Torilis japonica
Upright Hedge-parsley
Trichomanes speciosum
Killarney Fern
Trichophorum germanicum
Deergrass
Trifolium campestre
Hop Trefoil
Trifolium dubium
Lesser Trefoil
Trifolium medium
Zigzag Clover
Trifolium micranthum
Slender Trefoil
Trifolium scabrum
Rough Clover
Triglochin maritima
Sea Arrowgrass
Triglochin palustris
Marsh Arrowgrass
Trinia glauca
Honewort
Tripleurospermum inodorum
Scentless Mayweed
Tripleurospermum maritimum
Sea Mayweed
Trollius europaeus
Globeflower
Tuberaria guttata
Spotted Rock-rose
Tussilago farfara
Colt's-foot
Typha angustifolia
Lesser Bulrush
Typha latifolia
Bulrush
Ulex europaeus
Gorse
Ulex gallii
Western Gorse
Umbilicus rupestris
Navelwort
Urtica dioica
Common Nettle
Usnea fragilescens
Utricularia minor
Lesser Bladderwort