Index of Common Names

acid-water arrowheadSagittaria engelmanniana J. G. Small — 9 images
alder-leaved mountain-ashSorbus alnifolia (Siebold et Zucc.) K. Koch — 1 image
Allegheny blackberry, common blackberryRubus allegheniensis Porter — 23 images
Allegheny buttercupRanunculus allegheniensis Britton — 5 images
alsike cloverTrifolium hybridum L. — 5 images
American beechFagus grandifolia Ehrh. — 35 images
American bittersweetCelastrus scandens L. — 8 images
American black currantRibes americanum P. Miller — 4 images
American black nightshadeSolanum ptycanthum Dun. — 8 images
American chestnutCastanea dentata (Marsh.) Borkh. — 45 images
American cranberry, large cranberryVaccinium macrocarpon Ait. — 33 images
American dog violetViola conspersa Reichenb. — 11 images
American duckweedLemna valdiviana Phil. — 2 images
American elm, white elmUlmus americana L. — 19 images
American field mintMentha canadensis L. ( = arvensis var. villosa (Benth.) S.R. Stewart) — 6 images
American germander, saltmarsh germanderTeucrium canadense L. — 11 images
American hazelnutCorylus americana Walt. — 22 images
American heal-allPrunella vulgaris ssp. lanceolata (W. Barton) Hulten — 1 image
American hollyIlex opaca Ait. — 38 images
American starflowerTrientalis borealis Raf. ( = Lysimachia borealis (Raf.) U. Manns et A. Anderb.) — 10 images
American water-horehoundLycopus americanus Muhl. ex W. Barton — 10 images
American white waterlily, fragrant waterlilyNymphaea odorata Ait. — 19 images
American willowherbEpilobium ciliatum Raf. — 14 images
Amur corktreePhellodendron amurense Rupr. — 21 images
Amur honeysuckleLonicera maackii (Rupr.) Maxim. — 18 images
Amur peppervine, porcelain berryAmpelopsis brevipedunculata (Maxim.) Trautv. ( = heterophylla var. brevipedunculata C. L. Li) — 9 images
annual bluegrassPoa annua L. — 16 images
annual glasswortSalicornia maritima Wolff et Jefferies ( = europaea auct. non L.) — 24 images
annual honestyLunaria annua L. — 11 images
annual knawelScleranthus annuus L. — 9 images
annual ragweedAmbrosia artemisiifolia L. — 15 images
annual saltmarsh asterAster subulatus Mischaux ( = Symphyotrichum subulatum (Michaux) Nesom) — 10 images
annual sow-thistleSonchus oleraceus L. — 10 images
annual umbrella-sedgeFuirena pumila (Torrey) Sprengel — 29 images
Appalachian polypodyPolypodium appalachianum Haufler et Windham — 3 images
appleMalus pumila P. Miller — 3 images
arbor vitaeThuja occidentalis L. — 8 images
arrow-arumPeltandra virginica (L.) Schott — 12 images
arrowleaf tearthumbPolygonum sagittatum L. ( = Persicaria sagittata (L.) H. Gross) — 15 images
arrowleaf violetViola sagittata Aiton ( = fimbriatula J.I. Smith) — 28 images
ash willowSalix cinerea L. — 36 images
Asiatic sweetleaf, sapphireberrySymplocos paniculata (Thunb.) Miq. — 2 images
Atlantic ivyHedera hibernica (G. Kirchn.) Bean — 8 images
Atlantic Joe-Pye-weedEupatorium dubium Willd. ex Poiret ( = Eutrochium dubium (Willd. ex Poir.) E.E. Lamont) — 22 images
Atlantic white cedarChamaecyparis thyoides (L.) B.S.P. — 57 images
Austrian pinePinus nigra Arnold — 9 images
autumn olive, oleasterElaeagnus umbellata Thunb. — 32 images
autumn willowSalix serissima (Bailey) Fern. — 11 images
awned vernalgrass, Puel's vernalgrassAnthoxanthum aristatum Boiss. — 3 images
awnless bromeBromus inermis Leysser — 4 images
awnless woodland-muhlyMuhlenbergia sobolifera (Muhl. ex Willd.) Trin. — 1 image
balm-of-GileadPopulus x jackii Sarg. ( = balsamifera x deltoides ) — 1 image
balsam firAbies balsamea (L.) P. Miller — 27 images
balsam poplarPopulus balsamifera L. — 5 images
barnyard grassEchinochloa crus-galli (L.) Beauv. — 11 images
barren bromeBromus sterilis L. — 4 images
barren oakQuercus marilandica Muench. — 1 image
basket willowSalix purpurea L. — 4 images
basswood, American lindenTilia americana L. — 18 images
bastard toadflaxComandra umbellata (L.) Nutt. — 19 images
bayberryMyrica pensylvanica Loisel. ( = Morella pensylvanica (Mirbel) Kartesz) — 32 images
bay forget-me-notMyosotis laxa Lehm. — 5 images
bayonet rushJuncus militaris Bigelow — 32 images
beach beanStrophostyles helvola (L.) Ell. — 7 images
beach peaLathyrus japonicus var. maritimus (L.) Kartesz et Gandhi — 14 images
beach pinweedLechea maritima Leggett ex B.S.P. — 64 images
beach plumPrunus maritima Marsh. — 42 images
beaked hazelnutCorylus cornuta Marsh. — 18 images
bearberryArctostaphylos uva-ursi (L.) Sprengel — 23 images
Bebb's willowSalix bebbiana Sarg. — 27 images
beech-dropsEpifagus virginiana (L.) W.P.C. Barton — 14 images
beggar-ticksBidens frondosa L. — 13 images
big bluestemAndropogon gerardii Vitman — 16 images
big cordgrassSpartina cynosuroides (L.) Roth — 5 images
big-headed horned sedgeRhynchospora macrostachya Torrey ex A. Gray — 30 images
big-leaved pondweedPotamogeton amplifolius Tuckerman — 3 images
big quaking grassBriza maxima L. — 3 images
big star sedgeCarex rosea Schkuhr ex Willd. — 7 images
bigtooth aspenPopulus grandidentata Michaux — 28 images
big water-smartweed, coarse smartweedPolygonum robustius (Small) Fern. ( = robustior (Small) Bicknell, punctatum var. majus (Meisner) Fassett) — 7 images
birdfoot-trefoilLotus corniculatus L. — 8 images
birdseye speedwellVeronica chamaedrys L. — 2 images
birdsfoot violetViola pedata L. — 29 images
bird vetchVicia cracca L. — 16 images
bitternut hickory, swamp hickoryCarya cordiformis (Wangenh.) K. Koch — 24 images
bitter panic grassPanicum amarum ssp. amarulum (A.S. Hitchc. et Chase) Freckmann et Lelong ( = Panicum amarulum A.S. Hitchc. et Chase) — 11 images
black ashFraxinus nigra Marshall — 20 images
black bulrushScirpus atrovirens var. georgianus (Harper) Fern. ( = georgianus Harper) — 5 images
black cherryPrunus serotina Ehrh. — 52 images
black chokeberryAronia melanocarpa (Michx.) Ell. ( = Photinia melanocarpa (Michaux) Robertson et Phipps) — 27 images
black-eyed SusanRudbeckia hirta var. pulcherrima Farw. — 8 images
black-fruited spike-rushEleocharis melanocarpa Torrey — 36 images
black-girdled woolsedge, dusky woolgrassScirpus atrocinctus Fern. — 1 image
black highbush blueberryVaccinium fuscatum Ait. ( = atrococcum (Gray) Heller) — 7 images
black huckleberryGaylussacia baccata (Wangenh.) K. Koch — 26 images
black locustRobinia pseudoacacia L. — 27 images
black medickMedicago lupulina L. — 5 images
black nightshadeSolanum nigrum L. — 4 images
black oakQuercus velutina Lam. — 30 images
black oatgrassPiptochaetium avenaceum (L.) Parodi ( = Stipa avenacea L.) — 18 images
black raspberryRubus occidentalis L. — 12 images
black snakerootSanicula marilandica L. — 3 images
black sprucePicea mariana (P. Miller) B.S.P. — 31 images
black swallowwortCynanchum louiseae Kartez et Ghandi ( = nigrum (L.) Pers.) — 19 images
black walnutJuglans nigra L. — 9 images
black willowSalix nigra Marsh. — 41 images
bladder-campionSilene vulgaris (Moench) Garcke ( = cucubalus Wibel) — 6 images
bladder-sedge or swamp sedgeCarex intumescens Rudge — 14 images
bladder sennaColutea arborescens L. — 3 images
Blake's asterAster x blakei (Porter) House ( = Oclemena x blakei (Porter) Nesom, acuminatus x nemoralis ) — 4 images
blanket flowerGaillardia x grandiflora (G. aristata x G. pulchella) — 1 image
bloodrootSanguinaria canadensis L. — 18 images
bluebead-lilyClintonia borealis (Aiton) Ref. — 16 images
blue cohoshCaulophyllum thalictroides (L.) Michaux — 4 images
blue heart-leaf asterAster cordifolius Michaux ( = Symphyotrichum cordifolium G.L.Nesom 1994) — 9 images
blue huckleberry, dangleberryGaylussacia frondosa (L.) Torr. et Gray ex Torr. — 19 images
blue prucePicea pungens Engelm. — 6 images
blue scorpion-grassMyosotis stricta Link ex Roemer et J.A. Schultes — 4 images
blue toadflax, old-field toadflaxNuttallanthus canadensis (L.) D.A. Sutton ( = Linaria canadensis (L.) Chaz.) — 29 images
bluetsHoustonia caerulea L. ( = Hedeyotis caerulea (L.) Hooker) — 26 images
blue vervain, common vervainVerbena hastata L. — 18 images
blunt broom sedgeCarex tribuloides Wahlenb. — 10 images
blunt-leaved bedstraw or large marsh bedstrawGalium obtusum Bigelow — 4 images
blunt-lobed liverleafHepatica nobilis var. obtusa (Pursh) Steyermark ( = Anemone americana (DC.) H. Hara) — 17 images
bogbeansMenyanthes trifoliata L. — 7 images
bog huckleberryGaylussacia dumosa var. bigelowiana Fern. ( = bigelowiana (Fern.) Sorrie et Weakley) — 4 images
bog laurelKalmia polifolia Wangenh. — 2 images
bog rosemaryAndromeda polifolia var. glaucophylla (Link) DC. — 3 images
bog white violet, lanceleaf violetViola lanceolata L. — 25 images
bog willowSalix pedicellaris Pursh — 24 images
bog yellow-eyed grassXyris difformis Chapman — 10 images
Bohemian knotweedPolygonum x bohemicum ( = Fallopia x bohemica (Chrtek et Chrtkova) J.P. Balley, P. cuspidatum x P. sachalinense ) — 14 images
boneset, thoroughwortEupatorium perfoliatum L. — 26 images
border forsythiaForsythia intermedia Zabel — 14 images
Boston ivyParthenocissus tricuspidata (Zieb. et Zucc.) Planchon — 7 images
bottlebrush grassHystrix patula Moench ( = Elymus hystrix L.) — 8 images
bottle sedgeCarex utriculata Boott ( = rostrata var. utriculata (Boott) Bailey) — 11 images
bouncing bet, soapwortSaponaria officinalis L. — 6 images
boxelderAcer negundo L. — 6 images
boxelderAcer negundo var. violaceum (Kirsch.) Jaeg. — 18 images
bracken fernPteridium aquilinum (L.) Kuhn — 19 images
bracted plantainPlantago aristata Michaux — 12 images
branching centauryCentaurium pulchellum (Sw.) Druce — 4 images
Brazilian waterweed, Brazilian elodeaEgeria densa Planchon — 4 images
bristly aster, swamp asterAster puniceus L. ( = Symphyotrichum puniceum A. et D. Löve 1982) — 6 images
bristly blackberry, bog blackberryRubus setosus Bigelow — 5 images
bristly dewberry, swamp dewberryRubus hispidus L. — 26 images
bristly foxtailSetaria parviflora (Poiret) Kerguelen — 4 images
bristly locustRobinia hispida L. — 9 images
bristly sarsaparillaAralia hispida Vent. — 20 images
bristly sedgeCarex comosa Boott — 18 images
broad beech fernPhegopteris hexagonoptera (Michaux) Fée — 5 images
broad-leaved cattailTypha latifolia L. — 22 images
broad-leaved panic-grassDichanthelium latifolium (L.) Gould et Glark — 7 images
broad-leaved peppergrassLepidium latifolium L. — 8 images
broad-leaved ragwortSenecio obovatus Muhl. ex Willd. ( = Packera obovata (Muhl. ex Willd.) W.A. Weber et A. Love) — 7 images
broad-leaved spring-beautyClaytonia caroliniana Michx. — 4 images
broad-leaved woodland sedgeCarex platyphylla Carey — 2 images
brome-like sedgeCarex bromoides Schkuhr ex Willd. — 6 images
broom-crowberryCorema conradii (Torrey) Torrey ex Loudon — 36 images
broom sedgeCarex scoparia Schkuhr ex Willd. — 9 images
brown beak-rushRhynchospora capitellata (Michx.) Vahl — 27 images
brown knapweedCentaurea jacea L. — 13 images
bulblet water-hemlockCicuta bulbifera L. — 12 images
bulbous bittercress, spring cressCardamine bulbosa (Schreb. ex Muhl.) B.S.P. — 7 images
bulbous bluegrassPoa bulbosa L. — 11 images
bull thistleCirsium vulgare (Savi) Ten. — 23 images
bunchberry, dwarf cornelCornus canadensis L. ( = Chamaepericlymenum canadense (L.) Aschers. et Graebn.) — 12 images
bunched broomsedgeAndropogon glomeratus (Walter) B.S.P. ( = virginicus var. abbreviatus (Hackel) Fern. et Grisc.) — 9 images
bush-honeysuckleDiervilla lonicera L. — 14 images
bushy rockroseHelianthemum dumosum (Bicknell) Fern. ( = Crocanthemum dumosum Bicknell) — 17 images
butter-and-eggsLinaria vulgaris P. Miller — 7 images
butterburPetasites hybridus (L.) Gaertner, B. Meyer et Scherb. — 10 images
butterfly bush, summer lilacBuddleja davidii Franch. — 19 images
butterfly milkweedAsclepias tuberosa L. — 15 images
butternutJuglans cinerea L. — 10 images
button sedgeCarex bullata Schkuhr ex Willd. — 19 images
buttonweedDiodia teres Walter — 15 images
calico asterAster lateriflorus (L.) Britton ( = Symphyotrichum lateriflorum (L.) A. et D. Löve 1982) — 5 images
California privetLigustrum ovalifolium Hassk. — 6 images
Canada anemoneAnemone canadensis L. — 2 images
Canada bluejointCalamagrostis canadensis (Michaux) Beauv. — 35 images
Canada goldenrodSolidago canadensis L. — 6 images
Canada lily, wild yellow lilyLilium canadense L. — 17 images
Canada mayflowerMaianthemum canadense Desf. — 9 images
Canada thistleCirsium arvense (L.) Scop. — 11 images
Canada yewTaxus canadensis Marsh. — 19 images
Canadian St. John's-wortHypericum canadense L. — 12 images
Canadian wild gingerAsarum canadense L. — 7 images
cardinalflowerLobelia cardinalis L. — 19 images
Carey's smartweedPolygonum careyi Olney ( = Persicaria careyi (Olney) Greene) — 21 images
Carolina fanwortCabomba caroliniana A. Gray — 35 images
Carolina geraniumGeranium carolinianum L. — 3 images
Carolina rose, pasture roseRosa carolina L. — 6 images
Carolina silverbellHalesia carolina L. — 5 images
carpetweedMollugo verticillata L. — 13 images
carrion-flowerSmilax herbacea L. — 8 images
castor aralia Kalopanax septemlobus Koidzumi ( = K. pictus (Thunb.) Nakai) — 11 images
catberryNemopanthus mucronatus (L.) Loes. ( = Ilex mucronata (L.) M. Powell, Savol. et S. Andrews) — 40 images
catbrier, bullbrierSmilax rotundifolia L. — 24 images
catnipNepeta cataria L. — 1 image
cattailTypha sp. — 2 images
cat-tail sedgeCarex typhina Michaux — 4 images
Caucasus gypsophilaGypsophila elegans Bieb. — 2 images
celandineChelidonium majus L. — 3 images
Chapman's bluegrassPoa chapmaniana Scribner — 4 images
checkered rattlesnake-plantainGoodyera tesselata Lodd. — 18 images
cheesesMalva neglecta Wallr. — 5 images
chervilAnthriscus sylvestris (L.) Hoffmann — 5 images
chestnut oakQuercus prinus L. — 22 images
chicoryCichorium intybus L. — 7 images
Chinese bush-cloverLespedeza cuneata (Dum.-Cours.) G.Don — 15 images
Chinese corktreePhellodendron chinense Schneider — 2 images
Chinese lantern plantPhysalis alkekengi L. — 5 images
Chinese smartweedPolygonum cespitosum var. longisetum (deBruyn) A.N. Steward — 18 images
Chinese wisteriaWisteria sinensis (Sims) DC. — 6 images
chokecherryPrunus virginiana L. — 24 images
Christmas fernPolystichum acrostichoides (Michaux) Schott — 19 images
cinnamon fernOsmunda cinnamomea L. — 24 images
city avensGeum urbanum L. — 9 images
clasping aster, skydropsAster patens Ait. ( = Symphyotrichum patens (Ait.) Nesom 1994) — 12 images
clasping hartleaf asterAster undulatus L. ( = Symphyotrichum undulatum (L.) Nesom 1994) — 10 images
clasping milkweedAsclepias amplexicaulis Sm. — 13 images
Clayton's bedstrawGalium tinctorium (L.) Scop. — 21 images
clearweed, richweedPilea pumila (L.) A. Gray — 12 images
cleaversGalium aparine L. — 10 images
cleft hempnettleGaleopsis bifida Boenn. — 8 images
climbing false buckwheatPolygonum scandens L. ( = Fallopia scandens (L.) Holub) — 18 images
climbing hempvineMikania scandens (L.) Willd. — 16 images
climbing nightshade, bittersweet nightshadeSolanum dulcamara L. — 14 images
Clinton's wood fernDryopteris clintoniana (D.C. Eaton ex A. Gray) Dowell — 1 image
cluster-leaved ticktrefoilDesmodium glutinosum (Muhl. ex Willd.) Wood ( = Hylodesmum glutinosum (Mull. ex Willd.) H.Ohashi et R.R. Mill) — 5 images
coastal mannagrassGlyceria obtusa (Muhl.) Trin. — 12 images
coastal plain slender goldenrodEuthamia caroliniana (L.) Greene ex Port. et Britt. ( = Solidago tenuifolia Pursh) — 17 images
coastal sandburCenchrus spinifex Cav. ( = parviflorus Benth.) — 9 images
coast-blite, red goosefootChenopodium rubrum L. — 14 images
cocklebur, clotburXanthium echinatum Murray ( = strumarium var. canadense (P.Miller) Torrey et Gray) — 16 images
cockspur hawthornCrataegus crus-galli L. — 8 images
colic-rootAletris farinosa L. — 9 images
coltsfootTussilago farfara L. — 26 images
common agrimony, woodland agrimonyAgrimonia gryposepala Wallr. — 7 images
common arrowheadSagittaria latifolia Willd. — 17 images
common barberryBerberis vulgaris L. — 15 images
common bittercressCardamine pensylvanica — 5 images
common bladderwort, great bladderwortUtricularia vulgaris L. ( = macrorhiza Le Conte) — 10 images
common blue violetViola sororia Willd. ( = papilionacea Pursh) — 27 images
common buckthornRhamnus cathartica L. — 17 images
common bugleAjuga reptans — 4 images
common bulrushScirpus cyperinus (L.) Kunth — 17 images
common bur-reedSparganium americanum Nutt. — 22 images
common buttonbushCephalanthus occidentalis L. — 15 images
common chickweedStellaria media (L.) Vill. — 20 images
common cinquefoilPotentilla simplex Michaux — 5 images
common dandelionTaraxacum officinale G.H. Weber ex Wiggers — 10 images
common elderberrySambucus canadensis L. — 18 images
common evening primroseOenothera biennis L. — 31 images
common flat-topped goldenrodEuthamia graminifolia (L.) Nutt. ( = Solidago graminifolia (L.) Salisb.) — 9 images
common flaxLinum usitatissimum L. — 8 images
common foxgloveDigitalis purpurea L. — 4 images
common groundselSenecio vulgaris L. — 5 images
common hackberryCeltis occidentalis L. — 24 images
common hairgrassDeschampsia flexuosa (L.) Trin. — 8 images
common hopHumulus lupulus L. — 4 images
common hoptree, stinking ashPtelea trifoliata L. — 4 images
common juniper, pasture juniperJuniperus communis var. depressa Pursh — 29 images
common limeTilia x vulgaris Hayne ( = cordata x platyphyllos ) — 2 images
common marsh bedstrawGalium palustre L. — 4 images
common milkweedAsclepias syriaca L. — 24 images
common mouse-ear chickweedCerastium vulgatum L. ( = fontanum ssp. vulgare (Hartman) Greuter et Burdet) — 15 images
common mulleinVerbascum thapsus L. — 24 images
common pepperweedLepidium densiflorum Schrader — 1 image
common plantain, white man's footPlantago major L. — 8 images
common purslanePortulaca oleracea L. — 10 images
common reedPhragmites australis (Cav.) Trin. ex Steudel — 35 images
common rushJuncus effusus L. — 10 images
common sand spurreySpergularia rubra (L.) J. et K. Presl — 10 images
common sedgeCarex communis Bailey — 8 images
common serviceberry, smooth shadbushAmelanchier arborea (Michaux f.) Fern. — 16 images
common speedwellVeronica officinalis L. — 8 images
common St. John's-wortHypericum perforatum L. — 9 images
common sunflower, mirasolHelianthus annuus L. — 3 images
common tansyTanacetum vulgare L. — 14 images
common teaselDipsacus fullonum L. — 4 images
common threesquareScirpus pungens Vahl. ( = americanus auct. non Pers.) — 7 images
common viper's bugloss, blue weedEchium vulgare L. — 3 images
common winterberryIlex verticillata (L.) Gray — 28 images
common woodreedCinna arundinacea L. — 2 images
common woodrushLuzula multiflora (Retz.) Lej. — 18 images
common wormwood, mugwortArtemisia vulgaris L. — 13 images
common yellow woodsorrelOxalis stricta L. ( = europaea Jordan) — 15 images
Cooper's hardy iceplant, trailing iceplantDelosperma cooperi (Hook. f.) L. Bolus ( = Mesembryanthemum cooperi Hook. f.) — 17 images
corn speedwellVeronica arvensis L. — 13 images
corn spurreySpergula arvensis L. — 23 images
cow herbVaccaria hispanica (P. Miller) Rauschert ( = Saponaria vaccaria L.) — 4 images
cow parsnipHeracleum maximum Bartram ( = lanatum Michaux) — 36 images
cowwheatMelampyrum lineare Desr. — 9 images
cream-colored avensGeum virginianum L. — 1 image
creeping buttercupRanunculus repens L. — 11 images
creeping jenny, moneywortLysimachia nummularia L. — 4 images
creeping snowberryGaultheria hispidula (L.) Muhl. ex Bigelow ( = Chiogenes hispidula (L.) Torrey and A. Gray) — 9 images
creeping sorrelOxalis corniculata L. ( = repens Thunberg) — 10 images
creeping spike-rushEleocharis palustris (L.) Roem. et Schultes — 7 images
crested wood fernDryopteris cristata (L.) A. Gray — 17 images
Cretian viper's buglossEchium creticum L. ( = Echium australe Lam.) — 8 images
crinklerootCardamine diphylla (Michaux) Wood ( = Dentaria diphylla Michaux) — 6 images
crispy or curly pondweedPotamogeton crispus L. — 1 image
cross-leaved milkwortPolygala cruciata L. — 19 images
crowded sedgeCarex cumulata (Bailley) Mackenzie — 10 images
crowfoot, bulbous buttercupRanunculus bulbosus L. — 12 images
crown-vetchCoronilla varia L. — 2 images
cuckoo-flowerCardamine pratensis L. — 14 images
cultivar 'Viking'Aronia mitschurinii Skvorts. ( = melanocarpa x Sorbus aucuparia ) — 3 images
curly dockRumex crispus L. — 21 images
cut-leaved grape-fernBotrychium dissectum Sprengel — 8 images
cut-leaved mermaid-weedProserpinaca pectinata Lam. — 3 images
cypress spurgeEuphorbia cyparissias L. — 10 images
dame's rocketHesperis matronalis L. — 13 images
dayflowerCommelina communis L. — 3 images
debtford pinkDianthus armeria L. — 5 images
deerberryVaccinium stamineum L. — 6 images
deer-tongueDichanthelium clandestinum (L.) Gould ( = Panicum clandestinum L.) — 10 images
delicate sedgeCarex leptalea Wahlenb. — 4 images
depauperate panic-grassDichanthelium depauperatum (Muhl.) Gould — 3 images
dewdropDalibarda repens L. ( = Rubus dalibarda L.) — 2 images
dewdrop crane's billGeranium thunbergii Sieb. et Zucc. ex Lindl. et Paxton ( = Geranium ibericum Cav.) — 13 images
ditch-grass, widgeon-grassRuppia maritima L. — 4 images
ditch stonecropPenthorum sedoides L. — 7 images
dodderCuscuta gronovii Willd. ex J.A. Schultes — 18 images
dog-hobble, drooping fetterbushLeucothoe fontanesiana (Steudel) Sleumer — 5 images
doll's eyes, white baneberryActaea pachypoda Ell. — 12 images
doorweedPolygonum aviculare L. ( = arenastrum Jordan ex Boreau) — 20 images
dotted smartweedPolygonum punctatum Ell. ( = Persicaria punctata (Ell.) Small) — 19 images
Douglas firPseudotsuga menziesii E. Murray — 23 images
downy false foxgloveAureolaria virginica (L.) Pernnell ( = Gerardia virginica (L.) B.S.P.) — 6 images
downy goldenrodSolidago puberula Nutt. — 11 images
downy hawthornCrataegus submollis Sarg. ( = arnoldiana Sarg., pennsylvanica Ashe, champlainensis Sarg., mollis Scheele) — 2 images
downy rattlesnake-plantainGoodyera pubescens (Willd.) R. Br. — 13 images
downy swamp milkweedAsclepias incarnata ssp. pulchra (Ehrh. ex Willd.) Woodson — 23 images
downy yellow violetViola pubescens Aiton — 4 images
dragon's mouthArethusa bulbosa L. — 7 images
drooping brome, downy chessBromus tectorum L. — 9 images
duckweedLemna minor L. — 4 images
dune grassAmmophila breviligulata Fern. — 20 images
dustymiller, beach wormwoodArtemisia stelleriana Bess. — 18 images
Dutchman's breechesDicentra cucullaria (L.) Bernh. — 7 images
dwarf chestnut oakQuercus prinoides Willd. — 43 images
dwarf cinquefoilPotentilla canadensis L. — 13 images
dwarf dandelionKrigia virginica (L.) Willd. — 26 images
dwarf ginsengPanax trifolius L. — 18 images
dwarf glasswortSalicornia bigelovii Torrey — 7 images
dwarf Japanese knotweedPolygonum cuspidatum var. compactum (Hook. f.) L.H. Bailey ( = compactum J. D. Hooker) — 5 images
dwarf spike-rushEleocharis parvula (R. et S.) Link ex. Bluff, Nees et Schauer — 7 images
dwarf upland willowSalix occidentalis Walter ( = tristis Ait., humilis var. microphylla (Anderss.) Fern.) — 52 images
dyer's greenwedGenista tinctoria L. — 2 images
early azaleaRhododendron prinophyllum (Small) Millais ( = roseum (Loisel.) Rehder) — 10 images
early goldenrodSolidago juncea Aiton — 9 images
early meadowrueThalictrum dioicum L. — 15 images
eastern blue-eyed-grassSisyrinchium atlanticum Bicknell — 4 images
eastern cottonwoodPopulus deltoides Bartram ex Marsh. — 14 images
eastern daisy fleabaneErigeron annuus (L.) Pers. — 9 images
eastern dwarf mistletoeArceuthobium pusillum Peck — 3 images
eastern hemlockTsuga canadensis (L.) Carr. — 36 images
eastern hop-hornbeamOstrya virginiana (P. Mill.) K. Koch — 21 images
eastern red cedarJuniperus virginiana L. — 68 images
eastern willowherb, purple-leaved willowherbEpilobium coloratum Biehler — 3 images
ebony spleenwortAsplenium platyneuron (L.) B.S.P. — 12 images
Elliott's goldenrodSolidago latissimifolia P. Miller — 10 images
elliptic shinleafPyrola elliptica Nutt. — 10 images
Emmons' sedgeCarex albicans var. emmonsii J. Rettig ( = emmonsii Dewey ex Torrey) — 3 images
enchanter's nightshadeCircaea luteniana var. canadensis L. ( = candensis (L.) Hill) — 11 images
English elmUlmus procera Salisb. — 2 images
English ivy, European ivyHedera helix L. — 9 images
English oakQuercus robur L. — 12 images
erect sea-bliteSuaeda linearis (Ell.) Moq. — 12 images
erect water smartweedPolygonum amphibium var. emersum Michaux. ( = P. coccineum Muhl., Persicaria amphibia (L.) Gray) — 15 images
Eurasian heal-allPrunella vulgaris ssp. vulgaris L. — 7 images
Eurasian watermilfoilMyriophyllum spicatum L. — 7 images
European alderAlnus glutinosa (L.) Gaertner — 12 images
European beechFagus sylvatica L. — 6 images
European clotbur, European cockleburXanthium strumarium L. — 1 image
European downy birchBetula pubescens Ehrh. — 6 images
European forest blackberry, European dewberryRubus caesius L. — 9 images
European highbush cranberry, guelder-roseViburnum opulus L. — 4 images
European larchLarix decidua P. Miller — 16 images
European mountain-ashSorbus aucuparia L. — 6 images
European spindletreeEuonymus europaea L. — 10 images
European water horehoundLycopus europaeus L. — 1 image
evergreen blackberryRubus laciniatus Willd. — 13 images
fall dandelionLeontodon autumnalis L. ( = Scorzoneroides autumnalis (L.) Moench) — 10 images
fall panic-grassPanicum dichotomiflorum Michaux — 22 images
false buckwheat, black bindweedPolygonum convolvulus L. ( = Fallopia convolvulus (L.) A. Love) — 1 image
false helleboreVeratrum viride Aiton — 16 images
false nettle, bog-hempBoehmeria cylindrica (L.) Sw. — 10 images
false pimpernelLindernia dubia (L.) Pennell — 12 images
false Solomon's sealSmilacina racemosa (L.) Desf. ( = Maianthemum racemosum (L.) Link) — 10 images
false water-pepperPolygonum hydropiperoides Michaux ( = Persicaria hydropiperoides (Michaux) Small) — 12 images
fascicled panic-grassDichanthelium acuminatum var. fasciculatum (Torrey) Freckmann ( = Panicum lanuginosum Ell.) — 18 images
featherfoilHottonia inflata Ell. — 7 images
feathertop, bushgrassCalamagrostis epigeios (L.) Roth — 10 images
fernleaf yellow false foxgloveAureolaria pedicularia (L.) Raf. ( = Gerardia pedicularia L.) — 25 images
field cress, cow cressLepidium campestre (L.) Aiton f. — 7 images
field garlicAllium vineale L. — 5 images
field horsetail, common horsetailEquisetum arvense L. — 21 images
field pennycressThlaspi arvense L. — 23 images
field sow-thistleSonchus arvensis L. — 10 images
field stitchwortStellaria graminea L. — 7 images
fireweed, pilewortErechtites hieracifolius (L.) Raf. ex DC. — 23 images
five-leaved akebiaAkebia quinata (Houtt.) Dcne. — 17 images
five-leaved araliaEleutherococcus pentaphyllus (Sieb. et Zucc.) Nakai ( = Aralia pentaphylla Sieb. et Zucc.) — 4 images
flameleaf sumac, winged sumacRhus copallina L. — 25 images
flat peaLathyrus sylvestris L. — 5 images
flat-stemmed bluegrassPoa compressa L. — 10 images
flat-stemmed panic-grassPanicum rigidulum Bosc ex Nees ( = Coleataenia longifolia ssp. rigidula (Bosc ex Nees) Soreng) — 12 images
floating heartNymphoides cordata (Ell.) Fern. — 15 images
flowering dogwoodCornus florida L. ( = Benthamidia florida (L.) Spach) — 26 images
foamflowerTiarella cordifolia L. — 11 images
fool's parsleyAethusa cynapium L. — 13 images
forked bluecurlsTrichostema dichotomum L. — 24 images
forked coontailCeratophyllum echinatum A. Gray — 3 images
forked panic-grassDichanthelium dichotomum (L.) Gould ( = Panicum dichotomum L.) — 6 images
four-leaved milkweedAsclepias quadrifolia Jacq. — 3 images
four-o'clockMirabilis nyctaginea (Michaux) MacMillan — 10 images
four-seed vetchVicia tetrasperma (L.) Schreber — 8 images
fowlmeadow grassGlyceria striata (Lam.) A. S. Hitche — 6 images
fowl-meadow grassPoa palustris L. — 6 images
fox grapeVitis labrusca L. — 23 images
fox sedgeCarex vulpinoidea Michaux ( = setacea Dewey) — 12 images
fragile fernCystopteris fragilis (L.) Bernh. — 11 images
fragrant sumacRhus aromatica Aiton — 4 images
freshwater or prairie cordgrassSpartina pectinata Link — 23 images
fringed gentianGentianopsis crinita (Froel.) Y.C. Ma ( = Gentiana crinita Froel.) — 5 images
fringed loosestrifeLysimachia ciliata L. — 3 images
fringed polygala, flowering wintergreenPolygala paucifolia Willd. — 6 images
fringed sedgeCarex crinita Lam. — 11 images
fumitoryFumaria officinalis L. — 5 images
garden asparagusAsparagus officinalis L. — 11 images
garden burnetSanguisorba minor ssp. muricata (Spach) Nordb. — 6 images
garden columbine, European columbineAquilegia vulgaris L. — 3 images
garden lupine, Washington lupineLupinus polyphyllus Lindley — 9 images
garden red currantRibes rubrum L. — 4 images
garden strawberryFragaria x ananasa Duchesne ( = chiloensis x F. virginiana ) — 3 images
garden violetViola tricolor L. — 2 images
garlic mustardAlliaria petiolata (Bieb.) Cavara et Grande ( = officinalis Andrz.) — 12 images
giant bur-reedSparganium eurycarpum Engelm. ex A. Gray — 10 images
giant foxtailSetaria faberi Herrm. ex Rosen — 10 images
giant Solomon sealPolygonatum biflorum (Walter) Ell. — 4 images
globose water-mealWolffia columbiana Karsten — 6 images
glory-of-the-snowChionodoxa luciliae Boiss. — 6 images
glossy buckthornRhamnus frangula L. ( = Frangula alnus P. Miller) — 25 images
goat's rueTephrosia virginiana (L.) Pers. — 12 images
golden clover, palmate cloverTrifolium agrarium L. ( = aureum Pollich) — 8 images
golden hedgehyssopGratiola aurea Pursh — 29 images
golden ragwortSenecio aureus L. ( = Packera aurea (L.) A. et D. Love) — 12 images
golden saxifrage, water-carpetChrysosplenium americanum Schwein. ex Hooker — 17 images
golden ziziaZizia aurea (L.) Koch — 6 images
goldmoss stonecropSedum acre L. — 6 images
gooseneck loosestrifeLysimachia clethroides Duby in DC. — 1 image
goutweedAegopodium podagraria L. — 14 images
grass-leaf arrowheadSagittaria graminea Michaux — 6 images
grassleaf pondweedPotamogeton gramineus L. — 4 images
grassleaf rushJuncus marginatus Rostk. — 7 images
grass-pinkCalopogon tuberosus (L.) B.S.P. — 8 images
Gray's flatsedgeCyperus grayi Torr. — 22 images
gray birchBetula populifolia Marsh. — 32 images
gray dogwoodCornus racemosa Lam. ( = Swida racemosa (Lam.) Moldenke) — 8 images
gray goldenrodSolidago nemoralis Ait. — 13 images
great blue lobeliaLobelia siphilitica L. — 2 images
great burdockArctium lappa L. — 8 images
greater bittercressCardamine flexuosa With. — 40 images
greater duckweedSpirodela polyrhiza (L.) Schleiden — 3 images
great laurel, rosebayRhododendron maximum L. — 27 images
great leopard's baneDoronicum pardalianches L. — 6 images
great water dockRumex orbiculatus A. Gray ( = britannica L.) — 12 images
great willowherbEpilobium angustifolium L. ( = Chamerion angustifolium (L.) Holub) — 4 images
green ashFraxinus pennsylvanica Marsh. — 19 images
green beanPhaseolus vulgaris L. — 5 images
Greene's pussytoesAntennaria neodioica Greene ( = howellii ssp. neodioica (Greene) Bayer) — 10 images
Greene's rushJuncus greenei Oakes et Tuckerman — 13 images
green-flowered shinleafPyrola chlorantha Sw. ( = virens Schreb.) — 4 images
green foxtailSetaria viridis (L.) Beauv. — 2 images
green-fruited bur-reedSparganium erectum L. ( = chlorocarpum Rydb.) — 3 images
green woodland orchisPlatanthera clavellata (Michaux) Luer ( = Habenaria clavellata (Michaux) Sprengel) — 11 images
Gronovius' hawkweedHieracium gronovii L. — 16 images
ground-ivyGlechoma hederacea L. — 12 images
groundnutApios americana Medik. — 9 images
grove sandwortMoehringia lateriflora (L.) Fenzl ( = Arenaria lateriflora L.) — 6 images
hair fescueFestuca filiformis Pourret — 8 images
hairlike pondweedPotamogeton bicupulatus Fernald ( = capillaceus Poiret) — 2 images
hairy bedstrawGalium pilosum Aiton — 16 images
hairy bonesetEupatorium rotundifolium var. ovatum (Bigelow) Torrey ( = pubescens Muhl. ex Willd.) — 3 images
hairy bush-cloverLespedeza hirta (L.) Hornem. — 8 images
hairy bush-pea, Blue Ridge buckbeanThermopsis villosa (Walter) Fern. et Schubert — 3 images
hairy cat's-earHypochaeris radicata L. — 32 images
hairy pinweedLechea mucronata Raf. ( = villosa Ell.) — 45 images
hairy quickweedGalinsoga quadriradiata Ruiz et Pavon ( = ciliata (Raf.) Blake) — 8 images
hairy rock-cress, hoary bittercressCardamine hirsuta L. — 30 images
hairy small-leaved ticktrefoilDesmodium ciliare (Muhl. ex Willd.) DC. — 9 images
halberd-leaf oracheAtriplex prostrata Boucher ex DC ( = A. patula var. hastata auct. non (L.) A. Gray) — 23 images
halberdleaf tearthumbPolygonum arifolium L. ( = Persicaria arifolia (L.) Haroldson) — 12 images
hard-stemmed bulrushScirpus acutus Muhl. ex Bigelow ( = Schoenoplectus acutus (Muhl. ex Bigel.) A. et D. Love) — 5 images
Hayden's sedgeCarex haydenii Dewey — 6 images
hayscented fernDennstaedtia punctilobula (Michaux) T. Moore — 17 images
heartleaf willowSalix eriocephala Michaux — 52 images
heath white asterAster ericoides L. ( = Symphyotrichum ericoides (L.) Nesom) — 13 images
hedge-mapleAcer campestre L. — 1 image
hedge mustardSisymbrium officinale (L.) Scop. — 4 images
helleborineEpipactis helleborine (L.) Crantz — 18 images
henbitLamium amplexicaule L. — 5 images
Hickey's clubmossLycopodium hickeyi W.L. Wagner, Beitel et Moran ( = Dendrolycopodium hickeyi (Wagner, Beitel et Moran) A. Haines) — 6 images
highbush blueberryVaccinium corymbosum L. — 47 images
hightide bush, saltmarsh-elderIva frutescens ssp. oraria (Bartlett) R.C. Jackson — 24 images
hillside blueberry, dryland blueberryVaccinium pallidum Ait. ( = vacillans Kalm ex Torr.) — 29 images
Himalayan knotweed, garden smartweedPolygonum polystachyum Wallich ex Meisner ( = Persicaria wallichii Greuter et Burdet, Reynoutria polystachya (Wallich ex Meisner) Moldenke) — 13 images
hoary alyssumBerteroa incana (L.) DC. — 5 images
hoary mountain-mintPycnanthemum incanum (L.) Michx. — 4 images
hoary rockroseHelianthemum bicknellii Fernald ( = Crocanthemum bicknellii (Fern.) Barnh.) — 20 images
hoary willowSalix candida Fluegge ex Willd. — 18 images
hog-peanutAmphicarpaea bracteata (L.) Fern. — 7 images
hollow-stemmed Joe-Pye-weedEupatorium fistulosum Barratt ( = Eutrochium fistulosum (Barratt) E.E. Lamont) — 17 images
honey-locustGleditsia triacanthos L. — 12 images
hooked crowfootRanunculus recurvatus Poiret — 19 images
hop sedgeCarex lupulina Muhl. ex Willd. — 6 images
horned bladderwort, naked bladderwortUtricularia cornuta Michaux — 27 images
hornwort, coontailCeratophyllum demersum L. — 7 images
horse-chestnutAesculus hippocastanum L. — 4 images
horsenettleSolanum carolinense L. — 14 images
horseweed, hogweedConyza canadensis (L.) Cronq. ( = Erigeron canadensis L.) — 26 images
hostaHosta sp. — 3 images
humped bladderwortUtricularia gibba L. — 2 images
hybrid bog clubmossLycopodiella appressa x inundata ( = x gilmanii A. Haines) — 3 images
hybrid of brittle and white willowSalix x fragilis — 13 images
hyssopHyssopus officinalis L. — 2 images
hyssop hedgenettleStachys hyssopifolia Michaux — 23 images
hyssop-leaved bonesetEupatorium hyssopifolium L. — 13 images
India lovegrassEragrostis pilosa (L.) Beauv. — 2 images
Indian cucumber-rootMedeola virginiana L. — 22 images
Indian grassSorghastrum nutans (L.) Nash — 18 images
Indian hempApocynum cannabinum L. — 7 images
Indian pipeMonotropa uniflora L. — 15 images
Indian strawberryDuchesnea indica (Andr.) Focke — 9 images
Indian sweetgrassHierochloe odorata (L.) Beauv. ( = Anthoxanthum nitens (Weber) Y.Schouten et Veldcamp) — 8 images
Indian tobaccoLobelia inflata L. — 18 images
indigo bushAmorpha fruticosa L. — 14 images
inflated bladderwortUtricularia inflata Walter — 16 images
inkberryIlex glabra (L.) Gray — 20 images
intermediate wood fernDryopteris intermedia (Muhl. ex Willd.) A. Gray — 20 images
interrupted fernOsmunda claytoniana L. — 17 images
inundated horn-sedgeRhynchospora inundata (Oakes) Fern. — 9 images
ironwood, hornbeamCarpinus caroliniana Walter — 19 images
Italian ryegrassLolium multiflorum Lam. — 3 images
ivy-leaved speedwellVeronica hederifolia L. — 4 images
Jack-in-the-pulpitArisaema triphyllum (L.) Schott — 16 images
Jack pinePinus banksiana Lamb. — 9 images
jagged chickweedHolosteum umbellatum L. — 16 images
Japanese andromedaPieris japonica (Thunb.) D. Don — 5 images
Japanese barberryBerberis thunbergii DC. — 16 images
Japanese black pinePinus thunbergii Parl. ( = thunbergiana Franco) — 15 images
Japanese flowering crabappleMalus floribunda Sieb. ex Van Houtte — 5 images
Japanese flowering quinceChaenomeles speciosa (Sweet) Nakai — 4 images
Japanese hollyIlex crenata Thunb. — 10 images
Japanese honeysuckleLonicera japonica Thunb. — 20 images
Japanese knotweedPolygonum cuspidatum Sieb. et Zucc. ( = Fallopia japonica (Houtt.) L.P. Ronse Decraene, Reunoutria japonica Houtt.) — 25 images
Japanese mapleAcer palmatum Thunb. — 3 images
Japanese milletEchinochloa frumentacea (Roxb.) Link ( = Echinochloa crus-galli var. frumentacea (Link) W.F.Wight) — 3 images
Japanese pagoda-treeStyphnolobium japonicum (L.) Schott. ( = Sophora japonica L.) — 3 images
Japanese privet, ibota privetLigustrum obtusifolium Sieb. et Zucc. — 16 images
Japanese rose, saltspray roseRosa rugosa Thunb. — 28 images
Japanese spiraeaSpiraea japonica L. f. — 7 images
Japanese spurgePachysandra terminalis Sieb. et Zucc. — 7 images
Japanese wisteriaWisteria floribunda (Willd.) DC. — 6 images
Jerisalem artichokeHelianthus tuberosus L. — 3 images
jetbead, white kerriaRhodotypos scandens (Thunb.) Makino — 13 images
jewelweedImpatiens capensis Meerb. — 12 images
Jimson-weedDatura stramonium L. — 7 images
jointweedPolygonella articulata (L.) Meisner ( = Polygonum articulatum L.) — 27 images
jumpseedPolygonum virginianum ( = Tovara virginiana (L.) Raf., Persicaria virginiana (L.) Gaertner) — 9 images
June grassPoa pratensis L. — 3 images
katsura treeCercidiphyllum japonicum Zieb. et Zucc. — 1 image
kidney-leaved buttercup, small-flowered crowfootRanunculus abortivus L. — 7 images
king-devil, meadow hawkweedHieracium pratense Tausch ( = H. caespitosum Dumort.) — 17 images
kudzuPueraria montana var. lobata (Willd.) Maesen et S. Almeida — 12 images
lady's thumbPolygonum persicaria L. ( = Persicaria maculosa (L.) S.F. Gray) — 22 images
lanceleaf tickseedCoreopsis lanceolata L. — 6 images
large crabgrassDigitaria sanguinalis (L.) Scop. — 12 images
large-flowered bellwortUvularia grandiflora Small — 6 images
large-leaved asterAster macrophyllus L. ( = Eurybia macrophylla (L.) Cassini 1825) — 16 images
large-leaved white violetViola incognita Brainerd — 3 images
largepod pinweedLechea intermedia Leggett ex Britt. — 21 images
large purple fringed orchisPlatanthera grandiflora (Bigelow) Lindley ( = Habenaria fimbriata (Aiton) R. Br.) — 7 images
large pussy willowSalix discolor Muhl. — 53 images
larger water-plantain, northern water-plantainAlisma triviale Pursh ( = plantago-aquatica var. americanum Schultes et Schultes) — 7 images
large whorled pogoniaIsotria verticillata (Willd.) Raf. — 9 images
leatherleaf, cassandraChamaedaphne calyculata (L.) Moench — 20 images
leatherwoodDirca palustris L. — 5 images
Leggett's pinweedLechea pulchella var. pulchella Raf. ( = leggettii Britton et Hollick) — 4 images
lemon balmMelissa officinalis L. — 16 images
lesser celandine, pilewortRanunculus ficaria L. ( = Ficaria verna (L.) Huds.) — 12 images
lesser or common burdockArctium minus Bernh. — 7 images
lesser water-plantain, southern water-plantainAlisma subcordatum Raf. ( = plantago-aquatica var. parviflorum (Pursh) Torrey) — 2 images
licorice goldenrod, sweet goldenrodSolidago odora Aiton — 17 images
lily-of-the-valleyConvallaria majalis L. — 7 images
linden viburnumViburnum dilatatum Thunb. — 14 images
linear-leaved panic-grassDichanthelium linearifolium (Scribner) Gould ( = Panicum linearifolium Scribner) — 4 images
little bluestemSchizachyrium scoparium (Michaux) Nash — 19 images
little ladies' tressesSpiranthes tuberosa Raf. — 9 images
little lovegrassEragrostis minor Host ( = poaeoides Beauv. ex R. et S.) — 2 images
little merrybellsUvularia sessilifolia L. — 17 images
little ricegrassOryzopsis pungens (Torrey ex Spreng.) A. S. Hitchc. ( = Piptatherum pungens (Torr. ex Spreng.) Dom.) — 3 images
live-foreverSedum telephium L. ( = purpureum (L.) Schultes) — 1 image
livid amaranthAmaranthus blitum ssp. emarginatus Carreter ( = lividus L.) — 9 images
Loesel's mustardSisymbrium loeselii L. — 5 images
Lombardy poplar, black poplarPopulus nigra L. — 13 images
Long's bulrushScirpus longii Fernald — 2 images
Long's sedgeCarex longii Mackenzie — 9 images
long-beaked baldsedgeRhynchospora scirpoides (Torrey) A. Gray — 40 images
long-beaked Pennsylvania sedgeCarex lucorum Willd. ex Link ( = Carex pensylvanica var distans Peck) — 6 images
longbranch frostweedHelianthemum canadense (L.) Michx. ( = Crocanthemum canadense (L.) Britton) — 36 images
long-culmed sedgeCarex folliculata L. — 16 images
long-leaved pondweedPotamogeton nodosus Poiret — 4 images
long-spurred violetViola rostrata Pursh — 5 images
long-stalked asterAster dumosus L. ( = Symphyotrichum dumosum G.L.Nesom 1994) — 14 images
long-stalked monkey-flowerMimulus ringens L. — 10 images
loose-flowered woodland sedgeCarex laxiflora Lam. — 22 images
lowbush blueberryVaccinium angustifolium Ait. — 16 images
low cudweedGnaphalium uliginosum L. — 5 images
low frostweed, low rockroseHelianthemum propinquum Bicknell ( = Crocanthemum propinquum (Bicknell) Bicknell) — 25 images
lowly watermilfoilMyriophyllum humile (Raf.) Morong — 25 images
lucerne, blue alfalfaMedicago sativa L. — 3 images
MacKay's fragile fern or brittle fernCystopteris tenuis (Michaux) Desvaux ( = fragilis var. mackayi Lawson) — 5 images
mad-dog skullcap, blue skullcapScutellaria lateriflora L. — 11 images
mahaleb cherryPrunus mahaleb L. — 3 images
maidenhair spleenwortAsplenium trichomanes L. — 1 image
maleberryLyonia ligustrina (L.) DC. — 39 images
maple-leaf goosefootChenopodium simplex (Torrey) Raf. ( = hybridum L.) — 7 images
maple-leaf viburnumViburnum acerifolium L. — 15 images
marginal wood fernDryopteris marginalis (L.) A. Gray — 24 images
marsh blue violetViola cucullata Aiton — 9 images
marsh cinquefoilComarum palustre L. ( = Potentilla palustris (L.) Scop.) — 10 images
marsh fernThelypteris palustris Schott — 16 images
marsh hedgenettleStachys palustris L. — 13 images
marsh marigoldCaltha palustris L. — 10 images
marsh or Canada rushJuncus canadensis Gay ex LaHarpe — 22 images
marsh scullcap, common scullcapScutellaria galericulata L. ( = epilobiifolia Hamilton) — 8 images
marsh sedge, lakeside sedgeCarex lacustris Willd. — 2 images
marsh St. John's-wortTriadenum virginicum (L.) Raf. ( = Hypericum virginicum L.) — 15 images
marsh yellowcressRorippa palustris (L.) Besser — 17 images
Maryland or smooth small-leaved ticktrefoilDesmodium marilandicum (L.) DC. — 10 images
Massachusetts fernThelypteris simulata (Davenport) Nieuwl. — 15 images
matted pearlwort, birdseyeSagina procumbens L. — 13 images
meadow blue-eyed grassSisyrinchium montanum var. crebrum Fern. — 6 images
meadow foxtailAlopecurus pratensis L. — 2 images
meadow horsetailEquisetum pratense Ehrh. — 3 images
meadowsweetSpiraea alba var. latifolia (Aiton) Dippel ( = latifolia (Aiton) Borkh.) — 11 images
memorial roseRosa luciae Franch. et Rochebr. ex Crepin ( = wichuraiana Crepin) — 16 images
mermaid-weedProserpinaca palustris L. — 16 images
Mexican tea, wormseedChenopodium ambrosioides L. ( = Dysphania ambrosioides (L.) Mosyakin et Clemants) — 14 images
mile-a-minutePolygonum perfoliatum L. ( = Persicaria perfoliata (L.) H. Gross) — 27 images
mockernut hickoryCarya alba (L.) Nutt. ex Ell. ( = tomentosa (Lam. ex Poiret) Nutt.) — 19 images
morning-gloryCalystegia sepium (L.) R. Br. — 11 images
Morrow's honeysuckleLonicera morrowii A. Gray — 30 images
motherwortLeonurus cardiaca L. — 4 images
moth mulleinVerbascum blattaria L. — 6 images
mountain laurelKalmia latifolia L. — 28 images
mouse-ear cressArabidopsis thaliana (L.) Heynh. — 26 images
mouse-ear hawkweedHieracium pilosella L. — 5 images
mud hedgehyssopGratiola neglecta Torrey — 7 images
multiflora roseRosa multiflora Thunb. ex Murray — 21 images
musk mallowMalva moschata L. — 4 images
naked ticktrefoilDesmodium nudiflorum (L.) DC. ( = Hylodesmum nudiflorum (L.) H. Ohashi et R.R. Mill) — 5 images
nannyberry, sweet viburnumViburnum lentago L. — 18 images
Nantucket shadbushAmelanchier nantucketensis Bickn. — 10 images
narrow beech fernPhegopteris connectilis (Michaux) Watt ( = Thelypteris phegopteris (L.) Slosson) — 11 images
narrow-leaved bittercressCardamine parviflora var. arenicola (Britton) O.E. Schulz — 11 images
narrow-leaved bush-cloverLespedeza angustifolia (Pursh) Ell. — 13 images
narrow-leaved cattailTypha angustifolia L. — 12 images
narrow-leaved loosestrifeLysimachia hybrida Michaux — 11 images
narrow-leaved plantain, English plantainPlantago lanceolata L. — 7 images
narrow-leaved vetchVicia sativa ssp. nigra (L.) Ehrh. — 8 images
narrow-leaved white-topped asterSericocarpus linifolius (L.) B.S.P. ( = Aster solidagineus Michaux) — 13 images
narrow-leaved willowherbEpilobium leptophyllum Raf. — 2 images
needle spike-rushEleocharis acicularis (L.) Roemer et Schultes — 28 images
netted chain fernWoodwardia areolata (L.) T. Moore — 19 images
New England asterAster novae-angliae L. ( = Symphyotrichum novae-angliae Nesom 1994) — 21 images
New England blazingstarLiatris novae-angliae (Lunell) Shinners ( = scariosa var. novae-angliae (Lunell) Gandhi, S.M. Young et P. Somers) — 21 images
New England boneset, pondshore bonesetEupatorium novae-angliae V.I. Sullivan ( = leucolepis var. novae-angliae Fernald) — 8 images
New Jersey teaCeanothus americanus L. — 12 images
New York asterAster novi-belgii L. ( = Symphyotrichum novi-belgii (L.) Nesom 1994) — 32 images
New York fernThelypteris noveboracensis (L.) Nieuwl. — 8 images
nimblewillMuhlenbergia schreberi J.F. Gmelin — 2 images
nipplewortLapsana communis L. — 10 images
nodding bur-marigoldBidens cernua L. — 4 images
nodding ladies' tressesSpiranthes cernua (L.) L.C. Rich. — 16 images
nodding smartweedPolygonum lapathifolium L. ( = Persicaria lapathifolia (L.) S.F. Gray) — 2 images
nodding trilliumTrillium cernuum L. — 7 images
northern arrowwoodViburnum dentatum var. lucidum Ait. ( = recognitum Fern.) — 10 images
northern awned sedgeCarex gynandra Schwein. ( = crinita var. gynandra (Schwein.) Schwein. et Torrey) — 8 images
northern bladderwort, flat-leaved milfoilUtricularia intermedia Hayne — 8 images
northern blueflagIris versicolor L. — 30 images
northern bog clubmossLycopodiella inundata (L.) Holub ( = Lycopodium inundatum L.) — 12 images
northern coastal violet, Britton's violetViola brittoniana Pollard — 7 images
northern dewberryRubus flagellaris Willd. — 11 images
northern dwarf St. John's-wort submersed formHypericum boreale f. callitrichoides Fassett — 9 images
northern fimbryFimbristylis autumnalis (L.) Roemer et Schultes — 11 images
northern lady fernAthyrium filix-femina var. angustum (Willd.) Lawson — 25 images
northern maidenhairAdiantum pedatum L. — 9 images
northern meadowbeauty, wingstem meadowpitchersRhexia virginica L. — 29 images
northern prickly ashZanthoxylum americanum P. Miller — 13 images
northern red oakQuercus rubra L. — 46 images
northern stalked sedgeCarex debilis var. rudgei Bayley — 6 images
northern ticklegrassAgrostis scabra Willd. — 10 images
northern tickseed sunflowerBidens coronata (L.) Britton — 10 images
northern waterweedElodea canadensis Michaux — 7 images
northern white violetViola macloskeyi ssp. pallens (Banks ex DC.) M.S. Baker — 8 images
northern wood sedgeCarex arctata Boott ex Hooker — 4 images
Norway mapleAcer platanoides L. — 18 images
Norway sprucePicea abies (L.) Karst. — 36 images
Nuttall's milkwortPolygala nuttallii Torrey et A. Gray — 13 images
Oakes' pondweedPotamogeton oakesianus Robbins — 13 images
oak fernGymnocarpium dryopteris — 3 images
oak-leaf goosefootChenopodium glaucum L. — 3 images
oatsAvena sativa L. — 1 image
olive spike-rushEleocharis flavescens var. olivacea (Torrey) Gleason ( = olivacea Torrey) — 19 images
one-flowered cancer-rootOrobanche uniflora L. — 4 images
one-seeded burr cucumberSicyos angulatus L. — 4 images
orange daylilyHemerocallis fulva (L.) L. — 8 images
orange-fruited spike-rushEleocharis elliptica Kunth — 3 images
orange grass, pineweedHypericum gentianoides (L.) B.S.P. — 19 images
orange hawkweedHieracium aurantiacum L. — 7 images
orchard grassDactylis glomerata L. — 6 images
Oriental bittersweet, Asian bittersweetCelastrus orbiculatus Thunb. — 63 images
ostrich fernMatteuccia struthiopteris (L.) Todaro — 19 images
oxeye daisyLeucanthemum vulgare Lam. — 8 images
pagoda dogwood, alternate-leaved dogwoodCornus alternifolia L. f. ( = Swida alternifolia (L.f.) Small) — 16 images
painted trilliumTrillium undulatum WIlld. — 9 images
pale corydalis or rock-harlequinCorydalis sempervirens (L.) Pers. ( = Capnoides sempervirens (L.) Borkh.) — 19 images
pale mannagrassTorreyochloa pallida (Torrey) Church ( = Glyceria pallida (Torrey) Trin.) — 1 image
pale or early coralrootCorallorhiza trifida Chatelain — 1 image
pale sedgeCarex pallescens L. — 4 images
pale St. John's-wortHypericum ellipticum Hooker — 16 images
pale swallowwortCynanchum rossicum (Kleopov) Borhidi — 10 images
panickled screwstemBartonia paniculata (Michaux) Muhl. — 6 images
panicled ticktrefoilDesmodium paniculatum (L.) DC. — 6 images
paper birchBetula papyrifera Marsh. — 27 images
paper birch x gray birch Betula papyrifera x populifolia — 4 images
papillose nutsedgeScleria pauciflora var. caroliniana (Willd.) Wood — 14 images
partridgeberryMitchella repens L. — 14 images
partridge peaChamaecrista fasciculata (Michaux) Greene ( = Cassia fasciculata Michaux) — 9 images
pasture thistleCirsium pumilum (Nutt.) Sprengel — 15 images
path rush, yard rushJuncus tenuis Willd. — 7 images
peachPrunus persica (L.) Batsch — 15 images
pearPyrus communis L. — 2 images
Pennsylvania sedgeCarex pensylvanica Lam. — 8 images
peppermintMentha x piperita L. — 4 images
perennial glasswortSalicornia virginica L. — 36 images
perennial peaLathyrus latifolius L. — 2 images
perennial rye grassLolium perenne L. — 11 images
perennial saltmarsh asterAster tenuifolius L. ( = Symphyotrichum tenuifolium (L.) Nesom) — 20 images
periwinkleVinca minor L. — 9 images
perplexing ticktrefoilDesmodium perplexum Schub. ( = glabellum (Mischx.) DC.) — 3 images
Philadelphia fleabaneErigeron philadelphicus L. — 5 images
pickerelweedPontederia cordata L. — 12 images
Pickering's reedgrassCalamagrostis pickeringii A. Gray — 17 images
pignut hickoryCarya glabra (P. Miller) Sweet ( = ovalis (Wangenh.) Sarg.) — 26 images
pigweed, lamb's quartersChenopodium album L. — 18 images
pin cherry, fire cherry, bird cherryPrunus pensylvanica L. f. — 29 images
pineapple weedMatricaria discoidea DC. ( = matricarioides auct. ) — 3 images
pinebarren golden heatherHudsonia ericoides L. — 33 images
pinesap, false beechdropsMonotropa hypopitys L. ( = Hypopitys monotropa Crantz) — 20 images
pink lady's slipperCypripedium acaule Aiton — 7 images
pink tickseedCoreopsis rosea Nutt. — 33 images
pinkweedPolygonum pensylvanicum L. ( = Persicaria pensylvanica (L.) G. Maza) — 22 images
pin oakQuercus palustris Muenchh. — 18 images
pipewort, white buttonsEriocaulon aquaticum (Hill) Druce ( = septangulare With.) — 28 images
pipsissewaChimaphila umbellata ssp. cisatlantica (Blake) Hulten — 7 images
pitch pinePinus rigida P. Mill. — 89 images
plantain-leaf sedgeCarex plantaginea Lam. — 2 images
plantain-leaved pussytoesAntennaria plantaginifolia (L.) Richardson — 9 images
Plymouth gentianSabatia kennedyana Fern. — 42 images
pod-grassScheuchzeria palustris L. — 15 images
poison ivyToxicodendron radicans (L.) Kuntze ( = Rhus radicans L.) — 38 images
poison sumacRhus vernix L. ( = Toxicodendron vernix (L.) Kuntze) — 20 images
pokeweedPhytolacca americana L. — 15 images
pondshore flatsedgeCyperus dentatus Torrey — 17 images
pondshore muhlyMuhlenbergia uniflora (Muhl.) Fern. — 19 images
pondshore nutsedgeScleria reticularis Michaux — 30 images
pondshore or terete arrowheadSagittaria teres S. Watson — 47 images
pondshore panic-grassDichanthelium acuminatum var. implicatum (Scribn.) Freckmann et Lelong ( = Panicum meridionale Ashe, Panicum implicatum (Scribn.) Fern.) — 8 images
pondshore pennywortHydrocotyle umbellata L. — 8 images
pondshore rushJuncus pelocarpus E. Meyer — 26 images
pondshore smartweedPolygonum puritanorum Fern. ( = Persicaria puritanorum (Fern.) Sojak) — 6 images
pondshore water-horehound, sessile water-horehoundLycopus amplectens Raf. — 13 images
post oakQuercus stellata Wangenh. — 9 images
poverty grassSporobolus vaginiflorus (Torrey ex A. Gray) Wood — 6 images
poverty-grassAristida dichotoma Michaux — 5 images
prairie ironweedVernonia fasciculata Michaux — 14 images
prairie willow, upland willowSalix humilis Marsh. — 61 images
prickly lettuceLactuca serriola L. — 23 images
prickly or seabeach saltwortSalsola kali L. — 28 images
primrose-leaf violetViola x primulifolia L. — 7 images
princess-pine or tree clubmossLycopodium obscurum L. ( = Dendrolycopodium obscurum (L.) A. Haines) — 19 images
Pringle's asterAster pilosus var. pringlei (A. Gray) Blake ( = Symphyotrichum pilosum var. pringlei (A. Gray) Nesom) — 8 images
prostrate amaranth, tumbleweedAmaranthus blitoides S. Watson — 4 images
prostrate oracheAtriplex glabriuscula Edmondston — 12 images
prostrate or creeping juniperJuniperus horizontalis Moensch — 8 images
prostrate ticktrefoilDesmodium rotundifolium DC. — 7 images
purple bladderwortUtricularia purpurea Walt. — 17 images
purple chokeberryAronia x prunifolia (Marsh.) Rehder ( = x floribunda (Lindl.) Spach) — 19 images
purple deadnettleLamium purpureum L. — 9 images
purple false foxgloveAgalinis purpurea (L.) Pernnell ( = Gerardia purpurea L.) — 23 images
purple-flowering raspberry, thimbleberryRubus odoratus L. — 10 images
purple loosestrifeLythrum salicaria L. — 17 images
purple lovegrassEragrostis spectabilis (Pursh) Steudel — 14 images
purple milkwort, common milkwortPolygala sanguinea L. — 8 images
purple pitcherplantSarracenia purpurea L. — 16 images
purple sandgrassTriplasis purpurea (Walter) Chapman — 7 images
purslane speedwell, neckweedVeronica peregrina L. — 3 images
pussytoesAntennaria neglecta Greene — 6 images
Queen Anne's laceDaucus carota L. — 5 images
quickweed, gallant soldiersGalinsoga parviflora Cav. — 2 images
quillwortIsoetes sp. — 3 images
rabbit-foot cloverTrifolium arvense L. — 8 images
racemed milkwort, bitter milkwortPolygala polygama Walter — 19 images
ragged robinLychnis flos-cuculi L. — 6 images
rampion or creeping bellflowerCampanula rapunculoides L. — 3 images
rattlesnake-fernBotrychium virginianum (L.) Sw. — 13 images
rattlesnake grassGlyceria canadensis (Michaux) Trin. — 9 images
rattlesnake weedHieracium venosum L. — 4 images
red-berried elderberrySambucus racemosa ssp. pubens (Michaux) House — 3 images
red campionSilene dioica (L.) Clairv. ( = Lychnis dioica L.) — 3 images
red cloverTrifolium pratense L. — 6 images
red fescueFestuca rubra L. — 2 images
red mapleAcer rubrum L. — 61 images
red osierCornus sericea L. ( = Swida sericea (L.) Holub, stolonifera Michaux) — 4 images
red pinePinus resinosa Ait. — 17 images
redrootLachnanthes caroliniana (Lam.) Dandy — 18 images
red-seeded dandelionTaraxacum laevigatum (Willd.) DC. ( = erythrospermum Andrz. ex Besser) — 4 images
red sprucePicea rubens Sarg. — 16 images
red trillium, purple trilliumTrillium erectum L. — 13 images
red-veined dockRumex obtusifolius L. — 23 images
reed bluejointCalamagrostis cinnoides W. Barton ( = coarctata (Torrey) Eaton) — 15 images
reed canarygrassPhalaris arundinacea L. — 23 images
resupinate bladderwortUtricularia resupinata B.D. Greene ex Bigelow — 18 images
rhodoraRhododendron canadense (L.) Torrey — 11 images
ribbed sedgeCarex virescens Muhl. ex Willd. — 4 images
rice cutgrassLeersia oryzoides (L.) Sw. — 31 images
river-bank grape, frost grapeVitis riparia Michaux — 1 image
river birchBetula nigra L. — 25 images
river bulrushScirpus fluviatilis (Torrey) A. Gray ( = Bolboschoenus fluviatilis (Torr.) Sojak) — 4 images
river horsetailEquisetum fluviatile L. — 22 images
riverside sedgeCarex torta Boott ex Tuckerman — 9 images
Robbins' spike-rushEleocharis robbinsii Oakes — 41 images
Robert geraniumGeranium robertianum L. — 12 images
rockcap fern or common polypodyPolypodium virginianum L. — 13 images
rock knotweedPolygonum tenue Michaux — 12 images
rock spikemossSelaginella rupestris (L.) Spring — 13 images
rose pogoniaPogonia ophioglossoides (L.) Ker-Gawler — 9 images
rose twisted-stalkStreptopus roseus Michaux ( = lanceolatus var. roseus ) — 6 images
rough avens, floodplain avensGeum laciniatum Murray — 15 images
rough bedstrawGalium asprellum L. — 4 images
rough bluegrassPoa trivialis L. — 5 images
rough boneset, verbena bonesetEupatorium pilosum Walter ( = rotundifolium var. saundersii (Porter) Cronq.) — 25 images
rough fleabaneErigeron strigosus Muhl. — 6 images
rough goldenrod, barrens goldenrodSolidago rugosa ssp. aspera (Aiton) Cronq. — 13 images
rough hawkweedHieracium scabrum Michaux — 15 images
rough-stemmed goldenrodSolidago rugosa P. Miller — 13 images
round-fruited seedboxLudwigia sphaerocarpa Elliott — 7 images
round-fruited short-scaled sedgeCarex deweyana Schweinitz — 7 images
round-headed bush-cloverLespedeza capitata Michx. — 11 images
roundleaf sundewDrosera rotundifolia L. — 24 images
round-leaved dogwood, talus dogwoodCornus rugosa Lam. ( = Swida rugosa (Lam.) Rydb.) — 6 images
round-leaved shinleaf, glossy shinleafPyrola americana Sweet ( = rotundifolia var. americana (Sweet) Fern.) — 24 images
royal fernOsmunda regalis L. — 22 images
running clubmoss, common clubmossLycopodium clavatum L. — 9 images
running serviceberry, running shadbushAmelanchier spicata (Lam.) K. Koch ( = stolonifera Wiegand) — 33 images
Russian olive, oleaster, silverberryElaeagnus angustifolia L. — 4 images
rusty and ash willow with hybridsSalix atrocinerea and S. cinerea — 17 images
rusty willowSalix atrocinerea Brotero ( = S. cinerea ssp. oleifolia (Smith) Macreight) — 93 images
sago false pondweed, sago pondweedStuckenia pectinata (L.) Boerner ( = Potamogeton pectinatus L. ) — 1 image
Sakhalin corktreePhellodendron sachalinense (Fr. Schmidt) Sarg. — 18 images
Sakhalin spindletreeEuonymus sachalinensis (Fr. Schmidt) Maxim. — 12 images
saline spike-rush, one-glumed spike-rushEleocharis uniglumis (Link) Schultes ( = halophila Fern. et Brack.) — 16 images
sallow sedgeCarex lurida Wahlenb. — 18 images
salt grassDistichlis spicata (L.) Greene — 13 images
salt-haySpartina patens (Aiton) Muhl. — 19 images
saltmarsh arrow-grassTriglochin maritimum L. — 20 images
saltmarsh bulrushScirpus robustus Pursh ( = Bolboschoenus robustus (Pursh) Sojak) — 11 images
saltmarsh false foxgloveAgalinis maritima (Raf.) Raf. ( = Gerardia maritima Raf.) — 12 images
saltmarsh fleabanePluchea odorata var. succulenta (Fern.) Cronq. — 8 images
saltmarsh rushJuncus gerardii Loisel — 9 images
saltmarsh sand spurreySpergularia salina J. et K. Presl ( = marina (L.) Griseb.) — 14 images
saltmarsh sea-bliteSuaeda maritima (L.) Dumort. — 27 images
saltmarsh sedgeCarex paleacea Schreber ex Wahlenb. — 4 images
saltmarsh silverweedPotentilla egedii ssp. groenlandica (Tratt.) A. Loeve ( = Argentina egedii ssp. groenlandica (Tratt.) A. Loeve, anserina var. groenlandica Tratt.) — 9 images
saltmarsh spikerush, beaked spikerushEleocharis rostellata (Torrey) Torrey — 20 images
saltmarsh straw sedgeCarex hormathodes Fernald — 14 images
saltmarsh threesquareScirpus americanus Pers. ( = Schoenoplectus americanus (Pers.) Volk. ex Schrinz et Keller) — 5 images
saltmarsh wild ryeElymus virginicus var. halophilus (Bickn.) Wieg. — 11 images
saltpond pennywortHydrocotyle verticillata Thunb. — 3 images
saltwater cordgrassSpartina alterniflora Loisel — 22 images
sandbar willowSalix interior Rowlee ( = exigua ssp. interior (Rowlee) Cronq.) — 4 images
sand cherryPrunus depressa Pursh — 7 images
sand cherryPrunus susquehanae Willd. ( = pumila var. susquehanae (Willd.) Jaeger) — 23 images
sandplain blue-eyed grassSisyrinchium fuscatum Bicknell ( = arenicola Bicknell) — 2 images
sandplain flaxLinum intercursum Bicknell — 12 images
sand violetViola adunca J.E.Sm. — 3 images
sassafrasSassafras albidum (Nutt.) Nees — 52 images
Saul's oakQuercus x saulii C. Schneider — 14 images
Savoy hawkweed, Canada hawkweedHieracium sabaudum L. ( = canadense hort. Goett ex Froel.) — 11 images
sawbrier, wild sarsaparillaSmilax glauca Walter — 20 images
scarlet oakQuercus coccinea Muenchh. — 31 images
scarlet pimpernelAnagallis arvensis L. — 6 images
scotch, sea-lovageLigusticum scothicum L. — 4 images
scotch broomCytisus scoparius (L.) Link — 6 images
Scotch elmUlmus glabra Hudson — 3 images
Scotch heatherCalluna vulgaris (L.) Hull — 16 images
Scotch pinePinus sylvestris L. — 15 images
scouring-rushEquisetum hyemale L. — 10 images
screwstemBartonia virginica (L.) B.S.P. — 18 images
Scribner's panic-grassDichanthelium oligosanthes var. scribnerianum (Nash) Gould — 9 images
scrub oak, bear oakQuercus ilicifolia Wangenh. — 54 images
seabeach dock, white dockRumex pallidus Bigelow — 4 images
seabeach oracheAtriplex cristata Humb. et Bonpl. ex Willd. ( = arenaria Nutt.) — 10 images
seabeach pigweedChenopodium berlandieri var. macrocalycium (Aellen) Cronq. ( = macrocalycium Aellen) — 33 images
seabeach quack-grassElytrigia pungens (Pers.) Tutin ( = Agropyron littorale (Host) Dur.) — 2 images
seabeach quack-grassThinopyrum pycnanthum (Pers.) Barkworth ( = Elymus pungens ssp. pycnanthus (Godr.) O. Bolos et Vigo) — 3 images
seabeach sandwortHonckenya peploides ssp. robusta (Fern.) Hulten — 20 images
sea-beach sedgeCarex silicea Olney — 5 images
sea lavenderLimonium carolinianum (Walt.) Britt. — 24 images
sea milkwortGlaux maritima L. ( = Lysimachia maritima (L.) Galasso, Banfi et Soldano) — 5 images
sea-myrtleBaccharis halimifolia L. — 20 images
sea rocketCakile edentula (Bigelow) Hook. — 18 images
seaside alkali-grassPuccinellia maritima (Hudson) Parl. — 4 images
seaside angelicaAngelica lucida L. — 21 images
seaside goldenrodSolidago sempervirens L. — 32 images
seaside knotweedPolygonum glaucum Nutt. — 10 images
seaside pilewortErechtites hieracifolius var. megalocarpus (Fern.) Cronq. ( = Erechtites megalocarpus Fern.) — 1 image
seaside plantainPlantago maritima var. juncoides (Lam.)A.Gray — 13 images
seaside spurgeEuphorbia polygonifolia L. ( = Chamaecyce polygonifolia (L.) Small) — 16 images
seaside wormwoodArtemisia campestris ssp. caudata (Michaux) Hall et Clements — 23 images
secund rushJuncus secundus Beauv. ex Poiret — 5 images
seedbox, squarepodLudwigia alternifolia L. — 7 images
sensitive fernOnoclea sensibilis L. — 24 images
shadbushAmelanchier micropetala (B.L.Robins) Ashe ( = stolonifera f. micropetala (B.L.Robins) Rehder, nantucketensis auct., in part) — 9 images
shadbush, serviceberryAmelanchier cf. laevis — 33 images
shagbark hickoryCarya ovata (P. Miller) K. Koch — 20 images
sharp-leaved goldenrodSolidago arguta Aiton — 3 images
sharp-lobed liverleafHepatica nobilis var. acuta (Pursh) Steyermark ( = Anemone acutiloba (DC.) G. Lawson) — 2 images
sheep's bitJasione montana L. — 20 images
sheep laurelKalmia angustifolia L. — 26 images
sheep sorrel, red sorrelRumex acetosella L. — 17 images
shepherd's purseCapsella bursa-pastoris (L.) Medicus — 14 images
shepherd cressTeesdalia nudicaulis Ait. f. — 37 images
shining clubmossHuperzia lucidula (Michaux) Trev. — 11 images
shining willowSalix lucida Muhl. — 15 images
shiny rose, New England roseRosa nitida Willd. — 11 images
shore horsetailEquisetum x litorale Kuhl. ex Rupr. ( = arvense x fluviatile ) — 7 images
shore juniperJuniperus conferta Parl. — 28 images
short-beaked baldsedgeRhynchospora nitens (Vahl) A. Gray — 11 images
short-stalked bedstrawGalium brevipes Fern. et Wiegand ( = trifidum ssp. brevipes A. et D. Love) — 4 images
short-toothed mountain mintPycnanthemum muticum (Michaux) Pers. — 15 images
showy asterAster spectabilis Ait. ( = Eurybia spectablis (Ait.) G.L.Nesom 1994) — 34 images
showy goldenrodSolidago speciosa Nutt. — 9 images
showy ticktrefoilDesmodium canadense (L.) DC. — 14 images
showy yellow woodsorrelOxalis dillenii Jacq. — 10 images
Siberian crabappleMalus baccata (L.) Borkh. — 7 images
Siberian elmUlmus pumila L. — 7 images
Siberian irisIris sibirica L. — 2 images
Siberian squillScilla sibirica Haw. — 6 images
sickle-leaved golden asterPityopsis falcata (Pursh) Nutt. ( = Chrysopsis falcata (Pursh) Ell.) — 27 images
sickle-podArabis canadensis L. ( = Boechera canadensis (L.) Al-SHehbaz) — 10 images
Siebold's euonymusEuonymus sieboldiana Blume — 7 images
silk treeAlbizzia julibrissin Durazz. — 1 image
silky dogwoodCornus amomum P. Miller ( = Swida amomum (P. Miller) Small) — 15 images
silky willowSalix sericea Marsh. — 20 images
silver birchBetula pendula Roth — 7 images
silver cinquefoilPotentilla argentea L. — 6 images
silver mapleAcer saccharinum L. — 27 images
silverrod, white goldenrodSolidago bicolor L. — 15 images
silvery bog sedgeCarex canescens ssp. disjuncta (Fern.) Toivonen — 3 images
silvery hairgrassAira caryophyllea L. — 8 images
silvery sedgeCarex argyrantha Tuckermann — 5 images
silvery spleenwortDeparia acrostichoides (Swartz) M. Kato ( = Asplenium acrostichoides Sw.) — 5 images
six-weeks fescueVulpia octoflora var. tenella (Willd.) Fern. — 4 images
skunk-cabbageSymplocarpus foetidus (L.) Salisb. ex Nutt. — 17 images
sleepy catchflySilene antirrhina L. — 7 images
slender, subulate, or zigzag bladderwortUtricularia subulata L. — 15 images
slender bush-cloverLespedeza virginica (L.) Britton — 8 images
slender cottonweedFroelichia gracilis (Hooker) Moq. — 17 images
slender drooping sedgeCarex gracillima Schwein. — 2 images
slender gerardiaAgalinis tenuifolia (Vahl.) Raf. ( = Gerardia tenuifolia Vahl.) — 6 images
slender ground-cedar, wiry ground-cedarDiphasiastrum tristachyum (Pursh) Holub ( = Lycopodium tristachyum Pursh) — 4 images
slender-leaved mountain mintPycnanthemum tenuifolium Schrader — 15 images
slender mannagrassTorreyochloa pallida var. fernaldii (A.S. Hitchc.) Dore ex Koyama et Kawano ( = Glyceria fernaldii (A.S. Hitchc.) St. John) — 7 images
slender marsh-pinkSabatia campanulata (L.) Torrey — 7 images
slender pinweedLechea tenuifolia Michaux — 17 images
slender sand flatsedgeCyperus lupulinus (Spreng.) Marcks ( = filiculmis Vahl) — 15 images
slender spike-rushEleocharis tenuis (Willd.) Schultes — 1 image
slender waternymphNajas gracillima (A. Braun) Magnus — 2 images
slender willow, meadow willowSalix petiolaris J. E. Smith — 33 images
slender woolly-fruited sedgeCarex lasiocarpa var. americana Fern. — 9 images
slim amaranth, smooth pigweedAmaranthus hybridus L. — 2 images
small beggar-ticksBidens discoidea (Torrey et A. Gray) Britton — 8 images
small floating bladderwortUtricularia radiata Small ( = inflata var. minor Chapman) — 18 images
small-leaved lindenTilia cordata P. Miller — 2 images
Smith's clubsedgeScirpus smithii A. Gray ( = Schoenoplectus smithii (A. Gray) Sojak) — 14 images
smooth alder, common alderAlnus serrulata (Ait.) Willd. — 27 images
smooth asterAster laevis L. ( = Symphyotrichum laeve A. et D. Löve 1982) — 13 images
smooth crabgrassDigitaria ischaemum (Schreber) Muhl. — 2 images
smooth goldenrod, late goldenrodSolidago gigantea Aiton — 12 images
smooth hawkweedHieracium piloselloides Vill. ( = florentinum All.) — 3 images
smooth panic grassDichanthelium spretum (J.A. Schultes) Freckmann ( = acuminatum var. spretum (J.A. Schultes) Freckm. et Lelong) — 3 images
smooth shadbushAmelanchier laevis Wiegand ( = arborea var. laevis (Wieg.) Ahles) — 8 images
smooth spiderwortTradescantia ohiensis Raf. — 3 images
smooth sumacRhus glabra L. — 15 images
smooth white oldfield asterAster racemosus Ell. ( = Symphyotrichum racemosum Nesom 1994) — 6 images
smooth witherodViburnum nudum L. — 4 images
soft-stemmed bulrushScirpus tabernaemontani K.C. Gmelin ( = Schoenoplectus tabernaemontani (K.C. Gmelin) Pallas, validus Vahl.) — 15 images
soft-stemmed spike-rushEleocharis obtusa (Willd.) J.A. Schultes — 40 images
soft-stemmed spike-rushEleocharis obtusa var. ellipsoidalis Fern. — 10 images
soft-stemmed spike-rushEleocharis obtusa var. jejuna Fern. — 2 images
Solomon's sealPolygonatum pubescens (Willd.) Pursh — 17 images
southern bog clubmossLycopodiella appressa (Chapman) Cranfill ( = Lycopodium appressum (Chapman) Lloyd et Underwood) — 11 images
southern catalpaCatalpa bignonioides Walter — 5 images
southern ground-cedarDiphasiastrum digitatum (Dill. ex A. Br.) Holub ( = Lycopodium digitatum Dill. ex A. Brown, Lycopodium complanatum var. flabelliforme Fern.) — 19 images
Spanish bayonet, Adam's needleYucca filamentosa L. — 15 images
speckled alderAlnus rugosa (Du Roi) Spreng. — 36 images
spicebushLindera benzoin (L.) Blume — 34 images
spinulose wood fernDryopteris carthusiana (Vill.) H. P. Fuchs ( = spinulosa (O.F.Mueller) Watt) — 18 images
spiny-leaved sow-thistleSonchus asper (L.) Hill — 1 image
spoonleaf sundewDrosera intermedia Hayne — 14 images
spotted Joe-Pye-weedEupatorium maculatum L. ( = Eutrochium maculatum (L.) E.E. Lamont) — 10 images
spotted or bushy knapweedCentaurea stoebe ssp. micranthos (Gugler) Hayek ( = maculosa auct.) — 51 images
spotted pondweedPotamogeton pulcher Tuckerman — 2 images
spotted spurgeEuphorbia maculata L. ( = Chamaesyce maculata (L.) Small, supina Raf.) — 18 images
spotted St. John's-wortHypericum punctatum Lam. — 12 images
spreading bulrushScirpus expansus Fern. — 4 images
spreading cotoneasterCotoneaster divaricatus Rehd. et Wilson in Sarg. — 3 images
spreading dogbaneApocynum androsaemifolium L. — 14 images
spreading ricegrassOryzopsis asperifolia Michaux — 15 images
spreading ticktrefoilDesmodium x humifusum (Muhl. ex Bigelow) Beck ( = D. paniculatum x D. rotundifolium ) — 3 images
spring crocusCrocus vernus (L.) Hill — 2 images
spring vetchVicia sativa L. — 4 images
squaw-root, cancer-rootConopholis americana (L.) Wallr. f. — 10 images
staghorn sumacRhus typhina L. ( = R. hirta (L.) Sudworth) — 19 images
star-of-BethlehemOrnithogalum umbellatum L. — 4 images
starry Solomon's sealSmilacina stellata (L.) Desf. ( = Maianthemum stellatum (L.) Link) — 7 images
steeplebushSpiraea tomentosa L. — 15 images
stiff aster, spruce asterIonactis linariifolia (L.) Greene ( = Aster linariifolius L.) — 24 images
stiff clubmossLycopodium annotinum L. ( = Spinulum annotinum (L.) A. Haines) — 7 images
stiff-leaved sand sedge, shaved sedgeCarex tonsa (Fern.) Bickn. ( = rugosperma var. tonsa (Fern.) E. Voss) — 22 images
stinging nettleUrtica dioica ssp. dioica L. — 13 images
stout blue-eyed-grassSisyrinchium angustifolium P. Miller — 15 images
strawberryFragaria vesca L. — 3 images
straw-colored flatsedgeCyperus strigosus L. — 17 images
straw sedgeCarex straminea Willd. ex Schkuhr — 8 images
strict hairgrassAira praecox L. — 8 images
striped mapleAcer pensylvanicum L. — 21 images
striped pipsissewa, spotted wintergreenChimaphila maculata (L.) Pursh — 11 images
Stueve's bush-cloverLespedeza stuevei Nutt. — 4 images
sugar mapleAcer saccharum Marsh. — 16 images
sulphur cinquefoilPotentilla recta L. — 10 images
summer-cypressKochia scoparia (L.) Schrader — 11 images
summer grapeVitis aestivalis Michaux — 11 images
surface pondweed, ribbonleaf pondweedPotamogeton epihydrus Raf. — 17 images
swamp azaleaRhododendron viscosum (L.) Torr. — 16 images
swamp beggar-ticksBidens connata Muhl. ex Willd. — 12 images
swamp birch, fen birchBetula pumila L. — 8 images
swamp candlesLysimachia terrestris (L.) B.S.P. — 13 images
swamp cottonwoodPopulus heterophylla L. — 4 images
swamp dewberry, dwarf raspberryRubus pubescens Raf. — 4 images
swamp goldenrodSolidago uliginosa Nutt. — 5 images
swamp gooseberryRibes hirtellum Michaux — 16 images
swamp loosestrife, waterwillowDecodon verticillatus (L.) Ell. — 28 images
swamp mallowHibiscus moscheutos L. ( = palustris L.) — 15 images
swamp pennywort, woodland pennywortHydrocotyle americana L. — 13 images
swamp roseRosa palustris Marsh. — 21 images
swamp saxifrageSaxifraga pensylvanica L. ( = Micranthes pensylvanica (L.) Haw.) — 11 images
swamp sweetbellsLeucothoe racemosa (L.) Gray ( = Eubotrys racemosa (L.) Nutt.) — 22 images
swamp white oakQuercus bicolor Willd. — 51 images
Swan's sedgeCarex swanii (Fern.) Mackenzie — 15 images
sweet alyssumLobularia maritima (L.) Desv. — 1 image
sweetbay magnoliaMagnolia virginiana L. — 13 images
sweet birch, cherry birch, black birchBetula lenta L. — 17 images
sweet cherryPrunus avium (L.) L. — 7 images
sweet everlasting, fragrant cudweedGnaphalium obtusifolium L. ( = Pseudognaphalium obtusifolium (L.) Hilliard et Burtt) — 15 images
sweetfernComptonia peregrina (L.) Coulter — 20 images
sweetflagAcorus calamus L. — 16 images
sweet galeMyrica gale L. — 20 images
sweetgumLiquidambar styraciflua L. — 11 images
sweet Joe-Pye-weedEupatorium purpureum L. ( = Eutrochium purpureum (L.) E.E. Lamont) — 9 images
sweet pepperbushClethra alnifolia L. — 32 images
sweet vernalgrassAnthoxanthum odoratum L. — 16 images
sweet white violetViola blanda Willd. — 6 images
sweet-william catchflySilene armeria L. — 10 images
sweet woodruffGalium odoratum (L.) Scop. ( = Asperula odorata L.) — 3 images
switchgrassPanicum virgatum L. — 26 images
sycamorePlatanus occidentalis L. — 26 images
sycamore mapleAcer pseudoplatanus L. — 12 images
tall beggar-ticksBidens vulgata Greene — 7 images
tall bush-cloverLespedeza thunbergii ssp. formosa (Nakai) H. Ohashi — 25 images
tall buttercupRanunculus acris L. — 4 images
tall cinquefoil, glandular cinquefoilPotentilla arguta Pursh ( = Drymocallis arguta (Pursh) Rydb.) — 6 images
tall fescueFestuca arundinacea Schreber — 4 images
tall flat-topped white asterAster umbellatus P. Miller ( = Doellingeria umbellata (Mill.) Nees 1832) — 14 images
tall goldenrodSolidago altissima L. ( = canadensis var. scabra Torr. et Gray) — 10 images
tall meadowrueThalictrum pubescens Pursh ( = polygamum Muhl. ex Spreng.) — 17 images
tall milkweedAsclepias exaltata L. — 6 images
tall oatgrassArrhenatherum elatius (L.) J. et K. Presl — 9 images
tall rattlesnake-rootPrenanthes altissima L. ( = Nabalus altissimus (L.) Hooker) — 9 images
tall rattlesnake-root, gall-of-the-earthPrenanthes trifoliolata (Cass.) Fern. ( = Nabalus trifoliolatus Cass.) — 16 images
tall white aster, panicled asterAster lanceolatus Willd. ( = Symphyotrichum lanceolatum Nesom 1994) — 6 images
tall white violetViola canadensis L. — 4 images
tamarack, American larchLarix laricina (DuRoi) K. Koch — 13 images
thicket creeper, grape woodbineParthenocissus inserta (Kerner) Fritsch ( = vitacea (Knerr) A.C. Hitchc.) — 2 images
thicket shadbush, eastern serviceberry, juneberryAmelanchier canadensis (L.) Medicus — 34 images
thimbleweedAnemone virginiana L. — 1 image
thread-leaf sundewDrosera filiformis Raf. — 26 images
threadstem sedgeCarex atlantica ssp. capillacea (Bailey) Reznicek ( = howei Mackenzie) — 8 images
three-finger, strawberryweedPotentilla norvegica L. — 10 images
three-leaf goldthreadCoptis trifolia ssp. groenlandica (Oeder) Hulten ( = trifolia (L.) Salisb.) — 17 images
three-lobed violetViola palmata var. triloba (Schwein.) Gingins ex DC. ( = triloba Schwein.) — 12 images
three-seeded bog sedgeCarex billingsii (Knight) C.D. Kirschbaum ( = trisperma var. billingsii Knight) — 6 images
three-seeded mercuryAcalypha rhomboidea Raf. — 7 images
three-seeded sedgeCarex trisperma Dewey — 9 images
three-toothed cinquefoilSibbaldiopsis tridentata (Aiton) Rydb. ( = Potentilla tridentata Aiton) — 11 images
three-way sedgeDulichium arundinaceum (L.) Britton — 17 images
thyme-leaf pinweedLechea minor L. — 20 images
thyme-leaf speedwellVeronica serpyllifolia L. — 6 images
tiger lilyLilium lancifolium Thunb. ( = tigrinum Ker.) — 3 images
timothyPhleum pratense L. — 14 images
tiny vetch, hairy vetchVicia hirsuta (L.) S.F. Gray — 3 images
toad rushJuncus bufonius L. — 5 images
toothed white-topped asterSericocarpus asteroides (L.) B.S.P. ( = Aster paternus Cronq.) — 13 images
Toringo crabappleMalus sieboldii (Regel) Rehder — 9 images
Torrey's beaksedgeRhynchospora torreyana A. Gray — 8 images
tower mustardArabis glabra (L.) Bernh. ( = Turritis glabra L.) — 15 images
Tradescant's asterAster tradescantii L. ( = Symphyotrichum tradescantii (L.) Nesom) — 4 images
trailing arbutus, mayflowerEpigaea repens L. — 35 images
trail oatgrassDanthonia compressa Austin ex Peck — 19 images
tree-of-heavenAilanthus altissima (P. Miller) Swingle — 45 images
trembling aspenPopulus tremuloides Michaux — 33 images
trout-lilyErythronium americanum Ker-Gawler — 17 images
trumpet creeperCampsis radicans (L.) Seemann ex Bureau — 10 images
trumpet honeysuckleLonicera sempervirens L. — 8 images
tubercled spike-rushEleocharis tuberculosa (Michaux) Roemer et Schultes — 14 images
tuberous water-horehoundLycopus uniflorus Michaux — 40 images
tufted hairsedgeBulbostylis capillaris (L.) C.B. Clarke — 13 images
tufted loosestrifeLysimachia thyrsiflora L. — 9 images
tufted lovegrassEragrostis pectinacea (Michaux) Nees — 8 images
tuliptreeLiriodendron tulipifera L. — 13 images
tumbling mustardSisymbrium altissimum L. — 4 images
tupelo, black gumNyssa sylvatica Marshall — 75 images
Turk's cap lilyLilium superbum L. — 3 images
tussock sedgeCarex stricta Lam. — 10 images
twig-sedgeCladium mariscoides (Muhl.) Torrey — 12 images
twinflowerLinnaea borealis L. — 8 images
twin-scaped bladderwortUtricularia geminiscapa Benj. — 12 images
twisted yellow-eyed grassXyris torta Small — 19 images
twistwood, wayfaring treeViburnum lantana L. — 8 images
twoleaf miterwort, coolwortMitella diphylla L. — 1 image
upright yellow rocketBarbarea stricta Andrz. — 3 images
variable watermilfoilMyriophyllum heterophyllum Michaux — 13 images
variable water-starwortCallitriche heterophylla Pursh — 9 images
variegated scouring rushEquisetum variegatum Schleicher ex Weber et Mohr — 5 images
velvet-fruited sedgeCarex vestita Willd. — 14 images
velvet grassHolcus lanatus L. — 10 images
velvetleafAbutilon theophrasti Medicus — 2 images
velvet-leaf blueberryVaccinium myrtilloides Michaux — 8 images
Venus' looking-glassTriodanis perfoliata (L.) Nieuwl. ( = Specularia perfoliata (L.) A. DC.) — 6 images
violet bush-cloverLespedeza frutescens (L.) Hornem. ( = violacea auct., non (L.) Pers.) — 4 images
violet crabgrassDigitaria violascens Link ( = ischaemum var. violascens (Link) Radford) — 9 images
violet woodsorrelOxalis violacea L. — 4 images
virgin's-bowerClematis virginiana L. — 11 images
Virginia broomsedgeAndropogon virginicus L. — 7 images
Virginia chain fernWoodwardia virginica (L.) Smith — 19 images
Virginia cotton-grassEriophorum virginicum L. — 12 images
Virginia creeperParthenocissus quinquefolia (L.) Planchon — 27 images
Virginia pepperweedLepidium virginicum L. — 25 images
Virginia rose, low roseRosa virginiana P. Miller — 24 images
Virginia spiderwortTradescantia virginiana L. — 10 images
Virginia water-horehound, floodplain water-horehoundLycopus virginicus L. — 16 images
Virginia yellow flaxLinum virginianum L. — 14 images
wallflower (garden hybrid, parentage uncertain)Erysimum x marshalli (Henfr.) Bois. — 4 images
Walter's cockspurEchinochloa walterii (Pursh) Heller — 14 images
wand bush-cloverLespedeza violacea (L.) Pers. ( = intermedia (S. Wats.) Britt.) — 16 images
wand-loosestrifeLythrum virgatum L. — 5 images
Warty panic-grassPanicum verrucosum Muhl. — 21 images
water-arumCalla palustris L. — 15 images
water bulrush, floating bulrushScirpus subterminalis Torrey — 15 images
water chestnut; water caltropTrapa natans L. — 9 images
water chickweedCallitriche stagnalis Scop. — 31 images
water-cloverMarsilea quadrifolia L. — 7 images
watercressNasturtium officinale Ait. f. ( = Rorippa nasturtium-aquaticum (L.) Hayek) — 10 images
water-hemlockCicuta maculata L. — 12 images
water lettucePistia stratiotes L. — 3 images
water lobeliaLobelia dortmanna L. — 13 images
water parsnipSium suave Walter — 10 images
water purslane, mud loosestrifeLudwigia palustris (L.) Ell. — 19 images
watershieldBrasenia schreberi J.F. Gmel. — 24 images
waxy-leaved meadowrueThalictrum revolutum DC. — 10 images
weeping lovegrassEragrostis curvula (Schrader) Nees — 3 images
western ragweedAmbrosia psilostachya DC. — 2 images
western wheatgrassPascopyrum smithii (Rydb.) A. Love ( = Agropyron smithii Rydb.) — 5 images
whip hawkweedHieracium flagellare Willd. — 7 images
white ashFraxinus americana L. — 35 images
white avensGeum canadense Jacq. — 12 images
white beak-rushRhynchospora alba (L.) Vahl — 12 images
white bear sedgeCarex albursina Sheldon — 1 image
white bedstrawGalium mollugo L. — 17 images
whitebell honeysuckleLonicera x bella Zabel ( = morrowii x tatarica ) — 13 images
white campion or evening lychnisSilene latifolia ssp. alba (P. Mill.) Greuter et Burdet ( = Lychnis alba P. Miller) — 19 images
white cloverTrifolium repens L. — 14 images
white fringed orchidPlatanthera blephariglottis (Willd.) Lindley ( = Habenaria blephariglottis (Willd.) Hooker) — 12 images
white mulberryMorus alba L. — 8 images
white oakQuercus alba L. — 53 images
white oldfield asterAster pilosus Willd. ( = Symphyotrichum pilosum (Willd.) Nesom) — 31 images
white pinePinus strobus L. — 57 images
white poplarPopulus alba L. — 7 images
white snakerootAgeratina altissima (L.) King et H.E.Robinson ( = Eupatorium rugosum Houtt.) — 14 images
white sprucePicea glauca (Moench) Voss — 26 images
white sweetcloverMelilotus albus Medicus — 5 images
white turtleheadChelone glabra L. — 8 images
white vervainVerbena urticifolia L. — 13 images
white willowSalix alba L. — 7 images
white wood asterAster divaricatus L. ( = Eurybia divaricata (L.) G.L.Nesom 1994) — 10 images
whitlow-grassDraba verna L. — 21 images
whorled loosestrifeLysimachia quadrifolia L. — 12 images
whorled milkwortPolygala verticillata L. — 9 images
whorled wood asterAster acuminatus Michaux ( = Oclemena acuminata (Michx.) Greene 1903) — 14 images
wild barleyHordeum leporinum Link ( = murinum ssp. leporinum ) — 7 images
wild basilClinopodium vulgare L. ( = Satureja vulgaris (L.) Fritsch) — 5 images
wild blue lettuceLactuca biennis (Moench) Fern. — 11 images
wild columbine, red columbineAquilegia canadensis L. — 27 images
wild cucumber, prickly cucumberEchinocystis lobata (Michaux) Torrey et Gray — 8 images
wild garlicAllium canadense L. — 3 images
wild geraniumGeranium maculatum L. — 13 images
wild leekAllium tricoccum Ait. — 2 images
wild licoriceGalium circaezans Michaux — 13 images
wild licoriceGalium lanceolatum Torrey — 7 images
wild lupineLupinus perennis L. — 11 images
wild oatgrass, poverty grassDanthonia spicata (L.) Beauv. — 6 images
wild parsnipPastinaca sativa L. — 8 images
wild radishRaphanus raphanistrum L. — 20 images
wild raisin, witherodViburnum nudum var. cassinoides (L.) Torr. et Gray — 29 images
wild red raspberryRubus idaeus ssp. strigosus (Michaux) Focke — 10 images
wild ryeElymus virginicus L. — 13 images
wild sarsaparillaAralia nudicaulis L. — 19 images
wild sensitive plantChamaecrista nictitans (L.) Moench ( = Cassia nictitans L.) — 8 images
wild strawberryFragaria virginiana Duchesne — 11 images
willowSalix sp. (hybrid) — 7 images
willow-leaf dockRumex salicifolius Weinm. — 4 images
wine raspberryRubus phoenicolasius Maxim. — 8 images
winged bindweedPolygonum cristatum Engelm. et A. Gray ( = Fallopia cristata (Engelm. et Gray) Holub) — 10 images
winged sneezeweedHelenium flexuosum Raf. ( = nudiflorum Nutt.) — 6 images
winged spindletree, burning bushEuonymus alata (Thunb.) Sieb. — 16 images
winter creeperEuonymus fortunei (Turcz.) Hand.-Maz. — 7 images
wintergreen, checkerberry, eastern teaberryGaultheria procumbens L. — 25 images
witchgrassPanicum capillare L. — 6 images
witch-hazelHamamelis virginiana L. — 33 images
witch-hobbleViburnum lantanoides Michaux ( = alnifolium Marsh.) — 12 images
wolf's milkEuphorbia esula L. — 9 images
wood anemone, windflowerAnemone quinquefolia L. — 22 images
wood-betony, Canadian lousewort, common lousewortPedicularis canadensis L. — 8 images
wood figwortScrophularia nodosa L. — 19 images
woodgrassBrachyelytrum septentrionale (Babel) G. Tucker ( = aristosum (Michaux) Trel., erectum var. septentrionale Babel) — 6 images
woodland bedstrawGalium triflorum Michaux — 8 images
woodland bluegrassPoa nemoralis L. — 5 images
woodland brome or Canada bromeBromus pubescens Muhl. ex Willd. — 5 images
woodland bulrushScirpus verecundus Fern. ( = Trichophorum planifolium (Spreng.) Palla) — 12 images
woodland hawkweedHieracium paniculatum L. — 15 images
woodland horsetailEquisetum sylvaticum L. — 3 images
woodland sedgeCarex blanda Dewey — 5 images
woodland sunflowerHelianthus divaricatus L. — 15 images
wood lilyLilium philadelphicum L. — 26 images
woolly beach heatherHudsonia tomentosa Nutt. — 24 images
woolly mint (M. spicata x M. suaveolens)Mentha x villosa Hudson — 3 images
wormseed mustardErysimum cheiranthoides L. — 4 images
wreath goldenrod, bluestem goldenrodSolidago caesia L. — 5 images
Wright's panic grassDichanthelium wrightianum (Scribner) Freckmann ( = Panicum wrightianum Scribner) — 2 images
yam-leaf clematisClematis terniflora DC. ( = dioscoreifolia Levl. et Vaniot) — 11 images
yarrowAchillea millefolium L. — 9 images
yellow birchBetula alleghaniensis Britt. ( = lutea Michx.) — 29 images
yellow foxtailSetaria pumila (Poir.) Roemer et J.A. Schultes ( = glauca auct., non (L.) Beauv.) — 17 images
yellow-fruited fox sedgeCarex annectens (Bickn.) Bickn. — 9 images
yellow goat's-beardTragopogon pratensis L. — 5 images
yellow hornpoppyGlaucium flavum Crantz — 1 image
yellow irisIris pseudacorus L. — 16 images
yellow oak, chinquapin oakQuercus muehlenbergii Englem. — 1 image
yellow rattleRhinanthus minor L. ( = crista-galli L. pro parte) — 2 images
yellow rocketBarbarea vulgaris R. Br. — 31 images
yellow stargrassHypoxis hirsuta (L.) Cov. — 10 images
yellow sweetcloverMelilotus officinalis (L.) Lam. — 4 images
yellow thistleCirsium horridulum Michaux — 8 images
yellow water crowfootRanunculus flabellaris Raf. — 4 images
yellow waterlily, spatterdockNuphar variegata Durand ex Clinton — 17 images
yellow wild indigo, horsefly weedBaptisia tinctoria (L.) R. Br. ex Ait. f. — 10 images
yellow wild lettuceLactuca canadensis L. — 19 images
yellowwoodCladrastis kentukea (Dum.-Cours.) Rudd — 8 images
zigzag goldenrodSolidago flexicaulis L. — 5 images