Following are records of 349 wild or naturalized plant species
seen blooming in September during the last 23
years
in the Hamilton/Brantford areas.
| English Name | Latin Name | French Name |
|---|---|---|
| Agrimony | Agrimonia gryposepala | aigremoine à sépales crochus |
| Alexanders, Golden | Zizia aurea | zizia doré |
| Alfalfa * | Medicago sativa | luzerne cultivée |
| Alyssum, Hoary * | Berteroa incana | berteroa blanche |
| Amaranth, Green * | Amaranthus retroflexus | amaranthe à racine rouge |
| Amaranth, Slender | Amaranthus hybridus | amarante hybride |
| Apple-Of-Peru * | Nicandra physalodes | nicandre faux-coqueret |
| Arrowhead, Common | Sagittaria latifolia | sagittaire à feuilles larges |
| Artichoke, Jerusalem | Helianthus tuberosus | topinambur |
| Asparagus * | Asparagus officinalis | asperge |
| Aster, Amethyst | Symphyotrichum x amethystinum | aster améthyste |
| Aster, Arrow-Leaved | Symphyotrichum urophyllum | aster à feuilles sagittées |
| Aster, Azure (Sky Blue) | Symphyotrichum oolentangiense | aster azuré |
| Aster, Calico (Starved) | Symphyotrichum lateriflorum | aster latériflore |
| Aster, Flat-Topped | Doellingeria umbellata | aster à ombelles |
| Aster, Frost | Symphyotrichum pilosum | aster poilu |
| Aster, Heart-Leaved | Symphyotrichum cordifolium | aster à feuilles cordées |
| Aster, Heath | Symphyotrichum ericoides | aster éricoïde |
| Aster, Large-Leaved | Eurybia macrophylla | aster à grandes feuilles |
| Aster, New England | Symphyotrichum novae-angliae | aster de nouvelle-Angleterre |
| Aster, Panicled | Symphyotrichum lanceolatum | aster lancéolé |
| Aster, Purple-Stemmed | Aster puniceus | aster ponceau |
| Aster, Smooth | Symphyotrichum laeve | aster lisse |
| Aster, White Wood | Eurybia divaricata | aster à rameaux étalés |
| Avens, Catling's * | Geum x catlingii | benoîte de catling |
| Avens, White | Geum canadense | benoîte du Canada |
| Avens, Wood * | Geum urbanum | benoîte commune |
| Avens, Yellow | Geum aleppicum | benoîte d'alep |
| Balsam, Himalayan * | Impatiens glandulifera | balsamie de l'himmalaya |
| Basil, Wild | Clinopodium vulgare | sarriette commune |
| Beechdrops | Epifagus virginiana | épifage de Virginie |
| Beggar Tick | Bidens frondosa | bident feuillu |
| Beggar Tick, Swamp | Bidens connata | bident à feuilles connées |
| Beggar Tick, Tall | Bidens vulgata | bident vulgaire |
| Bellflower, Creeping * | Campanula rapunculoides | campanule fausse-raiponce |
| Bellflower, Tall | Campanula americana | campanule d'Amérique |
| Bergamot, Wild | Monarda fistulosa | monarde fistuleuse |
| Bindweed, Black * | Fallopia convolvulus | renouée liseron |
| Bindweed, Field * | Convolvulus arvensis | liseron des champs |
| Bindweed, Fringed | Fallopia cilinodis | renouée à noeuds ciliés |
| Bindweed, Hedge (Hedge False Bindweed) | Calystegia sepium | liseron des haies |
| Bittercress, Hairy * | Cardamine hirsuta | cardamine hérissée |
| Black-Eyed Susan | Rudbeckia hirta | rudbeckie hérissée |
| Blazing Star, Dense | Liatris spicata | liatris à épi |
| Bluestem, Big (Grass) | Andropogon gerardii | barbon de gerard |
| Boneset | Eupatorium perfoliatum | eupatoire perfoliée |
| Boneset, Tall | Eupatorium altissimum | eupatoire élevée |
| Bouncing Bet * | Saponaria officinalis | saponaire officinale |
| Buckwheat, Climbing False | Fallopia scandens | renouée grimpante |
| Bugleweed, Northern | Lycopus uniflorus | lycope à une fleur |
| Bugleweed, Rough | Lycopus asper | lycopus du nord du Québec |
| Bugloss, Viper's * | Echium vulgare | vipérine commune |
| Bunchberry | Cornus canadensis | cornouiller du Canada |
| Bur Cucumber, One-Seeded | Sicyos angulatus | sicyos anguleux |
| Bur-Marigold, Nodding | Bidens cernua | bident penché |
| Burdock, Common * | Arctium minus | bardane mineure |
| Burdock, Great * | Arctium lappa | grande bardane |
| Butter-And-Eggs * | Linaria vulgaris | linaire vulgaire |
| Buttercup, Tall * | Ranuculus acris | renoncule âcre |
| Butterfly Weed | Asclepias tuberosa | asclépiade tubéreuse |
| Campion, Bladder * | Silene vulgaris | sil ène enflé |
| Campion, Red * | Silene dioica | compagnon rouge |
| Campion, White (Evening Lychnis) * | Silene latifolia | sil ène à larges feuilles |
| Cancerwort, Round-leaved * | Kickxia spuria | linaire bâtarde |
| Cancerwort, Sharp-leaved* | Kickxia elatine | linaire élatine |
| Carpenter's Square (Figwort) | Scrophularia marilandica | scofulaire du maryland |
| Carpetweed * | Mollugo verticillata | mollugine verticillée |
| Catchfly, Night Flowering * | Silene noctiflora | sil ène noctiflore |
| Catnip * | Nepeta cataria | herbe à chat |
| Celandine * | Chelidonium majus | grande chélidoine |
| Chamomile, Scentless * | Matricaria maritima | matricaire inodore |
| Charlock * | Sinapis arvensis | moutarde des champs |
| Chickweed, Common * | Stellaria media | stellaire moyenne |
| Chickweed, Mouse-Ear * | Cerastium fontanum | céraiste vulgaire |
| Chicory, Wild * | Cichorium intybus | chicorée sauvage |
| Cinquefoil, Common | Potentilla simplex | potentille simple |
| Cinquefoil, Dwarf | Potentilla canadensis | potentille du Canada |
| Cinquefoil, Rough | Potentilla norvegica | potentille de norv ège |
| Cinquefoil, Silvery * | Potentilla argentea | potentille argentée |
| Cinquefoil, Sulphur * (Rough-fruited) | Potentilla recta | potentille dressée |
| Clearweed | Pilea pumila | piléa nain ou petite ortie |
| Cleavers | Galium aparine | gaillet gratteron |
| Clotbur, Common | Xanthium strumarium | lampourde glouteron |
| Clover, Alsike * | Trifolium hybridum | tr èfle alsike |
| Clover, Hop * | Trifolium aureum | tr èfle doré |
| Clover, Red * | Trifolium pratense | tr èfle rouge |
| Clover, White * | Trifolium repens | tr èfle blanc |
| Clover, White Sweet * | Melilotus alba | mélilot blanc |
| Clover, Yellow Sweet * | Melilotus officinalis | mélilot officinal |
| Comfrey, Common * | Symphytum officinale | consoude officinale |
| Coneflower, Cutleaf (Outhouse Plant) | Rudbeckia laciniata 'Hortensia' | rudbeckie laciniée 'hortensia' |
| Coneflower, Gray-Headed | Ratibida pinnata | ratibida à feuilles pennées |
| Coneflower, Purple * | Echinacea purpurea | echinacée pourpre |
| Coneflower, Tall | Rudbeckia laciniata | rudbeckie lacinée |
| Coneflower, Thin-Leaved * | Rudbeckia triloba | rudbeckie |
| Coreopsis, Lance-leaved | Coreopsis lanceolata | coréopsis lancéolée |
| Coreopsis, Tall | Coreopsis tripteris | coréopsis trifoliolé |
| Corydalis, Pink | Corydalis sempervirens | corydale toujours verte |
| Crabgrass, Large * | Digitaria sanguinalis | digitaire sanguine |
| Cress, Marsh Yellow | Rorippa palustris ssp.fernaldiana | rorippe palustre |
| Crowfoot, Bristly * | Ranunculus pensylvanicus | renoncule de Pennsylvanie |
| Crowfoot, Cursed | Ranunculus sceleratus | renoncule scélérate |
| Crown-vetch, Purple * | Securigera varia | coronille bigarrée |
| Cucumber, Wild | Echinocystis lobata | concombre grimpant |
| Cup Plant | Silphium perfoliatum | silphe perfolié |
| Daisy, Oxeye * | Leucanthemum vulgare | marguerite blanche |
| Dandelion, Common * | Taraxacum officinale | pissenlit officinal |
| Dandelion, Red-Seeded * | Taraxacum erythrospermum | pissenlit à graines rouges |
| Dayflower, Asiatic * | Commelina communis | comméline commune |
| Dead-Nettle, Purple * | Lamium purpureum | lamier pourpre |
| Dead-Nettle, Spotted * | Lamium maculatum | lamier maculé |
| Dock, Prairie | Silphium terebinthinaceum | silphe térébenthine |
| Dodder, Swamp (Common) | Cuscuta gronovii | cuscute de gronovius |
| Dogbane, Spreading | Apocynum androsaemifolium | apocyne à feuilles d'andros ème |
| Dogwood, Gray (S) | Cornus racemosa | cornouiller à grappes |
| Dogwood, Red-Osier (S) | Cornus stolonifera | cornouiller stolonif ère |
| Dogwood, Silky (Pale)(S) | Cornus obliqua | cornouiller oblique |
| Elecampane * | Inula helenium | inule aunée |
| Evening Primrose, Common | Oenothera biennis | onagre bisannuelle |
| Everlasting, Pearly | Anaphalis margaritacea | anaphale perlée |
| Everlasting, Sweet (Fragrant Cudweed) | Pseudognaphalium obtusifolium | gnaphale à feuilles obtuses |
| Feverfew * | Tanacetum parthenium | grande camomille |
| Fireweed | Chamerion angustifolium ssp angustifolium | épilobe à feuilles étroites |
| Flax, Common * | Linum usitatissimum | lin usuel |
| Fleabane, Common | Erigeron philadelphicus | érigéron de Philadelphie |
| Fleabane, Daisy | Erigeron annuus | vergerette annuelle |
| Fleabane, Lesser Daisy | Erigeron strigosus | vergette rude |
| Flower-Of-An-Hour * | Hibiscus trionum | ketmie trilobée |
| Forget-Me-Not, Smaller | Myosotis laxa | myositis laxiflore |
| Forget-Me-Not, True * | Myosotis scorpioides | myosotis scorpioïde |
| Foxtail, Meadow * (Grass) | Alopecurus pratensis | vulpin des prés |
| Galinsoga * | Galinsoga quadriradiata | galinsoga cilié |
| Galinsoga, Small-Flowered * | Galinsoga parviflora | galinsoga à petites fleurs |
| Geranium, Wild | Geranium maculatum | géranium maculé |
| Germander, American | Teucrium canadense | germandrée du Canada |
| Globe-thistle, Great * | Echinops sphaerocephalus | boulette commune |
| Goatsbeard, Meadow * | Tragopogon pratensis | salsifis des prés |
| Goatsbeard, Yellow * | Tragopogon dubius | salsifis majeur |
| Goldencreeper * | Thladiantha dubia | thladianthe douteuse |
| Goldenrod, Blue-Stemmed | Solidago caesia | verge d'or bleuâtre |
| Goldenrod, Canada | Solidago canadensis | verge d`or du Canada |
| Goldenrod, Early | Solidago juncea | verge d`or jonciforme |
| Goldenrod, Gray | Solidago nemoralis | verge d`or des bois |
| Goldenrod, Hairy | Solidago hispida | verge d`or hispide |
| Goldenrod, Lance-Leaved | Euthamia graminifolia | verge d`or à feuilles de graminée |
| Goldenrod, Late | Solidago gigantea | verge d'or géante |
| Goldenrod, Rough-Leaved | Solidago patula | verge d'or à feuilles rugueuses |
| Goldenrod, Seaside | Solidago sempervirens | verge d'or tourjours verte |
| Goldenrod, Stiff (Hard-Leaved) | Solidago rigida | verge d`or rigide |
| Goldenrod, Tall | Solidago altissima | verge d`or haute |
| Goldenrod, Zigzag | Solidago flexicaulis | verge d'or zigzag |
| Grape, Riverbank (Vine) | Vitis riparia | vigne des rivages |
| Grass, Indian | Sorghastrum nutans | faux-sorgho penché |
| Ground Cherry, Clammy | Physalis heterophylla | coqueret hétérophylle |
| Ground Ivy * | Glechoma hederacea | lierre terrestre |
| Groundnut | Apios americana | apios d`Amérique |
| Groundsel, Common * | Senecio vulgaris | séneçon vulgaire |
| Groundsel, Sticky * (S.Ragwort) | Senecio viscosus | séneçon visqueux |
| Harebell | Campanula rotundifolia | campanule à feuilles rondes |
| Hawkweed, Field * | Hieracium caespitosum | épervi ère des prés |
| Hawkweed, Orange * | Hieracium aurantiacum | épervi ère orangée |
| Hawkweed, Panicled ? | Hieracium paniculatum | épervi ère paniculée |
| Heal-All | Prunella vulgaris | brunelle commune |
| Hedge Nettle, Rough | Stachys tenuifolia | épiaire à feuilles minces |
| Hedge-Parsley, Upright * | Torilis japonica | torilis anthrisque |
| Hemp-nettle, Common * | Galeopsis tetrahit | galéopside à tige carrée |
| Henbit * | Lamium amplexicaule | lamier amplexicaule |
| Herb Robert * | Geranium robertianum | géranium de robert |
| Hog Peanut | Amphicarpa bracteata | amphicarpe bractéolée |
| Honeysuckle, Amur * (S) | Lonicera maackii | ch èvrefeuille de maack |
| Honeysuckle, Northern Bush (S) | Diervilla lonicera | di èreville ch èvrefeuille |
| Horehound, Black | Ballota nigra | marrube noir |
| Horehound, European * | Lycopus europaeus | lycope d'Europe |
| Horehound, Water | Lycopus americanus | lycope d'Amérique |
| Horsebalm, Canada | Collinsonia canadensis | collinsonie du Canada |
| Horseweed | Conyza canadensis | vergerette du Canada |
| Hound's Tongue * | Cynoglossum officinale | cynoglosse officinale |
| Hyssop, Yellow Giant (Catnip, G.H.) | Agastache nepetoides | agastache faux-népéta |
| Indian Tobacco | Lobelia inflata | lobélie gonflée |
| Indian-Pipe | Monotropa uniflora | monotrope uniflore |
| Jimsonweed * | Datura stramonium | stramoine commune |
| Joe-Pye Weed, Spotted | Eutrochium maculatum var. maculatum | eupatoire maculée |
| Johnny Jump-Up * | Viola tricolor | violette tricolore |
| Knapweed, Black * | Centaurea nigra | centaurée noire |
| Knapweed, Brown * | Centaurea jacea | centaurée jacée |
| Knapweed, Spotted * | Centaurea maculosa | centaurée maculée |
| Knotgrass, Common * | Polygonum aviculare | renouée des oiseaux |
| Knotweed, Japanese * | Polygonum cuspidatum | renouée japonaise |
| Knotweed, Pink | Polygonum pensylvanicum | renouée de Pennsylvanie |
| Knotweed, Virginia (Jumpseed) | Polygonum virginianum | renouée de Virginie |
| Ladies'-Tresses, Nodding | Spiranthes cernua | spiranthe penchée |
| Lady's Thumb, Spotted * | Persicaria maculosa | renouée persicaire |
| Leafcup, Small-Flowered | Polymnia canadensis | polymnie du Canada |
| Lettuce, Tall White | Prenanthes altissima | prenanthe élvéee |
| Lettuce, White | Prenanthes alba | prenanthe blanche |
| Lettuce, Wild | Lactuca canadensis | laitue du Canada |
| Live-Forever * | Hylotelephium telephium | orpin pourpre |
| Lobelia, Great | Lobelia siphilitica | lobélie bleue |
| Loosestrife, Purple * | Lythrum salicaria | lythrum salicaire |
| Loosestrife, Swamp | Decodon verticillatus | décodon verticillé |
| Loosestrife, Yellow (Swamp Candles) | Lysimachia thyrsiflora | lysimaque thyrsiflore |
| Lopseed | Phryma leptostachya | phryma à épis grêles |
| Madder, Wild (Bedstraw) * | Galium mollugo | gaillet mollugine |
| Mallow, Common(Cheeses) * | Malva neglecta | mauve négligée |
| Mallow, Indian * (Velvetleaf) * | Abutilon theophrasti | abutilon à pétales jaunes |
| Mallow, Musk * | Malva moschata | mauve musquée |
| Marjoram, Wild * | Origanum vulgare | origan vulgaire |
| Mayweed * | Anthemis cotula | camomille puante |
| Meadowsweet | Spiraea alba | spirée blanche |
| Medick, Black * | Medicago lupulina | luzerne lupuline |
| Medick, Hyrid *(Yellow Alfalfa) | Medicago X varia | luzerne rustique |
| Mercury, Three-Seeded | Acalypha rhomboidea | ricinelle rhomboïde |
| Milk-vetch, Canada | Astragalus canadensis | astragale du Canada |
| Milkweed, Common | Asclepias syriaca | asclépiade commune |
| Mint, Wild | Mentha arvensis | menthe des champs |
| Mint, Wooly * | Mentha X villosa | menthe velue |
| Monkey Flower | Mimulus ringens | mimule à fleurs entrouvertes |
| Motherwort * | Leonurus cardiaca | agripaume cardiaque |
| Mountain Mint, Slender | pycnanthemum tenuifolium | |
| Mountain Mint, Virginia | Pycnanthemum virginianum | pycnanth ème de Virginie |
| Mugwort, Common * | Artemisia vulgaris | armoise vulgaire |
| Mullein, Clasping-Leaved | Verbascum phlomoides | moléne fausse-phlomide |
| Mullein, Common * | Verbascum thapsus | grande mol ène |
| Mullein, Dark * | Verbascum nigrum | mol ène noire |
| Mullein, Moth * | Verbascum blattaria | mol ène blattaire |
| Mustard, Black * | Brassica nigra | moutarde noire |
| Mustard, Dog * | Erucastrum gallicum | moutarde des chiens |
| Mustard, Field * | Brassica rapa | moutarde des oiseaux |
| Mustard, Hedge * | Sisymbrium officinale | sisymbre officinal |
| Mustard, Indian * | Brassica juncea | moutarde de l'inde |
| Mustard, Tall Hedge | Sisymbrium loeselii | sisymbre de loesel |
| Mustard, Tumble * | Sisymbrium altissimum | sisymbre élevé |
| Mustard, Wormseed * | Erysimum cheiranthoides | vélar fausse-giroflée |
| Nettle, Stinging * | Urtica dioica ssp. dioica | ortie dioïque d'Amérique |
| Nettle, Tall | Urtica dioica ssp.gracilis | ortie dioïque d'Europe |
| Nettle, Wood | Laportea canadensis | grande ortie |
| Nightshade, Bittersweet * | Solanum dulcamara | morelle douce-am ère |
| Nightshade, Eastern Black | Solanum ptychanthum | morelle noire de l’est |
| Nightshade, Enchanter's | Circaea canadensis ssp.canadensis | circée du Canada |
| Nipplewort * | Lapsana communis | lapsane commune |
| Obedient Plant | Physostegia virginiana | physostégie à fleurs roses |
| Orach | Atriplex patula | arroche étalée |
| Ox-Tongue, Hawkweed * | Picris hieracioides | hélminthie fausse-épervi ère |
| Oxeye(False Sunflower) | Heliopsis helianthoides | héliopsis faux-hélianthe |
| Oyster Plant * | Tragopogon porrifolius | salsifis cultivé |
| Panicgrass, Old Switch aka Panicgrass | Panicum virgatum | panic raide |
| Parsnip, Water | Sium suave | berle douce |
| Parsnip, Wild * | Pastinaca sativa | panais sauvage |
| Pea, Everlasting * | Lathyrus latifolius | gesse à feuilles larges |
| Pennycress, Field * | Thlaspi arvense | tabouret des champs |
| Peppergrass, Field * | Lepidium campestre | lépidie des champs |
| Peppermint * | Mentha X piperita | menthe poivrée |
| Periwinkle * | Vinca minor | petite pervenche |
| Phlox, Garden * | Phlox paniculata | phlox paniculé |
| Phragmites (Grass) | Phragmites australis | roseau commun |
| Pickerelweed | Pontederia cordata | pontédérie cordée |
| Pigweed * | Chenopodium album | chénopode blanc |
| Pilewort (American Burnweed) | Erechtites hieraciifolius | érechitite à feuilles d'épervi ère |
| Pimpernel, Scarlet * | Lysimachia arvensis | mouron rouge |
| Pineapple Weed * | Matricaria discoidea | matricaire odorante |
| Pink, Deptford * | Dianthus armeria | oeillet arméria |
| Pitcher-Plant | Sarracenia purpurea | sarracénie pourpre |
| Plantain, Common * | Plantago major | plantain majeur |
| Plantain, English * | Plantago lanceolata | plantain lancéolé |
| Plantain, Red-Stemmed (Pale) | Plantago rugelii | plantain de rugel |
| Pokeweed | Phytolacca americana | phytolaque d'Amérique |
| Purslane * | Portulaca oleracea | pourpier potager |
| Queen Anne's Lace * | Daucus carota | carotte sauvage |
| Ragweed, Common | Ambrosia artemisiifolia | petite herbe à poux |
| Ragweed, Great | Ambrosia trifida | grande herbe à poux |
| Ragweed, Perennial (Western) | Ambrosia psilostachya | herbe à poux vivace |
| Raspberry, Purple-Flowering (S) | Rubus odoratus | ronce odorante |
| Raspberry, Wild Red (S) | Rubus idaeus | framboisier sauvage |
| Rice, Southern Wild | Zizania aquatica | zizanie aquatique |
| Rocket, Dame's * | Hesperis matronalis | julienne des dames |
| Rocket, Sea | Cakile edentula | caquillier édentulé |
| Rose, Rugosa * | Rosa rugosa | rosier rugueux |
| Saint Johnswort, Common * | Hypericum perforatum | millepertuis commun |
| Saint Johnswort, Dwarf | Hypericum mutilum | millepertuis nain |
| Saint Johnswort, Shrubby | Hypericum punctatum | millepertuis ponctué |
| Scorpion-Grass, Blue * | Myosotis stricta | myosotis à tiges dressées |
| Shepherd's Purse * | Capsella bursa-pastoris | bourse-à -pasteur |
| Silverrod | Solidago bicolor | verge d`or bicolore |
| Silverweed | Argentia anserina | potentille ansérine |
| Skullcap, Mad-dog | Scutellaria lateriflora | scutellaire latériflore |
| Skullcap, Marsh | Scutellaria galericulata | scutellaire à feuilles d'épilobe |
| Smartweed, Dotted (Water) (P.Punctatum) | Polygonum punctatum | renouée ponctuée |
| Smartweed, Long-bristled * | Persicaria longiseta | renouée à soies longues |
| Smartweed, Pale or Nodding | Persicaria lapathifolia | persicaire pâle |
| Smartweed, Water | Persicaria amphibia | renouée amphibie |
| Snakeroot, White | Ageratina altissima | eupatoire rugueuse |
| Snapdragon, Dwarf * | Chaenorrhinum minus | chénorhinum mineur |
| Snow-On-The-Mountain * | Euphorbia marginata | euphorbe panachée |
| Snowberry (Thin-leaved Snowberry) | Symphoricarpos albus | symphorine blanche |
| Sorrel, Sheep * | Rumex acetosella | petite oseille |
| Sow Thistle, Common * | Sonchus oleraceus | laiteron potager |
| Sow Thistle, Field * | Sonchus arvensis | laiteron des champs |
| Sow Thistle, Spiny-Leaved * | Sonchus asper | laiteron rude |
| Spearmint * | Mentha spicata | menthe à épis |
| Speedwell, Common * | Veronica officialis | véronique officinale |
| Speedwell, Thyme-Leaved * | Veronica serpyllifolia | véronique à feuilles de serpolet |
| Speedwell, Water * | Veronica anagallis-aquatica | véronique mouron d'eau |
| Spiderwort * | Tradescantia virginiana | tradescantie de Virginie |
| Spurge, Cypress * | Euphorbia cyparissias | euphorbe cypr ès |
| Spurge, Leafy * | Euphorbia esula | euphorbe ésule |
| Spurge, Petty * | Euphorbia peplus | euphorbe des jardins |
| Spurge, Spotted* | Chamaesyce maculata | ricinelle maculée |
| Spurge, Sun | Euphorbia helioscopia | euphorbe réveille-matin |
| Stickseed, Virginia | Hackelia virginiana | hackélia de Virginie |
| Stitchwort, Lesser * | Stellaria graminea | stellaire graminée |
| Stonecrop, Ditch | Penthorum sedoides | penthorum faux-orpin |
| Storksbill * | Erodium cicutarium | érodium cicutaire |
| Strawberry, Field | Fragaria virginiana | fraisier de Virginie |
| Strawberry, Woodland | Fragaria vesca | fraisier des bois |
| Summer-Cypress * | Kochia scoparia | kochia à balais |
| Sunflower, Common * | Helianthus annuus | tournesol |
| Sunflower, Pale Leaved | Helianthus strumosus | hélianthe scrofuleux |
| Sunflower, Saw-toothed | Helianthus grosseserratus | hélianthe à grosses dents |
| Sunflower, Tall (Giant) | Helianthus giganteus | hélianthe géant |
| Sunflower, Thin-Leaved (Ten-rayed) | Helianthus decapetalus | hélianthe à dix rayons |
| Sunflower, Woodland | Helianthus divaricatus | hélianthe à feuilles étalées |
| Swallowwort * | Cynanchum rossicum | cynanche |
| Swallowwort, Black * | Cynanchum nigrum | cynanche noir |
| Swallowwort, White * | Cynanchum vincetoxicum | dompté-venin |
| Tansy * | Tanacetum vulgare | tanaisie vulgaire |
| Tea, New Jersey | Ceanothus americanus | céanonthe d`Amérique |
| Tea, Oswego | Monarda didyma | thé d'oswego |
| Tearthumb, Arrow-Leaved | Polygonum sagittatum | renouée sagittée |
| Teasel * | Dipsacus fullonum | card ère des bois |
| Thistle, Bull * | Cirsium vulgare | oursin à têtes rondes |
| Thistle, Canada * | Cirsium arvense | chardon des champs |
| Thistle, Nodding * | Carduus nutans | chardon penché |
| Thistle, Scotch * | Onopordum acanthium | acanthe sauvage |
| Tick-Trefoil, Large-Bracted | Desmodium cuspidatum | desmodie cuspidée |
| Tick-Trefoil, Pointed-Leaved | Desmodium glutinosum | desmodie glutineuse |
| Tick-Trefoil, Showy (Canada) | Desmodium canadense | desmodie du Canada |
| Touch-Me-Not, Pale | Impatiens pallida | impatiente pâle |
| Touch-Me-Not, Spotted | Impatiens capensis | impatiente biflore |
| Trefoil, Birdsfoot * | Lotus corniculatus | lotier corniculé |
| Trumpet Creeper | Campsis radicans | jasmine de Virginie |
| Turtlehead | Chelone glabra | galane glabre |
| Valerian, Garden * | Valeriana officinalis | valériane officinale |
| Vervain, Blue | Verbena hastata | verveine hastée |
| Vervain, White | Verbena urticifolia | verveine à feuilles d`ortie |
| Vetch, Cow * (Tufted V.) | Vicia cracca | vesce jargeau |
| Vetch, Hairy * (Shaggy V.) | Vicia villosa | vesce velue |
| Vetch, Narrow-leaved * | Vicia sativa var. angustifolia | vesce à folioles étroites |
| Vetch, Slender * (Four-seeded V.) | Vicia tetrasperma | vesce à quatre graines |
| Violet, Canada | Viola canadensis | violette du Canada |
| Violet, Downy Yellow | Viola pubescens | violette pubescente |
| Virgin's Bower | Clematis virginiana | clématite de Virginie |
| Wall-Rocket, Narrow-Leaved * | Diplotaxis tenuifolia | diplotaxis à feuilles ténues |
| Wallrocket * | Diplotaxis muralis | diplotaxis des murs |
| Water Lily, Sweet Scented | Nymphaea odorata | le lis d'eau |
| Water Pepper | Polygonum hydropiper | renouée poivre-d'eau |
| Water Plantain, Northern | Alisma triviale (FA West Pond) | alisma commun |
| Willow Herb, Hairy * | Epilobium hirsutum | épilobe hirsute |
| Willow Herb, Northern | Epilobium ciliatum ssp.glandulosum | épilobe glanduleux |
| Willow Herb, Purple-Veined (P-leaved) | Epilobium coloratum | épilobe coloré |
| Willow Herb, Sparse-Flowered * | Epilobium parviflorum | épilobe à petites fleurs |
| Wintergreen | Gaultheria procumbens | gaulthérie couchée |
| Witch-hazel, American | Hamamelis virginiana | hamamélis de Virginie |
| Wood Sorrel, Creeping | Oxalis corniculata | oxalide cornue |
| Wood Sorrel, Yellow | Oxalis stricta | oxalide d'Europe |
| Wormwood Species | Artemisia sp. | esp èce de armoise |
| Wormwood, Sweet * | Artemisia annua | armoise annuelle |
| Yarrow, Common * | Achillea millefolium | achillée millefeuille |
Dean A. Gugler
Amateur Naturalist