| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| WEM,1 | WREN,MEX[114][144]; | TR.AE | S | MEX |
| WH | WILHELMINA[145][1281]; | TR.AE | W | NLD |
| WI | WICHITA[1281]; | TR.AE | W;I | USA:KANSAS |
| WID | WIDGEON,MEX[115][3692]; | TR.DR | S | MEX |
| WIG | WARIGO[1281]; | TR.AE | S | AUS |
| WIM | WARIMEK[219][1281]; | TR.AE | NZL;AUS[1281] | |
| WIN,2 | WINGED[115]; | TR.DR | S | MEX |
| WIQ | WARIQUAM[219][1281]; | TR.AE | AUS | |
| WLK | WIALKI[740][1281]; | TR.AE | AUS | |
| WLS | WELLS[1281]; | TR.DR | S | USA:ND |
| WOP | WOODPECKER[114][144][1281]; | TR.AE | MEX | |
| WRB,1 | WARBLER[114][144][1281]; | TR.AE | S | MEX |
| WRB,2 | WHEAT-RYE-HYBRID | TR.AE | ||
| WRM | WEIQUE-RED-MACE[1281]; | TR.AE | USA | |
| WRN | WARREN,GBR[740]; | TR.AE | GBR | |
| WRR | WARRIOR,USA[1281] | TR.AE | W | USA |
| WRT | WHEAT-RYE-TRANSLOCATION[144][39]; | TR.AE | USA | |
| WS1651 | WORLD-SEEDS-1651[114][144][219][1281]; | TR.AE | S | USA |
| WS1812 | WORLD-SEEDS-1812[1281]; | TR.AE | S | USA |
| WS1877 | WORLD-SEEDS-1877[1281]; | TR.AE | S | USA |