• Delairea odorata German Ivy
  
• Digitalis purpurea Foxglove
  
• Dipsacus fullonum Wild Teasel
  
• Drosera anglica Sundew, Great
  
• Drosera intermedia Oblond-leaved Sundew
  
• Drosera rotundifolia Round-leaved Sundew
  
• Dryas octopetala Mountain Avens
  
• Echium vulgare Viper's Bugloss
  
• Elodea canadensis Canadian pondweed
  
• Empetrum nigrum Crowberry
  
• Epilobium brunnescens New-Zealand Willowherb
  
• Epilobium hirsutum Great Willowherb
  
• Epilobium montanum Willowherb, Broad-leaved
  
• Epilobium obscurum Short-fruited Willowherb
  
• Epilobium palustre Marsh Willowherb
  
• Epilobium parviflorum Hoary Willowherb
  
• Epipactis atrorubens Dark-red helleborine
  
• Epipactis helleborine Broad-leaved helleborine
  
• Epipactis palustris Marsh helleborine
  
• Erica cinerea Bell Heather
  
• Erica tetralix Cross-leaved Heather
  
• Erigeron acer Blue Fleabane
  
• Erinus alpinus Fairy Foxglove
  
• Eriocaulon aquaticum Pipewort
  
• Erodium cicutarium Common Stork's-bill
  
• Erodium moschatum Musk Stork's-bill
  
• Erophila verna Whitlowgrass, Common
  
• Eryngium maritimum Sea Holly
  
• Erysimum cheiranthoides Treacle-mustard
  
• Euonymus europaeus Spindle-tree
  
• Eupatorium cannabinum Hemp Agrimony
  
• Euphorbia exigua Dwarf Spurge
  
• Euphorbia helioscopia Spurge, Sun
  
• Euphorbia paralias Sea Spurge
  
• Euphorbia peplus Petty Spurge
  
• Euphorbia portlandica Spurge, Portland
  
• Euphrasia anglica Eyebright
  
• Euphrasia arctica Eyebright
  
• Euphrasia confusa Eyebright
  
• Euphrasia micrantha Eyebright
  
• Euphrasia nemorosa Eyebright
  
• Euphrasia pseudokerneri Eyebright
  
• Euphrasia rostkoviana Eyebright
  
• Euphrasia salisburgensis Eyebright
  
• Euphrasia scottica Eyebright
  
• Euphrasia tetraquetra Eyebright
  
• Fagus sylvatica Beech
  
• Fallopia convolvulus Black Bindweed
  
• Fallopia japonica knotweed, Japanese
  
• Filipendula ulmaria Meadowsweet