Tricholoma sp.
Trichomanes speciosum
Killarney Fern
Trichophorum germanicum
Deergrass
Trifolium arvense
Hare's-foot Clover
Trifolium campestre
Hop Trefoil
Trifolium dubium
Lesser Trefoil
Trifolium fragiferum
Strawberry Clover
Trifolium hybridum
Alsike Clover
Trifolium medium
Zigzag Clover
Trifolium micranthum
Slender Trefoil
Trifolium ochroleucon
Sulphur Clover
Trifolium pratense
Red Clover
Trifolium repens
White Clover
Trifolium scabrum
Rough Clover
Triglochin maritima
Sea Arrowgrass
Triglochin palustris
Marsh Arrowgrass
Trinia glauca
Honewort
Tripleurospermum inodorum
Scentless Mayweed
Tripleurospermum maritimum
Sea Mayweed
Tripolium pannonicum
Sea Aster
Tristagma uniflorum
Spring Starflower
Trocdaris verticillata
Whorled Caraway
Trollius europaeus
Globeflower
Tubaria furfuracea
Tuberaria guttata
Spotted Rock-rose
Tulipa sylvestris
Wild Tulip
Tussilago farfara
Colt's-foot
Typha angustifolia
Lesser Bulrush
Typha latifolia
Bulrush
Ulex europaeus
Gorse
Ulex gallii
Western Gorse
Ulmus glabra
Wych Elm
Ulmus minor
Small-leaved Elm
Ulmus minor agg
Small-leaved Elm
Ulmus procera
English Elm
Umbilicaria deusta
Navel Lichen
Umbilicus rupestris
Navelwort
Unknown Alga
Unknown fungus
Urophora cardui
Canada thistle gall fly
Urtica dioica
Common Nettle
Urtica urens
Small Nettle
Usnea articulata
String-of-sausage lichen
Usnea florida
Usnea fragilescens
Utricularia intermedia
Intermediate Bladderwort
Utricularia minor
Lesser Bladderwort
Utricularia vulgaris
Greater Bladderwort
Vaccinium myrtillus
Bilberry
Vaccinium oxycoccos
Cranberry
Vaccinium vitis-idaea
Cowberry
Valeriana dioica
Marsh Valerian
Valeriana officinalis
Common Valerian
Valerianella carinata
Keeled-fruited Cornsalad
Valerianella eriocarpa
Hairy-fruited Cornsalad
Valerianella locusta
Common Cornsalad
Valerianella sp.
Vankya ornithogali
Vascellum pratense
Verbascum lychnitis
White Mullein
Verbascum nigrum
Dark Mullein
Verbascum thapsus
Great Mullein
Verbascum virgatum
Twiggy Mullein
Verbena bonariensis
Argentinian Vervain
Verbena officinalis
Vervain
Veronica anagallis-aquatica
Blue Water-Speedwell
Veronica arvensis
Wall Speedwell
Veronica beccabunga
Brooklime
Veronica catenata
Pink Water-Speedwell
Veronica chamaedrys
Germander Speedwell