| Name | Accession number | Synonym | Species | Habit | Locality |
|---|---|---|---|---|---|
| ZLOTKA,UKR | K-37691; K-37692; K-37697; K-37698 | ZLATKA[2]; | TR.AE | W | UKR:Lvov |
| ZLOTNICKA | TR.AE | S | POL | ||
| ZLUKA | TR.AE | W | UKR:Kiev | ||
| ZM-13173 | AUS-25941 | TR.AE | CHN:Beijing | ||
| ZMINA | K-64677 | ZMINA[000]; ERYTHROSPERMUM-2113-199[000]; | TR.AE | W | UKR:Odessa |
| ZMS-NJIBA | TR.AE | S | ZMB | ||
| ZMS-YATHU-1 | TR.AE | S | ZMB | ||
| ZMUDKA | TR.AE | W | POL | ||
| ZMUDKA-GOLKA | AUS-17416 | TR.AE | W | POL | |
| ZMUDKA-PIEWOTNA | TR.AE | W | POL | ||
| ZNAIMERS-SOMMERHARTWEIZEN | K-40448 | TR.AE | S | DEU | |
| ZNAJDA-JELENSKA | K-34093 | LUEJDA-JELENSKA[541]; | TR.AE | W | POL |
| ZNOJEMSKA-OSINATKA | TR.AE | S | CSK | ||
| ZOBEL | HADM.49271[1371]; TSOBEL[1371]; | TR.AE | W | DEU | |
| ZOCHOVIS | TR.DR | GRC | |||
| ZOCO-DE-YEBEL-HEBIL | PI-191415 | TR.DR | MAR | ||
| ZODIAC | K-63922 | TR.AE | W | GBR | |
| ZOFIA-SOBIESZYNSKA | TR.AE | W | POL | ||
| ZOGAL-BUGDA | K-41853 | TR.DR | W | AZE | |
| ZOLGERAN | K-55173 | TR.AE | W | AZE |