| 0 | PI 619514 | H9146 | Kengyilia stenachyra (Keng) J. L. Yang et al. | Gansu Sheng, China | W6 | | | 1999 | COLLECTED | 08/17/1990 | water reservoir at Xiahe | 35.30000000, 102.50000000 | 3000 | | Wild material | | 1588041 | PI 619514 |
| 1 | PI 598645 | VIR U-0134851 | Agropyron cristatum (L.) Gaertn. | Kazakhstan | W6 |  | | 1993 | COLLECTED | | Clay soil along dry creek bed, 105km west-southwest of Chelkar | 47.48333333, 58.25000000 | 200 | | Wild material | Annual precipitation 200mm. Vegetation - Bromus inermis, Leymus angustus, Elytrigia repens, Agropyron cristatum and Psathyrostachys juncea in better moisture areas, Artemisia terrae-albae, Kochia prostrata, and tall shrubs | 1063080 | PI 598645 |
| 2 | PI 598647 | VIR U-0134798 | Agropyron desertorum (Fisch. ex Link) Schult. | Kazakhstan | W6 |  | | 1993 | COLLECTED | | 90km west-southwest of Chelkar | 47.53333333, 58.28333333 | 220 | | Wild material | Annual precipitation 180mm. Vegetation - Poa bulbosa, Stipa spp., Agropyron fragile and Agropyron desertorum | 1063087 | PI 598647 |
| 3 | PI 565001 | DJ-4145 | Kengyilia alatavica (Drobow) J. L. Yang et al. | Kyrgyzstan | W6 | | | 1992 | COLLECTED | 08/21/1988 | South of Lake Issyk Kul, Siberia | | | | Wild material | Agafonov collection. Very narrow spikes, single spikelets. | 1459972 | PI 565001 |
| 4 | PI 547361 | D-3700 | Kengyilia batalinii (Krasn.) J. L. Yang et al. | Kyrgyzstan | W6 | | | 1991 | COLLECTED | 1989 | Central Tian Shan Mountains | | | | Wild material | Seed increased USDA-ARS, Logan, Utah Nursery MA-16-16--25 1990 | 1442297 | PI 547361 |
| 5 | PI 531572 | | Elymus caucasicus (K. Koch) Tzvelev | Estonia | W6 | | | 1988 | DEVELOPED | PRE 10/07/1988 | | | | | Wild material | Seed presented in 1974 by Dr. Vello Jaaska. Increased in 1987. 2n=28 | 1426508 | PI 531572 |
| 6 | PI 531576 | | Elymus ciliaris (Trin.) Tzvelev | Estonia | W6 | | | 1988 | DEVELOPED | PRE 10/07/1988 | | | | | Wild material | Seed presented by 1971 by Dr. Vello Jaaska. Increased in 1987. 2n=28 | 1426512 | PI 531576 |
| 7 | PI 531686 | NWC-17-8-81-15 | Kengyilia thoroldiana (Oliv.) J. L. Yang et al. | China | W6 | | | 1988 | DEVELOPED | PRE 10/07/1988 | | | | | Wild material | Seed presented in 1981 by Dr. Yen Chi. Increased in 1987. 2n=42 | 1426622 | PI 531686 |
| 8 | PI 531756 | | Thinopyrum sp. | Russian Federation | W6 | | | 1988 | DEVELOPED | PRE 10/07/1988 | | | | | Cultivated material | Seed presented in 1977. Increased in 1987. 2n=28 Received as a hybrid between Agropyron pectiniforme and E. maeotica | 1426692 | PI 531756 |
| 9 | PI 499392 | D-2553 | Agropyron mongolicum Keng | Nei Mongol Zizhiqu, China | W6 |  | | 1984 | DEVELOPED | PRE 07/1984 | | | | | Cultivated material | Experimental plots. Spikes narrow. Chromosome no.(2n)= 14. Received as A. fragile subsp. mongolicum. | 1394328 | PI 499392 |
| 10 | PI 499493 | D-2680 | Pseudoroegneria strigosa (M. Bieb.) Á. Löve | China | W6 | | | 1984 | COLLECTED | 08/14/1980 | South-facing hillside, Tien Lake, about 100km E of Urumchi | | 1850 | | Wild material | Plants cross pollinated. Received as Pseudoroegneria aegilopoides. Chromosome no.(2n)= 14. | 1394429 | PI 499493 |
| 11 | PI 317421 | 488 | Bromus tectorum L. | Afghanistan | W6 | | | 1966 | COLLECTED | | Hot springs, 10 miles north of Obeh. Dry side of deep valley | | 1660 | | Wild material | Fairly common 10 | 1236285 | PI 317421 |
| 12 | PI 232131 | | Pseudoroegneria spicata (Pursh) Á. Löve | Nevada, United States | W6 | | | 1955 | COLLECTED | 01/01/1955 | Dry, rocky granitic, western slope, Humboldt Range, below Angel Lake, 12.5 miles south of Wells, Elko Co., Nevada. | | | | Wild material | | 1184165 | PI 232131 |