| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| YAROVAYA-IZ-SASKATCHEVANA | K-45073; | TR.AE | S | CAN | |
| YARRALINKA | K-64208; AUS-24350 | WI-715[1335]; | TR.AE | S | AUS:South-Australia |
| YARTSEVSKAYA | TR.AE | W | RUS:Smolensk | ||
| YARTSEVSKAYA-B-624 | K-38590; | TR.AE | S | RUS:Krasnoyarsk | |
| YARTSEVSKAYA-B-633 | K-38589; | TR.AE | S | RUS:Krasnoyarsk | |
| YARUSHKA | K-4811 | TR.AE | W | RUS:Stavropol | |
| YAS | K-3759 | TR.SE | W | BLR | |
| YASAR-29 | K-54517; | YASAR[1913]; | TR.AE | S | RUS:Saratov |
| YASEN | K-63368; PI-564420; AUS-24472 | TR.AE | W | BGR | |
| YASHKULYANKA | K-64618 | TR.AE | W | RUS:Krasnodar,Kalmykiya | |
| YASHMA | K-60367 | LEUCURUM-719-h-389[2951]; | TR.DR | W | RUS:Krasnodar |
| YASNOGIRKA | K-65167 | YASNOGIRKA[4296]; YASNOGORKA[4320]; | TR.AE | W | UKR:Kiev |
| YASOCHKA | K-64339 | TR.AE | W | UKR:Kiev | |
| YASTREBINOVSKAYA-85 | K-55822 | TR.AE | W | UKR:Nikolaev | |
| YATKH-42 | K-3894 | TR.SE | S | UKR:Kharkov | |
| YATRAN-60 | TR.AE | W | UKR:Kiev | ||
| YATUNG | TR.AE | S | CHN | ||
| YAVAROS-1 | CM-9799-126M-1M-3Y-0Y[3692]; | TR.DR | S | MEX | |
| YAVAROS-10 | CM-9799-197M-3Y-1M-1Y-1B-0Y[3692]; | TR.DR | S | MEX | |
| YAVAROS-2 | CM-9799-126M-1M-4Y-0Y[3692]; | TR.DR | S | MEX |