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| scientific name | common name(s) | image gallery |
| Vernonia noveboracensis | New York ironweed | |
| Vernonia texana | Texas ironweed | |
| Vernonia ×guadalupensis | ||
| Veronica americana | American speedwell American Brooklime | |
| Veronica anagallis-aquatica | Water speedwell | |
| Veronica cusickii | Cusick's speedwell | |
| Veronica officinalis | Common gypsyweed Common Speedwell | |
| Veronica officinalis var. officinalis | Common gypsyweed | |
| Veronica peregrina | Neckweed American Speedwell Purslane Speedwell | |
| Veronica peregrina ssp. xalapensis | Hairy purslane speedwell | |
| Veronica scutellata | Skullcap speedwell | |
| Veronica serpyllifolia | Thymeleaf speedwell Thyme-leaf Speedwell | |
| Veronica serpyllifolia ssp. humifusa | Brightblue speedwel Brightblue speedwell | |
| Veronica wormskjoldii | Alpine Speedwell American alpine speedwell | |
| Veronicastrum virginicum | Culver's root | |
| Viburnum acerifolium | Mapleleaf viburnum Maple-leaf viburnum Arrow-wood Maple-leaf arrow-wood | |
| Viburnum dentatum | Southern arrowwood | |
| Viburnum edule | Squashberry Moosewood viburnum Few-flowered cranberry bush | |
| Viburnum ellipticum | Common viburnum | |
| Viburnum lantanoides | Hobblebush | |
| Viburnum lentago | Nannyberry Blackhaw Sweet viburnum Sheepberry | |
| Viburnum nudum | Possumhaw viburnum Possumhaw | |
| Viburnum nudum var. cassinoides | Withe-rod Witherod viburnum Possumhaw Wild raisin | |
| Viburnum nudum var. nudum | Possumhaw | |
| Viburnum obovatum | Small-leaf arrowwood Walter's viburnum | |
| Viburnum opulus | European cranberrybush | |
| Viburnum opulus var. americanum | American cranberry bush Highbush-cranberry American cranberrybush viburnum Cranberry viburnum | |
| Viburnum prunifolium | Blackhaw Smooth blackhaw Blackhaw viburnum Smooth blackhaw viburnum Stagbush | |
| Viburnum rafinesquianum | Downy arrowwood | |
| Viburnum recognitum | Southern arrowwood Northern Arrowwood | |
| Viburnum rufidulum | Rusty blackhaw viburnum Rusty blackhaw Southern blackhaw Downy viburnum | |
| Vicia americana | American vetch | |
| Vicia americana ssp. americana | American vetch | |
| Vicia americana ssp. minor | Mat vetch | |
| Vicia caroliniana | Carolina vetch | |
| Vicia floridana | Florida vetch | |
| Vicia ludoviciana | Louisiana vetch Deer Pea Vetch | |
| Vicia ludoviciana ssp. leavenworthii | Leavenworth's vetch | |
| Vicia ludoviciana ssp. ludoviciana | Louisiana vetch | |
| Vicia pulchella | Sweetclover vetch | |
| Vigna luteola | Hairypod cowpea Yellow Vigna | |
| Viguiera cordifolia | Heartleaf goldeneye | |
| Viguiera dentata | Sunflower goldeneye Plateau goldeneye Toothleaf goldeneye Goldeneye Chimalacate | |
| Viguiera parishii | Parish's goldeneye Shrubby goldeneye Nevada goldeneye | |
| Viguiera stenoloba | Resinbush Skeleton-leaf Goldeneye | |
| Villadia squamulosa | Rat's-tail Succulent | |
| Viola adunca | Hooked-spur violet Western Blue Violet Western Dog Violet | |
| Viola adunca var. adunca | Hookedspur violet | |
| Viola affinis | Sand violet Pale early violet | |
| Viola aurea | Golden violet | |
| Viola beckwithii | Beckwith's violet Western Pansy Violet | |
| Viola bicolor | Field pansy | |
| Viola blanda | Sweet white violet | |
| Viola blanda var. palustriformis | Sweet white violet | |
| Viola canadensis | Canadian white violet | |
| Viola canadensis var. canadensis | Canadian white violet | |
| Viola canadensis var. rugulosa | Canadian white violet Creepingroot violet | |
| Viola cucullata | Blue marsh violet Marsh blue violet | |
| Viola douglasii | Douglas' golden violet | |
| Viola epipsila | Dwarf Marsh Violet | |
| Viola epipsila ssp. repens | Dwarf marsh violet | |
| Viola flettii | Olympic violet | |
| Viola glabella | Pioneer violet Smooth yellow violet | |
| Viola hallii | Oregon violet | |
| Viola hastata | Halberdleaf yellow violet | |
| Viola howellii | Howell's violet | |
| Viola labradorica | Alpine violet American dog violet | |
| Viola lanceolata | Lanceleaf violet Bog white violet | |
| Viola lanceolata ssp. lanceolata | Bog white violet | |
| Viola langsdorfii | Alaska violet Aleutian violet | |
| Viola lobata | Pine violet Yellow Wood Violet | |
| Viola macloskeyi | Small white violet Smooth white violet White mountain violet | |
| Viola macloskeyi ssp. pallens | Smooth white violet | |
| Viola missouriensis | Missouri violet | |
| Viola nephrophylla | Northern bog violet Wanderer violet | |
| Viola novae-angliae | New England blue violet | |
| Viola nuttallii | Nuttall's violet Yellow Prairie Violet | |
| Viola pedata | Birdfoot violet Bird’s-foot violet Bird-foot violet | |
| Viola pedatifida | Crow-foot violet Prairie violet | |
| Viola pedunculata | California golden violet Johnny jump-up Johnny-jump-up Wild pansy | |
| Viola praemorsa ssp. praemorsa | Canary violet | |
| Viola pubescens | Downy yellow violet | |
| Viola pubescens var. pubescens | Downy yellow violet Yellow violet Downy violet Smooth yellow violet | |
| Viola pubescens var. scabriuscula | Downy yellow violet | |
| Viola purpurea | Goosefoot violet | |
| Viola purpurea ssp. quercetorum | Goosefoot violet | |
| Viola renifolia | White violet | |
| Viola rostrata | Longspur violet Violette à long éperon | |
| Viola rotundifolia | Roundleaf yellow violet Round-leaved yellow violet | |
| Viola sagittata | Arrow-leaved violet Arrowleaf violet Violette sagittée | |
| Viola sagittata var. ovata | Arrowleaf violet | |
| Viola sagittata var. sagittata | Arrowleaf violet | |
| Viola selkirkii | Selkirk's violet | |
| Viola sempervirens | Evergreen violet | |
| Viola septemloba | Southern coastal violet | |
| Viola sheltonii | Shelton's violet | |
| Viola sororia | Missouri violet Common blue violet Hooded blue violet Florida violet Meadow violet | |
| Viola striata | Striped cream violet Striped violet | |
| Viola triloba | Three-lobe Violet | |
| Viola trinervata | Desert pansy Rainier violet Sagebrush violet | |
| scientific name | common name(s) | image gallery |