| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| YANWOOD | AUS-1693 | TR.AE | |||
| YANWUMAI | S-00642 | TR.AE | CHN:Shaanxi | ||
| YANYOU-361 | TR.AE | I | CHN:Shandong | ||
| YANZHAN-1 | TR.AE | I | CHN:Henan | ||
| YANZHAN-4110 | TR.AE | W | CHN:Henan | ||
| YANZHAN-41-63 | TR.AE | CHN | |||
| YANZHAN-983 | TR.AE | CHN | |||
| YANZHOU-144 | TR.AE | CHN:Shandong | |||
| YANZISANYUEHANG | TR.AE | CHN:Yunnan | |||
| YAOLINGMAI | TR.AE | CHN | |||
| YAOMAI-16 | TR.AE | W | CHN:Shanxi | ||
| YAOZHOUMAI | TR.TG | S | CHN:Yunnan | ||
| YAPACANI | CM-34093-6Y-OM[1765]; | TR.AE | S | BOL | |
| YAQUI-48 | K-62054 | II-120-3C-911C[2331]; II-118-2Y[1281]; YAQUI[000]; | TR.AE | S | MEX |
| YAQUI-50 | K-45945; PI-210890; CI-12982; AFRC-648,609 | II-120-3C-(9-11)C-24C[1281]; II-120[1281]; | TR.AE | S | MEX |
| YAQUI-50-ENANO | K-47960; AUS-12133 | YAQUI-50-E[113][2331]; YAQUI-50-DWARF[2331]; YAQUI-50-E-5[299]; | TR.AE | S | MEX |
| YAQUI-50-S | AUS-15921 | TR.AE | S | MEX | |
| YAQUI-53 | K-45019; PI-290752; PI-297011; AUS-1703 | II-2257-15C-1C-5C-1C[1281]; | TR.AE | S | MEX |
| YAQUI-53-A | AUS-1704 | II-2257-16C-1C-1Y-1Y-2C-2Y[2331]; | TR.AE | S | MEX |
| YAQUI-53-B | II-2257-16C-5Y-1C-2Y-2C[2331]; | TR.AE | S | MEX |