| abecední řazení | řazení podle počtu |
  |   |
| wormald | 2 |
| Worplesdon | 3 |
| Wratislaviensis | 2 |
| wredei | 3 |
| wren | 2 |
| wroblewski | 3 |
| Władysław Jagiełło | 2 |
| x arguta | 2 |
| x Cerapadus | 2 |
| X CUPRESSOCYPARIS | 3 |
| x cupressocyparis leylandii | 2 |
| x laburnocytisus | 2 |
| Xanthoceras | 19 |
| Xanthoceras sorbifolium | 2 |
| xanthocra | 2 |
| xanthocyparis | 3 |
| Xanthorhiza | 3 |
| Xanthorhiza apiifolia | 2 |
| Xanthorrhoea | 3 |
| Xanthosoma | 2 |
| xcupre | 2 |
| xCuprocyparis leylandii | 2 |
| xeminens | 2 |
| xemunens | 2 |
| Xeroderris | 2 |
| Xerophyta | 2 |
| xingu | 2 |
| xochorda racemosa | 2 |
| Xylophylla | 2 |
| Xylosma luzonensis | 2 |
| yaku angel | 2 |
| yaku princess | 2 |
| yaku queen | 2 |
| yaku sunrise | 2 |
| yakunowii | 2 |
| yala | 2 |
| Yangmai | 2 |
| yankari | 2 |
| years of peace | 2 |
| yedoensis | 1 |
| yellow | 4 |
| yellow bird | 2 |
| yellow cushion | 2 |
| Yellow Lantern | 3 |
| Yellow Pom Pom | 1 |
| yelverton | 2 |
| yezo | 2 |
| ymphoricarpos chenaultii | 2 |
| yoho | 3 |
| yongii | 2 |
| yoshino | 2 |
| youngii | 3 |
| Yucca | 11 |
| yucca aloifolia | 3 |
| yucca baccata | 2 |
| yucca brevifolia | 2 |
| yucca carnerosana | 3 |
| Yucca elephantipes | 2 |
| Yucca filamentosa | 3 |
| Yucca filamentossa | 2 |
| Yucca flaccida | 2 |
| Yucca gloriosa | 3 |
| Yucca karlsruhensis | 2 |
| yuki | 2 |
| yukka | 2 |
| yulan | 2 |
| yunnan | 2 |
| zabeliana | 3 |
| zahata | 2 |
| zahatus | 2 |
| zakrslé dreviny | 2 |
| zákula | 2 |
| zakura | 2 |
| zamia | 3 |
| Zamia furfuracea | 2 |
| zanice | 2 |
| žanovec | 4 |
| Zanthorhiza | 2 |
| Zanthorhiza apiifolia | 2 |
| zanthoxyllum | 3 |
| zanthoxylon | 2 |
| Zanthoxylum | 29 |
| Zanthoxylum alatum | 4 |
| Zanthoxylum americanum | 4 |
| Zanthoxylum piperitum | 2 |
| Zanthoxylum schinifolium | 2 |
| zanthoxylum simulans | 2 |
| zanthoxylus | 2 |
| zantoxylon | 3 |
| Zauschneria | 2 |
| zebín | 2 |
| Zeeland | 3 |
| zehusice | 2 |
| zelagow | 2 |
| zelazowa | 2 |
| zelená | 3 |
| zelkova | 42 |
| ZELKOVA CARPINIFOLIA | 4 |
| Zelkova parviflora | 2 |
| Zelkova parvifolia | 2 |
| zelkova serrata | 10 |
| zenobia | 3 |
| zerav | 36 |
| zerav obrovský | 3 |
| zerav řasnatý | 2 |
| zerav východní | 2 |
| zerav západní | 6 |
| zerav zápdní | 2 |
| zeravec | 4 |
| Zeravec východní | 4 |
| zeravinec | 2 |
| zeravinec japonský | 2 |
| zhongdian | 2 |
| zhujopsis | 2 |
| Zillertal | 2 |
| zimo | 2 |
| zimolez | 8 |
| zimolez černý | 2 |
| zimolez Hekrottův | 2 |
| Zimolez Lesklý Elegant | 2 |
| zimolez lesní | 2 |
| zimolez obecný | 3 |
| zimolez pýřitý | 2 |
| Zimolez tatarský | 3 |
| zimostráz | 4 |
| Zimostráz vždyzelený | 2 |
| zimostrázek | 2 |
| Zingiber | 2 |
| zizi | 2 |
| ziziphus | 11 |
| Ziziphus jujuba | 3 |
| ziziphus jujube | 2 |
| Zizyphus | 2 |
| Zizyphus sativa | 2 |
| Zlatia | 2 |
| zlatice | 12 |
| zlatice prostredni | 2 |
| zlatko | 1 |
| Zlatý déšť | 3 |
| zlín | 2 |
| žlutodřev | 5 |
| žlutoroh | 3 |
| zmarilka | 3 |
| zmarličník | 10 |
| Zmarlika | 4 |
| Zmarlika kanadská | 1 |
| Zmatlik | 4 |
| Zo | 2 |
| zofia | 2 |
| zpevněných | 3 |
| zrav západní | 2 |
| zundert | 2 |
| zwerg | 3 |
| Zygophyllum | 2 |
| Zygophyllum sessilifolium | 2 |
| [plestar | 2 |
| ACER PLATANOIDES | 2 |
| ACER PLATANOIDES § | 2 |
| ¨papírovník | 2 |
| ¨prunus amanogawa | 2 |
| ¨quercus | 2 |
| ¨smrk ztepilý | 2 |
| ¨svitel | 2 |
| ¨vaccinium | 2 |
| ´Atlantica glauca pendula´. | 2 |
| ´Panther´ | 2 |
| ×Laburnocytisus adamii | 2 |
| Łokietek | 2 |
| Маѕтенус | 2 |
| Сeanothus | 2 |
| ‘Lord Roberts‘ | 2 |
| ‘Umineko‘ | 2 |
| • Banksia occidentalis | 1 |
| Aesculus hippocastanum Pendula | 2 |
| Deutzia longifolia | 2 |
| Malus ×gloriosa | 2 |
| | |
