| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ZURA | TR.AE | S | POL | ||
| ZUSTRICH | RICP-0S0106478 | ZUSTRICH[2543]; ERYTHROSPERMUM-2712-95[1371]; | TR.AE | W | UKR:Odessa |
| ZUTA | RICP-01C0105578 | TR.AE | W | SER | |
| ZUTA-RANA | K-38867 | TR.AE | W | YUG | |
| ZUTA-WRKULJA | K-38864 | TR.AE | W | YUG | |
| ZUZANA | PI-668252 | SG-S-112[761]; | TR.AE | S | CZE:Cechy |
| ZVEZDANA | TR.AE | W | SER | ||
| ZVEZDA,RUS | K-59271; PI-592051 | TR.AE | W | RUS:Moscow | |
| ZVEZDA,YUG | K-58357,55484; AFRC-3289,3976; AUS-24678 | NS-7001[308][1294][2965]; NS-ZVEZDA[3184]; PI-434709[2965]; | TR.AE | W | YUG:Serbia |
| ZVEZDELENA | K-59679 | TR.AE | W | BGR | |
| ZVEZDOCHKA | K-64346 | TR.AE | W | RUS:Nalchik | |
| ZVITYAGA | TR.AE | W | UKR:Odessa | ||
| ZVONNITSA | ERYTHROSPERMUM-96-02[1371]; | TR.AE | W | RUS:Belgorod | |
| ZWARTKA | TR.AE | W | POL | ||
| ZWD-1 | TR.DR | S | ZWE | ||
| ZWD-2 | TR.DR | S | ZWE | ||
| ZWD-3 | TR.DR | S | ZWE | ||
| ZWEEDSE | TR.AE | NLD | |||
| ZWERG-4 | TR.AE | ||||
| ZWERG-I.V.P. | TR.AE |