Click on a common name for a photo of the plant, or click on a letter for names beginning with that letter.
| Wall-cress |
Arabidopsis thaliana |
| Wallpepper |
Sedum acre |
| Walnut, Black |
Juglans nigra |
| Water-crowfoot, Yellow |
Ranunculus flabellaris |
| Water-hemlock, Spotted |
Cicuta maculata |
| Water-parsnip, Hemlock |
Sium suave |
| Water-plantain, Broadleaf |
Alisma subcordatum |
| Water-starwort, Large |
Callitriche heterophylla |
| Watercress |
Nasturtium officinale |
| Waterleaf, Eastern |
Hydrophyllum virginianum |
| Waterlily |
Nymphaea odorata subsp. odorata |
| Wax-myrtle |
Morella cerifera |
| Whitlow Grass |
Draba verna |
| Wild-ginger, Canada |
Asarum canadense var. canadense |
| Willow, Black |
Salix nigra |
| Willow, Goat |
Salix caprea |
| Willow, Weeping |
Salix babylonica |
| Willowherb, Purple-leaf |
Epilobium coloratum |
| Wineberry |
Rubus phoenicolasius |
| Wingstem |
Verbesina alternifolia |
| Wintergreen, Spotted |
Chimaphila maculata |
| Wisteria, Chinese |
Wisteria sinensis |
| Witch-hazel, American |
Hamamelis virginiana var. virginiana |
| Wood-fern, Marginal |
Dryopteris marginalis |
| Wood-nettle, Canada |
Laportea canadensis |
| Woodrush, Hedgehog |
Luzula echinata |
| Woodsia, Blunt-lobe |
Woodsia obtusa subsp. obtusa |
| Woodsorrel, Creeping |
Oxalis corniculata |
| Woodsorrel, Southern Yellow |
Oxalis dillenii |
| Woodsorrel, Upright Yellow |
Oxalis stricta |
| Woodsorrel, Violet |
Oxalis violacea |
| Wormwood, Annual |
Artemisia annua |
| Wormwood, Sagebrush |
Artemisia ludoviciana |
| Wormwood, Vulgar |
Artemisia vulgaris |