| Vipers Bugloss | ECHIUM VULGARE |
| Violet, Common Dog | VIOLA RIVINIANA |
| Violet, Sweet | VIOLA ODORATA |
| Water Dock | RUMEX HYDROLAPATHUM |
| Water Figwort | SCROPHULARIA AURICULATA |
| Watercress | NASTURTIUM OFFICINALE |
| Waterlily, White | NYMPHAEA ALBA |
| Waterlily, Yellow. Brandybottle. | NUPHAR LUTEA |
| Wayfaring Tree | VIBURNUM LANTANA |
| Weld | RESEDA LUTEOLA |
| Welsh Poppy | MECONOPSIS CAMBRICA |
| White Bryony | BRYONIA DIOICA |
| Wild Carrot | DAUCUS CAROTA |
| Wild Privet | LIGUSTRUM VULGARE |
| Wild Service Tree | SORBUS TORMINALIS |
| Wild Strawberry | FRAGARIA VESCA |
| Willow, Crack | SALIX FRAGILIS |
| Willlow, Goat | SALIX CAPREA |
| Willowherb, Great | EPILOBIUM HIRSUTUM |
| Willowherb, Rosebay | EPILOBIUM ANGUSTIFOLIUM |
| Wood Anemone or Windflower | ANEMONE NEMOROSA |
| Wood Avens | GEUM URBANUM |
| Yarrow | ACHILLEA MILLEFOLIUM |
| Yellow Archangel | LAMIUM GLAEOBDOLON |
| Yellow flag | IRIS PSEUDACORUS |
| Yellow Toadflax | LINARIA VULGARIS |
| Yellow Wort | BLACKSTONIA PERFOLIATA |
| Yew | TAXUS BACCATA |