Vi - Z
| Viburnum lantana | Schneeball Wolliger | Wayfaring Tree | Caprifoliaceae |
| Viburnum opulus | Schneeball Gewöhnlicher | Highbush Cranberry | Caprifoliaceae |
| Viburnum rhytidophyllum | Schneeball Runzelblättriger | Leatherleaf- Viburnum | Caprifoliaceae |
| Viburnum tinus | Schneeball Lorbeer | Laurustinus Viburnum | Caprifoliaceae |
| Vicia altissima | Wicke Hohe | Tall Vetch | Fabaceae |
| Vicia amphicarpa | Wicke Verschiedenfrüchtige | Subterranean Vetch | Fabaceae |
| Vicia angustifolia | Wicke Schmalblättrige | Narrow- Leaf Vetch | Fabaceae |
| Vicia argentea | Wicke Silber | Silvery Vetch | Fabaceae |
| Vicia articulata | Wicke Einblütige | Oneflower Vetch | Fabaceae |
| Vicia benghalensis | Wicke Bengalische | Purple Vetch | Fabaceae |
| Vicia bifoliolata | Wicke Zweiblättrige | Two- leaved Vetch | Fabaceae |
| Vicia bithynica | Wicke Bithynische | Bithnian Vetch | Fabaceae |
| Vicia cassubica | Wicke Kassuben | Kashubian Vetch | Fabaceae |
| Vicia cordata | Wicke Herzblättrige | Heart- leaved Vetch | Fabaceae |
| Vicia cracca | Wicke Vogel | Bird Vetch | Fabaceae |
| Vicia cretica | Wicke Kretische | Cretan Vetch | Fabaceae |
| Vicia cusnae | Wicke Monte Cusna | Monte Cusna Vetch | Fabaceae |
| Vicia cuspidata | Wicke Smyrna | Smyrna Vetch | Fabaceae |
| Vicia dalmatica | Wicke Dalmatische | Bramble Vetch | Fabaceae |
| Vicia dasycarpa | Wicke Bunte | Fodder Vetch | Fabaceae |
| Vicia disperma | Wicke Zweisamige | Two- seeded Vetch | Fabaceae |
| Vicia dumetorum | Wicke Hecken | Purple Wood Vetch | Fabaceae |
| Vicia eriocarpa | Wicke Wollsamige | Woolyseeded Vetch | Fabaceae |
| Vicia ervilia | Wicke Linsen | Bitter Vetch | Fabaceae |
| Vicia faba | Wicke Acker | Fava Bean | Fabaceae |
| Vicia galilaea | Wicke Galiläische | Galilean Vetch | Fabaceae |
| Vicia glauca | Wicke Blaugrüne | Glaucous Vetch | Fabaceae |
| Vicia grandiflora | Wicke Großblütige | Large Yellow Vetch | Fabaceae |
| Vicia hirsuta | Wicke Rauhaarige | Tiny Vetch | Fabaceae |
| Vicia hybrida | Wicke Bastard | Hairy Yellow Vetch | Fabaceae |
| Vicia incana | Wicke Graue | Grey Vetch | Fabaceae |
| Vicia incisa | Wicke Eingeschnittene | Incised Vetch | Fabaceae |
| Vicia johannis | Wicke Johannes | Johannis Vetch | Fabaceae |
| Vicia laeta | Wicke Barbazitas | Barbazita's Vetch | Fabaceae |
| Vicia lathyroides | Wicke Platterbesen | Spring Vetch | Fabaceae |
| Vicia leucantha | Wicke Weißliche | Brown- fruited Vetch | Fabaceae |
| Vicia loiseleurii | Wicke Loiseurs | Loiseur's Vetch | Fabaceae |
| Vicia lunata | Wicke Halbmondförmige | Lunate Vetch | Fabaceae |
| Vicia lutea | Wicke Gelbe | Smooth Yellow Vetch | Fabaceae |
| Vicia melanops | Wicke Grünblütige | Black- eyed Vetch | Fabaceae |
| Vicia macrocarpa | Großfrüchtige Herzblättrige | Largefruit Vetch | Fabaceae |
| Vicia microphylla | Wicke Kleinblättrige | Small- leaved Vetch | Fabaceae |
| Vicia monantha | Wicke Einblütige | Barn Vetch | Fabaceae |
| Vicia monardi | Wicke Baetische | Monardes Vetch | Fabaceae |
| Vicia narbonensis | Wicke Maus | French Vetch | Fabaceae |
| Vicia ochroleuca | Wicke Gelblichweiße | Creamish Vetch | Fabaceae |
| Vicia onobrychioides | Wicke Esparsetten | Sanfoin Vetch | Fabaceae |
| Vicia oroboides | Wicke Walderbsen | Pale Vetch | Fabaceae |
| Vicia orobus | Wicke Heide | Upright Vetch | Fabaceae |
| Vicia pannonica | Wicke Ungarische | Hungarian Vetch | Fabaceae |
| Vicia parviflora | Wicke Zierliche | Slender Vetch | Fabaceae |
| Vicia peregrina | Wicke Fremde | Wandering Vetch | Fabaceae |
| Vicia pinetorum | Wicke Kiefernwald | Pinewood Vetch | Fabaceae |
| Vicia pisiformis | Wicke Erbsen | Pea- flowered Vetch | Fabaceae |
| Vicia pseudocracca | Wicke Falsche Vogel | False- Bird- Vetch | Fabaceae |
| Vicia pubescens | Wicke Flaum | Pubescent Vetch | Fabaceae |
| Vicia pyrenaica | Wicke Pyrenäen | Pyrenaean Vetch | Fabaceae |
| Vicia sativa | Wicke Saat | Garden Vetch | Fabaceae |
| Vicia segetalis | Wicke Korn | Common Vetch | Fabaceae |
| Vicia sepium | Wicke Zaun | Bush Vetch | Fabaceae |
| Vicia serinica | Wicke Monte Sirino | Monte Sirino Vetch | Fabaceae |
| Vicia serratifolia | Wicke Gezähnte | Toothed Vetch | Fabaceae |
| Vicia sibthorpii | Wicke Sibthorps | Sibthorp's Vetch | Fabaceae |
| Vicia sicula | Wicke Sizilianische | Sicilian Vetch | Fabaceae |
| Vicia sparsiflora | Wicke Zerstreutblütige | Sparse- flowered Vetch | Fabaceae |
| Vicia sylvatica | Wicke Wald | Wood Vetch | Fabaceae |
| Vicia tenuifolia | Wicke Schmalblättrige | Fine- leaved Vetch | Fabaceae |
| Vicia tetrasperma | Wicke Viersamige | Lentil Vetch | Fabaceae |
| Vicia vicioides | Wicke Maurische | Moorish Vetch | Fabaceae |
| Vicia villosa | Wicke Zottel | Winter Vetch | Fabaceae |
| Vigna unguiculata | Augenbohne | Cow Pea | Fabaceae |
| Vinca difformis | Immergrün Mittleres | Intermediate Periwinkle | Apocynaceae |
| Vinca herbaceae | Immergrün Krautiges | Herbacaeous Periwinkle | Apocynaceae |
| Vinca major | Immergrün Großes | Bigleaf Periwinkle | Apocynaceae |
| Vinca minor | Immergrün Kleines | Common Periwinkle | Apocynaceae |
| Vincetoxicum canescens | Schwalbenwurz Graue | Grey Swallow- wort | Apocynaceae |
| Vincetoxicum creticum | Schwalbenwurz Kretische | Cretian Swallow- wort | Apocynaceae |
| Vincetoxicum funebre | Schwalbenwurz Trauer | Blackish Swallow- wort | Apocynaceae |
| Vincetoxicum fuscatum | Schwalbenwurz Braunblütige | Dark- flowered Swallow- wort | Apocynaceae |
| Vincetoxicum hirundinaria | Schwalbenwurz Weiße | White Swallow- wort | Apocynaceae |
| Vincetoxicum huteri | Schwalbenwurz Huters | Huter's Swalloe- wort | Apocynaceae |
| Vincetoxicum nigrum | Schwalbenwurz Schwarze | Black Swallow- wort | Apocynaceae |
| Vincetoxicum speciosum | Schwalbenwurz Pracht | Showy Swallow- wort | Apocynaceae |
| Viola arvensis | Stiefmütterchen Acker | European Field Pansy | Violaceae |
| Viola beckiana | Veilchen Becks | Beck's Pansy | Violaceae |
| Viola bertolonii | Veilchen Bertolonis | Bertoloni's Pansy | Violaceae |
| Viola calcarata | Veilchen Sporn | Spurred Pansy | Violaceae |
| Viola cornuta | Veilchen Horn | Horned Pansy | Violaceae |
| Viola dubyana | Veilchen Dubys | Duby's Pansy | Violaceae |
| Viola graeca | Veilchen Griechisches | Greek Pansy | Violaceae |
| Viola kitaibeliana | Stiefmütterchen Kleines | Duby's Pansy | Violaceae |
| Viola lutea | Veilchen Gelbes | Mountain Pansy | Violaceae |
| Viola merxmuelleri | Veilchen Merxmüllers | Merxmueller's Pansy | Violaceae |
| Viola pseudograeca | Veilchen Olymp | Vourinos Pansy | Violaceae |
| Viola sfikasiana | Veilchen Sfikas | Sfikas Pansy | Violaceae |
| Viola tricolor | Stiefmütterchen Gewöhnliches | Wild Pansy | Violaceae |
| Viola vourinensis | Veilchen Vourinos | Vourinos Pansy | Violaceae |
| Viola x cornuta | Hornveilchen Garten | Garden Pansy | Violaceae |
| Viola x wittrockiana | Stiefmütterchen Garten | Garden Pansy | Violaceae |
| Vitex agnus- castus | Mönchspfeffer Gewöhnlicher | Lilac Chastetree | Lamiaceae |
| Vogtia annua | Vogtie Einjährige | Annual Tansy | Asteraceae |
| Vogtia annua | Vogtie Einjährige | Annual Tansy | Asteraceae |
| Vogtia microphylla | Vogtie Kleinblättrige | Small- leaved Tansy | Asteraceae |
| Moosglöckchen Efeu | Ivy- leaved Wahlenbergia | Campanulaceae | |
| Moosglöckchen Gelapptes | Lobelia- like Wahlenbergia | Campanulaceae | |
| Waldsteinie Gelapptblättrige | Geum- like Waldsteinia | Rosaceae | |
| Waldsteinie Dreiblättrige | Siberian Waldsteinia | Rosaceae | |
| Washingtonpalme Kalifornische | California Fan Palm | Arecaceae | |
| Washingtonpalme Mexikanische | Mexican Fan Palm | Arecaceae | |
| Weigela florida | Weigelie Liebliche | Rose Weigela | Caprifoliaceae |
| Willemetia stipitata | Krönchenlattich Gewöhnlicher | Petiolate Willemetia | Asteraceae |
| Withania frutescens | Withanie- Strauch | Shrubby Withania | Solanaceae |
| Withania somnifera | Schlafbeere | Mediterranean Withania | Solanaceae |
| Wolffia arrhiza | Zwergwasserlinse Wurzellose | Spotless Watermeal | Araceae |
| Wolffia columbiana | Zwergwasserlinse Kolumbische | Columbian Watermeal | Araceae |
| Woodsia alpina | Wimpernfarn Alpen | Alpine Cliff Fern | Woodsiaceae |
| Woodsia ilvensis | Wimpernfarn Rostroter | Rusty Cliff Fern | Woodsiaceae |
| Woodsia pulchella | Wimpernfarn Zierlicher | Smooth Cliff Fern | Woodsiaceae |
| Kettenfarn Wurzelnder | Rooting Chainfern | Blechnaceae | |
| Wulfenia baldaccii | Kuhtritt Albanischer | Albanian Cow's Footstep | Plantaginaceae |
| Wulfenia carinthiaca | Kuhtritt Kärntner | Carinthian Cow's Footstep | Plantaginaceae |
| Xanthium albinum | Spitzklette Ufer | Riverside Cocklebur | Asteraceae |
| Xanthium ambrosioides | Spitzklette Ambrosia | Ambrosia- like Cocklebur | Asteraceae |
| Xanthium italicum | Spitzklette Italienische | Italian Cocklebur | Asteraceae |
| Xanthium orientale | Spitzklette Großfrüchtige | Rough Cocklebur | Asteraceae |
| Xanthium pungens | Spitzklette Stechende | Stinging Cocklebur | Asteraceae |
| Xanthium saccharatum | Spitzklette Zucker | Canada Cocklebur | Asteraceae |
| Xanthium spinosum | Spitzklette Dornige | Spiny Cocklebur | Asteraceae |
| Xanthium strumarium | Spitzklette Gewöhnliche | Common Cocklebur | Asteraceae |
| Xanthoselinum alsaticum | Haarstrang Elsässer | Alsatian Parseley | Apiaceae |
| Xanthoselinum venetum | Haarstrang Venezianer | Venetian Parseley | Apiaceae |
| Xerochrysum bracteatum | Strohblume Garten | Everlasting Strawflower | Asteraceae |
| Xerolekia speciosissima | Xerolekie Kleine | Dwarf Oxeye | Asteraceae |
| Yucca aloifolia | Palmlilie Aloeblättrige | Spanish Bayonet | Agavengewächse |
| Yucca filamentosa | Palmlilie Fädige | Narrow- leaf Yucca | Agavengewächse |
| Yucca gloriosa | Palmlilie Kerzen | Moundlily Yucca | Agavengewächse |
| Zannichellia palustris | Teichfaden Sumpf | Horned Pondweed | Potamogetonaceae |
| Zanthedeschia aethiopica | Zimmerkalla Gewöhnliche | Lily of the nile | Araceae |
| Zanthedeschia albomaculata | Zimmerkalla Gefleckte | Spotted Calla | Araceae |
| Zanthedeschia elliottiana | Zimmerkalla Goldene | Golden Calla | Araceae |
| Zanthedeschia rehmannii | Zimmerkalla Rehmanns | Pink Calla Lily | Araceae |
| Zinnia elegans | Zinnie Garten | Garden Zinnia | Asteraceae |
| Ziziphora aragonensis | Ziziphora Aragonische | Aragonese Ziziphora | Lamiaceae |
| Ziziphora capitata | Ziziphora Kopfige | Capitate Ziziphora | Lamiaceae |
| Ziziphora hispanica | Ziziphora Spanische | Spanish Ziziphora | Lamiaceae |
| Ziziphora taurica | Ziziphora Taurische | Taurian Ziziphora | Lamiaceae |
| Ziziphora tenuior | Ziziphora Schlanke | Slender Ziziphora | Lamiaceae |
| Ziziphus jujuba | Jujuba Chinesische | Common Jujube | Lamiaceae |
| Ziziphus lotus | Jujuba Lotus | Lotus Jujube | Lamiaceae |
| Zostera marina | Seegras Echtes | Common Eelgras | Zosteraceae |
| Zostera noltii | Seegras Zwerg | Dwarf Eelgras | Zosteraceae |