| Abbrev | Name | Spec | Type | Locality |
|---|---|---|---|---|
| YOMH | YOMOUNHONG[1281]; | TR.AE | CHN | |
| YQ48 | YAQUI-48[3733] | TR.AE | S | MEX |
| YQ50 | YAQUI-50[3733] | TR.AE | S | MEX |
| Yq54 | YAQUI-54[1112] | |||
| YQ54 | YAQUI-54[3733] | TR.AE | S | MEX |
| YR | YECORA-70[145][114][144][1281]; | TR.AE | S | MEX |
| YR75 | YECORA-75[1281]; | TR.AE | USA | |
| YRR | YECORA-ROJO[114][144][1281]; | TR.AE | S | USA |
| YR-R-B | YECORA-ROJO-RESELECTION[1281]; | TR.AE | S | MEX |
| YRT | YECORATO-77[114][144][1281]; | TR.AE | S | MEX |
| YS | YORKSTAR[1281]; | TR.AE | W | USA |
| YSKY | YESILKOY[1281]; | TR.AE | TUR | |
| YSL | YAROSLAV[1281][3733] | TR.AE | S | USSR |
| YSU | YUKSEUNG[1281]; | TR.AE | KOR | |
| YSU3 | YUKSEUNG-3[1281]; | TR.AE | KOR | |
| YT | YAKTANA[144][1281]; | TR.AE | S | MEX |
| YT53 | YAKTANA-53[1281]; | TR.AE | S | MEX |
| YT54 | YAKTANA-54[1281]; | TR.AE | S | MEX |
| YT54A | YAKTANA-54-A[1281]; | TR.AE | S | MEX |
| YT54B | YAKTANA-54-B[1281]; | TR.AE | S | MEX |