All Plants, A - Z

All plants listed here are US natives, except for the list at the bottom which are separately listed as non-natives; they are included on this site for identification purposes, and to differentiate them from natives.

PLEASE NOTE: We have images for ALL species listed below, but if there is not a link yet, that means we are working on getting the page for it loaded. Please bear with us - it turns out it takes a long time for a single person to load over 1,000 pages with information and images about a species! :)

Total native species listed here: 1299; updated last on January 3, 2024.

Acalypha ostryifolia
Acalypha rhomboidea
Achillea millefolium
Actaea pachypoda
Actaea racemosa
Actaea rubifolia
Actaea rubra
Adlumia fungosa
Adoxa moschatellina
Agalinis purpurea
Agalinis tenuifolia
Agastache foeniculum
Agastache nepetoides
Agastache rupestris
Agastache scrophulariifolia
Ageratina altissima
Ageratina aromatica
Agoseris glauca
Agrimonia gryposepala
Agrimonia parviflora
Agrimonia pubescens
Agrimonia rostellata
Agrimonia striata
Aletris farinosa
Allium abramsii
Allium acuminatum
Allium allegheniense
Allium canadense
Allium cernuum
Allium crispum
Allium diabolense
Allium dichlamydeum
Allium douglasii
Allium falcifolium
Allium fimbriatum
Allium geyeri
Allium haematochiton
Allium hyalinum
Allium oxyphilum
Allium schoenoprasum
Allium stellatum
Allium textile
Allium tricoccum
Allium unifolium
Ambrosia artemisiifolia
Ambrosia psilostachya
Ambrosia trifida
Amianthium muscaetoxicum
Amphicarpaea bracteata
Amsonia illustris
Amsonia tabernaemontana
Anaphalis margaritacea
Andromeda polifolia
Anemone canadensis
Anemone cylindrica
Anemone lancifolia
Anemone multifida
Anemone quinquefolia
Anemone virginiana
Anemonella thalictroides
Angelica triquinata
Angelica venenosa
Antennaria howellii
Antennaria neglecta
Antenarria parlinii
Antennaria plantaginifolia
Antennaria solitaria
Antennaria virginica
Anticlea elegans
Apios americana
Aplectrum hyemale
Apocynum androsaemifolium
Apocynum cannabinum
Aquilegia canadensis
Aquilegia chaplinei
Aquilegia chrysantha
Aquilegia formosa
Aquilegia micrantha
Arabis glabra
Arabis laevigata
Arabis lyrata
Aralia nudicaulis
Aralia racemosa
Arctostaphylos uva-ursi
Arethusa bulbosa
Argemone albiflora
Arisaema dracontium
Arisaema stewardsonii
Arisaema triphyllum
Aristolochia serpentaria
Aristolochia tomentosa
Arnoglossum atriplicifolium
Aronia arbutifolia
Aronia prunifolia
Artemisia campestris
Artemisia ludoviciana
Aruncus dioicus
Asarum arifolium
Asarum canadense
Asarum caudatum
Asarum lemmonii
Asclepias amplexicaulis
Asclepias exaltata
Asclepias hirtella
Asclepias humistrata
Asclepias incarnata
Asclepias perennis
Asclepias purpurascens
Asclepias syriaca
Asclepias tuberosa
Asclepias variegata
Asclepias verticillata
Asclepias viridiflora
Aster furcatus
Astible biternata
Astragalus canadensis
Atriplex prostrata
Bacopa caroliniana
Bacopa monnieri
Baptisia albescens
Baptisia australis
Baptisia bracteata
Baptisia megacarpa
Baptisia tinctoria
Berlandiera texana
Bidens alba
Bidens aristosa
Bidens bipinnata
Bidens cernua
Bidens connata
Bidens discoidea
Bidens frondosa
Bidens trichosperma
Bidens tripartita
Bidens vulgata
Blephilia ciliata
Blephilia hirsuta
Bloomeria crocea
Bloomeria humilis
Boechera stricta
Boehmeria cylindrica
Boerhavia coccinea
Boltonia asteroides
Boltonia decurrens
Boykinia aconitifolia
Brodiaea elegans
Brodiaea minor
Brodiaea stellaris
Cacalia muehlenbergii
Cacalia suaveolens
Cakile edentula
Calamintha arkansana
Calla palustris
Callirhoe bushii
Callirhoe digitata
Callirhoe involucrata
Callirhoe leiocarpa
Calochortus monophyllus
Calochortus nudus
Calochortus simulans
Calochortus uniflorus
Calopogon tuberosus (also: white form)
Caltha palustris
Calypso bulbosa
Calystegia sepium
Calystegia spithamaea
Camassia cusickii
Camassia leichtlinii
Camassia quamash
Campanula americana
Campanula aparinoides
Campanula divaricata
Campanula rotundifolia
Campsis radicans
Canadanthus modestus
Canavalia rosea
Capraria biflora
Cardamine angustata
Cardamine bulbosa
Cardamine diphylla
Cardamine douglassii
Cardamine pensylvanica
Cardamine pratensis
Cassia fasciculata
Castilleja coccinea
Caulophyllum thalictroides
Centaurea americana
Centrosema virginianum
Cephalanthus occidentalis
Cerastium arvense
Chaerophyllum tainturieri
Chamaecrista nictitans
Chamaedaphne calyculata
Chamaelirium luteum
Chelone glabra
Chelone lyonii
Chelone obliqua
Chenopodium album
Chenopodium simplex
Chimaphila maculata
Chimaphila umbellata
Chrysogonum virginianum
Chrysopsis gossypina
Chrysopsis mariana
Chrysosplenium alternifolium
Chrysosplenium americanum
Cicuta bulbifera
Cicuta maculata
Circaea alpina
Circaea lutetiana
Cirsium discolor
Cirsium hillii
Cirsium horridulum
Cirsium flodmanii
Cirsium muticum
Cirsium pitcheri
Clarkia bottae
Clarkia rubicunda
Clarkia unguiculata
Claytonia caroliniana
Claytonia exigua
Claytonia lanceolata
Claytonia sibirica
Claytonia virginica
Clematis albicoma
Clematis crispa
Clematis fremontii
Clematis versicolor
Clematis virginiana
Cleome serrulata
Clinopodium brownei
Clinopodium vulgare (also: white form)
Clintonia borealis
Clintonia umbellulata
Cnidoscolus stimulosus
Collinsia grandiflora
Collinsia heterophylla
Collinsia parviflora
Collinsia verna
Collinsia violacea
Collinsonia canadensis
Collomia grandiflora
Comandra umbellata
Commelina diffusa
Commelina erecta
Commelina virginica
Conoclinium coelestinum
Conradina canescens
Conyza canadensis
Coptis occidentalis
Coptis trifolia
Corallorhiza striata
Corallorhiza trifida
Coreopsis auriculata
Coreopsis basalis
Coreopsis delphinifolia
Coreopsis floridana
Coreopsis grandiflora
Coreopsis integrifolia
Coreopsis lanceolata
Coreopsis latifolia
Coreopsis leavenworthii
Coreopsis major
Coreopsis nuecensis
Coreopsis palmata
Coreopsis pubescens
Coreopsis rosea
Coreopsis tinctoria
Coreopsis tripteris
Coreopsis verticillata
Cornus alternifolia
Cornus canadensis
Cornus sericea
Corydalis sempervirens
Corylus americana
Cosmos parviflorus
Croton glandulosus
Cryptotaenia canadensis
Cunila origanoides
Cuphea viscosissima
Cylindropuntia imbricata
Cynanchum laeve
Cynoglossum virginianum
Cypripedium acaule
Cypripedium arietinum
Cypripedium candidum
Cypripedium guttatum
Cypripedium kentuckiense
Cypripedium montanum
Cypripedium parviflorum
Cypripedium pubescens
Cypripedium reginae
Dalea candida
Dalea gattingeri
Dalea purpurea
Datura wrightii
Decodon verticillatus
Decumaria barbara
Delphinium cardinale
Delphinium carolinianum
Delphinium exaltatum
Delphinium menziesii
Delphinium nuttallii
Delphinium tricorne (also: white form)
Delphinium trollifolium
Delphinium virescens
Dentaria laciniata
Desmanthus illinoensis
Desmodium canadense
Desmodium canescens
Desmodium ciliare
Desmodium glabellum
Desmodium glutinosum
Desmodium illinoense
Desmodium laevigatum
Desmodium marilandicum
Desmodium nudiflorum
Desmodium paniculatum
Desmodium rotundifolium
Desmodium triflorum
Desmodium viridiflorum
Dicentra canadensis
Dicentra cucullaria
Dicentra eximia
Dicentra formosa
Dichelostemma capitatum
Dichelostemma congestum
Dichondra carolinensis
Diervilla lonicera
Diervilla sessilifolia
Dimorphocarpa wislizeni
Diodia teres
Diodia virginiana
Dionaea muscipula
Dioscorea villosa
Disporum hookeri
Disporum lanuginosum
Disporum maculatum
Disporum smithii
Dodecatheon amethystinum
Dodecatheon meadia (also: white form)
Doellingeria infirma
Doellingeria umbellata
Draba ramosissima
Draba verna
Dracocephalum parviflorum
Drosera anglica
Drosera filiformis
Drosera intermedia
Drosera obovata
Drosera rotundifolia
Drymocallis arguta
Dyschoriste humistrata
Dyschoriste oblongifolia
Dyssodia papposa
Echinacea paradoxa
Echinacea purpurea (also: white form)
Echinacea simulata
Echinacea tennesseensis
Echinocereus triglochidiatus
Echinocystis lobata
Eclipta prostrata
Elephantopus carolinianus
Elytraria caroliniensis
Engelmannia peristenia
Epifagus virginiana
Epigaea repens
Epilobium angustifolium
Epilobium ciliatum
Epilobium coloratum
Epilobium leptophyllum
Epipactis gigantea
Erechtites hieraciifolius
Erigenia bulbosa
Erigeron annuus
Erigeron peregrinus
Erigeron philadelphicus
Erigeron pulchellus
Erigeron scopulinus
Erigeron strigosus
Eriogonum allenii
Eryngium aquaticum
Eryngium baldwinii
Eryngium yuccifolium
Erysimum asperum
Erysimum capitatum
Erythronium albidum
Erythronium americanum
Erythronium citrinum
Erythronium grandiflorum
Erythronium helenae
Erythronium multiscapoideum
Erythronium oregonum
Erythronium rostratum
Erythronium tuolumnense
Erythronium umbilicatum
Eschscholzia californica
Escobaria vivipara
Eupatorium altissimum
Eupatorium hyssopifolium
Eupatorium perfoliatum
Eupatorium pilosum
Eupatorium serotinum
Euphorbia bicolor
Euphorbia corollata
Euphorbia cyathophora
Euphorbia dentata
Euphorbia maculata
Euphorbia marginata
Euphorbia nutans
Euphorbia polygonifolia
Eurybia chlorolepis
Eurybia divaricata
Eurybia hemispherica
Eurybia macrophylla
Eurybia spectabilis
Eurybia surculosa
Euthamia caroliniana
Euthamia graminifolia
Eutrochium dubium
Eutrochium fistulosum
Eutrochium maculatum
Eutrochium purpureum
Fallopia cilinodis
Filipendula rubra
Fothergilla gardenii
Fragaria chiloensis
Fragaria vesca
Fragaria virginiana
Fritillaria pudica
Froelichia floridana
Gaillardia aestivalis
Gaillardia aristata
Gaillardia pulchella
Galax urceolata
Galearis spectabilis
Galium aparine
Galium arkansanum
Galium asprellum
Galium circaezans
Galium concinnum
Galium labradoricum
Galium lanceolatum
Galium palustre
Galium pilosum
Galium tinctorium
Galium triflorum
Gaultheria hispidula
Gaultheria procumbens
Gaura biennis
Gaylussacia baccata
Gentiana alba
Gentiana andrewsii
Gentiana austromontana
Gentiana clausa
Gentiana decora
Gentiana saponaria
Gentianopsis crinita
Gentianopsis virgata
Geocaulon lividum
Geranium bicknellii
Geranium caespitosum
Geranium carolinianum
Geranium maculatum (also: white form)
Geranium robertianum
Geum aleppicum
Geum canadense
Geum laciniatum
Geum macrophyllum
Geum rivale
Geum vernum
Geum virginianum
Gilia tricolor
Gillenia trifoliata
Glandularia canadensis
Gnaphalium macounii
Gnaphalium obtusifolium
Goodyera oblongifolia
Goodyera pubescens
Goodyera repens
Gratiola neglecta
Grindelia camporum
Grindelia hirsutula
Habenaria floribunda
Habenaria repens
Hackelia deflexa
Hackelia floribunda
Hackelia virginiana
Halenia deflexa
Hamamelis virginiana
Hedeoma pulegioides
Helenium amarum
Helenium autumnale
Helenium flexuosum
Helenium puberulum
Helianthemum canadense
Helianthus annuus
Helianthus atrorubens
Helianthus debilis
Helianthus decapitalus
Helianthus divaricatus
Helianthus giganteus
Helianthus laevigatus
Helianthus maximiliani
Helianthus microcephalus
Helianthus mollis
Helianthus occidentalis
Helanthus pauciflorus
Helianthus pumilus
Helianthus salcifolius
Helianthus schweinitzii
Helianthus silphioides
Helianthus simulans
Helianthus strumosus
Helianthus tuberosus
Heliopsis helianthoides
Hepatica acutiloba
Hepatica americana
Heracleum maximum
Heteranthera multiflora
Heterotheca subaxillaris
Heterotheca villosa
Heuchera americana
Heuchera longiflora
Heuchera micrantha
Heuchera parviflora
Heuchera pubescens
Heuchera richardsonii
Heuchera villosa
Hexastylis shuttleworthii
Hexastylis virginica
Hibiscus grandiflorus
Hibiscus lasiocarpos
Hibiscus palustris
Hieracium gronovii
Hieracium paniculatum
Hieracium scabrum
Hieracium umbellatum
Hieracium venosum
Houstonia caerulea
Houstonia canadensis
Houstonia longifolia
Houstonia procumbens
Houstonia purpurea
Houstonia serpyllifolia
Hudsonia tomentosa
Hydrangea arborescens
Hydrastis canadensis
Hydrocotyle americana
Hydrocotyle verticillata
Hyrdophyllum atranthum
Hydrophyllum canadense
Hydrophyllum capitatum
Hydrophyllum fendleri
Hydrophyllum tenuipes
Hydrophyllum virginianum
Hylotelephium telephioides
Hymenocallis occidentalis
Hypericum boreale
Hypericum canadense
Hypericum frondosum
Hypericum gentianoides
Hypericum hypericoides
Hypericum kalmianum
Hypericum majus
Hypericum mutilum
Hypericum prolificum
Hypericum punctatum
Hypericum pyramidatum
Hypericum reductum
Hypericum sphaerocarpum
Hypoxis hirsuta
Idahoa scapigera
Ilex mucronata
Ilex verticillata
Iliamna remota
Impatiens capensis
Impatiens pallida
Iodanthus pinnatifidus
Ipomoea lacunosa
Ipomoea pandurata
Ipomoea pes-capre
Ipomopsis longiflora
Ipomopsis rubra
Iris cristata (also: white form)
Iris fulva
Iris giganticaerulea
Iris lacustris
Iris tenax
Iris verna
Iris versicolor
Iris virginica
Isopyrum biternatum
Jamesianthus alabamensis
Jeffersonia diphylla
Justicia americana
Kalmia angustifolia
Kalmia latifolia
Kalmia polifolia
Krigia biflora
Krigia virginica
Lactuca biennis
Lactuca canadensis
Lactuca floridana
Lactuca graminifolia
Lactuca ludoviciana
Laportea canadensis
Lathyrus japonicus
Lathyrus ochroleucus
Layia platyglossa
Leavenworthia uniflora
Ledum groenlandicum
Lepidium virginicum
Lespedeza capitata
Lespedeza hirta
Lespedeza repens
Lespedeza violacea
Leucospora multifida
Liatris aspera
Liatris cylindracea
Liatris hirsuta
Liatris ligulistylis
Liatris mucronata
Liatris pycnostachya
Liatris scariosa
Liatris spicata
Liatris squarrosa
Lilium grayi
Lilium michauxii
Lilium michiganense
Lilium pardalinum
Lilium philadelphicum
Lilium superbum
Limnanthes douglasii
Limnobium spongia
Linanthus grandiflorus
Lindernia dubia
Lindheimera texana
Linnaea borealis
Linum lewisii
Liparis liliifolia
Liparis loeselii
Lippia lanceolata
Listera cordata
Lithophragma parviflorum
Lithospermum canescens
Lithospermum caroliniense
Lithospermum incisum
Lithospermum latifolium
Lithospermum multiflorum
Lobelia cardinalis
Lobelia feayana
Lobelia inflata
Lobelia kalmii
Lobelia puberula
Lobelia siphilitica (also: white form)
Lobelia spicata
Lomatium geyeri
Lonicera canadensis
Lonicera dioica
Lonicera flava
Lonicera hirsuta
Lonicera oblongifolia
Lonicera sempervirens
Ludwigia alternifolia
Ludwigia linearis
Ludwigia octovalvis
Ludwigia palustris
Ludwigia peploides
Ludwigia polycarpa
Lupinus arboreus
Lupinus perennis
Lupinus polyphyllus
Lupinus texensis
Lycopus americanus
Lycopus aspera
Lycopus rubellus
Lycopus uniflorus
Lycopus virginicus
Lysimachia ciliata
Lysimachia hybrida
Lysimachia quadriflora
Lysimachia quadrifolia
Lysimachia terrestris
Lysimachia thyrsiflora
Lythrum alatum
Macbridea caroliniana
Mahonia aquifolium
Maianthemum canadense
Maianthemum racemosum
Maianthemum stellatum
Maianthemum trifolium
Malaxis monophyllos
Malaxis unifolia
Manfreda virginica
Marshallia caespitosa
Marshallia grandiflora
Marshallia mohrii
Marshallia obovata
Marshallia trinervia
Matelea decipiens
Matricaria discoidea
Medeola virginiana
Melampodium leucanthum
Melampyrum lineare
Melanthium virginicum
Melothria pendula
Menispermum canadense
Mentha arvensis
Menyanthes trifoliata
Merremia dissecta
Mertensia maritima
Mertensia paniculata
Mertensia virginica
Mimosa nuttallii
Mimosa strigillosa
Mimulus alatus (also: white form)
Mimulus guttatus
Mimulus ringens
Minuartia michauxii
Mirabilis longiflora
Mirabilis nyctaginea
Mitchella repens
Mitella diphylla
Mitella nuda
Monarda bradburiana
Monarda citriodora
Monarda clinopodia
Monarda clinopodioides
Monarda didyma
Monarda fistulosa
Monarda media
Monarda pectinata
Monarda punctata
Monardella odoratissima
Monotropa hypopitys
Monotropa uniflora
Montia linearis
Montia perfoliata
Myosotis alpestris rosea
Myosotis laxa
Myosotis verna
Myosurus minimus
Napaea dioica
Nelumbo lutea
Nemophila maculata
Nemophila menziesii
Nothoscordum bivalve
Nuphar variegata
Nuttallanthus canadensis
Nuttallanthus texanus
Nymphaea odorata
Oclemena acuminata
Oclemena nemoralis
Oenothera argillicola
Oenothera berlandieri
Oenothera biennis
Oenothera filiformis
Oenothera fruticosa
Oenothera laciniata
Oenothera macrocarpa
Oenothera perennis
Oenothera parviflora
Oenothera rhombipetala
Oenothera rosea
Oenothera speciosa
Oenothera tetragona
Oenothera triloba
Oenothera villosa
Oligoneuron album
Olsynium douglasii
Opuntia austrina
Opuntia humifusa
Opuntia polyacantha
Opuntia stricta
Orobanche uniflora
Orogenia lineariifolia
Orontium aquaticum
Osmorhiza claytonii
Osmorhiza longistylis
Oxalis corniculata
Oxalis dillenii
Oxalis montana
Oxalis stricta
Oxalis violacea
Oxypolis rigidior
Pachysandra procumbens
Packera anonyma
Packera aurea
Packera glabella
Packera obovata
Packera paupercula
Packera plattensis
Parietaria pensylvanica
Parnassia asarifolia
Parnassia glauca
Paronychia argyrocoma
Paronychia canadensis
Parthenium auriculatum
Parthenium hispidum
Parthenium integrifolium
Parthenocissus inserta
Parthenocissus quinquefolia
Passiflora incarnata
Passiflora lutea
Paysonia stonensis
Pedicularis canadensis
Pedicularis lanceolata
Peltandra virginica
Penstemon calycosus
Penstemon canescens
Penstemon cobaea
Penstemon digitalis
Penstemon gracilis
Penstemon grandiflorus
Penstemon hirsutus
Penstemon laevigatus
Penstemon pallidus
Penstemon smallii
Penstemon strictus
Penstemon tubaeflorus
Penthorum sedoides
Persicaria amphibia
Persicaria arifolia
Persicaria hydropiper
Persicaria lapathifolia
Persicaria pensylvanica
Persicaria punctata
Persicaria sagittata
Persicaria setacea
Phacelia bipinnatifida
Phacelia bolanderi
Phacelia divaricata
Phacelia tanacetifolia
Phaseolus polystachios
Phlox amoena
Phlox bifida
Phlox carolina
Phlox divaricata
Phlox drummondii
Phlox glaberrima
Phlox laphamii
Phlox maculata
Phlox ovata
Phlox paniculata
Phlox pilosa
Phlox stolonifera
Phlox subulata
Phryma leptostachya
Phyla nodiflora
Phyllanthopsis phyllanthoides
Physalis heterophylla
Physalis longifolia
Physalis virginiana
Physostegia angustifolia
Physostegia correllii
Physostegia virginiana
Phytolacca americana
Pilea fontana
Pilea pumila
Pinguicula vulgaris
Plagiobothrys hispidulus
Plantago aristata
Plantago rugelii
Platanthera aquilonis
Platanthera blephariglottis
Platanthera ciliaris
Platanthera clavellata
Platanthera flava
Platanthera huronensis
Platanthera integrilabia
Platanthera lacera
Platanthera obtusata
Platanthera psycodes
Podophyllum peltatum
Pogonia ophioglossoides (also: white form)
Polanisia dodecandra
Polemonium carneum
Polemonium reptans
Polygala curtissii
Polygala lutea
Polygala paucifolia
Polygala polygama
Polygala sanguinea
Polygala verticillata
Polygonatum biflorum
Polygonatum pubescens
Polygonella americana
Polygonella articulata
Polygonum aviculare
Polygonum ramosissimum
Polygonum scandens
Polygonum virginianum
Polymnia canadensis
Polypremum procumbens
Pontederia cordata
Porteranthus stipulatus
Portulaca pilosa
Potentilla anserina
Potentilla fruticosa
Potentilla norvegica
Potentilla palustris
Potentilla simplex
Potentilla uniflora
Prenanthes alba
Prenanthes altissima
Prenanthes aspera
Prenanthes racemosa
Prenanthes roanensis
Proboscidea louisianica
Proboscidea parviflora
Prunella vulgaris (also: white form)
Psoralea tenuiflora
Pycnanthemum incanum
Pycnanthemum montanum
Pycnanthemum muticum
Pycnanthemum tenuifolium
Pycnanthemum torreyi
Pycnanthemum verticillatum
Pycnanthemum virginianum
Pyrola asarifolia
Pyrola elliptica
Pyrola secunda
Pyxidanthera barbulata
Ranunculus abortivus
Ranunculus fascicularis
Ranunculus flammula
Ranunculus harveyi
Ranunculus hispidus
Ranunculus pensylvanicus
Ranunculus recurvatus
Ranunculus sceleratus
Ratibida columnifera
Ratibida pinnata
Rhamnus alnifolia
Rhexia virginica
Rhododendron atlanticum
Rhododendron austrinum
Rhododendron calendulaceum
Rhododendron flammeum
Rhododendron periclymenoides
Rhododendron viscosum
Rhus aromatica
Rhus copallinum
Rhus glabra
Rhus typhina
Ribes americanum
Ribes cynosbati
Ribes hirtellum
Ribes missouriensis
Ribes triste
Rorippa palustris
Rosa acicularis
Rosa arkansana
Rosa blanda
Rosa carolina
Rosa palustris
Rosa setigera
Rubus allegheniensis
Rubus canadensis
Rubus dalibarda
Rubus flagellaris
Rubus fraseri
Rubus hispidus
Rubus idaeus
Rubus occidentalis
Rubus odoratus
Rubus parviflorus
Rubus pensilvanicus
Rubus pubescens
Rubus trivialis
Rudbeckia amplexicaulis
Rudbeckia deamii
Rudbeckia fulgida
Rudbeckia heliopsidis
Rudbeckia hirta
Rudbeckia laciniata
Rudbeckia maxima
Rudbeckia missouriensis
Rudbeckia subtomentosa
Rudbeckia triloba
Ruellia caroliniense
Ruellia humilis
Ruellia pedunculata
Ruellia strepens
Sabatia angularis
Sagittaria brevirostra
Sagittaria calycina
Sagittaria cuneata
Sagittaria latifolia
Sagittaria rigida
Salvia azurea
Salvia coccinea
Salvia lyrata
Sambucus canadensis
Samolus parviflorus
Sanguinaria canadensis
Sanguisorba annua
Sanguisorba canadensis
Sanguisorba menziesii
Sanguisorba officinalis
Sanicula canadensis
Sanicula marilandica
Sanicula odorata
Sanicula trifoliata
Sarracenia flava
Sarracenia leucophylla
Sarracenia purpurea
Saururus cernuus
Saxifraga michauxii
Saxifraga pensylvanica
Scoliopus bigelovii
Scoliopus hallii
Scrophularia lanceolata
Scrophularia macrantha
Scrophularia marilandica
Scutellaria galericulata
Scutellaria incana
Scutellaria integrifolia
Scutellaria lateriflora
Scutellaria ovata
Scutellaria parvula
Scutellaria saxatilis
Sedum glaucophyllum
Sedum lanceolatum
Sedum nevii
Sedum oreganum
Sedum pulchellum
Sedum ternatum
Senna marilandica
Seriocarpus linifolius
Shortia galacifolia
Sibbaldiopsis tridentata
Sicyos angulatus
Sida hermaphrodita
Sida spinosa
Sidalcea campestris
Silene antirrhina
Silene caroliniana
Silene polypetala
Silene regia
Silene rotundifolia
Silene stellata
Silene virginica
Silphium asteriscus
Silphium glutinosum
Silphium integrifolium
Silphium laciniatum
Silphium mohrii
Silphium perfoliatum
Silphium terebinthinaceum
Silphium trifoliatum
Silphium wasiotense
Sisyrinchium albidum
Sisyrinchium angustifolium
Sisyrinchium californicum
Sisyrinchium rosulatum
Sium suave
Smallanthus uvedalia
Smilax auriculata
Smilax lasioneura
Smilax pumila
Smilax rotundifolia
Solanum carolinense
Solanum citrullifolium
Solanum ptychanthum
Solanum rostratum
Solidago altissima
Solidago bicolor
Solidago caesia
Solidago curtisii
Solidago drummondii
Solidago erecta
Solidago flaccidifolia
Solidago flexicaulis
Solidago gigantea
Solidago gillmanii
Solidago glomerata
Solidago hispida
Solidago houghtonii
Solidago jejunifolia
Solidago juncea
Solidago missouriensis
Solidago mollis
Solidago nemoralis
Solidago odora
Solidago ohioensis
Solidago patula
Solidago petiolaris
Solidago riddellii
Solidago rigida
Solidago rigidiuscula
Solidago rugosa
Solidago sempervirens
Solidago spathulata
Solidago sphacelata
Solidago squarrosa
Solidago uliginosa
Solidago ulmifolia
Solidago vossii
Spigelia marilandica
Spiraea alba
Spiraea corymbosum
Spiraea tomentosa
Spiranthes cernua
Spiranthes lacera
Spiranthes magnicamporum
Spiranthes ochroleuca
Spiranthes ovalis
Spiranthes romanzoffiana
Stachys chamissonis
Stachys floridana
Stellaria pubera
Stenanthium gramineum
Stenaria nigricans
Streptopus amplexifolius
Streptopus lanceolatus
Strophostyles helvola
Strophostyles leiosperma
Stokesia laevis
Stylophorum diphyllum
Symphyotrichum boreale
Symphyotrichum chilense
Symphyotrichum ciliolatum
Symphyotrichum cordifolium
Symphyotrichum drummondii
Symphyotrichum ericoides
Symphyotrichum firmum
Symphyotrichum georgianum
Symphyotrichum laeve
Symphyotrichum lanceolatum
Symphyotrichum lateriflorum
Symphyotrichum novae-angliae
Symphyotrichum novi-belgii
Symphyotrichum oblongifolium
Symphyotrichum ontarionis
Symphyotrichum oolentangiense
Symphyotrichum patens
Symphyotrichum pilosum
Symphyotrichum praealtum
Symphyotrichum prenanthoides
Symphyotrichum puniceum (also: white form)
Symphyotrichum racemosum
Symphyotrichum retroflexum
Symphyotrichum robynsianum
Symphyotrichum sericeum
Symphyotrichum subspicatum
Symphyotrichum subulatum
Symphyotrichum turbinellum
Symphyotrichum undulatum
Symphyotrichum urophyllum
Symplocarpus foetidus
Synandra hispidula
Synthyris missurica
Taenidia integerrima
Talinum calycinum
Talinum teretifolium
Tanacetum bipinnatum
Tellima grandiflora
Tephrosia virginiana
Teucrium canadense
Thalicrum clavatum
Thalictrum dioicum
Thalictrum pubescens
Thapsium trifoliatum
Thelosperma megapotamicum
Thermopsis villosa
Tiarella cordifolia
Tiarella trifoliata
Tofieldia glutinosa
Tolmiea menziesii
Toxicodendron radicans
Toxicodendron rydbergii
Tradescantia bracteata
Tradescantia ernestiana
Tradescantia hirsuticaulis
Tradescantia hirsutiflora
Tradescantia occidentalis
Tradescantia ohiensis
Tradescantia ozarkana
Tradescantia subaspera
Tradescantia tharpii
Tradescantia virginiana
Trautvetteria caroliniensis
Triadenum fraseri
Trichostema brachiatum
Tridax procumbens
Trientalis borealis
Trientalis latifolia
Trillium albidum
Trillium catesbaei
Trillium cernuum
Trillium chloropetalum
Trillium cuneatum
Trillium decumbens
Trillium discolor
Trillium flexipes
Trillium grandiflorum
Trillium lancifolium
Trillium luteum
Trillium ovatum
Trillium petiolatum
Trillium recurvatum
Trillium rugelii
Trillium sessile
Trillium stamineum
Trillium sulcatum
Trillium vaseyi
Triodanis perfoliata
Triosteum aurantiacum
Triosteum perfoliatum
Trieleia laxa
Trollius laxus
Urena lobata
Urtica dioica
Utricularia cornuta
Utricularia gibba
Utricularia intermedia
Utricularia vulgaris
Uvularia grandiflora
Uvularia perfoliata
Uvularia sessilifolia
Vaccinium angustifolium
Vaccinium corymbosum
Vaccinium macrocarpon
Vaccinium myrsinites
Vaccinium myrtilloides
Vaccinium oxycoccos
Vaccinium pallidum
Vaccinium stamineum
Valeriana pauciflora
Valeriana uliginosa
Valerianella radiata
Valerianella umbilicata
Vancouveria hexandra
Veratrum fimbriatum
Verbena bracteata
Verbena hastata
Verbena stricta
Verbena urticifolia
Verbesina alternifolia
Verbesina encelioides
Verbesina helianthoides
Verbesina occidentalis
Verbesina virginica
Verbesina walteri
Vernonia arkansana
Vernonia gigantea
Vernonia glauca
Veronica americana
Vernonia baldwinii
Veronica anagallis-aquatica
Veronica catenata
Veronica peregrina
Veronica scutellata
Veronicastrum virginicum
Viburnum cassinoides
Vicia caroliniana
Vigna luteola
Viola adunca
Viola blanda
Viola brittoniana
Viola canadensis
Viola conspersa
Viola cucullata
Viola fimbriatula
Viola glabella
Viola hastata
Viola hirsutula
Viola lanceolata
Viola macloskeyi
Viola palmata
Viola pedata
Viola pedatifida
Viola priceana
Viola primulifolia
Viola pubescens
Viola rostrata
Viola rotundifolia
Viola sagittata
Viola sororia
Viola striata
Viola walteri
Vitis acerifolia
Vitis aestivalis
Vitis riparia
Vitis rupestris
Waldsteinia fragarioides
Xanthium strumarium
Xyris torta
Yucca filamentosa
Yucca flaccida
Zephyranthes atamasca
Zigadenus fremontii
Zigadenus venenosus
Zinnia grandiflora
Zizia aptera
Zizia aurea

Non-Native Species

This is a list of broadly common non-natives in the US, and does not include locally common species, or things that are only occasional garden escapees.
Total non-native species listed here: 61

Abutilon theophrasti
Alliaria petiolata
Arctium minus
Barbarea vulgaris
Berteroa incana
Cardamine hirsuta
Centaurea stoebe
Cichorium intybus
Cirsium arvense
Cirsium vulgare
Commelina communis
Convolvulus arvensis
Datura stramonium
Daucus carota
Dianthus armeria
Dipsacus fullonum
Dipsacus laciniatus
Echium vulgare
Euphorbia cyparissias
Euphorbia esula
Gaillardia grandiflora
Galinsoga quadriradiata
Geranium pusillum
Glechoma hederifolia
Hemerocallis fulva
Hesperis matronalis
Hibiscus trionum
Hieracium aurantiacum
Hypericum perforatum
Lamium amplexicaule
Lamium purpureum
Leonurus cardiaca
Leucanthemum vulgare
Linaria vulgaris
Lonicera x bella
Lonicera morrowii
Lotus corniculatus
Lythrum salicaria
Malva neglecta
Melilotus officinalis
Nepeta cataria
Plantago lanceolata
Plantago major
Portulaca oleracea
Potentilla recta
Pueraria montana
Rosa multiflora
Rumex acetosella
Saponaria officinalis
Securigera varia
Silene latifolia
Silene vulgaris
Solanum dulcamara
Stellaria media
Taraxacum officinale
Tragopogon dubius
Trifolium pratense
Trifolium repens
Verbascum blattaria
Verbascum thapsus