440680 | S-4-45 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Bakshns, near Mt. Elbruz, Kabardino-Balkaria, Russia. | 43.91666667, 44.10000000 | 1300 | | Wild material | Sod-former, good seed producer. (Plant Inventory Vol. No. 188) No original seed. | 1335616 | PI 440680 |
| 59 | PI 440681 | S-4-46 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | | | | | Wild material | Sod-former. (Plant Inventory Vol. No. 188) | 1335617 | PI 440681 |
| 60 | PI 440682 | S-4-47 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Marykhi, Caucasus Mountains, Stavropol, Russia. | 45.03333333, 41.96666667 | 1600 | | Wild material | Sod-former. (Plant Inventory Vol. No. 188) | 1335618 | PI 440682 |
| 61 | PI 440683 | S-4-48 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Mt. Patsykhova, near observatory, Stavropol, Russia. | 45.03333333, 41.96666667 | 2000 | | Wild material | Sod-former, low producer, appears to be diploid. (Plant Inventory Vol. No. 188) | 1335619 | PI 440683 |
| 62 | PI 440684 | S-4-49 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | On Mt. Elbruz, Kabardino-Balkaria, Russia. | 43.91666667, 44.10000000 | 1800 | | Wild material | Sod-former, good producer, appears to be tetraploid. (Plant Inventory Vol. No. 188) | 1335620 | PI 440684 |
| 63 | PI 440685 | S-4-50 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Teberda, near Dehamahad River, Karachay-Cherkessia, Russia. | 43.46666667, 41.76666667 | 1330 | | Wild material | Sod-former, fair producer. (Plant Inventory Vol. No. 188) | 1335621 | PI 440685 |
| 64 | PI 440686 | S-4-51 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Aksant, Caucasus Mountains, Karachay-Cherkessia, Russia. | 44.21666667, 42.05000000 | 1200 | | Wild material | Sod-former. (Plant Inventory Vol. No. 188) | 1335622 | PI 440686 |
| 65 | PI 440687 | S-4-52 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Near river near Terberda, Caucasus Mountains, Karachay-Cherkessia, Russia. | 43.46666667, 41.76666667 | 1500 | | Wild material | Sod-former. (Plant Inventory Vol. No. 188) | 1335623 | PI 440687 |
| 66 | PI 440688 | S-4-53 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Caucasus Mountains, on grounds of Stavropol Botanical Garden, Stavropol, Russia. | 45.02000000, 41.58000000 | 220 | | Wild material | Sod-former, alpine type. (Plant Inventory Vol. No. 188) | 1335624 | PI 440688 |
| 67 | PI 440689 | S-4-54 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Terberda, Caucasus Mountains, Karachay-Cherkessia, Russia. | 43.46666667, 41.76666667 | 2500 | | Wild material | Sod-former. (Plant Inventory Vol. No. 188) | 1335625 | PI 440689 |
| 68 | PI 440690 | S-4-55 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Arkhyz (Arkhis) River, Karachay-Cherkessia, Russia. | 43.32000000, 41.11000000 | 1700 | | Wild material | Sod-former, probably diploid. (Plant Inventory Vol. No. 188) | 1335626 | PI 440690 |
| 69 | PI 440691 | S-4-56 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 |  | | 1978 | COLLECTED | 07/21/1977 | Arkhyz (Arkhis) Village, Karachay-Cherkessia, Russia. | 43.32000000, 41.11000000 | 1500 | | Wild material | Sod-former, fair producer. (Plant Inventory Vol. No. 188) | 1335627 | PI 440691 |
| 70 | PI 440692 | S-4-57 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Teberda, Karachay-Cherkessia, Russia. | 43.46666667, 41.76666667 | 2500 | | Wild material | Sod-former, probably diploid. (Plant Inventory Vol. No. 188) | 1335628 | PI 440692 |
| 71 | PI 440693 | S-4-58 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | In Caucasus Mountains on grounds of Stavropol Botanical Garden, Stavropol, Russia. | 45.03333333, 41.96666667 | 2000 | | Wild material | Sod-former, alpine type, fair producer, probably diploid. Poor seed producer. (Plant Inventory Vol. No. 188) | 1335629 | PI 440693 |
| 72 | PI 440694 | S-4-59 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | Cherkess (Cherkessiya), Karachay-Cherkessia, Russia. | 43.13000000, 42.03000000 | 2050 | | Wild material | Sod-former, alpine type. (Plant Inventory Vol. No. 188) | 1335630 | PI 440694 |
| 73 | PI 440695 | S-4-60 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 07/21/1977 | On road to Teberda, Karachay-Cherkessia, Russia. | 43.28000000, 41.46000000 | 1100 | | Wild material | Sod-former, high producer, probably tetraploid. (Plant Inventory Vol. No. 188) | 1335631 | PI 440695 |
| 74 | PI 440696 | S-4-61 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/25/1977 | Mt. Strizhament, Stavropol, Russia. | 45.03333333, 41.96666667 | 800 | Meadow on mountain plateau. (PI 188) | Wild material | Plants to 20cm tall. Spreads by vigorous rhizomes. (Plant Inventory Vol. No. 188) | 1335632 | PI 440696 |
| 75 | PI 440697 | S-4-62 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/26/1977 | Division 5, Ravine 4, on grounds of Sheep and Goat Institute farm, 52km SE of Stavropol, Stavropol, Russia. | 45.13000000, 42.51000000 | 510 | Moderately dry steppe, 50cm ppt. (PI 188) | Wild material | Plants to 15cm tall. Shade intolerant. (Plant Inventory Vol. No. 188) | 1335633 | PI 440697 |
| 76 | PI 440698 | S-4-17 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 07/26/1977 | Division 5, Ravine 4, on grounds of Sheep and Goat Institute farm, 52km SE of Stavropol, Stavropol, Russia. | 45.13000000, 42.51000000 | 500 | Moderately dry steppe, 50cm ppt. (PI 188) | Wild material | Rhizomatous. (Plant Inventory Vol. No. 188) | 1335634 | PI 440698 |
| 77 | PI 440699 | S-4-18 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 08/02/1977 | Gofitskoye Woods, 40km southeast of Svetlograd, Stavropol, Russia. | 45.10000000, 43.07000000 | 300 | | Wild material | Original seed has been exhausted. | 1335635 | PI 440699 |
| 78 | PI 440700 | S-4-19 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Essentuki, Stavropol, Russia. | 45.03333333, 41.96666667 | 700 | | Wild material | | 1335636 | PI 440700 |
| 79 | PI 440701 | S-4-20 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Teberda, Mt. Malaja Hatipaza, Karachay-Cherkessia, Russia. | 42.46666667, 4.76666667 | 2350 | | Wild material | Original seed has been exhausted. | 1335637 | PI 440701 |
| 80 | PI 440702 | S-4-21 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Maruka, Karachay-Cherkessia, Russia. | 44.13000000, 42.03000000 | 1700 | | Wild material | | 1335638 | PI 440702 |
| 81 | PI 440703 | S-4-22 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 |  | | 1978 | COLLECTED | 08/05/1977 | Baxan, Kabardino-Balkaria, Russia. | 43.91666667, 44.10000000 | 1800 | | Wild material | Original seed has been exhausted. | 1335639 | PI 440703 |
| 82 | PI 440704 | S-4-23 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Teberda, Mt. Malaja, Matipara, Karachay-Cherkessia, Russia. | 43.46666667, 41.76666667 | 2050 | | Wild material | | 1335640 | PI 440704 |
| 83 | PI 440706 | S-4-25 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Kazmalinovskoe, Stavropol, Russia. | 45.03333333, 41.96666667 | | | Wild material | | 1335642 | PI 440706 |
| 84 | PI 440709 | S-4-28 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Mineralny Vody, Caucasus Mountains, Stavropol, Russia. | 44.23333333, 43.16666667 | | | Wild material | | 1335645 | PI 440709 |
| 85 | PI 440712 | S-4-31 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | DONATED | 08/05/1977 | | | | | Wild material | Original seed has been exhausted. | 1335648 | PI 440712 |
| 86 | PI 440714 | S-4-33 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Cherkessk, Karachay-Cherkessia, Russia. | 44.23333333, 42.08333333 | 780 | | Wild material | | 1335650 | PI 440714 |
| 87 | PI 440715 | S-4-34 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Isobilnoe, Stavropol, Russia. | 45.03333333, 41.96666667 | 200 | | Wild material | | 1335651 | PI 440715 |
| 88 | PI 440716 | S-4-35 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1978 | COLLECTED | 08/05/1977 | Teberda, Karachay-Cherkessia, Russia. | 43.46666667, 41.76666667 | 1300 | | Wild material | Original seed has been exhausted. | 1335652 | PI 440716 |
| 89 | PI 405934 | 'Summit' | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1975 | DONATED | 12/16/1975 | | | | | Cultivar | | 1305851 | PI 405934 |
| 90 | PI 405935 | 'Treeline' | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1975 | DONATED | 12/16/1975 | | | | | Uncertain improvement status | | 1305852 | PI 405935 |
| 91 | PI 405119 | K 864 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1975 | DONATED | 10/15/1975 | | | | | Uncertain improvement status | | 1305168 | PI 405119 |
| 92 | PI 405120 | K 884 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 |  | | 1975 | DONATED | 10/15/1975 | | | | | Uncertain improvement status | No Original Seed. | 1305169 | PI 405120 |
| 93 | PI 405121 | K 896 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 |  | | 1975 | DONATED | 10/15/1975 | | | | | Wild material | No original seed remains. | 1305170 | PI 405121 |
| 94 | PI 405122 | K 37042 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1975 | DONATED | 10/15/1975 | | | | | Wild material | | 1305171 | PI 405122 |
| 95 | PI 405123 | K 37048 | Trifolium ambiguum M. Bieb. | Ukraine | W6 |  | | 1975 | DONATED | 10/15/1975 | | | | | Uncertain improvement status | | 1305172 | PI 405123 |
| 96 | PI 405124 | K 37048 | Trifolium ambiguum M. Bieb. | Ukraine | W6 | | | 1975 | DONATED | 10/15/1975 | | | | | Uncertain improvement status | No Original Seed. | 1305173 | PI 405124 |
| 97 | PI 655628 | 263 | Trifolium ambiguum M. Bieb. | England, United Kingdom | W6 | | | 1974 | DONATED | 04/01/1974 | | | | | Uncertain improvement status | | 1088662 | PI 655628 |
| 98 | PI 655607 | 'KURA' | Trifolium ambiguum M. Bieb. | United States | W6 | | | 1969 | DONATED | 03/03/1969 | | | | | Cultivar | | 1082464 | PI 655607 |
| 99 | PI 325484 | S-16 | Trifolium ambiguum M. Bieb. | Ukraine | W6 | | | 1968 | COLLECTED | | Collected from the Crimea, above Yalta, Krym, Ukraine. | 44.50000000, 34.16666667 | 1080 | Plateau area. (PI 176) | Uncertain improvement status | | 1241474 | PI 325484 |
| 100 | PI 325486 | S-201 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1968 | COLLECTED | 08/03/1967 | Collected above Terbada village on top of Mt. Hatipara, Stavropol, Russian Federation. | 43.46666667, 41.76666667 | 1830 | South slope in an open meadow. On top of a mountain. (PI 176) | Wild material | No original seed remains. | 1241475 | PI 325486 |
| 101 | PI 325487 | S-216 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 | | | 1968 | COLLECTED | 08/03/1967 | Collected near northern orphange on Klukhov river, Stavropol, Russian Federation. | 45.03333333, 41.96666667 | 1530 | | Wild material | Seed from many plants [collected]. (Plant Inventory Vol. No. 176) | 1241476 | PI 325487 |
| 102 | PI 325488 | S-235 | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1968 | COLLECTED | 08/03/1967 | Along the Goralkol River. | | 1440 | Along roadside. (PI 176) | Wild material | | 1241477 | PI 325488 |
| 103 | PI 325489 | 'RHIZO' | Trifolium ambiguum M. Bieb. | Russian Federation | W6 | | | 1968 | COLLECTED | | | | | | Cultivar | Perennial cool-season rhizomatous legume. Petiole and leaflets are glabrous. Flower is white becoming reddish with age. Stands once established remain for a long time. Good in grass mixtures because of underground stems or rhizomes. Strong pest resistance, winter hardiness and good persistence. | 1241478 | PI 325489 |
| 104 | PI 325490 | S-4-15 | Trifolium ambiguum M. Bieb. | Stavropol, Russian Federation | W6 |  | | 1968 | COLLECTED | | From village of Michailovka near Stavropol, Stavropol, Russian Federation. | 45.03333333, 41.96666667 | | | Uncertain improvement status | | 1241479 | PI 325490 |
| 105 | PI 314484 | Col. No. 152 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1966 | COLLECTED | 05/09/1966 | Tbilisi Botanical Institute | | | | Cultivated material | Perennial to 6 inches high, robust; flowers roseate | 1515965 | PI 314484 |
| 106 | PI 314552 | QJ0765 | Trifolium ambiguum M. Bieb. | Krasnodar, Russian Federation | W6 | | | 1966 | COLLECTED | | Hills 15 km. east of Armovir. | | | | Wild material | | 1515966 | PI 314552 |
| 107 | PI 314553 | QJ0765 | Trifolium ambiguum M. Bieb. | Krasnodar, Russian Federation | W6 | | | 1966 | COLLECTED | | 16 km west of Otradnaya. | | | | Wild material | | 1515967 | PI 314553 |
| 108 | PI 297980 | C.P.I. 27598 | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1964 | DONATED | 05/15/1964 | | | | | Uncertain improvement status | | 1515964 | PI 297980 |
| 109 | PI 297979 | CPI 24118 | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1964 | DONATED | 05/15/1964 | | | | | Uncertain improvement status | | 1225149 | PI 297979 |
| 110 | PI 291770 | | Trifolium ambiguum M. Bieb. | United States | W6 | | | 1963 | DONATED | 06/18/1963 | | | | | Uncertain improvement status | | 1221172 | PI 291770 |
| 111 | PI 277865 | S-4-12A | Trifolium ambiguum M. Bieb. | Iran | W6 |  | | 1962 | COLLECTED | | | | | | Breeding material | | 1207321 | PI 277865 |
| 112 | PI 277535 | | Trifolium ambiguum M. Bieb. | Former, Soviet Union | W6 | | | 1961 | DONATED | 12/08/1961 | | | | | Uncertain improvement status | This seed shipment was accompanied by soil sample in an effort to obtain a better inoculation for this species. (PlantInventory Vol. No. 169) | 1207238 | PI 277535 |
| 113 | PI 258787 | S-4-9 | Trifolium ambiguum M. Bieb. | Leningradskaja oblast', Russian Federation | W6 | | | 1959 | DONATED | 06/24/1959 | | | | | Uncertain improvement status | | 1197326 | PI 258787 |
| 114 | PI 258788 | S-4-10 | Trifolium ambiguum M. Bieb. | Leningradskaja oblast', Russian Federation | W6 | | | 1959 | DONATED | 06/24/1959 | | | | | Uncertain improvement status | Similar to PI 258787. (Original NPGS Site Index Card) | 1197327 | PI 258788 |
| 115 | PI 231890 | G 13913 | Trifolium ambiguum M. Bieb. | Australia | W6 |  | | 1956 | DONATED | 03/26/1956 | | | | | Uncertain improvement status | | 1184089 | PI 231890 |
| 116 | PI 231891 | G 13914 | Trifolium ambiguum M. Bieb. | Australia | W6 |  | | 1956 | DONATED | 03/26/1956 | | | | | Uncertain improvement status | | 1184090 | PI 231891 |
| 117 | PI 229624 | S-4-12 | Trifolium ambiguum M. Bieb. | Iran | W6 | | | 1955 | COLLECTED | 08/10/1955 | Northeast side of Kuhe Savalan, Azerbaijan, Iran. | | 3048 | Mountain. | Wild material | Plant erect or spreading; flowers pink; abundant on drier meadow slope. (Collector Notes). PI 277865 was separated from this accession during a subsequent regeneration. | 1182977 | PI 229624 |
| 118 | PI 228370 | No. 15441 | Trifolium ambiguum M. Bieb. | Iran | W6 | | | 1955 | COLLECTED | 07/01/1955 | Northeast of Kuhe Sahand, East Azerbaijan, Iran. | | 3048 | Mountain. | Uncertain improvement status | Low spreading annual (Plant Inventory Vol. No. 163). | 1182453 | PI 228370 |
| 119 | PI 225827 | No. 2264 | Trifolium ambiguum M. Bieb. | Brazil | W6 | | | 1955 | DONATED | 05/18/1955 | | | | | Uncertain improvement status | 2n=16 (PI 163) | 1181455 | PI 225827 |
| 120 | PI 225828 | No. 2771 | Trifolium ambiguum M. Bieb. | Georgia | W6 | | | 1955 | DONATED | 01/01/1932 | | | | | Uncertain improvement status | 2n=16 (PI 163) | 1181456 | PI 225828 |
| 121 | PI 225829 | New Zealand Strain | Trifolium ambiguum M. Bieb. | Brazil | W6 | | | 1955 | DONATED | 05/18/1955 | | | | | Landrace | 2n=48 (PI 163) | 1181457 | PI 225829 |
| 122 | PI 206482 | S-4-7 | Trifolium ambiguum M. Bieb. | Turkey | W6 | | | 1953 | COLLECTED | 09/14/1952 | Dumlu Mountain, Northeast of Erzurum, Erzurum, Turkey. | 39.91666667, 41.28333333 | | Mountain. | Uncertain improvement status | | 1173008 | PI 206482 |
| 123 | PI 206483 | S-4-13 | Trifolium ambiguum M. Bieb. | Turkey | W6 |  | | 1953 | COLLECTED | 09/20/1952 | Sarkamis, Kars, Turkey. | 38.05000000, 40.33333333 | | | Uncertain improvement status | | 1173009 | PI 206483 |
| 124 | PI 631890 | S-4-83 | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102363 | PI 631890 |
| 125 | PI 631891 | S-4-89 | Trifolium ambiguum M. Bieb. | New Zealand | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102376 | PI 631891 |
| 126 | PI 641368 | S-4-72 | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102350 | PI 641368 |
| 127 | PI 641369 | S-4-78 | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102358 | PI 641369 |
| 128 | PI 641370 | S-4-85 | Trifolium ambiguum M. Bieb. | Australia | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102367 | PI 641370 |
| 129 | PI 641371 | S-4-88 | Trifolium ambiguum M. Bieb. | Kentucky, United States | W6 | | | 1939 | DONATED | 1997 | | | | | Uncertain improvement status | | 1102375 | PI 641371 |
| 130 | PI 641372 | S-4-91 | Trifolium ambiguum M. Bieb. | New Zealand | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102382 | PI 641372 |
| 131 | PI 641373 | S-4-92 | Trifolium ambiguum M. Bieb. | New Zealand | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102383 | PI 641373 |
| 132 | PI 641374 | AZ 2736 | Trifolium ambiguum M. Bieb. | New Zealand | W6 | | | 1939 | COLLECTED | | | | | | Uncertain improvement status | | 1102387 | PI 641374 |
| 133 | PI 108699 | No. 1143 | Trifolium ambiguum M. Bieb. | Ukraine | W6 | | | 1935 | COLLECTED | 11/10/1934 | | | | | Uncertain improvement status | | 1128895 | PI 108699 |
| 134 | PI 631894 | G 23836 | Trifolium ambiguum M. Bieb. | | W6 | | | 1900 | | | | | | | Uncertain improvement status | | 1508765 | PI 631894 |
| 135 | PI 631895 | G 26478 | Trifolium ambiguum M. Bieb. | | W6 | | | 1900 | | | | | | | Uncertain improvement status | | 1508766 | PI 631895 |
| 136 | W6 37098 | ARM09-96 | Trifolium ambiguum M. Bieb. | Armenia | W6 | | | 2009 | COLLECTED | 07/11/2009 | Kotajk region, between Kaputan and Hadis villages | 40.34583333, 44.70277778 | 1860 | Landowner: Government; Protection: Not protected; Soil Texture: Sandy clay; Soil Moisture: Slightly moist; Exposure: Sun; Slope: 11-40 %;Aspect: SW; Landuse: Extensive grazing; Land Element: Midslope | Wild material | | 1828241 | W6 37098 |
| 137 | W6 37099 | ARM09-105 | Trifolium ambiguum M. Bieb. | Armenia | W6 |  | | 2009 | COLLECTED | 07/15/2009 | Lori region, near villige Mrgahovit | 40.74805556, 44.65777778 | 1830 | Landowner: Government; Protection: Not protected; Soil Texture: Sandy clay; Soil Moisture: Moist; Exposure: Sun; Slope: 6-10%;Aspect: NE; Landuse: Extensive grazing; Land Element: Midslope | Wild material | | 1828242 | W6 37099 |
| 138 | W6 37100 | ARM09-110 | Trifolium ambiguum M. Bieb. | Armenia | W6 | | | 2009 | COLLECTED | 07/16/2009 | Lori region, near Stepenavan town | 40.98861111, 44.40416667 | 1530 | Landowner: Government; Protection: Not protected; Soil Texture: Clay loam; Soil Moisture: Slightly moist; Exposure: Semi shade; Slope: 6-10%;Aspect: NE; Landuse: Natural forest; Land Element: Plain level | Wild material | | 1828243 | W6 37100 |
| 139 | W6 37101 | ARM09-116 | Trifolium ambiguum M. Bieb. | Armenia | W6 |  | | 2009 | COLLECTED | 07/16/2009 | Lori region, between Pushkino village and Stepanavan town | 40.97083333, 44.39888889 | 1540 | Landowner: Government; Protection: Not protected; Soil Texture: Sandy clay; Soil Moisture: Moist; Exposure: Sun; Slope: 0-5%;Aspect: N; Landuse: Exploitation of natural vegetation; Land Element: Plain level | Wild material | | 1828244 | W6 37101 |
| 140 | W6 37102 | ARM09-122 | Trifolium ambiguum M. Bieb. | Armenia | W6 | | | 2009 | COLLECTED | 07/18/2009 | Lori region, near PrivolFnoe village | 41.17694444, 44.44472222 | 1640 | Landowner: Government; Protection: Not protected; Soil Texture: Sandy clay; Soil Moisture: Moist; Exposure: Sun; Slope: 6-10%;Aspect: W; Landuse: Exploitation of natural vegetation; Land Element: Plain level | Wild material | | 1828245 | W6 37102 |
| 141 | NSL 448196 | 'Australian Diploid' | Trifolium ambiguum M. Bieb. | | W6 |  | | 1973 | DONATED | 01/01/1973 | | | | | Cultivated material | | 1720511 | NSL 448196 |
| 142 | PI 631670 | D24 | Medicago sativa L. subsp. falcata (L.) Arcang. | Russian Federation | W6 | | | 1996 | COLLECTED | 07/18/1995 | Nearest s. is Shuntuk. | 44.42416667, 40.14250000 | 540 | Area grazed. Eastern NE slope, incline 10-25'. Open with single shrubs. Soil soddy calcerous, pH 6.0-7.7. Moist to seasonally dry. Vegetation closed. Grasses and legumes Lotus c., Trifolium pratense, T. ambiguum, T. bonnanii, Onobrychis sp. | Wild material | Extensive regional climate data available in spreadsheet format or image maps in raster format suitable for GIS analysis. Contact Dr. Stephanie L. Greene (sgreene@ars-grin.gov). | 1531083 | PI 631670 |
| 143 | WLP 1522 | ME2015-001 | Philadelphus caucasicus Koehne | Samtskhe-Javakheti, Georgia | NA | | | 2015 | COLLECTED | 08/15/2015 | Borjomi (municipality/district): near the village of Mzetamze. | 41.79975000, 43.49566000 | 1111 | Roadside scrub and grassland. Slope: 0 to 2 percent. Aspect: South. | Wild material | | 1940413 | WLP 1522 |