T * 
* Tabouret à pétales courts
* Tabouret des bois
* Tabouret des champs
* Tabouret perfolié
* Tabouret, (Short-petalled)
* Tacconet
* Tamier
* Tanacetum corymbosum
* Tanacetum parthenium
* Tanacetum vulgare
* Tanaisie
* Tansy
* Taraxacum erythrospermum
* Taraxacum officinale
* Tare, Hairy
* Tare, Smooth
* Tarragon
* Tassel Hyacinth
* Taxus baccata
Te * * Teasel
* Teesdalia nudicaulis
* Teesdalie à tige nue
* Téléphium d'Imperato
* Telephium imperati
* Tephroseris helenitis var. helenitis
* Teucrium aureum
* Teucrium botrys
* Teucrium chamaedrys
* Teucrium montanum
* Teucrium rouyanum
* Teucrium scorodonia
Th * * Thalictrum aquilegiifolium
* Thalictrum minus subsp. saxatile
* Thalictrum simplex subsp. simplex
* Thapsia nestleri
* Thé d'Aubrac
* Thesium alpinum
* Thésium des Alpes
* Thésium des Pyrénées
* Thésium divariqué
* Thesium humifusum subsp. divaricatum
* Thesium pyrenaicum subsp. pyrenaicum
* Thistle [blackening]
* Thistle, Brook
* Thistle, Carline
* Thistle, Creeping
* Thistle, Distaff
* Thistle, Dwarf blue
* Thistle, Italian
* Thistle, Marsh
* Thistle, Musk
* Thistle, Scotch, Cotton thistle
* Thistle, Slender
* Thistle, Spear
* Thistle, Stemless
* Thistle, Tuberous
* Thistle, Woolly
* Thistle, Yellow melancholy
* Thlaspi arvense
* Thorn Apple
* Thrift, Gerard's
* Thrift, Jersey
* Thym
* Thym basilic
* Thym des dolomies
* Thym faux petit-chêne
* Thym luisant (Cévenol)
* Thyme
* Thyme, (Cévenol)
* Thyme, (Dolomite)
* Thyme, [Variable hairy]
* Thyme, Larger Wild
* Thymélée des Alpes
* Thymus dolomiticus
* Thymus nitens
* Thymus pseudochamaedrys
* Thymus pulegioides var. pulegioides
* Thymus vulgaris
Ti * * Tilia platyphyllos
* Tilia tomentosa
* Tilleul à larges feuilles
* Tilleul argenté
* Timothy
To * * Toadflax, (Marjoram-leaved)
* Toadflax, (Red-leaved)
* Toadflax, Common
* Toadflax, Ivy-leaved
* Toadflax, Long-spurred
* Toadflax, Pale
* Toadflax, Pellisseriana
* Toadflax, Simple
* Toadflax, Small
* Tolpis umbellata
* Tolpis, European milkwort
* Tomate
* Tomato
* Toothwort
* Toothwort, Purple
* Topinambour (m.)
* Toque bleue
* Tordyle élevé
* Tordylium maximum
* Tor-grass
* Torilis africana var. heterophylla
* Torilis arvensis subsp. arvensis
* Torilis des champs
* Torilis faux-cerfeuil
* Torilis japonica
* Torilis pourpre
* Tormentil
* Tormentille
* Torminalis glaberrima
* Tournesol
* Town Hall Clock
* Tozzia alpina
* Tozzie des Alpes
Tr * * Tractema lilio-hyacinthus
* Tragopogon crocifolius
* Tragopogon dubius
* Tragopogon porrifolius
* Tragopogon pratensis subsp. orientalis
* Traveller's-joy
* Tree of Heaven
* Trèfle aggloméré
* Trèfle bâtard
* Trèfle blanc
* Trèfle cultivé
* Trèfle de montagne
* Trefle de Perse
* Trèfle d'eau
* Trèfle des Alpes
* Trèfle des champs
* Trèfle des prés
* Trèfle élégant
* Trèfle en spadice
* Trèfle flexueux
* Trèfle fraisier
* Trèfle incarnat
* Trèfle incarnat sauvage
* Trèfle jaunâtre
* Trèfle noircissant
* Trèfle prostré
* Trèfle raide
* Trèfle rouge
* Trèfle scabre
* Trèfle souterrain
* Trèfle strié
* Trefoil, Hop
* Trefoil, Lesser Yellow
* Trefoil, Soft
* Tremble
Tri * * Trichophorum cespitosum subsp. cespitosum (L.)
* Trifolium alpinum
* Trifolium arvense
* Trifolium campestre
* Trifolium dubium
* Trifolium fragiferum
* Trifolium glomeratum
* Trifolium hybridum var. elegans
* Trifolium hybridum var. hybridum
* Trifolium incarnatum var. incarnatum
* Trifolium incarnatum var. molinerii
* Trifolium medium
* Trifolium montanum subsp. montanum
* Trifolium nigrescens
* Trifolium ochroleucon
* Trifolium pratense var. pratense
* Trifolium pratense var. sativum
* Trifolium repens var. biasolettii
* Trifolium repens var. repens
* Trifolium resupinatum
* Trifolium rubens
* Trifolium scabrum subsp. scabrum
* Trifolium spadiceum
* Trifolium striatum
* Trifolium strictum
* Trifolium subterraneum
* Trigonella gladiata
* Trigonelle à fruits en glaive
* Trigonelle de Montpellier
* Trinia glauca
* Trinia glauque
* Tripleurospermum inodorum
* Trisetum flavescens subsp. flavescens
* Triticale
* Triticale
* Triticum aestivum subsp. aestivum
* Triticum aestivum subsp. aestivum
* Triticum aestivum subsp. spelta
* Triticum monococcum
* Triticum turgidum subsp. durum
* Trocdaris verticillatum
* Troène
* Troène
* Trolle d'Europe
* Trollius europaeus
Tu * * Tuberaria guttata
* Tue-chien
* Tulip, Southern Wild
* Tulip, Wild
* Tulipa sylvestris subsp. australis
* Tulipa sylvestris subsp. sylvestris
* Tulipe sylvestre
* Turpetine tree
* Turritis glabra
* Tussilago farfara
* Twayblade
* Twayblade, Lesser
* Twisted Stalk
* Typha latifolia
U * * Ulex europaeus subsp. europaeus
* Ulex minor
* Ulmus glabra
* Ulmus laevis
* Ulmus minor
* Umbilicus rupestris
* Urosperme de Daléchamps
* Urospermum dalechampii
* Urtica dioica
* Urtica urens
* Utriculaire citrine
* Utriculaire commune
* Utricularia neglecta
* Utricularia vulgaris
V * * Vaccinium microcarpum
* Vaccinium myrtillus
* Vaccinium uliginosum subsp. microphyllum
* Vaccinium vitis-idaea
* Valerian, (Elder-leaved)
* Valerian, Annual
* Valerian, Common
* Valerian, Dioecious
* Valerian, Mauve
* Valerian, Red
* Valerian, Three-leaved
* Valerian, Tuberous
* Valeriana dioica
* Valeriana officinalis subsp. sambucifolia
* Valeriana officinalis var. officinalis
* Valeriana tripteris
* Valeriana tuberosa
* Valériane à feuilles de sureau
* Valériane à petites feuilles
* Valeriane à trois folioles
* Valériane dioique
* Valériane rouge (lilas d'espagne)
* Valeriane tubéreuse
* Valerianella dentata
* Valerianella eriocarpa
* Valerianella locusta
Ve * * Vendangeuse
* Venus looking-glass, Large
* Veratrum album
* Verbascum boerhavii
* Verbascum chaixii
* Verbascum lychnitis
* Verbascum nigrum
* Verbascum pulverulentum
* Verbascum thapsus subsp. thapsus
* Verbena officinalis
* Verge d'or
* Vergerette
* Vergerette de Sumatra
* Veronica anagallis-aquatica
* Veronica arvensis
* Veronica beccabunga
* Veronica chamaedrys
* Veronica cymbalaria
* Veronica dillenii
* Veronica hederifolia
* Veronica officinalis
* Veronica persica
* Veronica satureiifolia
* Veronica scutellata
* Veronica serpyllifolia subsp. serpyllifolia
* Veronica spicata
* Veronica teucrium
* Veronica triphyllos
* Veronica verna subsp. verna
* Veronique à écussons
* Véronique à feuilles de lierre
* Véronique à feuilles de serpolet
* Véronique à feuilles trilobées
* Veronique commun
* Véronique cymbalaire (f.)
* Véronique de Dillen
* Véronique de Perse
* Véronique de Scheerer
* Véronique des champs
* Véronique en épi
* Véronique germandrée
* Véronique petit-chêne
* Véronique printanière
* Vervain
* Verveine sauvage
Ves * * Vesce à 4 graines
* Vesce à épis
* Vesce à feuilles étroites (gousses noir)
* Vesce à folioles tenues
* Vesce à gros fruits
* Vesce bâtarde
* Vesce de Russie
* Vesce des haies (f)
* Vesce des moissons
* Vesce d'Hongrie
* Vesce fausse-gesse
* Vesce faux-sainfoin
* Vesce hérissée
* Vesce jaune
* Vesce orobe
* Vesce velue
* Vetch, (Hungarian)
* Vetch, Bitter
* Vetch, Bush
* Vetch, Common
* Vetch, Crown
* Vetch, felted
* Vetch, Fine-leaved
* Vetch, Fodder
* Vetch, Hairy
* Vetch, Hairy Yellow
* Vetch, Horseshoe
* Vetch, Large-seeded
* Vetch, Narrow-leaved
* Vetch, Spring
* Vetch, Toothed
* Vetch, Tufted
* Vetch, Yellow
* Vetchling, Brown
* Vetchling, Cirrhose
* Vetchling, Grass
* Vetchling, Meadow
* Vetchling, Red
* Vetchling, Round-seeded
* Vetchling, Yellow
Vi * * Viburnum lantana
* Viburnum opulus
* Viburnum tinus
* Vicia angustifolia
* Vicia cracca
* Vicia dasycarpa
* Vicia hybrida
* Vicia lathyroides
* Vicia lens
* Vicia lutea subsp. lutea
* Vicia macrocarpa
* Vicia onobrychioides
* Vicia orobus
* Vicia pannonica
* Vicia segetalis
* Vicia sepium
* Vicia serratifolia
* Vicia tenuifolia
* Vicia villosa
* Vigne
* Vigne vierge vraie
* Vinca major
* Vinca minor
* Vincetoxicum hirundinaria
* Vine, Grape
* Vine, Russian (Silver-laced)
Vio * * Viola alba
* Viola arvensis
* Viola canina subsp. canina
* Viola hirta
* Viola lutea
* Viola odorata
* Viola palustris
* Viola reichenbachiana
* Viola riviniana
* Viola rupestris
* Viola tricolor subsp. tricolor
* Violet, [White]
* Violet, Common dog
* Violet, Early dog
* Violet, Hairy
* Violet, Heath Dog
* Violet, Marsh
* Violet, Sweet
* Violet, Teesdale
* Violette blanche
* Violette de Rivin
* Violette des bois
* Violette des chiens
* Violette des marais
* Violette des rochers
* Violette des Vosges
* Violette hérissée
* Violette odorante
* Viorne mancienne
* Viorne obier
Vip * * Vipérine vulgaire
* Viper's Bugloss
* Vipersgrass, Cut-leafed
* Vipersgrass, Dwarf
* Vipersgrass, Purple
* Virginia creeper
* Viscaria vulgaris
* Viscum album subsp. album
* Vitis riparia
Vu * * Vulnéraire
* Vulpia bromoides
* Vulpia ciliata subsp. ciliata
* Vulpia myuros
* Vulpia unilateralis
* Vulpie ciliée
* Vulpie queue-de-rat
* Vulpin des champs
W * * Wallflower
* Wallflower Cabbage
* Walnut
* Water Crowfoot, Hair-leaved
* Water Crowfoot, Rigid-leaved
* Water Melon
* Water purslane
* Watercress
* Water-cress, Fools
* Waterlily, Yellow
* Waterlily, Yellow
* Water-milfoil, Alternate-leaved
* Water-pepper
* Water-plantain, Floating
* Waterwort, six-stamened
* Wayfaring Tree
* Weasel's Snout
* Wellingtonia; Redwood, Giant
* Wheat
* Wheat, Durum
* Wheat, Einkorn
* White Ball Mustard
* White False Helleborine
* White Lace-flower
* Whitebeam
* White-Elm, European
* Whitlow Grass, Spring
* Whitlow Grass, Wall
* Whitlow Grass, Yellow
Wi * * Willow, Almond
* Willow, Bay
* Willow, Crack
* Willow, Creeping
* Willow, Downy
* Willow, Goat, Great Sallow
* Willow, Grey-leaved
* Willow, Olive
* Willow, Purple
* Willow, Round-leaved
* Willow, White
* Willow-herb, (Hill)
* Willow-herb, (of Lamy)
* Willow-herb, [Rosemary-leaved]
* Willow-herb, Broad leafed
* Willow-herb, Great Hairy
* Willow-herb, Marsh
* Willow-herb, Rosebay
* Willow-herb, Short-fruited
* Willow-herb, Small flowered
* Willow-herb, Small Spear-leaved
* Willow-herb, Square-stalked
* Winter Cress
* Winter Cress, Intermediate
* Winter Cress, Spring
* Wintergreen, Nodding
* Wintergreen, one-flowered
* Wintergreen, Pale-green
* Wintergreen, Round-leaved
* Wintergreen, Small
Wo * * Woad
* Wolfsbane
* Wolfsbane, Healing
* Woodruff, Blue
* Woodruff, Dyer's
* Woodruff, Sweet
* Woodrush, (Yellowish)
* Woodrush, Densely-flowered
* Woodrush, Field
* Woodrush, Fosters
* Woodrush, Greater
* Woodrush, Heath
* Woodrush, Lesser Hairy
* Woodrush, Snowy
* Wormwood, Chinese
* Wormwood, Field
* Woundwort, Alpine
* Woundwort, Wood
* Woundwort, Yellow
X * * Xanthium orientale subsp. italicum
* Xéranthème fermé
* Xeranthemum inapertum
Y * * Yarrow
* Yarrow, Fragrant
* Yellow Rattle, (Mediterranean)
* Yellow Rattle, Common
* Yellow Rattle, European
* Yellow-cress, (Wood)
* Yellow-cress, Great
* Yellow-cress, Pyrennean
* Yellow-wort
* Yew
* Yorkshire fog
Z * * Ziziphora acinos