Jump to: A B C D E F G H I J K L M N O P Q R S T U V W Y
A
- Adam's needle Yucca filamentosa · 2 states
- Agarita Mahonia trifoliolata · 1 states
- Alderleaf mountain mahogany Cercocarpus montanus · 9 states
- Allegheny chinquapin Castanea pumila · 9 states
- Allegheny serviceberry Amelanchier laevis · 1 states
- American alumroot Heuchera americana · 1 states
- American basswood Tilia americana · 32 states
- American beautyberry Callicarpa americana · 10 states
- American beech Fagus grandifolia · 24 states
- American bellflower Campanulastrum americanum · 19 states
- American bittersweet Celastrus scandens · 11 states
- American bladdernut Staphylea trifolia · 15 states
- American century plant Agave americana · 2 states
- American cranberry Vaccinium macrocarpon · 2 states
- American elm Ulmus americana · 4 states
- American hazelnut Corylus americana · 16 states
- American holly Ilex opaca · 24 states
- American hornbeam Carpinus caroliniana · 29 states
- American mountain ash Sorbus americana · 18 states
- American olive Osmanthus americanus · 4 states
- American plum Prunus americana · 25 states
- American smoketree Cotinus obovatus · 2 states
- American strawberry bush Euonymus americanus · 7 states
- American sycamore Platanus occidentalis · 24 states
- American wisteria Wisteria frutescens · 14 states
- Anderson wolfberry Lycium andersonii · 1 states
- Antelope-horns milkweed Asclepias asperula · 2 states
- Apache plume Fallugia paradoxa · 6 states
- Appalachian gooseberry Ribes rotundifolium · 6 states
- Arctic brome (Kalm's brome) Bromus kalmii · 5 states
- Arizona rosewood Vauquelinia californica · 1 states
- Aspen fleabane Erigeron speciosus · 3 states
- Atlantic white cedar Chamaecyparis thyoides · 12 states
- Autumn sage Salvia greggii · 2 states
B
- Bald cypress Taxodium distichum · 16 states
- Balsam fir Abies balsamea · 2 states
- Balsam poplar Populus balsamifera · 1 states
- Banana yucca Yucca baccata · 6 states
- Beach naupaka Scaevola taccada · 1 states
- Beach plum Prunus maritima · 2 states
- Beach strawberry Fragaria chiloensis · 1 states
- Beach sunflower Helianthus debilis · 1 states
- Bear oak Quercus ilicifolia · 1 states
- Bearberry Arctostaphylos uva-ursi · 16 states
- Beavertail prickly pear Opuntia basilaris · 1 states
- Bebb willow Salix bebbiana · 2 states
- Big bluestem Andropogon gerardii · 25 states
- Bigleaf magnolia Magnolia macrophylla · 5 states
- Bigtooth aspen Populus grandidentata · 1 states
- Birdfoot violet Viola pedata · 14 states
- Bitternut hickory Carya cordiformis · 12 states
- Black ash Fraxinus nigra · 10 states
- Black cherry Prunus serotina · 32 states
- Black huckleberry Gaylussacia baccata · 8 states
- Black locust Robinia pseudoacacia · 12 states
- Black maple Acer nigrum · 3 states
- Black oak Quercus velutina · 2 states
- Black tupelo Nyssa sylvatica · 19 states
- Black walnut Juglans nigra · 33 states
- Black willow Salix nigra · 2 states
- Black-eyed Susan Rudbeckia hirta · 42 states
- Blackhaw Viburnum prunifolium · 12 states
- Blackjack oak Quercus marilandica · 3 states
- Bloodroot Sanguinaria canadensis · 9 states
- Blue grama Bouteloua gracilis · 15 states
- Blue mistflower Conoclinium coelestinum · 26 states
- Blue vervain Verbena hastata · 11 states
- Blue wild indigo Baptisia australis · 6 states
- Bluebead Clintonia borealis · 1 states
- Blueblossom Ceanothus thyrsiflorus · 1 states
- Bog Labrador tea Ledum groenlandicum · 4 states
- Bog birch Betula pumila · 1 states
- Bog laurel Kalmia polifolia · 5 states
- Bog rosemary Andromeda polifolia · 1 states
- Box huckleberry Gaylussacia brachycera · 4 states
- Boxelder Acer negundo · 14 states
- Bristly locust Robinia hispida · 9 states
- Broadleaf cattail Typha latifolia · 11 states
- Brown-eyed Susan Rudbeckia triloba · 6 states
- Buffalograss Bouteloua dactyloides · 9 states
- Bunchberry Cornus canadensis · 7 states
- Bur oak Quercus macrocarpa · 24 states
- Butterflyweed Asclepias tuberosa · 37 states
- Butternut Juglans cinerea · 5 states
C
- Cabbage palmetto Sabal palmetto · 2 states
- California bay laurel Umbellularia californica · 3 states
- California buckwheat Eriogonum fasciculatum · 2 states
- California wild grape Vitis californica · 1 states
- Canada anemone Anemone canadensis · 22 states
- Canada plum Prunus nigra · 2 states
- Canada wild rye Elymus canadensis · 18 states
- Canada yew Taxus canadensis · 4 states
- Canadian burnet Sanguisorba canadensis · 1 states
- Canadian serviceberry Amelanchier canadensis · 17 states
- Canadian wild ginger Asarum canadense · 8 states
- Candle anemone (thimbleweed) Anemone cylindrica · 5 states
- Candy barrel cactus (fishhook barrel) Ferocactus wislizeni · 1 states
- Cardinal flower Lobelia cardinalis · 37 states
- Carolina allspice Calycanthus floridus · 5 states
- Carolina jessamine Gelsemium sempervirens · 9 states
- Carolina springbeauty Claytonia caroliniana · 8 states
- Catawba rosebay Rhododendron catawbiense · 7 states
- Cenizo sage Leucophyllum frutescens · 2 states
- Checker lily Fritillaria affinis · 3 states
- Chinkapin oak Quercus muehlenbergii · 14 states
- Chokecherry Prunus virginiana · 35 states
- Christmas fern Polystichum acrostichoides · 11 states
- Chuparosa Justicia californica · 1 states
- Cinnamon fern Osmunda cinnamomea · 13 states
- Claret cup cactus Echinocereus triglochidiatus · 1 states
- Clasping coneflower Dracopis amplexicaulis · 2 states
- Climbing prairie rose Rosa setigera · 8 states
- Closed bottle gentian Gentiana andrewsii · 10 states
- Coast live oak Quercus agrifolia · 1 states
- Coast redwood Sequoia sempervirens · 1 states
- Coastal sweetpepperbush Clethra alnifolia · 2 states
- Cockspur hawthorn Crataegus crus-galli · 4 states
- Cocoplum Chrysobalanus icaco · 1 states
- Colorado blue columbine Aquilegia coerulea · 6 states
- Common blue violet Viola sororia · 21 states
- Common buttonbush Cephalanthus occidentalis · 23 states
- Common camas Camassia quamash · 3 states
- Common elderberry Sambucus nigra ssp. canadensis · 16 states
- Common evening primrose Oenothera biennis · 12 states
- Common gaillardia (blanketflower) Gaillardia aristata · 11 states
- Common hackberry Celtis occidentalis · 15 states
- Common hoptree Ptelea trifoliata · 12 states
- Common juniper Juniperus communis · 18 states
- Common leopardbane Arnica acaulis · 2 states
- Common ninebark Physocarpus opulifolius · 22 states
- Common persimmon Diospyros virginiana · 17 states
- Common selfheal Prunella vulgaris · 2 states
- Common sneezeweed Helenium autumnale · 13 states
- Common snowberry Symphoricarpos albus · 7 states
- Common sotol Dasylirion wheeleri · 3 states
- Common winterberry Ilex verticillata · 10 states
- Common yarrow Achillea millefolium · 31 states
- Compass plant Silphium laciniatum · 11 states
- Coontie Zamia pumila · 1 states
- Coral bean Erythrina herbacea · 6 states
- Coral honeysuckle Lonicera sempervirens · 16 states
- Coralberry Symphoricarpos orbiculatus · 20 states
- Coulter's Matilija poppy Romneya coulteri · 1 states
- Creeping Oregon grape Mahonia repens · 11 states
- Creeping juniper Juniperus horizontalis · 10 states
- Creeping phlox Phlox subulata · 11 states
- Creeping phlox Phlox stolonifera · 2 states
- Creeping snowberry Gaultheria hispidula · 1 states
- Creosote bush Larrea tridentata · 5 states
- Crimson-eyed rose-mallow Hibiscus moscheutos · 14 states
- Crossvine Bignonia capreolata · 5 states
- Cucumbertree Magnolia acuminata · 12 states
- Culver's root Veronicastrum virginicum · 8 states
- Cup plant Silphium perfoliatum · 17 states
- Cutleaf coneflower Rudbeckia laciniata · 21 states
D
- Deerberry Vaccinium stamineum · 10 states
- Dense blazing star Liatris spicata · 15 states
- Desert globemallow Sphaeralcea ambigua · 2 states
- Desert marigold Baileya multiradiata · 4 states
- Desert willow Chilopsis linearis · 4 states
- Devil's walking stick Aralia spinosa · 14 states
- Dotted blazing star Liatris punctata · 10 states
- Douglas iris Iris douglasiana · 3 states
- Downy hawthorn Crataegus mollis · 7 states
- Downy serviceberry Amelanchier arborea · 34 states
- Drummond phlox Phlox drummondii · 1 states
- Dutchman's breeches Dicentra cucullaria · 9 states
- Dwarf crested iris Iris cristata · 1 states
- Dwarf fothergilla Fothergilla gardenii · 9 states
- Dwarf larkspur Delphinium tricorne · 2 states
- Dwarf palmetto Sabal minor · 3 states
E
- Early azalea Rhododendron prinophyllum · 5 states
- Eastern bluestar Amsonia tabernaemontana · 8 states
- Eastern cottonwood Populus deltoides · 14 states
- Eastern gray beardtongue Penstemon canescens · 6 states
- Eastern hay-scented fern Dennstaedtia punctilobula · 1 states
- Eastern hemlock Tsuga canadensis · 22 states
- Eastern hop-hornbeam Ostrya virginiana · 18 states
- Eastern leatherwood Dirca palustris · 5 states
- Eastern purple coneflower Echinacea purpurea · 22 states
- Eastern red cedar Juniperus virginiana · 36 states
- Eastern red columbine Aquilegia canadensis · 36 states
- Eastern redbud Cercis canadensis · 30 states
- Eastern smooth beardtongue Penstemon laevigatus · 7 states
- Eastern teaberry Gaultheria procumbens · 9 states
- Eastern wahoo Euonymus atropurpureus · 2 states
- Eastern white pine Pinus strobus · 19 states
- Engelmann spruce Picea engelmannii · 1 states
- Engelmann's hedgehog cactus Echinocereus engelmannii · 1 states
- Engelmann's prickly pear (cactus apple) Opuntia engelmannii · 1 states
F
- Fairy duster Calliandra eriophylla · 1 states
- Fall obedient plant Physostegia virginiana · 21 states
- Farewell-to-spring Clarkia amoena · 4 states
- Farkleberry Vaccinium arboreum · 5 states
- Feathery false Solomon's seal Maianthemum racemosum · 20 states
- Fevertree Pinckneya bracteata · 1 states
- Fewleaf sunflower Helianthus occidentalis · 1 states
- Fire pink Silene virginica · 8 states
- Firecracker penstemon Penstemon eatonii · 3 states
- Fireweed Chamerion angustifolium · 28 states
- Flame azalea Rhododendron calendulaceum · 12 states
- Florida anisetree Illicium floridanum · 1 states
- Florida hopbush Dodonaea viscosa · 1 states
- Flowering dogwood Cornus florida · 22 states
- Flowering spurge Euphorbia corollata · 6 states
- Foxglove beardtongue Penstemon digitalis · 31 states
- Fragrant sumac Rhus aromatica · 14 states
- Franklin tree Franklinia alatamaha · 1 states
- Fringed bluestar Amsonia ciliata · 2 states
- Fringed winecup Callirhoe digitata · 1 states
G
- Gambel oak Quercus gambelii · 6 states
- Golden alexanders Zizia aurea · 12 states
- Golden currant Ribes aureum · 3 states
- Gray alder Alnus incana · 12 states
- Gray birch Betula populifolia · 9 states
- Gray dogwood Cornus racemosa · 8 states
- Grayhead coneflower Ratibida pinnata · 12 states
- Great blue lobelia Lobelia siphilitica · 32 states
- Great laurel Rhododendron maximum · 13 states
- Green ash Fraxinus pennsylvanica · 23 states
- Green milkweed Asclepias viridis · 1 states
- Green-and-gold Chrysogonum virginianum · 1 states
- Groundnut Apios americana · 1 states
- Groundsel tree Baccharis halimifolia · 2 states
- Gulf muhly Muhlenbergia capillaris · 2 states
H
- Hairy beardtongue Penstemon hirsutus · 10 states
- Harebell Campanula rotundifolia · 25 states
- Hawaiian tree fern (hapuu ii) Cibotium menziesii · 1 states
- Heart-leaved meadow parsnip Zizia aptera · 8 states
- Heartleaf foamflower Tiarella cordifolia · 2 states
- Highbush blueberry Vaccinium corymbosum · 4 states
- Highbush cranberry Viburnum opulus var. americanum · 8 states
- Hobblebush Viburnum lantanoides · 3 states
- Hollow Joe-pye weed Eutrochium fistulosum · 14 states
- Honey locust Gleditsia triacanthos · 9 states
- Honey mesquite Prosopis glandulosa · 3 states
- Huisache Vachellia farnesiana · 1 states
- Hummingbird sage Salvia spathacea · 1 states
I
- Ilima Sida fallax · 1 states
- Indian blanket Gaillardia pulchella · 18 states
- Indiangrass Sorghastrum nutans · 19 states
- Indigo bush Amorpha fruticosa · 16 states
- Inkberry Ilex glabra · 4 states
- Inland sea oats Chasmanthium latifolium · 3 states
- Interrupted fern Osmunda claytoniana · 10 states
J
- Jack-in-the-pulpit Arisaema triphyllum · 14 states
- Jacob's ladder Polemonium reptans · 17 states
- Jerusalem artichoke Helianthus tuberosus · 9 states
- Jojoba Simmondsia chinensis · 2 states
- Joshua tree Yucca brevifolia · 3 states
K
- Kentucky coffeetree Gymnocladus dioicus · 15 states
- Kentucky yellowwood Cladrastis kentukea · 1 states
- King of the meadow Thalictrum pubescens · 1 states
- Koa Acacia koa · 1 states
L
- Lanceleaf coreopsis Coreopsis lanceolata · 28 states
- Large penstemon (shell-leaf beardtongue) Penstemon grandiflorus · 8 states
- Large-flowered bellwort Uvularia grandiflora · 8 states
- Largeflower tickseed Coreopsis grandiflora · 2 states
- Leadplant Amorpha canescens · 10 states
- Leavenworth's eryngo Eryngium leavenworthii · 1 states
- Leavenworth's tickseed Coreopsis leavenworthii · 1 states
- Lemon beebalm Monarda citriodora · 15 states
- Little bluestem Schizachyrium scoparium · 23 states
- Lobed tickseed Coreopsis auriculata · 1 states
- Loblolly bay Gordonia lasianthus · 5 states
- Loblolly pine Pinus taeda · 14 states
- Longbract wild indigo (cream false indigo) Baptisia bracteata var. leucophaea · 5 states
- Longleaf pine Pinus palustris · 6 states
- Low prickly pear Opuntia humifusa · 6 states
- Lowbush blueberry Vaccinium angustifolium · 14 states
- Lyreleaf sage Salvia lyrata · 2 states
M
- Mamane Sophora chrysophylla · 1 states
- Mapleleaf viburnum Viburnum acerifolium · 5 states
- Marsh marigold Caltha palustris · 8 states
- Maryland goldenaster Chrysopsis mariana · 3 states
- Maximilian sunflower Helianthus maximiliani · 3 states
- Mayapple Podophyllum peltatum · 18 states
- Mayhaw Crataegus opaca · 3 states
- Maypop passionflower Passiflora incarnata · 13 states
- Mealy blue sage Salvia farinacea · 1 states
- Mexican buckeye Ungnadia speciosa · 2 states
- Mexican hat Ratibida columnifera · 17 states
- Mexican olive Cordia boissieri · 1 states
- Mexican plum Prunus mexicana · 4 states
- Michigan lily Lilium michiganense · 5 states
- Miller's witch-alder Fothergilla milleri · 6 states
- Mockernut hickory Carya tomentosa · 13 states
- Mormon tea Ephedra viridis · 1 states
- Mountain avens Dryas octopetala · 1 states
- Mountain azalea Rhododendron canescens · 9 states
- Mountain hemlock Tsuga mertensiana · 1 states
- Mountain laurel Kalmia latifolia · 17 states
- Mountain maple Acer spicatum · 2 states
- Mountain silverbell Halesia tetraptera · 1 states
- Mountain witch-alder Fothergilla major · 7 states
N
- Nannyberry Viburnum lentago · 23 states
- Narrow-leaf coneflower Echinacea angustifolia · 9 states
- Narrowleaf blue-eyed grass Sisyrinchium angustifolium · 2 states
- Narrowleaf evening-primrose Oenothera fruticosa · 10 states
- New England aster Symphyotrichum novae-angliae · 18 states
- New Jersey tea Ceanothus americanus · 31 states
- New Mexico locust Robinia neomexicana · 2 states
- New York ironweed Vernonia noveboracensis · 3 states
- Nootka rose Rosa nutkana · 1 states
- Northern bayberry Morella pensylvanica · 2 states
- Northern blue flag Iris versicolor · 1 states
- Northern bush honeysuckle Diervilla lonicera · 5 states
- Northern catalpa Catalpa speciosa · 9 states
- Northern maidenhair fern Adiantum pedatum · 21 states
- Northern red oak Quercus rubra · 24 states
- Northern spicebush Lindera benzoin · 16 states
- Northern white cedar Thuja occidentalis · 16 states
O
- Oakleaf hydrangea Hydrangea quercifolia · 6 states
- Ocotillo Fouquieria splendens · 3 states
- Ohelo ai Vaccinium reticulatum · 1 states
- Ohia lehua Metrosideros polymorpha · 1 states
- Ohio buckeye Aesculus glabra · 12 states
- Old man's whiskers Geum triflorum · 8 states
- Ontario blazing star Liatris cylindracea · 4 states
- Orange azalea Rhododendron austrinum · 5 states
- Orange coneflower Rudbeckia fulgida · 2 states
- Ostrich fern Matteuccia struthiopteris · 8 states
- Ozark witch-hazel Hamamelis vernalis · 1 states
P
- Pacific madrone Arbutus menziesii · 3 states
- Pacific trillium Trillium ovatum · 3 states
- Pacific yew Taxus brevifolia · 1 states
- Pagoda dogwood Cornus alternifolia · 25 states
- Pale purple coneflower Echinacea pallida · 9 states
- Palmer's penstemon Penstemon palmeri · 3 states
- Paper birch Betula papyrifera · 16 states
- Parry's agave Agave parryi · 2 states
- Partridge pea Chamaecrista fasciculata · 13 states
- Partridgeberry Mitchella repens · 17 states
- Pawpaw Asimina triloba · 17 states
- Peachleaf willow Salix amygdaloides · 3 states
- Pearly everlasting Anaphalis margaritacea · 18 states
- Pignut hickory Carya glabra · 21 states
- Pin cherry Prunus pensylvanica · 3 states
- Pin oak Quercus palustris · 18 states
- Pincushion daisy (perfumeballs) Gaillardia suavis · 1 states
- Pink evening primrose Oenothera speciosa · 8 states
- Pink-scale blazing star Liatris elegans · 5 states
- Pitch pine Pinus rigida · 12 states
- Plains coreopsis Coreopsis tinctoria · 16 states
- Plumleaf azalea Rhododendron prunifolium · 5 states
- Porcupine grass Hesperostipa spartea · 2 states
- Possumhaw Ilex decidua · 7 states
- Post oak Quercus stellata · 9 states
- Prairie Junegrass Koeleria macrantha · 15 states
- Prairie blazing star Liatris pycnostachya · 16 states
- Prairie blue-eyed grass Sisyrinchium campestre · 6 states
- Prairie cordgrass Spartina pectinata · 5 states
- Prairie crabapple Malus ioensis · 8 states
- Prairie dropseed Sporobolus heterolepis · 11 states
- Prairie goldenrod Solidago nemoralis · 7 states
- Prairie ironweed Vernonia fasciculata · 7 states
- Prairie onion Allium stellatum · 6 states
- Prairie redroot Ceanothus herbaceus · 1 states
- Prairie rosinweed (prairie dock) Silphium terebinthinaceum · 4 states
- Prairie tickseed Coreopsis palmata · 4 states
- Purple clematis Clematis occidentalis var. occidentalis · 1 states
- Purple meadow-rue Thalictrum dasycarpum · 7 states
- Purple milkweed Asclepias purpurascens · 1 states
- Purple prairie clover Dalea purpurea · 5 states
- Pussy willow Salix discolor · 9 states
Q
- Quaking aspen Populus tremuloides · 24 states
R
- Rattlesnake master Eryngium yuccifolium · 6 states
- Red baneberry Actaea rubra · 22 states
- Red barberry Mahonia haematocarpa · 1 states
- Red buckeye Aesculus pavia · 9 states
- Red chokeberry Aronia arbutifolia · 7 states
- Red huckleberry Vaccinium parvifolium · 1 states
- Red maple Acer rubrum · 30 states
- Red pine Pinus resinosa · 13 states
- Red spruce Picea rubens · 14 states
- Red yucca Hesperaloe parviflora · 2 states
- Red-osier dogwood Cornus sericea · 22 states
- Redbay Persea borbonia · 1 states
- Richardson's alumroot Heuchera richardsonii · 8 states
- Richardson's geranium Geranium richardsonii · 2 states
- River birch Betula nigra · 23 states
- Riverbank grape Vitis riparia · 2 states
- Rocky Mountain bee plant Peritoma serrulata · 22 states
- Rocky Mountain iris Iris missouriensis · 7 states
- Rocky Mountain penstemon Penstemon strictus · 4 states
- Rose's wild ginger Asarum rosei · 1 states
- Rough coneflower Rudbeckia grandiflora · 1 states
- Roughleaf dogwood Cornus drummondii · 3 states
- Roundhead lespedeza Lespedeza capitata · 7 states
- Royal catchfly Silene regia · 1 states
- Royal fern Osmunda regalis var. spectabilis · 8 states
- Rusty blackhaw viburnum Viburnum rufidulum · 12 states
S
- Saguaro Carnegiea gigantea · 1 states
- Salmonberry Rubus spectabilis · 1 states
- Sand cherry Prunus pumila · 1 states
- Sassafras Sassafras albidum · 22 states
- Saw palmetto Serenoa repens · 2 states
- Scaly blazing star Liatris squarrosa · 5 states
- Scarlet beebalm Monarda didyma · 18 states
- Scarlet bugler Penstemon barbatus · 2 states
- Scarlet gilia Ipomopsis aggregata · 9 states
- Scarlet globemallow Sphaeralcea coccinea · 5 states
- Scarlet oak Quercus coccinea · 17 states
- Scarlet rosemallow Hibiscus coccineus · 5 states
- Scarlet sage Salvia coccinea · 3 states
- Seaside alder Alnus maritima · 2 states
- Seaside goldenrod Solidago sempervirens · 2 states
- Sensitive fern Onoclea sensibilis · 1 states
- Shagbark hickory Carya ovata · 22 states
- Sheep laurel Kalmia angustifolia · 1 states
- Shingle oak Quercus imbricaria · 3 states
- Shore pine Pinus contorta · 1 states
- Shortleaf pine Pinus echinata · 9 states
- Showy goldenrod Solidago speciosa · 6 states
- Showy tick trefoil Desmodium canadense · 21 states
- Shrubby St. John's-wort Hypericum prolificum · 12 states
- Shrubby cinquefoil Dasiphora fruticosa ssp. floribunda · 15 states
- Shrubby five-fingers Sibbaldiopsis tridentata · 8 states
- Shumard oak Quercus shumardii · 5 states
- Sideoats grama Bouteloua curtipendula · 25 states
- Silky camellia Stewartia malacodendron · 2 states
- Silver buffaloberry Shepherdia argentea · 11 states
- Silver lupine Lupinus albifrons · 1 states
- Silver maple Acer saccharinum · 18 states
- Silvery lupine Lupinus argenteus · 2 states
- Sitka spruce Picea sitchensis · 1 states
- Slippery elm Ulmus rubra · 2 states
- Small's beardtongue Penstemon smallii · 3 states
- Smooth Solomon's seal Polygonatum biflorum · 13 states
- Smooth alder Alnus serrulata · 1 states
- Smooth azalea Rhododendron arborescens · 4 states
- Smooth hydrangea Hydrangea arborescens · 12 states
- Smooth oxeye Heliopsis helianthoides · 12 states
- Smooth rose Rosa blanda · 8 states
- Smooth sumac Rhus glabra · 34 states
- Sourwood Oxydendrum arboreum · 14 states
- Southern arrowwood Viburnum dentatum · 13 states
- Southern catalpa Catalpa bignonioides · 2 states
- Southern crabapple Malus angustifolia · 2 states
- Southern live oak Quercus virginiana · 13 states
- Southern magnolia Magnolia grandiflora · 10 states
- Southern red oak Quercus falcata · 6 states
- Southern wax myrtle Morella cerifera · 8 states
- Spanish dagger Yucca aloifolia · 4 states
- Spotted beebalm Monarda punctata · 14 states
- Staghorn sumac Rhus typhina · 13 states
- Standing cypress Ipomopsis rubra · 6 states
- Starry false Solomon's seal Maianthemum stellatum · 4 states
- Steeplebush Spiraea tomentosa · 1 states
- Stiff dogwood Cornus foemina · 1 states
- Stiff greenthread Thelesperma filifolium · 1 states
- Stokes aster Stokesia laevis · 4 states
- Striped maple Acer pensylvanicum · 11 states
- Sugar maple Acer saccharum · 28 states
- Sundial lupine Lupinus perennis · 25 states
- Swamp azalea Rhododendron viscosum · 7 states
- Swamp milkweed Asclepias incarnata · 25 states
- Swamp rose Rosa palustris · 11 states
- Swamp sunflower Helianthus angustifolius · 15 states
- Swamp white oak Quercus bicolor · 9 states
- Sweet Joe-Pye Eutrochium purpureum · 17 states
- Sweet birch Betula lenta · 18 states
- Sweet coneflower Rudbeckia subtomentosa · 4 states
- Sweet crabapple Malus coronaria · 5 states
- Sweet-fern Comptonia peregrina · 10 states
- Sweetbay magnolia Magnolia virginiana · 12 states
- Sweetgum Liquidambar styraciflua · 22 states
- Switchgrass Panicum virgatum · 24 states
T
- Table mountain pine Pinus pungens · 7 states
- Tall Oregon grape Mahonia aquifolium · 3 states
- Tall blazing star Liatris aspera · 11 states
- Tamarack Larix laricina · 10 states
- Tennessee featherbells Stenanthium tennesseense · 1 states
- Texas Indian paintbrush Castilleja indivisa · 3 states
- Texas bluebonnet (state flower) Lupinus texensis · 2 states
- Texas ebony Ebenopsis ebano · 1 states
- Texas mountain laurel Dermatophyllum secundiflorum · 1 states
- Texas persimmon Diospyros texana · 1 states
- Texas sacahuista Nolina texana · 1 states
- Texas star (prairie rose-gentian) Sabatia campestris · 1 states
- Threadleaf coreopsis Coreopsis verticillata · 7 states
- Three-flower melic grass Melica nitens · 1 states
- Titi cyrilla Cyrilla racemiflora · 5 states
- Toyon Heteromeles arbutifolia · 1 states
- Trailing arbutus Epigaea repens · 1 states
- Trumpet vine Campsis radicans · 24 states
- Tulip tree Liriodendron tulipifera · 17 states
- Twinleaf Jeffersonia diphylla · 1 states
- Twistleaf yucca Yucca rupicola · 1 states
- Two-wing silverbell Halesia diptera · 5 states
- Twoleaf miterwort Mitella diphylla · 7 states
U
- Umbrella tree magnolia Magnolia tripetala · 6 states
- Utah serviceberry Amelanchier utahensis · 3 states
- Utah sweetvetch Hedysarum boreale · 3 states
V
- Valley oak Quercus lobata · 1 states
- Virgin's bower Clematis virginiana · 2 states
- Virginia bluebells Mertensia virginica · 14 states
- Virginia chain fern Woodwardia virginica · 1 states
- Virginia creeper Parthenocissus quinquefolia · 27 states
- Virginia iris Iris virginica · 9 states
- Virginia mountain mint Pycnanthemum virginianum · 5 states
- Virginia pine Pinus virginiana · 13 states
- Virginia saltmarsh mallow Kosteletzkya pentacarpos · 4 states
- Virginia spiderwort Tradescantia virginiana · 2 states
- Virginia springbeauty Claytonia virginica · 10 states
- Virginia strawberry Fragaria virginiana · 8 states
- Virginia sweetspire Itea virginica · 6 states
W
- Water birch Betula occidentalis · 1 states
- Water oak Quercus nigra · 4 states
- Wax currant Ribes cereum · 2 states
- Western azalea Rhododendron occidentale · 3 states
- Western bracken fern Pteridium aquilinum · 7 states
- Western columbine Aquilegia formosa · 1 states
- Western hemlock Tsuga heterophylla · 1 states
- Western ironweed Vernonia baldwinii · 1 states
- Western redcedar Thuja plicata · 1 states
- White ash Fraxinus americana · 31 states
- White baneberry Actaea pachypoda · 16 states
- White doll's daisy Boltonia asteroides · 1 states
- White fringetree Chionanthus virginicus · 14 states
- White heath aster Symphyotrichum ericoides var. ericoides · 10 states
- White meadowsweet Spiraea alba · 8 states
- White oak Quercus alba · 33 states
- White prairie clover Dalea candida · 1 states
- White sage Salvia apiana · 1 states
- White snakeroot Ageratina altissima · 7 states
- White spruce Picea glauca · 1 states
- White turtlehead Chelone glabra · 3 states
- White wild indigo Baptisia alba · 10 states
- Wholeleaf rosinweed Silphium integrifolium · 5 states
- Whorled milkweed Asclepias verticillata · 6 states
- Wild blue Phlox divaricata · 32 states
- Wild geranium Geranium maculatum · 11 states
- Wild hyacinth (Atlantic camas) Camassia scilloides · 1 states
- Willow oak Quercus phellos · 16 states
- Winecup Callirhoe involucrata · 7 states
- Winged sumac Rhus copallinum · 11 states
- Winterfat Krascheninnikovia lanata · 6 states
- Witch-hazel Hamamelis virginiana · 28 states
- Witherod viburnum Viburnum nudum var. cassinoides · 3 states
- Wood lily Lilium philadelphicum · 7 states
- Woodland pinkroot Spigelia marilandica · 4 states
- Woolly pipevine Aristolochia tomentosa · 1 states
- Wyoming Indian paintbrush Castilleja linariifolia · 4 states
Y
- Yaupon holly Ilex vomitoria · 7 states
- Yellow (Bush's) coneflower Echinacea paradoxa · 1 states
- Yellow bells (esperanza) Tecoma stans · 3 states
- Yellow birch Betula alleghaniensis · 1 states
- Yellow buckeye Aesculus flava · 3 states
- Yellow necklacepod Sophora tomentosa · 1 states
- Yellow passionflower Passiflora lutea · 2 states