Zanthoxylum ailanthoides
Zanthoxylum alatum var. planispinum
Zanthoxylum americanum
Zanthoxylum giraldii
Zanthoxylum piperitum
Zanthoxylum simulansZelkova abelicea
Zelkova carpinifoliaZelkova carpinifolia 'Verschaffeltii'
Zelkova serrataZelkova serrata 'Goblin'
Zelkova serrata 'Green Vase' - ( Z.'Flekova')
Zelkova serrata 'Scarlet Cesar'
Zelkova serrata 'Urban Ruby'Zelkova serrata 'Variegata'
Zelkova serrata 'Village Green'
Zelkova sinicaZenobia pulverulenta 'Blue Sky'Ziziphus jujuba
Ziziphus jujuba 'Lang'
Ziziphus sativa