Latein Tr - Ty
| Trachelium asperuloides | Halskraut Waldmeister | Asperula- like Throatwort | Campanulaceae |
| Trachelium caeruleum | Halskraut Blaues | Blue Throatwort | Campanulaceae |
| Trachelium jacquinii | Halskraut Jacquins | Jaquin's Throatwort | Campanulaceae |
| Trachelospermum jasminoides | Sternjasmin Chinesischer | Star Jasmine | Apocynaceae |
| Trachomitum sarmatiense | Hundsgift Sarmartisches | Sarmatian Dogsbane | Apocynaceae |
| Trachomitum venetum | Hundsgift Venezianisches | Sword- leaf Dogsbane | Apocynaceae |
| Trachycarpus fortunei | Hanfpame Chinesische | Chinese Windmill Palm | Arecaceae |
| Trachystemon orientalis | Rauling Östlicher | Abraham-Isaac-Jacob | Boraginaceae |
| Tradescantia fluminensis | Dreimasterblume Rio | Garden Spiderwort | Commelinaceae |
| Tradescantia ohiensis | Dreimasterblume Ohio | Ohio Spiderwort | Commelinaceae |
| Tradescantia pallida | Dreimasterblume Mexikanische | Mexican Spiderwort | Commelinaceae |
| Tradescantia sillamontana | Dreimasterblume Haarige | Cobweb Spiderwort | Commelinaceae |
| Tradescantia subaspera | Dreimasterblume Zick- Zack | Zigzag Spiderwort | Commelinaceae |
| Tradescantia virginiana | Dreimasterblume Virginische | Virginia Spiderwort | Commelinaceae |
| Tradescantia zebrina | Dreimasterblume Silberstreifen | Zebra- striped Spiderwort | Commelinaceae |
| Tradescantia x andersoniana | Dreimasterblume Garten | Garden Spiderwort | Commelinaceae |
| Traunsteinera globosa | Kugelorchis Rosa | Globe Orchid | Orchidaceae |
| Tragopogon angustifolius | Bocksbart Schmalblättriger | Narrow- leaved Goat's Beard | Asteraceae |
| Tragopogon balcanicus | Bocksbart Balkan | Balkan Goat's Beard | Asteraceae |
| Tragopogon castellanus | Bocksbart Kastilischer | Castilian Goat's-Beard | Asteraceae |
| Tragopogon cazorlanum | Bocksbart Cazorla | Cazorla Goat's-Beard | Asteraceae |
| Tragopogon crocifolius | Bocksbart Balkan | Saffron-Leaved Goat's-Beard | Asteraceae |
| Tragopogon dubius | Bocksbart Großer | Western Goat's-Beard | Asteraceae |
| Tragopogon floccosus | Bocksbart Wolliger | Wooly Goat's-Beard | Asteraceae |
| Tragopogon hayekii | Bocksbart Hayeks | Hayek's Goat's-Beard | Asteraceae |
| Tragopogon hybridus | Bocksbart Bastard | Bastard Goat's-Beard | Asteraceae |
| Tragopogon lainzii | Bocksbart Lainz' | Lainz's Goat's-Bear | Asteraceae |
| Tragopogon lassithicus | Bocksbart Lassithi | Lassithi Goat's Beard | Asteraceae |
| Tragopogon longifolius | Bocksbart Langblättriger | Long- leaved Goat's Beard | Asteraceae |
| Tragopogon minor | Bocksbart Kleinköpfiger | Yellow Goat's-Beard | Asteraceae |
| Tragopogon orientalis | Bocksbart Orientalischer | Showy Goat's-Beard | Asteraceae |
| Tragopogon porrifolius | Bocksbart Lauchblättriger | Salsify, Vegetable Oyster | Asteraceae |
| Tragopogon pratensis | Bocksbart Wiesen | Meadow Goat's-Beard | Asteraceae |
| Tragopogon pterodes | Bocksbart Flügelfrüchtiger | Wing- fruited Goat's Beard | Asteraceae |
| Tragopogon samaritani | Bocksbart Samaritanis | Samaritani's Goat's Beard | Asteraceae |
| Tragopogon tommasinii | Bocksbart Tommasini | Tommasini's Goat's Beard | Asteraceae |
| Tragus racemosus | Klettengras Traubiges | Stalked Bur Grass | Poaceae |
| Trapa natans | Wassernuss Gewöhnliche | Water Chestnut | Lythraceae |
| Tribulus terrestris | Burzeldorn Erd | Puncturevine | Zygophyllaceae |
| Trientalis europaea | Siebenstern Europäischer | Chickweed Wintergreen | Primulaceae |
| Trifolium affine | Klee Ägäischer Hasen- | Aegean Rabbitfoot Clover | Fabaceae |
| Trifolium alexandrinum | Klee Alexandriner | Egyptian Clover | Fabaceae |
| Trifolium alpestre | Klee Hügel | Purple Globe Clover | Fabaceae |
| Trifolium alpinum | Klee Westalpen | Alpine Clover | Fabaceae |
| Trifolium andricum | Klee Andros | Andros Clover | Fabaceae |
| Trifolium angulatum | Klee Winkel | Angled Clover | Fabaceae |
| Trifolium angustifolium | Klee Schmalblättriger | Small- leaved Clover | Fabaceae |
| Trifolium argutum | Klee Scharfzähniger | Sharp- toothed Clover | Fabaceae |
| Trifolium arvense | Klee Hasen | Rabbitfoot Clover | Fabaceae |
| Trifolium aureum | Klee Gold | Golden Clover | Fabaceae |
| Trifolium badium | Klee Braun | Brown Clover | Fabaceae |
| Trifolium barbeyi | Klee Barbeys | Barbey's Clover | Fabaceae |
| Trifolium bivonae | Klee Bivonas | Bivona's Clover | Fabaceae |
| Trifolium bocconei | Klee Boccones | Boccone's Clover | Fabaceae |
| Trifolium boissieri | Klee Boissiers | Boissier's Clover | Fabaceae |
| Trifolium brutium | Klee Kalabrischer | Calabrian Clover | Fabaceae |
| Trifolium campestre | Klee Feld | Field Clover | Fabaceae |
| Trifolium caudatum | Klee Geschwänzter | Caudate Clover | Fabaceae |
| Trifolium cernuum | Klee Nickender | Nodding Clover | Fabaceae |
| Trifolium cherleri | Klee Cherlers | Cherler's Clover | Fabaceae |
| Trifolium clusii | Klee Clusius' | Annual Strawberry Clover | Fabaceae |
| Trifolium clypeatum | Klee Helm | Helmet Clover | Fabaceae |
| Trifolium congestum | Klee Kopfiger | Crowded Clover | Fabaceae |
| Trifolium constantinopolitanum | Klee Konstantinopel | Constantinople Clover | Fabaceae |
| Trifolium dalmaticum | Klee Dalmatischer | Dalmatian Clover | Fabaceae |
| Trifolium dasyurum | Klee Östlicher Stein- | Eastern Star Clover | Fabaceae |
| Trifolium diffusum | Klee Ausgebreiteter | Diffuse Clover | Fabaceae |
| Trifolium dolopium | Klee Dolopischer | Dolopian Clover | Fabaceae |
| Trifolium dubium | Klee Kleiner | Suckling Clover | Fabaceae |
| Trifolium echinatum | Klee Igel | Hedgehog Clover | Fabaceae |
| Trifolium fragiferum | Klee Erdbeer | Strawberry Clover | Fabaceae |
| Trifolium gemellum | Klee Spanischer | Spanish Clover | Fabaceae |
| Trifolium glanduliferum | Klee Drüsiger | Glandular Clover | Fabaceae |
| Trifolium globosum | Klee Kugel | Globe Clover | Fabaceae |
| Trifolium glomeratum | Klee Knäuel | Clustered Clover | Fabaceae |
| Trifolium grandiflorum | Klee Großblütiger | Large- flowered Hop Clover | Fabaceae |
| Trifolium heldreichianum | Klee Heldreichs | Heldreich's Clover | Fabaceae |
| Trifolium hirtum | Klee Rosenfarbiger | Rose Clover | Fabaceae |
| Trifolium hybridum | Klee Schweden | Alsike Clover | Fabaceae |
| Trifolium incarnatum | Klee Inkarnat | Crimson Clover | Fabaceae |
| Trifolium infamia- ponertii | Klee Ponerts | Ponert's Clover | Fabaceae |
| Trifolium isthmocarpum | Klee Schmalfrüchtiger | Moroccan Clover | Fabaceae |
| Trifolium lappaceum | Klee Kletten | Bur Clover | Fabaceae |
| Trifolium latinum | Klee Römischer | Roman Clover | Fabaceae |
| Trifolium leucanthum | Klee Fahlblütiger | Pale- flowered Clover | Fabaceae |
| Trifolium ligusticum | Klee Ligurischer | Ligurian Clover | Fabaceae |
| Trifolium lucanicum | Klee Lukanischer | Lucanian Clover | Fabaceae |
| Trifolium medium | Klee Mittlerer | Zigzag Clover | Fabaceae |
| Trifolium michelianum | Klee Michelis | Micheli's Clover | Fabaceae |
| Trifolium micranthum | Klee Kleinster | Slender Hop Clover | Fabaceae |
| Trifolium montanum | Klee Berg | Sulphur Mountain | Fabaceae |
| Trifolium multistriatum | Klee Vielstreifiger | Many- striped Clover | Fabaceae |
| Trifolium mutabile | Klee Veränderlicher | Variable Clover | Fabaceae |
| Trifolium nigrescens | Klee Schwärzlicher | Small White Clover | Fabaceae |
| Trifolium nivale | Klee Schnee | Snow Clover | Fabaceae |
| Trifolium noricum | Klee Norischer | Cream Clover | Fabaceae |
| Trifolium obscurum | Klee Fragwürdiger | Doubtful Clover | Fabaceae |
| Trifolium occidentale | Klee Westlicher | Western Clover | Fabaceae |
| Trifolium ochroleucon | Klee Blassgelber | Sulphur Clover | Fabaceae |
| Trifolium ornithopodioides | Klee Vogelfuß | Bird Clover | Fabaceae |
| Trifolium ottonis | Klee Ottos | Otto's Clover | Fabaceae |
| Trifolium pallescens | Klee Bleicher | Pale Clover | Fabaceae |
| Trifolium pallidum | Klee Weißlicher | Whitish Clover | Fabaceae |
| Trifolium pamphylicum | Klee Pamphylischer | Pamphylian Clover | Fabaceae |
| Trifolium pannonicum | Klee Ungarischer | Hungarian Clover | Fabaceae |
| Trifolium parnassi | Klee Parnassos | Parnassos Clover | Fabaceae |
| Trifolium patens | Klee Spreiz | Southern Hop Clover | Fabaceae |
| Trifolium patulum | Klee Abstehender | Spreading Clover | Fabaceae |
| Trifolium pauciflorum | Klee Wenigblütiger | Few- flowered Clover | Fabaceae |
| Trifolium petrisavii | Klee Savis | Savi's Clover | Fabaceae |
| Trifolium phleoides | Klee Lieschgras | Phleum- like Clover | Fabaceae |
| Trifolium phitosianum | Klee Phitos | Phitos' Clover | Fabaceae |
| Trifolium physodes | Klee Aufgeblasener | Bladder Clover | Fabaceae |
| Trifolium pignantii | Klee Pignants | Pignant's Clover | Fabaceae |
| Trifolium pilczii | Klee Pilczs | Pilcz's Clover | Fabaceae |
| Trifolium pilulare | Klee Baumwoll | Ball Cotton Clover | Fabaceae |
| Trifolium praetermissum | Klee Vernachlässigter | Neglected Clover | Fabaceae |
| Trifolium pratense | Klee Wiesen | Red Clover | Fabaceae |
| Trifolium purpureum | Klee Purpur | Purple Clover | Fabaceae |
| Trifolium rechingeri | Klee Rechingers | Rechinger's Clover | Fabaceae |
| Trifolium repens | Klee Weiß | White Clover | Fabaceae |
| Trifolium resupinatum | Klee Persischer | Reversed Clover | Fabaceae |
| Trifolium retusum | Klee Kleinblütiger | Teasel Clover | Fabaceae |
| Trifolium rubens | Klee Fuchsschwanz | Ornamental Clover | Fabaceae |
| Trifolium saxatile | Klee Stein | Rock Clover | Fabaceae |
| Trifolium scabrum | Klee Rauer | Rough Clover | Fabaceae |
| Trifolium scutataum | Klee Schild | Shield Clover | Fabaceae |
| Trifolium sebastiani | Klee Kalabrischer | Calabrian Clover | Fabaceae |
| Trifolium setiferum | Klee Borstiger | Bristle Clover | Fabaceae |
| Trifolium spadiceum | Klee Moor | Large Brown Clover | Fabaceae |
| Trifolium spumosum | Klee Mittelmeer | Mediterranean Clover | Fabaceae |
| Trifolium squamosum | Klee Küsten | Sea Clover | Fabaceae |
| Trifolium squarrosum | Klee Sparriger | Squarrose Clover | Fabaceae |
| Trifolium stellatum | Klee Stern | Star Clover | Fabaceae |
| Trifolium striatum | Klee Gestreifter | Knotted Clover | Fabaceae |
| Trifolium strictum | Klee Steifer | Upright Clover | Fabaceae |
| Trifolium subterraneum | Klee Bodenblütiger | Subterreanean Clover | Fabaceae |
| Trifolium suffocatum | Klee Schmächtiger | Suffocated Clover | Fabaceae |
| Trifolium sylvaticum | Klee Wald | Wood Clover | Fabaceae |
| Trifolium tenuifolium | Klee Dünnblättriger | Thin- leaved Clover | Fabaceae |
| Trifolium thalii | Klee Thals | Thal's Clover | Fabaceae |
| Trifolium tomentosum | Klee Filziger | Wooly Clover | Fabaceae |
| Trifolium trichopterum | Klee Haarflügeliger | Hair- winged Clover | Fabaceae |
| Trifolium uniflorum | Klee Einblütiger | Oneflower Clover | Fabaceae |
| Trifolium velebiticum | Klee Velebit | Velebit Clover | Fabaceae |
| Trifolium velenovskyi | Klee Velenovskys | Velenovsky's Clover | Fabaceae |
| Trifolium vesiculosum | Klee Blasiger | Arrowleaf Clover | Fabaceae |
| Trifolium wettsteinii | Klee Wettsteins | Wettstein's Clover | Fabaceae |
| Trifolium xanthium | Klee Gelblicher | Yellowish Clover | Fabaceae |
| Triglochin barrelieri | Dreizack Barrieliers | Barrelier's Arrowgrass | Juncaginaceae |
| Triglochin laxiflora | Dreizack Lockerblütiger | Lax- flowered Arrowgrass | Juncaginaceae |
| Triglochin maritima | Dreizack Strand | Seaside Arrowgrass | Juncaginaceae |
| Triglochin palustris | Dreizack Sumpf | Marsh Arrowgrass | Juncaginaceae |
| Triglochin scilloides | Dreizack Scillaähnlicher | Flowering Quillwort | Juncaginaceae |
| Triglochin striata | Dreizack Gestreifter | Three- rib Arrowgrass | Juncaginaceae |
| Trigonella balansae | Bocksdornklee Balansas | Balansa's Fenugreek | Fabaceae |
| Trigonella caerulea | Bocksdornklee Blauer | Blue Fenugreek | Fabaceae |
| Trigonella cariensis | Bocksdornklee Ägäischer | Aegean Fenugreek | Fabaceae |
| Trigonella cephalotes | Bocksdornklee Kopfiger | Large flower- headed Fenugreek | Fabaceae |
| Trigonella corniculata | Bocksdornklee Gehörnter | Horned Fenugreek | Fabaceae |
| Trigonella foenum- graecum | Bocksdornklee Griechischer | Sicklefruit Fenugreek | Fabaceae |
| Trigonella gladiata | Bocksdornklee Schwert | Sword Fenugreek | Fabaceae |
| Trigonella maritima | Bocksdornklee Strand | Sea Fenugreek | Fabaceae |
| Trigonella monspeliaca | Schneckenklee Montpellier | Montpellier Medick | Fabaceae |
| Trigonella polyceratia | Schneckenklee Vielhörniger | Many- horned Medick | Fabaceae |
| Trigonella procumbens | Bocksdornklee Niederliegender | Trailing Fenugreek | Fabaceae |
| Trigonella rechingeri | Bocksdornklee Rechingers | Rechinger's Fenugreek | Fabaceae |
| Trigonella rotundifolia | Bocksdornklee Rundblättriger | Bluish Fenugreek | Fabaceae |
| Trigonella smyrnaea | Bocksdornklee Smyrna | Smyrna Fenugreek | Fabaceae |
| Trigonella spicata | Bocksdornklee Ähriger | Spiked Fenugreek | Fabaceae |
| Trigonella spinosa | Bocksdornklee Dorniger | Spiny Fenugreek | Fabaceae |
| Trigonella spruneriana | Bocksdornklee Spruners | Spruner's Fenugreek | Fabaceae |
| Trigonella strangulata | Bocksdornklee Eingeschnürter | Strangulate Fenugreek | Fabaceae |
| Trigonella velutina | Bocksdornklee Samtiger | Velvet Fenugreek | Fabaceae |
| Trinia castroviejoi | Faserschirm Castroviejos | Castroviejo's Honewort | Apiaceae |
| Trinia dalechampii | Faserschirm Dalechamps | Dalechamp's Honewort | Apiaceae |
| Trinia dufourii | Faserschirm Dufours | Dufour's Honewort | Apiaceae |
| Trinia frigida | Faserschirm Kälteliebender | Frigid Honewort | Apiaceae |
| Trinia glauca ssp. carniolica | Faserschirm Krainer | Carniolian Honewort | Apiaceae |
| Trinia glauca ssp. glauca | Faserschirm Blaugrüner | Bluegreen Honewort | Apiaceae |
| Trinia glauca ssp. pindica | Faserschirm Pindos | Pindos Honewort | Apiaceae |
| Trinia guicciardii | Faserschirm Guicciardis | Guicciardi's Honewort | Apiaceae |
| Trinia hispida | Faserschirm Borstiger | Hispid Honewort | Apiaceae |
| Trinia kitaibelii | Faserschirm Ungarischer | Hungarian Honewort | Apiaceae |
| Tripleurospermum caucasicum | Strandkamille Rosa | Pink Mayweed | Asteraceae |
| Tripleurospermum conoclinium | Strandkamille Kegelbödige | Cone- receptacle Mayweed | Asteraceae |
| Tripleurospermum inodorum | Strandkamille Geruchlose | Scentless Mayweed | Asteraceae |
| Tripleurospermum maritimum | Strandkamille Küsten | Sea Mayweed | Asteraceae |
| Tripleurospermum oreades | Strandkamille Oreaden | Oread Mayweed | Asteraceae |
| Tripleurospermum rosellum | Strandkamille Rosa | Pink Mayweed | Asteraceae |
| Tripleurospermum tempskyanum | Strandkamille Tempskys | Tempsky's Mayweed | Asteraceae |
| Tripleurospermum tenuifolium | Strandkamille Schmalblättrige | Narrow- leaved Mayweed | Asteraceae |
| Tripodion tetraphyllum | Wundklee Blasen | Bladder Kidney Vetch | Fabaceae |
| Tripolium pannonicum | Salzaster Pannonische | Hungarian Sea- Aster | Asteraceae |
| Tritonia crocata | Tritonie Safranfarbene | Mossel Bay Tritonia | Iridaceae |
| Trocdaris verticillatum | Kümmel Quirlblättriger | Whorled Caraway | Fabaceae |
| Trochiscanthes nodiflora | Knotenblütige Radblüte | Knot- flowered Trochiscanthes | Fabaceae |
| Trollius europaeus | Trollblume Europäische | European Globeflower | Ranunculaceae |
| Tuberaria acuminata | Sonnenröschen Zugespitztes | Acuminate Rock- Rose | Cistaceae |
| Tuberaria brevipes | Sonnenröschen Kurzstängeliges | Short- stemmed Rock- Rose | Cistaceae |
| Tuberaria commutata | Sonnenröschen Verwechseltes | Confused Rock- Rose | Cistaceae |
| Tuberaria echioides | Sonnenröschen Natternkopf | Echium- like Rock- Rose | Cistaceae |
| Tuberaria globulariifolia | Sonnenröschen Kugelblumenblättriges | Globularia- leaved Rock- Rose | Cistaceae |
| Tuberaria guttata | Sonnenröschen Geflecktes | Spotted Rock- Rose | Cistaceae |
| Tuberaria lignosa | Sonnenröschen Verholztes | Woody Rock- Rose | Cistaceae |
| Tuberaria macrosepala | Sonnenröschen Großkelchiges | Large- calyx Rock- Rose | Cistaceae |
| Tuberaria plantaginea | Sonnenröschen Wegerichblättriges | Plantago- leaved Rock- Rose | Cistaceae |
| Tuberaria praecox | Sonnenröschen Frühblühendes | Early Rock- Rose | Cistaceae |
| Tulbaghia violacaea | Kaplilie Knoblauchs | Society Garlic | Alliacaea |
| Tulipa agenensis | Tulpe Agen | Agen Tulip | Liliaceae |
| Tulipa albanica | Tulpe Albanische | Albanian Tulip | Liliaceae |
| Tulipa bakeri | Tulpe Bakers | Baker's Tulip | Liliaceae |
| Tulipa biflora | Tulpe Zweiblütige | Two- flowered Tulip | Liliaceae |
| Tulipa bithynica | Tulpe Bithynische | Bithynian Tulip | Liliaceae |
| Tulipa clusiana | Tulpe Damen | Lady Tulip | Liliaceae |
| Tulipa clusiana var. chrysantha | Tulpe Gelbe Damen | Yellow Lady Tulip | Liliaceae |
| Tulipa cretica | Tulpe Kretische | Cretan Tulip | Liliaceae |
| Tulipa doerfleri | Tulpe Dörflers | Doerfler's Tulip | Liliaceae |
| Tulipa gesneriana | Tulpe Garten | Goulimi's Tulip | Liliaceae |
| Tulipa goulimyi | Tulpe Goulimis | Goulimi's Tulip | Liliaceae |
| Tulipa hageri | Tulpe Hagers | Hager's Tulip | Liliaceae |
| Tulipa hungarica ssp. hungarica | Tulpe Ungarische | Danube Tulip | Liliaceae |
| Tulipa hungarica ssp. rhodopea | Tulpe Rhodopen | Danube Tulip | Liliaceae |
| Tulipa kosovarica | Tulpe Kosovo | Kosovo Tulip | Liliaceae |
| Tulipa luanica | Tulpe Luanas | Luana's Tulip | Liliaceae |
| Tulipa orphanidea | Tulpe Orphanides' | Orphanides's Tulip | Liliaceae |
| Tulipa praecox | Tulpe Frühe | Early- flowering Tulip | Liliaceae |
| Tulipa saxatilis | Tulpe Felsen | Candia Tulip | Liliaceae |
| Tulipa scardica | Tulpe Balkan | Balkan Tulip | Liliaceae |
| Tulipa serbica | Tulpe Serbische | Serbian Tulip | Liliaceae |
| Tulipa sylvestris | Tulpe Wilde | Late Tulip | Liliaceae |
| Tulipa tarda | Tulpe Zwergstern | Late Tulip | Liliaceae |
| Tulipa undulatifolia | Tulpe Gewelltblättrige | Undulate- leaved Tulip | Liliaceae |
| Turgenia latifolia | Breitblättrige Turgenie | Greater Bur Parsley | Apiaceae |
| Typha angustifolia | Rohrkolben Schmalblättriger | Narrow- leaved Cat's- tail | Typhaceae |
| Typha domingensis | Rohrkolben Südlicher | Southern Cat's- tail | Typhaceae |
| Typha latifolia | Rohrkolben Breitblättriger | Broad- leaved Cat's- tail | Typhaceae |
| Typha laxmannii | Rohrkolben Laxmanns | Laxann's Cats- tail | Typhaceae |
| Typha minima | Rohrkolben Zwerg | Dwarf Cat's- tail | Typhaceae |
| Typha shuttleworthii | Rohrkolben Shuttlewoths | Shuttlewoth's Cat's- tail | Typhaceae |