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 abbreviata | Wicke Verkürzte | Shortened Vetch | Fabaceae |
| 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 biennis | Wicke Zweijährige | Biennial Vetch | Fabaceae |
| Vicia bifoliolata | Wicke Zweiblättrige | Two- leaved Vetch | Fabaceae |
| Vicia bithynica | Wicke Bithynische | Bithnian Vetch | Fabaceae |
| Vicia cassia | Wicke Zypriotische | Cyprus 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 davisii | Wicke Davis' | Davis's 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 giacominiana | Wicke Giacominis | Giacomini's 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 | Wicke Großfrüchtige | 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 palaestina | Wicke Palästina | Palestine Vetch | Fabaceae |
| Vicia pannonica ssp. pannonica | Wicke Ungarische | Striped Vetch | Fabaceae |
| Vicia pannonica ssp. striata | Wicke Gestreifte | Striped 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 acrocerauniensis | Stiefmütterchen Akroceraunisches | Acroceraunian Pansy | Violaceae |
| Viola aethnensis | Stiefmütterchen Ätna | Etna Pansy | Violaceae |
| Viola aetolica | Stiefmütterchen Ätolisches | Aetolian Pansy | Violaceae |
| Viola alba | Veilchen Weißes | White Violet | Violaceae |
| Viola alba ssp cretica | Veilchen Kretisches | Cretan Violet | Violaceae |
| Viola alba ssp dehnhartii | Veilchen Dehnharts | Dehnhart's Violet | Violaceae |
| Viola albanica | Stiefmütterchen Albanisches | Albanian Pansy | Violaceae |
| Viola allchariensis | Stiefmütterchen Allchar | Allchar Pansy | Violaceae |
| Viola alpina | Stiefmütterchen Ostalpen | Alpine Pansy | Violaceae |
| Viola ambigua | Veilchen Steppen | Doubtful Violet | Violaceae |
| Viola arborescens | Veilchen Strauchiges | Shrubby Violet | Violaceae |
| Viola arsenica | Stiefmütterchen Arsen | Arsenic Pansy | Violaceae |
| Viola arvensis ssp. arvensis | Stiefmütterchen Gewöhnliches Acker | European Field Pansy | Violaceae |
| Viola arvensis ssp. megalantha | Stiefmütterchen Großblütiges Acker | Big- flower Field Pansy | Violaceae |
| Viola athois | Stiefmütterchen Athos | Athos Pansy | Violaceae |
| Viola babunensis | Stiefmütterchen Babuna | Babuna Pansy | Violaceae |
| Viola beckiana | Stiefmütterchen Becks | Beck's Pansy | Violaceae |
| Viola bertolonii | Stiefmütterchen Bertolonis | Bertoloni's Pansy | Violaceae |
| Viola bornmuelleri | Stiefmütterchen Bornmüllers | Bornmueller's Pansy | Violaceae |
| Viola brachyphylla | Stiefmütterchen Kurzblättriges | Short- leaved Pansy | Violaceae |
| Viola bubanii | Stiefmütterchen Bubanis | Bubani's Pansy | Violaceae |
| Viola calcarata | Stiefmütterchen Sporn | Spurred Pansy | Violaceae |
| Viola canina | Veilchen Hunds | Dog Violet | Violaceae |
| Viola cazorlensis | Veilchen Cazorla | Cazorla Violet | Violaceae |
| Viola cenisia | Stiefmütterchen Mont Cenis | Mont Cenis Pansy | Violaceae |
| Viola cephalonica | Stiefmütterchen Kefalonia | Kefalonia Pansy | Violaceae |
| Viola chelmea | Veilchen Chelmos | Chelmos Violet | Violaceae |
| Viola collina | Veilchen Hügel | Hill Violet | Violaceae |
| Viola comollia | Veilchen Comollis | Comolli's Pansy | Violaceae |
| Viola cornuta | Stiefmütterchen Horn | Horned Pansy | Violaceae |
| Viola corsica | Stiefmütterchen Korsisches | Corsican Pansy | Violaceae |
| Viola corsica ssp. limbarae | Stiefmütterchen Limbara | Mt. Limbara Pansy | Violaceae |
| Viola crassiuscula | Stiefmütterchen Sierra Nevada | Sierra Nevada Pansy | Violaceae |
| Viola cucullata | Veilchen Kapuzen | Marsh Blue Violet | Violaceae |
| Viola culminis | Stiefmütterchen Mt. Guglielmo | Mt. Guglielmo Pansy | Violaceae |
| Viola dacica | Stiefmütterchen Dakisches | Dacian Pansy | Violaceae |
| Viola delphinantha | Veilchen Delfinblütiges | Dolphin- flowered Violet | Violaceae |
| Viola demetria | Stiefmütterchen Demeters | Demeter's Pansy | Violaceae |
| Viola dirphya | Veilchen Dirphys | Mt. Dirphys Violet | Violaceae |
| Viola diversifolia | Stiefmütterchen Verschiedenblättriges | Diverse- leaved Pansy | Violaceae |
| Viola doerfleri | Stiefmütterchen Dörflers | Doerfler's Pansy | Violaceae |
| Viola dubyana | Stiefmütterchen Dubys | Duby's Pansy | Violaceae |
| Viola dukadjinica | Stiefmütterchen Dukagjin | Dukagjin Pansy | Violaceae |
| Viola elatior | Veilchen Hohes | Tall Violet | Violaceae |
| Viola elegantula | Stiefmütterchen Elegantes | Elegant Pansy | Violaceae |
| Viola epipsila | Veilchen Torf | Dwarf Marsh Violet | Violaceae |
| Viola epirota | Stiefmütterchen Epirus | Epirus Pansy | Violaceae |
| Viola etrusca | Stiefmütterchen Etruskisches | Etruscan Pansy | Violaceae |
| Viola euboea | Stiefmütterchen Euböa | Evvia Pansy | Violaceae |
| Viola eugeniae | Stiefmütterchen Eugenias | Eugenia's Pansy | Violaceae |
| Viola eximia | Stiefmütterchen Mazedonisches | Excellent Pansy | Violaceae |
| Viola ferrarinii | Stiefmütterchen Ferrarinis | Ferrarini's Pansy | Violaceae |
| Viola fragrans | Stiefmütterchen Duftendes | Fragrant Pansy | Violaceae |
| Viola frondosa | Stiefmütterchen Belaubtes | Leafy Pansy | Violaceae |
| Viola ganiatsiasii | Stiefmütterchen Ganiatsas' | Ganiatsas's Pansy | Violaceae |
| Viola gracilis | Stiefmütterchen Zierliches | Slender Pansy | Violaceae |
| Viola graeca | Stiefmütterchen Griechisches | Greek Pansy | Violaceae |
| Viola grisebachiana | Stiefmütterchen Grisebachs | Grisebach's Pansy | Violaceae |
| Viola heldreichiana | Stiefmütterchen Heldreichs | Heldreich's Pansy | Violaceae |
| Viola herzogii | Veilchen Herzogs | Herzog's Pansy | Violaceae |
| Viola hirta | Veilchen Raues | Hairy Violet | Violaceae |
| Viola hispida | Veilchen Steifhaariges | Hispid Violet | Violaceae |
| Viola hymettia | Stiefmütterchen Hymettos | Mt. Hymettos Pansy | Violaceae |
| Viola ivonis | Stiefmütterchen Ivos | Ivo's Pansy | Violaceae |
| Viola jaubertiana | Veilchen Jauberts | Jaubert's Violet | Violaceae |
| Viola jooi | Veilchen Rumänisches | Transilvanian Violet | Violaceae |
| Viola jordanii | Veilchen Jordans | Jordan's Violet | Violaceae |
| Viola kopaonikensis | Stiefmütterchen Kopaonik | Kopaonik Pansy | Violaceae |
| Viola kitaibeliana | Stiefmütterchen Kleines | Duby's Pansy | Violaceae |
| Viola kosaninii | Veilchen Kosanins | Kosanins Violet | Violaceae |
| Viola lactea | Veilchen Milchweißes | Milkwhite Violet | Violaceae |
| Viola langeana | Stiefmütterchen Langes | Lange's Pansy | Violaceae |
| Viola laricicola | Veilchen Lärchenwald | Larchwood Violet | Violaceae |
| Viola lutea | Stiefmütterchen Gelbes | Mountain Pansy | Violaceae |
| Viola magellensis | Stiefmütterchen Majella | Majella Pansy | Violaceae |
| Viola mercurii | Stiefmütterchen Merkur | Mercury Pansy | Violaceae |
| Viola merxmuelleri | Stiefmütterchen Merxmüllers | Merxmueller's Pansy | Violaceae |
| Viola mirabilis | Veilchen Wunder | Wonder Violet | Violaceae |
| Viola montcaunica | Stiefmütterchen Moncayo | Sierra de Moncayo Pansy | Violaceae |
| Viola munbyana | Stiefmütterchen Munbys | Munby's Pansy | Violaceae |
| Viola nebrodensis | Stiefmütterchen Madonie | Nebrodi Pansy | Violaceae |
| Viola nummulariifolia | Stiefmütterchen Pfennigblättriges | Money- leaf Pansy | Violaceae |
| Viola odorata | Veilchen März | Sweet Violet | Violaceae |
| Viola oligyrtia | Stiefmütterchen Oligirtos | Oligirtos Pansy | Violaceae |
| Viola orbelica | Stiefmütterchen Orbelisches | Orbelian Pansy | Violaceae |
| Viola orphanidis | Stiefmütterchen Orphanides' | Orphanides's Pansy | Violaceae |
| Viola palustris | Veilchen Sumpf | Marsh Violet | Violaceae |
| Viola parnonia | Stiefmütterchen Parnon | Mt. Parnon Pansy | Violaceae |
| Viola parvula | Stiefmütterchen Kleines | Small Pansy | Violaceae |
| Viola perinensis | StiefmütterchenPirin | Pirin Pansy | Violaceae |
| Viola phitosiana | Stiefmütterchen Phitos' | Phitos's Pansy | Violaceae |
| Viola pinnata | Veilchen Fiederblättriges | Finger- leaved Violet | Violaceae |
| Viola poetica | StiefmütterchenDichter | Poet's Pansy | Violaceae |
| Viola pseudaetolica | Stiefmütterchen Falsches Ätolisches | False Aetolian Pansy | Violaceae |
| Viola pseudogracilis | Stiefmütterchen Falsches Zierliches | False Slender Pansy | Violaceae |
| Viola pseudograeca | Stiefmütterchen Olymp | Mt. Olympos Pansy | Violaceae |
| Viola pumila | Veilchen Niedriges | Meadow Violet | Violaceae |
| Viola pyrenaica | Veilchen Pyrenäen | Pyrenean Violet | Violaceae |
| Viola rauliniana | Stiefmütterchen Raulins | Raulin's Pansy | Violaceae |
| Viola rausii | Stiefmütterchen Raus' | Raus's Pansy | Violaceae |
| Viola reichenbachiana | Veilchen Wald | Early Dog Violet | Violaceae |
| Viola riviniana | Veilchen Hain | Rivinus's Violet | Violaceae |
| Viola roccabrunensis | Stiefmütterchen Roquebrune | Roquebrune Pansy | Violaceae |
| Viola rupestris | Veilchen Sand | Teesdale Violet | Violaceae |
| Viola ruppii | Veilchen Berg | Heath Dog Violet | Violaceae |
| Viola samothracica | Stiefmütterchen Samothraki | Samothraki Pansy | Violaceae |
| Viola saxatilis | Stiefmütterchen Felsen | Rock Pansy | Violaceae |
| Viola schariensis | Stiefmütterchen Sarplanisches | Sar Planina Pansy | Violaceae |
| Viola schultzii | Veilchen Schultz' | Schultz's Violet | Violaceae |
| Viola scorpiuroides | Veilchen Skorpion | Scorpion Violet | Violaceae |
| Viola serresiana | Stiefmütterchen Serres' | Serres's Pansy | Violaceae |
| Viola sfikasiana | Stiefmütterchen Sfikas | Sfikas Pansy | Violaceae |
| Viola sieheana | Veilchen Siehes | Siehe's Violet | Violaceae |
| Viola slavikii | Stiefmütterchen Slawisches | Pansy | Violaceae |
| Viola sororia | Veilchen Pfingst | Common Blue Violet | Violaceae |
| Viola suavis | Veilchen Blaues | Russian Violet | Violaceae |
| Viola stagnina | Veilchen Graben | Fen Violet | Violaceae |
| Viola stojanowii | Stiefmütterchen Stojanovs | Stojanov's Pansy | Violaceae |
| Viola striis- notata | Stiefmütterchen Gestreiftes | Striped Pansy | Violaceae |
| Viola thomasiana | Veilchen Schweizer | Thomas's Violet | Violaceae |
| Viola tineorum | Stiefmütterchen Tineos | Tineo's Pansy | Violaceae |
| Viola tricolor | Stiefmütterchen Dreifarbiges | Wild Pansy | Violaceae |
| Viola tricolor ssp. macedonica | Stiefmütterchen Mazedonische | Macedonian Pansy | Violaceae |
| Viola ucriana | Stiefmütterchen Ucrias | Ucria's Pansy | Violaceae |
| Viola uliginosa | Veilchen Moor | Bog Violet | Violaceae |
| Viola valderia | Veilchen Seealpen | Maritime Alps Pansy | Violaceae |
| Viola velutina | Stiefmütterchen Samt | Velvet Pansy | Violaceae |
| Viola voliotisii | Stiefmütterchen Voliotis' | Voliotis's Pansy | Violaceae |
| Viola vourinensis | Stiefmütterchen Vourinos | Vourinos Pansy | Violaceae |
| Viola willkommii | Veilchen Willkomms | Willkomm's Violet | Violaceae |
| Viola x bavarica | Veilchen Bayerisches | Bavarian Violet | Violaceae |
| Viola x cornuta | Hornveilchen Garten | Garden Pansy | Violaceae |
| Viola x erdneri | Veilchen Erdners | Erdner's Violet | Violaceae |
| Viola x gotlandica | Veilchen Gotländisches | Gotlandic Violet | Violaceae |
| Viola x intersita | Veilchen Baltisches | Baltic Violet | Violaceae |
| Viola x scabra | Veilchen Rauhes Bastard | Hairy BastardViolet | Violaceae |
| Viola x wittrockiana | Stiefmütterchen Garten | Garden Pansy | Violaceae |
| Viscaria alpina | Pechnelke Alpen | Alpine Catchfly | Caryophyllaceae |
| Viscaria asterias | Pechnelke Stern | Star Catchfly | Caryophyllaceae |
| Viscaria atropurpurea | Pechnelke Purpur | Purple Catchfly | Caryophyllaceae |
| Viscaria vulgaris | Pechnelke Gewöhnliche | Sticky Catchfly | Caryophyllaceae |
| Knorpelmöhre Langhaarige | Hairy Bullwort | Apiaceae | |
| Knorpelmöhre Zahnstocher | Toothpick Bullwort | Apiaceae | |
| Vitex agnus- castus | Mönchspfeffer Gewöhnlicher | Lilac Chastetree | Lamiaceae |
| Vitis labrusca | Weinbeere Fuchs | Fox Grape | Vitaceae |
| Vitis vinifera | Weinbeere Echte | Grape Vine | Vitaceae |
| 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 |
| Wisteria floribunda | Wisterie Japanische | Japanese Wisteria | Fabaceae |
| Wisteria sinensis | Wisterie Chinesische | Chinese Wisteria | Fabaceae |
| 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 |
| Wollemia nobilis | Wollemie | Wollemi Pine | Woodsiaceae |
| 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 |
| Zypresse Nootka | Nootka Cypress | Cupressaceae | |
| Xanthoselinum alsaticum | Haarstrang Elsässer | Alsatian Parseley | Apiaceae |
| Xanthoselinum venetum | Haarstrang Venezianer | Venetian Parseley | Apiaceae |
| Xatardia scabra | Xatardie Raue | Rough Xatardia | 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 |
| Zelkova abelicea | Sizilianische Kretische | Cretan Zelkova | Ulmaceae |
| Zelkova sicula | Sizilianische Zelkove | Sicilian Zelkova | Ulmaceae |
| 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 |
| Zygophyllum fabago | Jochblatt Bohnen | Syrian Beancaper | Zygophyllaceae |