| abecední řazení | řazení podle počtu |
 |  |
| Worplesdon | 7 |
| Wratislaviensis | 4 |
| wredei | 8 |
| wren | 4 |
| wroblewski | 6 |
| Wyandanch | 3 |
| Wyandanch Pink | 3 |
| wyoming | 3 |
| Władysław Jagiełło | 4 |
| x arguta | 4 |
| x Cerapadus | 4 |
| X CUPRESSOCYPARIS | 6 |
| x cupressocyparis leylandii | 5 |
| x dandonensis | 3 |
| x laburnocytisus | 4 |
| x Mahoberberis | 3 |
| x sorbopyrus | 1 |
| x vanhouttei | 1 |
| xanthocarpa | 4 |
| Xanthoceras | 26 |
| Xanthoceras sorbifolium | 8 |
| xanthocerras | 4 |
| xanthocra | 4 |
| xanthocyparis | 5 |
| Xanthorhiza | 5 |
| Xanthorhiza apiifolia | 4 |
| Xanthorrhoea | 5 |
| Xanthosoma | 4 |
| Xanthostemon chrysanthus | 3 |
| xantoceras | 3 |
| xcupre | 4 |
| xCupressocyparis leylandii | 3 |
| xcupressocyparus | 3 |
| xCuprocyparis leylandii | 4 |
| xeminens | 4 |
| xemunens | 4 |
| Xeroderris | 4 |
| Xerophyta | 4 |
| xingu | 4 |
| xmahoberberis | 3 |
| xochorda racemosa | 4 |
| Xylophylla | 4 |
| Xylosma luzonensis | 4 |
| yaku angel | 4 |
| yaku princess | 4 |
| yaku queen | 4 |
| yaku sunrise | 4 |
| yakunowii | 4 |
| yala | 4 |
| Yangmai | 4 |
| yankari | 4 |
| years of peace | 4 |
| yedoensis | 4 |
| yellow | 7 |
| yellow bird | 4 |
| yellow cushion | 4 |
| Yellow Lantern | 5 |
| Yellow Pom Pom | 3 |
| yelverton | 4 |
| yezo | 4 |
| ymphoricarpos chenaultii | 4 |
| yoho | 5 |
| yongii | 4 |
| yoshino | 5 |
| youngii | 6 |
| yours truly | 3 |
| Yucca | 22 |
| yucca aloifolia | 5 |
| yucca baccata | 4 |
| yucca brevifolia | 4 |
| yucca carnerosana | 5 |
| Yucca elephantipes | 4 |
| Yucca filamentosa | 7 |
| Yucca filamentossa | 4 |
| Yucca flaccida | 6 |
| yucca gigantea | 3 |
| Yucca gloriosa | 5 |
| Yucca karlsruhensis | 4 |
| yuki | 4 |
| yukka | 4 |
| yulan | 4 |
| yunnan | 4 |
| ž | 4 |
| zabelia | 3 |
| zabeliana | 5 |
| zaháj | 3 |
| zahata | 4 |
| zahatus | 4 |
| zakrslé dreviny | 4 |
| zákula | 5 |
| zakura | 4 |
| zamarilka kanadska | 3 |
| zamia | 5 |
| Zamia furfuracea | 4 |
| zanice | 4 |
| žanovec | 6 |
| Zanthorhiza | 4 |
| Zanthorhiza apiifolia | 4 |
| zanthoxyllum | 5 |
| zanthoxylon | 4 |
| Zanthoxylum | 37 |
| Zanthoxylum acanthopodium | 3 |
| Zanthoxylum alatum | 6 |
| Zanthoxylum americanum | 8 |
| Zanthoxylum piperitum | 4 |
| Zanthoxylum schinifolium | 4 |
| zanthoxylum simulans | 4 |
| zanthoxylus | 4 |
| zantoxylon | 5 |
| Zantoxylum | 3 |
| Žatec | 4 |
| zathoxylum | 3 |
| Zauschneria | 4 |
| zeav | 3 |
| zebín | 4 |
| Zeeland | 5 |
| Zeelandia | 3 |
| zehusice | 4 |
| zelagow | 4 |
| zelazowa | 4 |
| zelená | 5 |
| zelkova | 82 |
| Zelkova abelicea | 3 |
| ZELKOVA CARPINIFOLIA | 9 |
| Zelkova parviflora | 5 |
| Zelkova parvifolia | 4 |
| zelkova serrata | 23 |
| Zelkova sinica | 3 |
| zelkowa | 3 |
| zemobia | 3 |
| zenobia | 9 |
| zeppelin | 3 |
| zerav | 52 |
| zerav atrovirens | 4 |
| zerav excelsa | 3 |
| zerav martin | 3 |
| zerav obovský | 3 |
| zerav obrovský | 10 |
| zerav řasnatý | 7 |
| zerav východní | 7 |
| zerav západní | 11 |
| zerav zápdní | 4 |
| zeravec | 9 |
| Zeravec východní | 6 |
| zeravinec | 7 |
| zeravinec japonský | 4 |
| Zerav§ | 3 |
| zev | 3 |
| zeva | 3 |
| zhongdian | 4 |
| zhujopsis | 4 |
| zigeunerblut | 3 |
| Zillertal | 4 |
| zimo | 4 |
| zimolez | 16 |
| zimolez černý | 4 |
| zimolez Hekrottův | 4 |
| zimolez kloubkatý | 3 |
| Zimolez Lesklý Elegant | 4 |
| zimolez lesní | 4 |
| zimolez modrý | 3 |
| zimolez obecný | 5 |
| zimolez pýřitý | 4 |
| Zimolez tatarský | 5 |
| zimolez vonný | 3 |
| zimolezovité | 3 |
| zimostráz | 7 |
| Zimostráz vždyzelený | 5 |
| zimostrázek | 4 |
| Zinātņu Akadēmija | 4 |
| Zingiber | 4 |
| Zirbe | 3 |
| ziricote | 3 |
| zizi | 4 |
| ziziphus | 20 |
| Ziziphus Joazeiro | 3 |
| Ziziphus jujuba | 5 |
| ziziphus jujube | 4 |
| Ziziphus volubilis | 3 |
| Zizyphus | 4 |
| Zizyphus sativa | 4 |
| Zlatia | 4 |
| zlatice | 20 |
| zlatice prostredni | 4 |
| zlatko | 3 |
| Zlatý déšť | 5 |
| zlín | 4 |
| žlutník | 3 |
| žlutodřev | 9 |
| žlutoroh | 5 |
| zlutoroh jerabolisty | 5 |
| zmarilka | 5 |
| zmarličník | 18 |
| zmarlicnik japonsky | 5 |
| Zmarlika | 16 |
| Zmarlika kanadská | 3 |
| Zmatlik | 6 |
| Zo | 4 |
| zofia | 4 |
| ZOMII | 3 |
| zpevněných | 5 |
| zrav západní | 4 |
| zsofi | 4 |
| žumara | 3 |
| zundert | 5 |
| Zvolen | 5 |
| zwerg | 5 |
| zwerg kugel | 3 |
| Zygophyllum | 4 |
| Zygophyllum sessilifolium | 4 |
| [plestar | 4 |
| ACER PLATANOIDES | 4 |
| ACER PLATANOIDES § | 4 |
| ¨malus | 3 |
| ¨malus floribunda | 3 |
| ¨papírovník | 4 |
| ¨picea orientalis | 3 |
| ¨prunus amanogawa | 4 |
| ¨quercus | 5 |
| ¨smrk ztepilý | 4 |
| ¨svitel | 4 |
| ¨vaccinium | 4 |
| ´Atlantica glauca pendula´. | 4 |
| ´Panther´ | 4 |
| ´Pink Perfume´ | 3 |
| ×Dactylocamptis boudieri | 3 |
| ×Gymnanacamptis anacamptis | 3 |
| ×Laburnocytisus adamii | 4 |
| ×Mahoberberis | 3 |
| ×Sinocalycalycanthus | 3 |
| ×Sorbopyrus | 4 |
| Łokietek | 4 |
| Маѕтенус | 4 |
| Сeanothus | 4 |
| ‘Lord Roberts‘ | 4 |
| ‘Umineko‘ | 4 |
| • Banksia occidentalis | 3 |
| Aesculus hippocastanum Pendula | 4 |
| Deutzia longifolia | 4 |
| Malus ×gloriosa | 4 |
 |  |