| Species ID | Scientific Name | Trade Name | Family Name | Genera ID | Tree Identification | Geolocation | Authorities |
| 6276 | Zanthoxylum allanthioides | Taiwan Prickly Ash | Rutaceae | ||||
| 6277 | Zanthoxylum americanum | Northern Prickly Ash | Rutaceae | ||||
| 6278 | Zanthoxylum apiculatum | Bolivian Prickly Ash | Rutaceae | ||||
| 6279 | Zanthoxylum belizense | Caribbean Prickly Ash | Rutaceae | ||||
| 6280 | Zanthoxylum brachyacanthum | Thorny Yellow wood | Rutaceae | ||||
| 6281 | Zanthoxylum bungeanum | Sichuan Pepper Tree, Hua-jiao | Rutaceae | ||||
| 6282 | Zanthoxylum caribaeum | Zorillo, Espino Rubial | Rutaceae | ||||
| 6283 | Zanthoxylum clava-hercules | Hercules Club, Toothache Tree | Rutaceae | ||||
| 6284 | Zanthoxylum coreaceum | Biscayne Prickly Ash | Rutaceae | ||||
| 6285 | Zanthoxylum dellomei | Bolivian Prickly Ash | Rutaceae | ||||
| 6286 | Zanthoxylum ekmannii | Honduran, Prickly Ash, Ekman’s Prickly Ash | Rutaceae | ||||
| 6287 | Zanthoxylum kellermanii | Prickly Ash, Kellerman’s | Rutaceae | ||||
| 6288 | Zanthoxylum pipperitum | Japanese Pepper Tree | Rutaceae | ||||
| 6289 | Zanthoxylum riedelianum | Prickly Ash, Guatemalan | Rutaceae | ||||
| 6290 | Zanthoxylum schinifolium | Sichuan Pepper Tree, Qing-hua-jino | Rubiaceae | ||||
| 6291 | Zanthoxylum simulans | Sichuan Pepper Tree | Rutaceae | ||||
| 6292 | Zelkova carpinifolia | Zelkova | Ulmaceae | 8547 | |||
| 6293 | Zelkova crenata | Turkish Elm | Ulmaceae | 8547 | |||
| 6294 | Zelkova davidii | Chinese Thorned Elm | Ulmaceae | 8547 | |||
| 6295 | Ziziphus bijugatus | Dunk Jujube | Rhamnaceae | 7427 | |||
| 6296 | Ziziphus mauritania | Indian Jujube | Rhamnaceae | 7427 | |||
| 6297 | Ziziphus mistol | Mistol Jujube | Rhamnaceae | ||||
| 6298 | Ziziphus sativa | Cottony Jujube | Rhamnaceae |