Wildflower Species by Common Name
- Agrimony, Downy
- Agrimony, Swamp
- Agrimony, Tall hairy
- Agrimony, Woodland
- Allegheny blackberry
- Allegheny hawkweed
- Allegheny monkey flower
- Alumroot, American
- Amaranth, Spiny
- American alumroot
- American beautyberry
- American bugleweed
- American burnweed
- American germander
- American pennyroyal
- American water-horehound
- American water-willow
- American white water-lily
- Anemone, Rue
- Anemone, Wood
- Aniseroot
- Annual fleabane
- Appalachian phacelia
- Arbutus, Trailing
- Arrow-leaf tearthumb
- Arrow-leaf violet
- Arrowhead, Broadleaf
- Arrowhead, Common
- Ashy sunflower
- Asiatic dayflower
- Asiatic false hawksbeard
- Asiatic tearthumb
- Aster, Calico
- Aster, Late purple
- Aster, New England
- Aster, Panicled
- Aster, Purple-stemmed
- Aster, Small white
- Aster, Smooth blue
- Aster, Smooth white oldfield
- Aster, Spreading
- Aster, Swamp
- Aster, Toothed whitetop
- Aster, White wood
- Aunt Lucy
- Avens, Cream
- Avens, Spring
- Avens, White
- Azure bluet
- Baby's-breath, Low
- Bachelor's button
- Basil, Wild
- Bastard toadflax
- Beaked cornsalad
- Bear corn
- Beardtongue, Eastern gray
- Beardtongue, Eastern smooth
- Beardtongue, Foxglove
- Beardtongue, Hairy
- Beautyberry, American
- Bedstraw, Blunt-leaf
- Bedstraw, Common
- Bedstraw, Hairy
- Bedstraw, Hedge
- Bedstraw, Licorice
- Bedstraw, Piedmont
- Bedstraw, Shining
- Bedstraw, Stiff marsh
- Bedstraw, Three-flowered
- Bee balm
- Bee balm, Spotted
- Beechdrops
- Beefsteak plant
- Beggarticks, Common
- Beggarticks, Devil's
- Beggarticks, Nodding
- Beggarticks, Purple-stem
- Beggarticks, Smooth
- Beggarticks, Tickseed
- Bellwort, Perfoliate
- Bergamot, Wild
- Biennial gaura
- Big-root morning glory
- Bindweed, Field
- Bindweed, Hedge
- Bird's-eye speedwell
- Bird's-foot trefoil
- Bird's-foot violet
- Bitter dock
- Bitter wintercress
- Bittercress, Bulbous
- Bittercress, Hairy
- Bittercress, Pennsylvania
- Bittersweet nightshade
- Black cohosh
- Black medic
- Black raspberry
- Black-eyed susan
- Blackberry lily
- Blackberry, Allegheny
- Blackberry, Himalayan
- Blackberry, Pennsylvania
- Bladder campion
- Bladderwort, Swollen
- Blazing star, Grass-leaf
- Blazing star, Scaly
- Blood milkwort
- Bloodroot
- Blue cohosh
- Blue curls
- Blue field madder
- Blue mistflower
- Blue vervain
- Blue waxweed
- Blue-eyed grass, Narrow-leaf
- Blue-eyed grass, Needle-tip
- Blue-eyed grass, Stout
- Bluebells, Virginia
- Bluet, Azure
- Bluet, Long-leaf
- Bluet, Purple
- Bluet, Tiny
- Blunt-leaf bedstraw
- Blunt-leaf waterleaf
- Bog yellow-eyed grass
- Boneset, Common
- Boneset, Upland
- Bouncing Bet
- Bristly buttercup
- Broad-leaf helleborine
- Broadleaf arrowhead
- Broomrape, Naked
- Brown-eyed susan
- Buckwheat
- Bugle, Carpet
- Bugleweed
- Bugleweed, American
- Bulbous bittercress
- Bulbous buttercup
- Bull thistle
- Bur-marigold, Nodding
- Bur-marigold, Smooth
- Burdock, Common
- Burnweed, American
- Bush-clover, Chinese
- Bush-clover, Creeping
- Bush-clover, Slender
- Bush-clover, Trailing
- Bush-clover, Violet
- Bushy seedbox
- Buttercup, Bristly
- Buttercup, Bulbous
- Buttercup, Hooked
- Buttercup, Little-leaf
- Butterfly milkweed
- Buttonweed, Rough
- Buttonweed, Virginia
- Caley pea
- Calico aster
- Campion, Bladder
- Campion, Starry
- Campion, White
- Canada Saint John's wort
- Canada deadnettle
- Canada mayflower
- Canada thistle
- Canada violet
- Cancer-root
- Cardinal flower
- Carolina cranesbill
- Carolina elephant's foot
- Carolina horsenettle
- Carolina rose
- Carolina wild petunia
- Carpet bugle
- Carpet-weed
- Catnip
- Celandine, Greater
- Celandine, Lesser
- Chamomile, Corn
- Changing forget-me-not
- Cheerful sunflower
- Chervil, Hairy-fruit
- Chervil, Southern
- Chickweed, Common
- Chickweed, Field
- Chickweed, Mouse-ear
- Chickweed, Star
- Chickweed, Sticky
- Chicory
- Chinese bush-clover
- Chinese chives
- Chives, Chinese
- Cinquefoil, Common
- Cinquefoil, Dwarf
- Cinquefoil, Norwegian
- Cinquefoil, Rough
- Cinquefoil, Rough-fruited
- Cinquefoil, Sulphur
- Clasping Venus' looking-glass
- Cleavers
- Clematis, Sweet autumn
- Climbing dayflower
- Climbing hempvine
- Climbing hempweed
- Clover, Golden
- Clover, Hare's-foot
- Clover, Japanese
- Clover, Korean
- Clover, Rabbit-root
- Clover, Red
- Clover, White
- Clover, White sweet
- Clover, Yellow sweet
- Clustered mountain-mint
- Cohosh, Black
- Cohosh, Blue
- Coltsfoot
- Columbine, Wild
- Comfrey, Wild
- Common St. John's wort
- Common arrowhead
- Common bedstraw
- Common beggarticks
- Common blue violet
- Common boneset
- Common burdock
- Common chickweed
- Common cinquefoil
- Common cornsalad
- Common dandelion
- Common dewberry
- Common dittany
- Common dogbane
- Common evening primrose
- Common fleabane
- Common goldstar
- Common groundsel
- Common gypsyweed
- Common mallow
- Common milkweed
- Common mugwort
- Common mullein
- Common quickweed
- Common ragweed
- Common self heal
- Common sneezeweed
- Common speedwell
- Common star-of-bethlehem
- Common stitchwort
- Common sunflower
- Common teasel
- Common three-seeded mercury
- Common vetch
- Common viper's bugloss
- Coneflower, Cut-leaf
- Coneflower, Gray-headed
- Coneflower, Orange
- Coneflower, Purple
- Coneflower, Yellow
- Coreopsis, Lance-leaf
- Coreopsis, Plains
- Coreopsis, Thread-leaf
- Corn chamomile
- Corn gromwell
- Corn speedwell
- Cornsalad, Beaked
- Cornsalad, Common
- Corydalis, Yellow
- Coville's phacelia
- Cow-wheat
- Crabweed, Hairy
- Cranefly orchid
- Cranesbill, Carolina
- Cranesbill, Cut-leaf
- Cranesbill, Dissected
- Cranesbill, Small-flower
- Cream avens
- Creamy violet
- Creeper, Trumpet
- Creeping Charlie
- Creeping Jenny
- Creeping bush-clover
- Creeping phlox
- Creeping water-primrose
- Cress, Mouse-ear
- Cress, Purple
- Cress, Shepherd's
- Cress, Spring
- Crown vetch
- Crownbeard, Yellow
- Cucumber-root, Indian
- Curly dock
- Curlyheads
- Cut-leaf coneflower
- Cut-leaf cranesbill
- Cut-leaf teasel
- Cutleaf toothwort
- Daisy, False
- Daisy, Oxeye
- Daisy, Peruvian
- Dame's rocket
- Dandelion
- Dandelion, Common
- Dayflower, Asiatic
- Dayflower, Climbing
- Dayflower, Virginia
- Deadnettle, Canada
- Deadnettle, Henbit
- Deadnettle, Purple
- Deptford pink
- Devil's beggarticks
- Dewberry, Common
- Dewberry, Swamp
- Disc mayweed
- Dissected cranesbill
- Dittany, Common
- Dock, Bitter
- Dock, Curly
- Dog rose
- Dogbane, Common
- Dogbane, Spreading
- Dotted smartweed
- Dovefoot geranium
- Downy agrimony
- Downy lobellia
- Downy rattlesnake-plantain
- Downy skullcap
- Downy sunflower
- Downy yellow violet
- Drooping star-of-bethlehem
- Dutchman's breeches
- Dwarf St. John's wort
- Dwarf cinquefoil
- Dwarf ginseng
- Dwarf larkspur
- Dwarf-dandelion, Potato
- Dwarf-dandelion, Weedy
- Early blue violet
- Early forget-me-not
- Early meadow-rue
- Early saxifrage
- Eastern black nightshade
- Eastern daisy fleabane
- Eastern gray beardtongue
- Eastern shooting star
- Eastern smooth beardtongue
- Elephant's foot, Carolina
- Eupatorium, Late
- European stinging nettle
- Evening primrose, Common
- Evening primrose, Meadow
- Evening primrose, Showy
- Everlasting pea
- Everlasting, Sweet
- False Solomon's-seal
- False daisy
- False hawksbeard, Asiatic
- False hawksbeard, Oriental
- False nettle
- False pimpernel
- False sunflower
- False-foxglove, Purple
- Few-flower tick-trefoil
- Field bindweed
- Field chickweed
- Field forget-me-not
- Field madder
- Field madder, Blue
- Field milkwort
- Field mustard
- Field pansy
- Field pepperweed
- Field pussytoes
- Field thistle
- Flat-topped goldenrod
- Fleabane, Annual
- Fleabane, Common
- Fleabane, Eastern daisy
- Fleabane, Lesser daisy
- Fleabane, Philadelphia
- Fleabane, Rough
- Floating primrose-willow
- Flowering spurge
- Foamflower, Heartleaf
- Forget-me-not, Changing
- Forget-me-not, Early
- Forget-me-not, Field
- Forget-me-not, Large-seed
- Forget-me-not, Spring
- Forget-me-not, Strict
- Four-leaf milkweed
- Foxglove beardtongue
- Fragrant water-lily
- Fringed loosestrife
- Frogfruit, Lance-leaf
- Fumewort, Incised
- Fuzzybean, Pink
- Garden phlox
- Garden vetch
- Garlic mustard
- Garlic, Meadow
- Garlic, Wild
- Gaura, Biennial
- Gentian, Marsh rose
- Gentian, Rose
- Geranium, Dovefoot
- Geranium, Wild
- Gerardia, Smooth
- Germander, American
- Ghost plant
- Giant ragweed
- Ginger, Wild
- Ginseng, Dwarf
- Golden clover
- Golden club
- Golden ragwort
- Golden saxifrage
- Golden tickseed
- Goldenrod, Flat-topped
- Goldenrod, Grass-leaf
- Goldenrod, Stiff
- Goldstar, Common
- Goutweed
- Grass-leaf blazing star
- Grass-leaf goldenrod
- Gray field speedwell
- Gray-headed coneflower
- Great blue lobellia
- Greater celandine
- Greater hop-clover
- Greater periwinkle
- Green and gold
- Green fringed orchid
- Green milkweed
- Gromwell, Corn
- Gronovius' hawkweed
- Ground ivy
- Groundsel, Common
- Gypsyweed, Common
- Hairy beardtongue
- Hairy bedstraw
- Hairy bittercress
- Hairy crabweed
- Hairy hawkweed
- Hairy skullcap
- Hairy small-leaf tick-trefoil
- Hairy vetch
- Hairy-fruit chervil
- Harbinger of spring
- Hare's-foot clover
- Harlequin blue flag iris
- Harvest-lice
- Hawkweed, Allegheny
- Hawkweed, Gronovius'
- Hawkweed, Hairy
- Hawkweed, Meadow
- Hawkweed, Panicled
- Hawkweed, Rough
- Heal all
- Heartleaf foamflower
- Hedge bedstraw
- Hedge bindweed
- Hedgenettle, Hispid
- Helleborine, Broad-leaf
- Helmet flower
- Hemlock, Poison
- Hemp, Indian
- Hempvine, Climbing
- Hempweed, Climbing
- Henbit
- Henbit deadnettle
- Hepatica, Round-lobed
- Himalayan blackberry
- Hispid hedgenettle
- Hoary mountain-mint
- Hoary tick-trefoil
- Hog-peanut
- Hollow joe-pye weed
- Honewort
- Honeysuckle, Japanese
- Honeysuckle, Trumpet
- Hooked buttercup
- Hop-clover, Greater
- Hop-clover, Lesser
- Hop-clover, Low
- Hops, Japanese
- Horse balm
- Horsenettle, Carolina
- Horseweed
- Hyssop skullcap
- Hyssop, Yellow giant
- Hyssop-leaf thoroughwort
- Incised fumewort
- Indian cucumber-root
- Indian hemp
- Indian pipe
- Indian strawberry
- Indian tobacco
- Indian-plantain, Pale
- Iris, Harlequin blue flag
- Iris, Northern blue flag
- Iris, Pale yellow
- Iris, Yellow flag
- Ivy-leaf morning glory
- Ivy-leaf speedwell
- Ivy-leaved toadflax
- Jack in the pulpit
- Jacob's ladder
- Japanese clover
- Japanese honeysuckle
- Japanese hops
- Japanese mazus
- Jerusalem artichoke
- Jewelweed, Orange
- Jewelweed, Yellow
- Joe-pye weed, Hollow
- Joe-pye weed, Purple-node
- Joe-pye weed, Spotted
- Joe-pye weed, Sweet
- Joe-pye weed, Three-nerved
- Jumpseed
- Kenilworth ivy
- King of the meadow
- King-devil, Yellow
- Knapweed, Monckton's
- Knapweed, Spotted
- Knotweed, Prostrate
- Korean clover
- Ladies'-tresses, Slender
- Lady's slipper, Pink
- Lady's slipper, Yellow
- Lady's-thumb, Oriental
- Lance-leaf coreopsis
- Lance-leaf frogfruit
- Lance-leaf violet
- Large-flowered trillium
- Large-seed forget-me-not
- Larkspur, Dwarf
- Late eupatorium
- Late purple aster
- Late thoroughwort
- Leatherflower
- Lesser celandine
- Lesser daisy fleabane
- Lesser hop-clover
- Lesser periwinkle
- Lesser snakeroot
- Lettuce, Prickly
- Lettuce, Wild
- Lettuce, Willow-leaf
- Lettuce, Woodland
- Licorice bedstraw
- Lily, Blackberry
- Little-leaf buttercup
- Lizard's tail
- Lobellia, Downy
- Lobellia, Great blue
- Long-leaf bluet
- Loosestrife, Fringed
- Loosestrife, Purple
- Loosestrife, Whorled
- Lopseed
- Lousewort
- Low baby's-breath
- Low hop-clover
- Lyrate rockcress
- Lyreleaf sage
- Mallow, Common
- Marsh blue violet
- Marsh rose gentian
- Maryland meadow-beauty
- Mayapple
- Mayflower, Canada
- Mayweed, Disc
- Mazus, Japanese
- Meadow evening primrose
- Meadow garlic
- Meadow hawkweed
- Meadow-beauty, Maryland
- Meadow-beauty, Virginia
- Meadow-rue, Early
- Meadow-rue, Skunk
- Meadow-rue, Tall
- Meadow-rue, Waxy-leaf
- Medic, Black
- Michaux's saxifrage
- Midwestern tickseed sunflower
- Mild Waterpepper
- Milkweed, Butterfly
- Milkweed, Common
- Milkweed, Four-leaf
- Milkweed, Green
- Milkweed, Purple
- Milkweed, Swamp
- Milkweed, Whorled
- Milkwort, Blood
- Milkwort, Field
- Milkwort, Whorled
- Mint, Wild
- Mistflower, Blue
- Miterwort
- Mock strawberry
- Monckton's knapweed
- Monkey flower, Allegheny
- Monkey flower, Sharpwing
- Morning glory, Big-root
- Morning glory, Ivy-leaf
- Morning glory, Small white
- Moth mullein
- Motherwort
- Mountain-mint, Clustered
- Mountain-mint, Hoary
- Mountain-mint, Narrow-leaf
- Mountain-mint, Slender
- Mouse-ear chickweed
- Mouse-ear cress
- Mugwort, Common
- Mulberry weed
- Mullein, Common
- Mullein, Moth
- Mullein, Wooly
- Multiflora rose
- Musk thistle
- Mustard, Field
- Mustard, Garlic
- Naked broomrape
- Naked-flower tick-trefoil
- Narrow-leaf blue-eyed grass
- Narrow-leaf mountain-mint
- Narrow-leaf sundrops
- Narrow-leaf sunflower
- Narrow-leaf vervain
- Needle-tip blue-eyed grass
- Nettle, European stinging
- Nettle, False
- New England aster
- Nightshade, Bittersweet
- Nightshade, Eastern black
- Nodding beggarticks
- Nodding bur-marigold
- Nodding onion
- Northern blue flag iris
- Norwegian cinquefoil
- Obedient plant
- Onion, Nodding
- Onion, Wild
- Orange coneflower
- Orange jewelweed
- Orchid, Cranefly
- Orchid, Green fringed
- Orchid, Ragged fringed
- Orchis, Wild
- Oriental false hawksbeard
- Oriental lady's-thumb
- Oxeye
- Oxeye daisy
- Oxeye, Smooth
- Pale indian-plantain
- Pale touch-me-not
- Pale yellow iris
- Panicled aster
- Panicled hawkweed
- Pansy, Field
- Parlin's pussytoes
- Partridge pea
- Partridgeberry
- Pea, Caley
- Pea, Everlasting
- Peavine, Perennial
- Pencil flower
- Pennsylvania bittercress
- Pennsylvania blackberry
- Pennsylvania smartweed
- Pennycress, Roadside
- Pennyroyal, American
- Pennywort, Virginia
- Pepper and salt
- Peppergrass
- Pepperweed, Field
- Pepperweed, Virginia
- Perennial peavine
- Perfoliate bellwort
- Perilla
- Periwinkle, Greater
- Periwinkle, Lesser
- Persian speedwell
- Peruvian daisy
- Petunia, Carolina wild
- Phacelia, Appalachian
- Phacelia, Coville's
- Phacelia, Smallflower
- Philadelphia fleabane
- Phlox, Creeping
- Phlox, Garden
- Phlox, Summer
- Phlox, Wild blue
- Phlox, Woodland
- Pickerelweed
- Piedmont bedstraw
- Pilewort
- Pimpernel, False
- Pimpernel, Scarlet
- Pineapple weed
- Pink fuzzybean
- Pink lady's slipper
- Pink wild bean
- Pink, Deptford
- Pink, Rose
- Pink, Wild
- Plains coreopsis
- Platain-leaved pussytoes
- Plumeless thistle
- Poison hemlock
- Pokeweed
- Pond-lily, Yellow
- Poorjoe
- Potato dwarf-dandelion
- Potato vine, Wild
- Prairie sundrops
- Prickly lettuce
- Prickly sow-thistle
- Primrose-leaf violet
- Primrose-willow, Floating
- Prostrate knotweed
- Prostrate spurge
- Purple bluet
- Purple coneflower
- Purple cress
- Purple deadnettle
- Purple false-foxglove
- Purple loosestrife
- Purple milkweed
- Purple sneezeweed
- Purple-flowering raspberry
- Purple-headed sneezeweed
- Purple-node joe-pye weed
- Purple-stem beggarticks
- Purple-stemmed aster
- Purslane
- Pussytoes, Field
- Pussytoes, Parlin's
- Pussytoes, Platain-leaved
- Queen Anne's lace
- Quickweed, Common
- Rabbit tobacco
- Rabbit-root clover
- Ragged fringed orchid
- Ragweed, Common
- Ragweed, Giant
- Ragwort, Golden
- Ragwort, Round-lead
- Ragwort, Small's
- Ramps
- Raspberry, Black
- Raspberry, Purple-flowering
- Rattlesnake weed
- Rattlesnake-plantain, Downy
- Red clover
- Richweed
- Roadside pennycress
- Rockcress, Lyrate
- Rockcress, Smooth
- Rockcress, Spreading
- Rocket, Dame's
- Rocket, Yellow
- Rose gentian
- Rose pink
- Rose, Carolina
- Rose, Dog
- Rose, Multiflora
- Rose, Swamp
- Rosinweed, Starry
- Rough buttonweed
- Rough cinquefoil
- Rough fleabane
- Rough hawkweed
- Rough-fruited cinquefoil
- Round-lead ragwort
- Round-leaf thoroughwort
- Round-lobed hepatica
- Rue anemone
- Sage, Lyreleaf
- Saint John's wort, Canada
- Sand violet
- Sandwort, Thyme-leaved
- Sarsaparilla, Wild
- Saxifrage, Early
- Saxifrage, Golden
- Saxifrage, Michaux's
- Scaly blazing star
- Scarlet pimpernel
- Seedbox, Bushy
- Self heal, Common
- Sessile trillium
- Sharpwing monkey flower
- Shepherd's cress
- Shepherd's purse
- Shining bedstraw
- Shooting star, Eastern
- Short-fruited whitlow-grass
- Showy evening primrose
- Showy tick-trefoil
- Shrubby St. John's wort
- Skullcap, Downy
- Skullcap, Hairy
- Skullcap, Hyssop
- Skullcap, Veiny
- Skunk cabbage
- Skunk meadow-rue
- Slender bush-clover
- Slender ladies'-tresses
- Slender mountain-mint
- Slender toothwort
- Small white aster
- Small white morning glory
- Small's ragwort
- Small-flower cranesbill
- Small-leaf white snakeroot
- Smallflower phacelia
- Smartweed, Dotted
- Smartweed, Pennsylvania
- Smartweed, Swamp
- Smooth Solomon's-seal
- Smooth beggarticks
- Smooth blue aster
- Smooth bur-marigold
- Smooth gerardia
- Smooth oxeye
- Smooth rockcress
- Smooth white oldfield aster
- Snakeroot, Lesser
- Snakeroot, Small-leaf white
- Snakeroot, White
- Sneezeweed, Common
- Sneezeweed, Purple
- Sneezeweed, Purple-headed
- Soapwort
- Solomon's-seal, False
- Solomon's-seal, Smooth
- Southern chervil
- Southern wood violet
- Sow-thistle, Prickly
- Spanish needles
- Spatterdock
- Speedwell, Bird's-eye
- Speedwell, Common
- Speedwell, Corn
- Speedwell, Gray field
- Speedwell, Ivy-leaf
- Speedwell, Persian
- Speedwell, Thyme-leaf
- Spiderwort, Virginia
- Spiny amaranth
- Spoon-leaf sundew
- Spotted St. John's wort
- Spotted bee balm
- Spotted joe-pye weed
- Spotted knapweed
- Spotted spurge
- Spotted touch-me-not
- Spreading aster
- Spreading dogbane
- Spreading rockcress
- Spring avens
- Spring beauty, Virginia
- Spring cress
- Spring forget-me-not
- Spring whitlow-grass
- Spurge, Flowering
- Spurge, Prostrate
- Spurge, Spotted
- Squaw-root
- Squirrel corn
- St. Andrew's cross
- St. John's wort, Common
- St. John's wort, Dwarf
- St. John's wort, Shrubby
- St. John's wort, Spotted
- Star chickweed
- Star-of-bethlehem, Common
- Star-of-bethlehem, Drooping
- Stargrass, Yellow
- Starry campion
- Starry rosinweed
- Sticky chickweed
- Stiff goldenrod
- Stiff marsh bedstraw
- Stitchwort, Common
- Stonecrop, Stringy
- Stonecrop, Wild
- Storksbill
- Stout blue-eyed grass
- Strawberry, Indian
- Strawberry, Mock
- Strawberry, Wild
- Strict forget-me-not
- Stringy stonecrop
- Striped white violet
- Sulphur cinquefoil
- Summer phlox
- Sundew, Spoon-leaf
- Sundrops, Narrow-leaf
- Sundrops, Prairie
- Sunflower, Ashy
- Sunflower, Cheerful
- Sunflower, Common
- Sunflower, Downy
- Sunflower, False
- Sunflower, Midwestern tickseed
- Sunflower, Narrow-leaf
- Sunflower, Thin-leaf
- Sunflower, Woodland
- Swamp agrimony
- Swamp aster
- Swamp dewberry
- Swamp milkweed
- Swamp rose
- Swamp smartweed
- Sweet Annie
- Sweet Betsy
- Sweet autumn clematis
- Sweet cicely
- Sweet clover, White
- Sweet clover, Yellow
- Sweet everlasting
- Sweet joe-pye weed
- Sweet wormwood
- Swollen bladderwort
- Tall hairy agrimony
- Tall meadow-rue
- Tall thimbleweed
- Tall white violet
- Tearthumb, Arrow-leaf
- Tearthumb, Asiatic
- Teasel, Common
- Teasel, Cut-leaf
- Thimbleweed, Tall
- Thin-leaf sunflower
- Thistle, Bull
- Thistle, Canada
- Thistle, Field
- Thistle, Musk
- Thistle, Plumeless
- Thoroughwort, Hyssop-leaf
- Thoroughwort, Late
- Thoroughwort, Round-leaf
- Thoroughwort, Torrey's
- Thread-leaf coreopsis
- Three-flowered bedstraw
- Three-nerved joe-pye weed
- Three-seeded mercury, Common
- Thyme-leaf speedwell
- Thyme-leaved sandwort
- Tick-trefoil, Few-flower
- Tick-trefoil, Hairy small-leaf
- Tick-trefoil, Hoary
- Tick-trefoil, Naked-flower
- Tick-trefoil, Showy
- Tickseed beggarticks
- Tickseed, Golden
- Tickseed, Whorled
- Tiny bluet
- Toadflax, Bastard
- Toadflax, Ivy-leaved
- Toadshade
- Toothed whitetop aster
- Toothwort, Cutleaf
- Toothwort, Slender
- Torrey's thoroughwort
- Touch-me-not, Pale
- Touch-me-not, Spotted
- Trailing arbutus
- Trailing bush-clover
- Trailing wild bean
- Trefoil, Bird's-foot
- Trillium, Large-flowered
- Trillium, Sessile
- Trout-lily, White
- Trout-lily, Yellow
- Trumpet creeper
- Trumpet honeysuckle
- Trumpet vine
- Turtlehead, White
- Twinleaf
- Upland boneset
- Vasevine
- Veiny skullcap
- Velvetleaf
- Venus' looking-glass, Clasping
- Vervain, Blue
- Vervain, Narrow-leaf
- Vervain, White
- Vetch, Common
- Vetch, Crown
- Vetch, Garden
- Vetch, Hairy
- Vine, Trumpet
- Violet bush-clover
- Violet wood-sorrel
- Violet, Arrow-leaf
- Violet, Bird's-foot
- Violet, Canada
- Violet, Common blue
- Violet, Creamy
- Violet, Downy yellow
- Violet, Early blue
- Violet, Lance-leaf
- Violet, Marsh blue
- Violet, Primrose-leaf
- Violet, Sand
- Violet, Southern wood
- Violet, Striped white
- Violet, Tall white
- Violet, Wavy-leaf
- Viper's bugloss, Common
- Virgin's bower
- Virginia bluebells
- Virginia buttonweed
- Virginia dayflower
- Virginia meadow-beauty
- Virginia pennywort
- Virginia pepperweed
- Virginia spiderwort
- Virginia spring beauty
- Virginia waterleaf
- Wart-removing herb
- Water shield
- Water-horehound, American
- Water-lily, American white
- Water-lily, Fragrant
- Water-primrose, Creeping
- Water-willow, American
- Waterleaf, Blunt-leaf
- Waterleaf, Virginia
- Waterpepper, Mild
- Waterpod
- Wavy-leaf violet
- Waxweed, Blue
- Waxy-leaf meadow-rue
- Weedy dwarf-dandelion
- White avens
- White campion
- White clover
- White snakeroot
- White sweet clover
- White trout-lily
- White turtlehead
- White vervain
- White wood aster
- Whitlow-grass, Short-fruited
- Whitlow-grass, Spring
- Whorled loosestrife
- Whorled milkweed
- Whorled milkwort
- Whorled tickseed
- Wild basil
- Wild bean, Pink
- Wild bean, Trailing
- Wild bergamot
- Wild blue phlox
- Wild columbine
- Wild comfrey
- Wild garlic
- Wild geranium
- Wild ginger
- Wild lettuce
- Wild mint
- Wild onion
- Wild orchis
- Wild pink
- Wild potato vine
- Wild sarsaparilla
- Wild stonecrop
- Wild strawberry
- Willow-leaf lettuce
- Wineberry
- Wingstem
- Wintercress, Bitter
- Wood anemone
- Wood betony
- Wood-sorrel, Violet
- Woodland agrimony
- Woodland lettuce
- Woodland phlox
- Woodland sunflower
- Wooly mullein
- Wormwood, Sweet
- Yarrow
- Yellow coneflower
- Yellow corydalis
- Yellow crownbeard
- Yellow flag iris
- Yellow giant hyssop
- Yellow jewelweed
- Yellow king-devil
- Yellow lady's slipper
- Yellow pond-lily
- Yellow rocket
- Yellow stargrass
- Yellow sweet clover
- Yellow trout-lily
- Yellow-eyed grass, Bog
- Yerba-de-tajo