Index of Latin Names

Abeliophyllum distichum Nakai — 1 image
Abies balsamea (L.) P. Miller — balsam fir — 17 images
Acalypha rhomboidea Raf. — three-seeded mercury — 6 images
Acer campestre L. — hedge-maple — 1 image
Acer negundo L. — boxelder — 2 images
Acer negundo var. violaceum (Kirsch.) Jaeg. — boxelder — 18 images
Acer palmatum Thunb. — Japanese maple — 3 images
Acer pensylvanicum L. — striped maple — 17 images
Acer platanoides L. — Norway maple — 11 images
Acer pseudoplatanus L. — sycamore maple — 6 images
Acer rubrum L. — red maple — 44 images
Acer saccharinum L. — silver maple — 21 images
Acer saccharum Marsh. — sugar maple — 15 images
Achillea millefolium L. — yarrow — 7 images
Acorus calamus L. — sweetflag — 11 images
Actaea pachypoda Ell. — doll's eyes, white baneberry — 12 images
Adiantum pedatum L. — northern maidenhair — 7 images
Aegopodium podagraria L. — goutweed — 11 images
Aesculus hippocastanum L. — horse-chestnut — 3 images
Agalinis maritima (Raf.) Raf. ( = Gerardia maritima Raf.) — saltmarsh false foxglove — 9 images
Agalinis paupercula (A. Gray) Britton ( = Gerardia purpurea var. parviflora Bentham) — small-flowered gerardia — 1 image
Agalinis purpurea (L.) Pernnell ( = Gerardia purpurea L.) — purple false foxglove — 15 images
Agalinis tenuifolia (Vahl.) Raf. ( = Gerardia tenuifolia Vahl.) — slender gerardia — 3 images
Ageratina altissima (L.) King et H.E.Robinson ( = Eupatorium rugosum Houtt.) — white snakeroot — 9 images
Agrimonia gryposepala Wallr. — common agrimony, woodland agrimony — 5 images
Ailanthus altissima (P. Miller) Swingle — tree-of-heaven — 18 images
Ajuga genevensis L. — Geneva bugleweed, standing bugle — 1 image
Ajuga reptans — common bugle — 2 images
Akebia quinata (Houtt.) Dcne. — five-leaved akebia — 13 images
Alisma plantago-aquatica L. — water-plantain — 5 images
Alliaria petiolata (Bieb.) Cavara et Grande ( = officinalis Andrz.) — garlic mustard — 11 images
Allium sativum L. — garlic — 3 images
Allium tricoccum Ait. — wild leek — 2 images
Allium vineale L. — field garlic — 4 images
Alnus glutinosa (L.) Gaertner — European alder — 3 images
Alnus rugosa (Du Roi) Spreng. — speckled alder — 27 images
Alnus serrulata (Ait.) Willd. — smooth alder, common alder — 16 images
Alopecurus pratensis L. — meadow foxtail — 2 images
Amaranthus blitoides S. Watson — prostrate amaranth, tumbleweed — 4 images
Amaranthus hybridus L. — slim amaranth, smooth pigweed — 2 images
Ambrosia artemisiifolia L. — annual ragweed — 11 images
Amelanchier arborea (Michaux f.) Fern. — common serviceberry, smooth shadbush — 12 images
Amelanchier canadensis (L.) Medicus — thicket shadbush, eastern serviceberry, juneberry — 14 images
Amelanchier laevis Wiegand ( = arborea var. laevis (Wieg.) Ahles) — smooth shadbush — 4 images
Amelanchier nantucketensis Bickn. — Nantucket shadbush — 9 images
Amelanchier sp. cf. laevis — 14 images
Amelanchier spicata (Lam.) K. Koch ( = spicata auct. ) — running serviceberry, running shadbush — 17 images
Ammophila breviligulata Fern. — dune grass — 11 images
Amorpha fruticosa L. — indigo bush — 7 images
Ampelopsis brevipedunculata (Maxim.) Trautv. ( = heterophylla var. brevipedunculata C. L. Li) — Amur peppervine, porcelain berry — 6 images
Amphicarpaea bracteata (L.) Fern. — hog-peanut — 7 images
Anagallis arvensis L. — scarlet pimpernel — 2 images
Andromeda polifolia var. glaucophylla (Link) DC. — bog rosemary — 3 images
Andropogon gerardii Vitman — big bluestem — 6 images
Andropogon glomeratus (Walter) B.S.P. ( = virginicus var. abbreviatus (Hackel) Fern. et Grisc.) — bunched broom-sedge — 5 images
Anemone canadensis L. — Canada anemone — 2 images
Anemone quinquefolia L. — wood anemone, wind-flower — 15 images
Anemone virginiana L. — thimbleweed — 1 image
Angelica lucida L. — seaside angelica — 12 images
Antennaria neglecta Greene — pussytoes — 5 images
Antennaria neodioica Greene — Greene's pussytoes — 5 images
Antennaria plantaginifolia (L.) Richardson — plantain-leaved pussytoes — 9 images
Anthoxanthum odoratum L. — sweet vernalgrass — 7 images
Anthriscus sylvestris (L.) Hoffmann — chervil — 5 images
Apios americana Medik. — groundnut — 7 images
Apocynum androsaemifolium L. — spreading dogbane — 7 images
Apocynum cannabinum L. — Indian hemp — 7 images
Aquilegia canadensis L. — wild columbine, red columbine — 19 images
Arabidopsis thaliana (L.) Heynh. — mouse-ear cress — 8 images
Arabis canadensis L. — sickle-pod — 10 images
Arabis glabra (L.) Bernh. ( = Turritis glabra L.) — tower mustard — 6 images
Aralia elata (Miq.) Seem. — 15 images
Aralia hispida Vent. — bristly sarsaparilla — 18 images
Aralia nudicaulis L. — wild sarsaparilla — 15 images
Arctium minus Bernh. — lesser or common burdock — 4 images
Arctostaphylos uva-ursi A. et D. Love et Kapoor — kinnikinnik, bearberry — 9 images
Arethusa bulbosa L. — dragon's mouth — 7 images
Arisaema triphyllum (L.) Schott — Jack-in-the-pulpit — 13 images
Aristida dichotoma Michaux — poverty-grass — 5 images
Aronia arbutifolia (L.) Ell. — red chokeberry — 11 images
Aronia melanocarpa (Michx.) Ell. — black chokeberry — 18 images
Aronia x prunifolia (Marsh.) Rehder — purple chokeberry — 5 images
Artemisia absinthium L. — absinthe — 2 images
Artemisia campestris ssp. caudata (Michaux) Hall et Clements — seaside wormwood — 11 images
Artemisia stelleriana Bess. — dustymiller, beach wormwood — 8 images
Artemisia vulgaris L. — common wormwood, mugwort — 10 images
Asarum canadense L. — Canadian wild ginger — 7 images
Asclepias amplexicaulis Sm. — clasping milkweed — 5 images
Asclepias exaltata L. — tall milkweed — 4 images
Asclepias incarnata ssp. pulchra (Ehrh. ex Willd.) Woodson — downy swamp milkweed — 15 images
Asclepias quadrifolia Jacq. — four-leaved milkweed — 3 images
Asclepias syriaca L. — common milkweed — 16 images
Asclepias tuberosa L. — butterfly milkweed — 13 images
Asparagus officinalis L. — garden asparagus — 10 images
Asplenium platyneuron (L.) B.S.P. — ebony spleenwort — 12 images
Asplenium trichomanes L. — maidenhair spleenwort — 1 image
Aster acuminatus Michaux ( = Oclemena acuminata (Michx.) Greene 1903) — sharp-leaved aster, whorled wood aster — 13 images
Aster cordifolius Michaux ( = Symphyotrichum cordifolium G.L.Nesom 1994) — blue heart-leaf aster — 9 images
Aster divaricatus L. ( = Eurybia divaricata (L.) G.L.Nesom 1994) — white wood aster — 9 images
Aster dumosus L. ( = Symphyotrichum dumosum G.L.Nesom 1994) — long-stalked aster — 10 images
Aster ericoides L. ( = Symphyotrichum ericoides (L.) Nesom) — heath white aster — 11 images
Aster laevis L. ( = Symphyotrichum laeve A. et D. Löve 1982) — smooth aster — 9 images
Aster lanceolatus Willd. ( = Symphyotrichum lanceolatum Nesom 1994) — tall white aster, panicled aster — 6 images
Aster lateriflorus (L.) Britton ( = Symphyotrichum lateriflorum (L.) A. et D. Löve 1982) — calico aster — 5 images
Aster linariifolius L. ( = Ionactis linariifolia (L.) Greene) — stiff aster, spruce aster — 18 images
Aster macrophyllus L. ( = Eurybia macrophylla (L.) Cassini 1825) — large-leaved aster — 16 images
Aster novae-angliae L. ( = Symphyotrichum novae-angliae Nesom 1994) — New England aster — 15 images
Aster novi-belgii L. ( = Symphyotrichum novi-belgii (L.) Nesom 1994) — New York aster — 21 images
Aster patens Ait. ( = Symphyotrichum patens (Ait.) Nesom 1994) — clasping aster, skydrops — 11 images
Aster pilosus Willd. ( = Symphyotrichum pilosum (Willd.) Nesom) — white oldfield aster — 23 images
Aster puniceus L. ( = Symphyotrichum puniceum A. et D. Löve 1982) — bristly aster, swamp aster — 5 images
Aster racemosus Ell. ( = Symphyotrichum racemosum Nesom 1994) — smooth white oldfield aster — 3 images
Aster spectabilis Ait. ( = Eurybia spectablis (Ait.) G.L.Nesom 1994) — showy aster — 28 images
Aster subulatus Mischaux ( = Symphyotrichum subulatum (Michaux) Nesom) — annual saltmarsh aster — 10 images
Aster tenuifolius L. ( = Symphyotrichum tenuifolium (L.) Nesom) — perennial saltmarsh aster — 18 images
Aster umbellatus P. Miller ( = Doellingeria umbellata (Mill.) Nees 1832) — tall flat-topped white aster — 7 images
Aster undulatus L. ( = Symphyotrichum undulatum (L.) Nesom 1994) — clasping hartleaf aster — 10 images
Athyrium filix-femina var. angustum (Willd.) Lawson — northern lady-fern — 13 images
Atriplex cristata Humb. et Bonpl. ex Willd. ( = arenaria Nutt.) — seabeach orache — 10 images
Atriplex glabriuscula Edmondston — prostrate orache — 8 images
Atriplex prostrata Boucher ex DC ( = A. patula var. hastata auct. non (L.) A. Gray) — halberd-leaf orache — 18 images
Aureolaria pedicularia (L.) Raf. ( = Gerardia pedicularia L.) — fernleaf yellow false foxglove — 19 images
Aureolaria virginica (L.) Pernnell ( = Gerardia virginica (L.) B.S.P.) — downy false foxglove — 6 images
Baccharis halimifolia L. — sea-myrtle — 12 images
Baptisia tinctoria (L.) R. Br. ex Ait. f. — yellow wild indigo, horsefly weed — 9 images
Barbarea vulgaris R. Br. — yellow rocket — 16 images
Bartonia paniculata (Michaux) Muhl. — panickled screw-stem — 2 images
Bartonia virginica (L.) B.S.P. — screw-stem — 14 images
Berberis thunbergii DC. — Japanese barberry — 12 images
Berberis vulgaris L. — common barberry — 14 images
Berteroa incana (L.) DC. — hoary alyssum — 5 images
Betula alleghaniensis Britt. ( = lutea Michx.) — yellow birch — 17 images
Betula lenta L. — sweet birch, cherry birch, black birch — 15 images
Betula nigra L. — river birch — 24 images
Betula papyrifera Marsh. — paper birch — 22 images
Betula populifolia Marsh. — gray birch — 14 images
Bidens cernua L. — nodding bur-marigold — 2 images
Bidens connata Muhl. ex Willd. — swamp beggar-ticks — 3 images
Bidens coronata (L.) Britton — northern tickseed sunflower — 8 images
Bidens discoidea (Torrey et A. Gray) Britton — small beggar-ticks — 8 images
Bidens frondosa L. — beggar-ticks — 4 images
Boehmeria cylindrica (L.) Sw. — false nettle, bog-hemp — 7 images
Botrychium dissectum Sprengel — cut-leaved grape-fern — 4 images
Botrychium virginianum (L.) Sw. — rattlesnake-fern — 11 images
Brachyelytrum septentrionale (Babel) G. Tucker ( = erectum var. septentrionale Babel) — woodgrass — 5 images
Brasenia schreberi J.F. Gmel. — watershield — 9 images
Bromus inermis Leysser — awnless brome — 4 images
Bromus pubescens Muhl. ex Willd. — woodland brome or Canada brome — 5 images
Bromus sterilis L. — barren brome — 2 images
Bromus tectorum L. — drooping brome, downy chess — 4 images
Buddleja davidii Franch. — butterfly bush, summer lilac — 18 images
Bulbostylis capillaris (L.) C.B. Clarke — sand-sedge — 6 images
Cabomba caroliniana A. Gray — Carolina fanwort — 18 images
Cakile edentula (Bigelow) Hook. — sea rocket — 5 images
Calamagrostis canadensis (Michaux) Beauv. — Canada bluejoint — 6 images
Calamagrostis coarctata (Torrey) Eaton ( = cinnoides W. Barton) — reed bluejoint — 7 images
Calla palustris L. — water-arum — 13 images
Callitriche heterophylla Pursh — variable water-starwort — 3 images
Callitriche stagnalis Scop. — water chickweed — 4 images
Calluna vulgaris (L.) Hull — Scotch heather — 4 images
Calopogon tuberosus (L.) B.S.P. — grass-pink — 1 image
Caltha palustris L. — marsh marigold — 10 images
Calystegia sepium (L.) R. Br. — morning-glory — 8 images
Campanula rapunculoides L. — rampion or creeping bellflower — 3 images
Campsis radicans (L.) Seemann ex Bureau — trumpet creeper — 5 images
Capsella bursa-pastoris (L.) Medicus — shepherd's purse — 8 images
Cardamine bulbosa (Schreb. ex Muhl.) B.S.P. — bulbous bittercress, spring cress — 7 images
Cardamine diphylla Wood — crinkleroot — 3 images
Cardamine flexuosa With. — greater bittercress — 8 images
Cardamine hirsuta L. — hairy rock-cress, hoary bittercress — 16 images
Cardamine parviflora var. arenicola (Britton) O.E. Schulz — narrow-leaved bittercress — 11 images
Cardamine pensylvanica — common bittercress — 5 images
Cardamine pratensis L. — cuckoo-flower — 4 images
Carex albicans var. emmonsii J. Rettig ( = emmonsii Dewey ex Torrey) — Emmons' sedge — 3 images
Carex annectens (Bickn.) Bickn. — yellow-fruited fox sedge — 5 images
Carex atlantica ssp. capillacea (Bailey) Reznicek ( = howei Mackenzie) — threadstem sedge — 7 images
Carex bromoides Schkuhr. ex Willd. — brome-like sedge — 1 image
Carex communis Bailey — common sedge — 4 images
Carex comosa Boott — bristly sedge — 6 images
Carex crinita Lam. — fringed sedge — 7 images
Carex folliculata L. — long-culmed sedge — 11 images
Carex gracillima Schwein. — slender drooping sedge — 5 images
Carex hormathodes Fernald — saltmarsh straw sedge — 6 images
Carex intumescens Rudge — bladder-sedge or swamp sedge — 9 images
Carex laxiflora Lam. — loose-flowered woodland sedge — 9 images
Carex lupuliformis Sartwell ex Dewey — 2 images
Carex lupulina Muhl. ex Willd. — hop sedge — 4 images
Carex lurida Wahlenb. — sallow sedge — 13 images
Carex pensylvanica Lam. — Pennsylvania sedge — 9 images
Carex plantaginea Lam. — plantain-leaf sedge — 2 images
Carex platyphylla Carey — broad-leaved woodland sedge — 2 images
Carex projecta Mackenzie — beaded broom-sedge or necklace broom-sedge — 1 image
Carex rosea Schkuhr. ex Willd. — big star sedge — 2 images
Carex scoparia Schkuhr. ex Willd. — broom sedge — 4 images
Carex straminea Willd. ex Schkuhr. — straw sedge — 5 images
Carex stricta Lam. — tussock sedge — 10 images
Carex swanii (Fern.) Mackenzie — Swan's sedge — 6 images
Carex utriculata Boott ( = rostrata var. utriculata (Boott) Bailey) — bottle sedge — 6 images
Carex vestita Willd. — velvet-fruited sedge — 11 images
Carex vulpinoidea Michaux ( = setacea Dewey) — fox sedge — 9 images
Carpinus caroliniana Walter — ironwood, hornbeam — 12 images
Carya alba (L.) Nutt. ex Ell. ( = tomentosa (Lam. ex Poiret) Nutt.) — mockernut hickory — 19 images
Carya cordiformis (Wangenh.) K. Koch — bitternut hickory, swamp hickory — 22 images
Carya glabra (P. Miller) Sweet — pignut hickory — 17 images
Carya ovalis (Wangenh.) Sarg. — false shagbark hickory — 8 images
Carya ovata (P. Miller) K. Koch — shagbark hickory — 19 images
Castanea dentata (Marsh.) Borkh. — American chestnut — 42 images
Catalpa bignonioides Walter — southern catalpa — 5 images
Caulophyllum thalictroides (L.) Michaux — blue cohosh — 4 images
Ceanothus americanus L. — New Jersey tea — 12 images
Celastrus orbiculata Thunb. — Oriental bittersweet, Asian bittersweet — 46 images
Celastrus scandens L. — American bittersweet — 7 images
Celtis occidentalis L. — common hackberry — 12 images
Celtis sp. — 3 images
Centaurea jacea L. — brown knapweed — 8 images
Centaurea maculosa Lam. ( = C. stoebe ssp. micranthos (Gugler) Hayek, C. biebersteinii DC.) — spotted or bushy knapweed — 15 images
Cephalanthus occidentalis L. — common buttonbush — 9 images
Cerastium vulgatum L. ( = fontanum ssp. vulgare (Hartman) Greuter et Burdet) — common mouse-ear chickweed — 2 images
Chamaecrista nictitans (L.) Moench ( = Cassia nictitans L.) — wild sensitive plant — 6 images
Chamaecyparis thyoides (L.) B.S.P. — Atlantic white cedar — 39 images
Chamaedaphne calyculata (L.) Moench — leatherleaf, cassandra — 12 images
Chelidonium majus L. — celandine — 3 images
Chelone glabra L. — white turtlehead — 7 images
Chenopodium album L. — pigweed, lamb's quarters — 15 images
Chenopodium ambrosioides L. — Mexican tea, wormseed — 10 images
Chenopodium macrocalycium Aellen ( = C. berlandieri var. macrocalycium (Aellen) Cronq.) — seabeach pigweed — 8 images
Chenopodium pumilio R. Br. — ridged goosefoot, pygmy goosefoot — 2 images
Chenopodium rubrum L. — coast-blite, red goosefoot — 13 images
Chenopodium simplex (Torrey) Raf. ( = hybridum L.) — maple-leaf goosefoot — 7 images
Chimaphila maculata (L.) Pursh — striped pipsissewa, spotted wintergreen — 5 images
Chimaphila umbellata ssp. cisatlantica (Blake) Hulten — pipsissewa — 5 images
Chionodoxa luciliae Boiss. — glory-of-the-snow — 2 images
Chrysosplenium americanum Schwein. ex Hooker — golden saxifrage, water-carpet — 14 images
Cichorium intybus L. — chicory — 6 images
Cicuta bulbifera L. — bulblet water-hemlock — 10 images
Cicuta maculata L. — water-hemlock — 10 images
Cinna arundinacea L. — common woodreed — 4 images
Circaea luteniana ssp. canadensis (L.) Aschers. et Magnus ( = quadrisulcata var. candensis (L.) Hara) — enchanter's nightshade — 9 images
Cirsium arvense (L.) Scop. — Canada thistle — 4 images
Cirsium pumilum (Nutt.) Sprengel — pasture thistle — 10 images
Cirsium vulgare (Savi) Ten. — bull thistle — 17 images
Cladrastis kentukea (Dum.-Cours.) Rudd — yellowwood — 1 image
Claytonia caroliniana Michx. — broad-leaved spring-beauty — 4 images
Clematis virginiana L. — virgin's-bower — 11 images
Clethra alnifolia L. — sweet pepperbush — 14 images
Clinopodium vulgare L. ( = Satureja vulgaris (L.) Fritsch) — wild basil — 1 image
Clintonia borealis (Aiton) Ref. — bluebead-lily — 15 images
Comandra umbellata (L.) Nutt. — bastard toadflax — 12 images
Comarum palustre L. ( = Potentilla palustris (L.) Scop.) — marsh cinquefoil — 8 images
Commelina communis L. — dayflower — 3 images
Comptonia peregrina (L.) Coulter — sweet-fern — 15 images
Conopholis americana (L.) Wallr. f. — squaw-root, cancer-root — 7 images
Convallaria majalis L. — lily-of-the-valley — 7 images
Conyza canadensis (L.) Cronq. — horseweed, hogweed — 11 images
Conyza canadensis var. pusilla (Nutt.) Cronq. ( = Conyza parva Cronq.) — dwarf horseweed, coastal horseweed — 7 images
Coptis trifolia ssp. groenlandica (Oeder) Hulten — three-leaf goldthread — 11 images
Corema conradii (Torrey) Torrey ex Loudon — broom-crowberry — 32 images
Coreopsis lanceolata L. — lanceleaf tickseed — 6 images
Coreopsis rosea Nutt. — pink tickweed — 5 images
Cornus alternifolia L. f. — pagoda dogwood, alternate-leaved dogwood — 8 images
Cornus amomum P. Mill. — silky dogwood — 10 images
Cornus canadensis L. ( = Chamaepericlymenum canadense (L.) Aschers. et Graebn.) — bunchberry, dwarf cornel — 8 images
Cornus florida L. ( = Benthamidia florida (L.) Spach) — flowering dogwood — 22 images
Cornus racemosa Lam. — gray dogwood — 8 images
Cornus rugosa Lam. — round-leaved dogwood, talus dogwood — 6 images
Cornus sericea L. ( = stolonifera Michaux) — red osier — 4 images
Coronilla varia L. — crown-vetch — 2 images
Corydalis sempervirens (L.) Pers. ( = Capnoides sempervirens (L.) Borkh.) — pale corydalis or rock-harlequin — 15 images
Corylus americana Walt. — American hazelnut — 22 images
Corylus cornuta Marsh. — beaked hazelnut — 15 images
Crataegus submollis Sarg. ( = mollis Scheele) — downy hawthorn — 2 images
Cuscuta gronovii Willd. ex J.A. Schultes — dodder — 4 images
Cynanchum louiseae Kartez et Ghandi ( = nigrum (L.) Pers.) — black swallow-wort — 11 images
Cynanchum rossicum (Kleopov) Borhidi — pale swallow-wort — 10 images
Cyperus dentatus Torrey — pondshore flatsedge — 8 images
Cyperus grayi Torr. — Gray's flatsedge — 7 images
Cyperus lupulinus (Spreng.) Marcks. ( = filiculmis Vahl) — slender sand flatsedge — 8 images
Cyperus strigosus L. — straw-colored flatsedge — 8 images
Cypripedium acaule Aiton — pink lady's slipper — 6 images
Cystopteris fragilis (L.) Bernh. — fragile fern — 11 images
Cytisus scoparius (L.) Link — scotch broom — 15 images
Dactylis glomerata L. — orchard grass — 2 images
Danthonia compressa Austin ex Peck — trail oatgrass — 5 images
Datura stramonium L. — Jimson-weed — 5 images
Daucus carota L. — Queen Anne's lace — 3 images
Decodon verticillatus (L.) Ell. — swamp loosestrife, water-willow — 14 images
Dennstaedtia punctilobula (Michaux) T. Moore — hayscented fern — 6 images
Deparia acrostichoides (Swartz) M. Kato ( = Asplenium acrostichoides Sw.) — silvery spleenwort — 5 images
Deschampsia flexuosa (L.) Trin. — common hairgrass — 6 images
Desmodium canadense (L.) DC. — showy ticktrefoil — 4 images
Desmodium ciliare (Muhl. ex Willd.) DC. — hairy small-leaved tick-trefoil — 7 images
Desmodium glutinosum (Muhl. ex Willd.) Wood — cluster-leaved ticktrefoil — 5 images
Desmodium marilandicum (L.) DC. — Maryland or smooth small-leaved tick-trefoil — 9 images
Desmodium nudiflorum (L.) DC. — nake-flowered ticktrefoil — 5 images
Desmodium paniculatum (L.) DC. — panicled ticktrefoil — 6 images
Desmodium perplexum Schub. ( = glabellum (Mischx.) DC., dillenii Darl.) — perplexing ticktrefoil — 3 images
Desmodium rotundifolium DC. — prostrate ticktrefoil — 7 images
Desmodium x humifusum (Muhl. ex Bigelow) Beck ( = D. paniculatum x D. rotundifolium ) — spreading tick-trefoil — 3 images
Dianthus armeria L. — debtford pink — 2 images
Dicentra cucullaria (L.) Bernh. — Dutchman's breeches — 7 images
Dichanthelium acuminatum var. fasciculatum (Torrey) Freckmann ( = Panicum lanuginosum Ell.) — fascicled panic-grass — 7 images
Dichanthelium clandestinum (L.) Gould ( = Panicum clandestinum L.) — deer-tongue — 5 images
Dichanthelium commutatum (J.A.Schultes) Gould — changeablepanic-grass — 2 images
Dichanthelium dichotomum (L.) Gould ( = Panicum dichotomum L.) — forked panic-grass — 5 images
Dichanthelium linearifolium (Scribner) Gould ( = Panicum linearifolium Scribner) — linear-leaved panic-grass — 5 images
Diervilla lonicera L. — bush-honeysuckle — 13 images
Digitaria ischaemum (Schreber) Muhl. — smooth crabgrass — 1 image
Digitaria sanguinalis (L.) Scop. — large crabgrass — 8 images
Diodia teres Walter — buttonweed — 10 images
Diphasiastrum digitatum (Dill. ex A. Br.) Holub ( = Lycopodium digitatum Dill. ex A. Brown, Lycopodium complanatum var. flabelliforme Fern.) — southern ground-cedar — 8 images
Diphasiastrum tristachyum (Pursh) Holub ( = Lycopodium tristachyum Pursh) — slender ground-cedar, wiry ground-cedar — 11 images
Dipsacus fullonum L. — common teasel — 4 images
Dirca palustris L. — leatherwood — 5 images
Distichlis spicata (L.) Greene — salt grass — 6 images
Doronicum pardalianches L. — great leopard's bane — 6 images
Draba verna L. — whitlow-grass — 11 images
Drosera filiformis Raf. — thread-leaf sundew — 18 images
Drosera intermedia Hayne — spoonleaf sundew — 8 images
Drosera rotundifolia L. — roundleaf sundew — 8 images
Dryopteris carthusiana (Vill.) H. P. Fuchs ( = spinulosa (O.F.Mueller) Watt) — spinulose wood fern — 5 images
Dryopteris clintoniana (D.C. Eaton ex A. Gray) Dowell — Clinton's wood fern — 1 image
Dryopteris cristata (L.) A. Gray — crested wood fern — 11 images
Dryopteris filix-mas (L.) Schott. — male fern — 4 images
Dryopteris intermedia (Muhl. ex Willd.) A. Gray — intermediate wood fern — 12 images
Dryopteris marginalis (L.) A. Gray — marginal wood fern — 15 images
Duchesnea indica (Andr.) Focke — Indian strawberry — 9 images
Dulichium arundinaceum (L.) Britton — three-way sedge — 11 images
Echinochloa crus-galli (L.) Beauv. — barnyard grass — 6 images
Echinochloa frumentacea (Roxb.) Link ( = Echinochloa crus-galli var. frumentacea (Link) W.F.Wight) — Japanese millet — 3 images
Echinochloa walterii (Pursh) Heller — Walter's cockspur — 14 images
Echinocystis lobata (Michaux) Torrey et Gray — wild cucumber, prickly cucumber — 6 images
Echium vulgare L. — common viper's bugloss, blue weed — 3 images
Elaeagnus angustifolia L. — Russian olive, oleaster, silverberry — 4 images
Elaeagnus umbellata Thunb. — autumn-olive, oleaster — 17 images
Elatine minima (Nutt.) Fischer et C.A.Meyer — lesser waterwort — 2 images
Eleocharis obtusa (Willd.) J.A. Schultes — soft-stemmed spike-rush — 7 images
Eleocharis ovata (Roth) R. et S. — ovate spike-rush — 1 image
Eleocharis parvula (R. et S.) Link ex. Bluff, Nees et Schauer — dwarf spike-rush — 3 images
Eleocharis sp. — spike-rush — 5 images
Eleocharis tenuis (Willd.) Schultes — slender spike-rush — 1 image
Elymus virginicus L. — wild rye — 4 images
Elymus virginicus var. halophilus (Bickn.) Wieg. — saltmarsh wild rye — 6 images
Elytrigia pungens (Pers.) Tutin ( = Agropyron littorale (Host) Dur.) — seabeach quack-grass — 4 images
Epifagus virginiana (L.) W.P.C. Barton — beech-drops — 11 images
Epigaea repens L. — trailing arbutus, mayflower — 18 images
Epilobium angustifolium L. — great willow-herb — 4 images
Epilobium ciliatum Raf. — American willow-herb — 9 images
Epilobium coloratum Biehler — eastern willow-herb, purple-leaved willow-herb — 3 images
Epilobium leptophyllum Raf. — narrow-leaved willow-herb — 2 images
Epipactis helleborine (L.) Crantz — helleborine — 11 images
Equisetum arvense L. — field horsetail, common horsetail — 11 images
Equisetum fluviatile L. — river horsetail — 12 images
Equisetum hyemale L. — scouring-rush — 5 images
Equisetum sylvaticum L. — woodland horsetail — 3 images
Eragrostis pilosa (L.) Beauv. — India lovegrass — 2 images
Eragrostis spectabilis (Pursh) Steudel — purple lovegrass — 4 images
Erechtites hieracifolia (L.) Raf. ex DC. — burnweed, fireweed, pilewort — 17 images
Erigeron annuus (L.) Pers. — eastern daisy fleabane — 4 images
Erigeron philadelphicus L. — Philadelphia fleabane — 4 images
Erigeron strigosus Muhl. — rough fleabane — 7 images
Eriocaulon aquaticum (Hill) Druce ( = septangulare With.) — pipewort, white buttons — 12 images
Eriophorum virginicum L. — Virginia cotton-grass — 8 images
Erysimum cheiranthoides L. — wormseed mustard — 4 images
Erysimum x marshalli (Henfr.) Bois ( = garden hybrid, parentage uncertain ) — wallflower — 4 images
Erythronium americanum Ker-Gawler — trout-lily — 12 images
Euonymus alata (Thunb.) Sieb. — winged spindletree, burning bush — 16 images
Euonymus europaea L. — European spindletree — 10 images
Euonymus fortunei (Turcz.) Hand.-Maz. — winter creeper — 6 images
Euonymus sachalinensis (Fr. Schmidt) Maxim. — Sakhalin spindletree — 9 images
Eupatorium dubium Willd. ex Poiret — Atlantic Joe-Pye-weed — 11 images
Eupatorium fistulosum Barratt — hollow-stemmed Joe-Pye-weed — 2 images
Eupatorium hyssopifolium L. — hyssop-leaved boneset — 10 images
Eupatorium leucolepis var. novae-angliae Fernald ( = novae-angliae V.I. Sullivan) — New England boneset, pondshore boneset — 4 images
Eupatorium maculatum L. — spotted Joe-Pye-weed — 5 images
Eupatorium perfoliatum L. — boneset, thoroughwort — 17 images
Eupatorium pilosum Walter ( = rotundifolium var. saundersii (Porter) Cronq.) — rough boneset, verbena boneset — 9 images
Eupatorium purpureum L. — sweetscented Joe-Pye-weed — 7 images
Eupatorium rotundifolium var. ovatum (Bigelow) Torrey ( = pubescens Muhl. ex Willd.) — hairy boneset — 3 images
Euphorbia cyparissias L. — cypress spurge — 9 images
Euphorbia maculata L. ( = Chamaesyce maculata (L.) Small, supina Raf.) — spotted spurge — 12 images
Euphorbia polygonifolia L. ( = Chamaecyce polygonifolia (L.) Small) — seaside spurge — 13 images
Euthamia graminifolia (L.) Nutt. ( = Solidago graminifolia (L.) Salisb.) — flat-topped goldenrod — 7 images
Euthamia tenuifolia (Pursh) Nutt. ( = Solidago tenuifolia Pursh, Euthamia caroliniana (L.) Greene ex Potter et Britton) — slender goldenrod — 14 images
Fagus grandifolia Ehrh. — American beech — 23 images
Fagus sylvatica L. — European beech — 4 images
Festuca arundinacea Schreber — tall fescue — 4 images
Festuca ovina L. — sheep fescue — 2 images
Festuca rubra L. — red fescue — 2 images
Fimbristylis autumnalis (L.) R. et S. — northern fimbry — 3 images
Fragaria vesca L. — strawberry — 2 images
Fragaria virginiana Duchesne — wild strawberry — 3 images
Fraxinus americana L. — white ash — 29 images
Fraxinus nigra Marshall — black ash — 17 images
Fraxinus pennsylvanica Marsh. — green ash — 19 images
Froelichia gracilis (Hooker) Moq. — slender cottonweed — 11 images
Fuirena pumila (Torrey) Sprengel — annual umbrella-sedge — 5 images
Fumaria officinalis L. — fumitory — 5 images
Gaillardia x grandiflora (G. aristata x G. pulchella) — blanket flower — 2 images
Galeopsis bifida Boenn. — cleft hempnettle — 5 images
Galinsoga parviflora Cav. — quickweed, gallant soldiers — 2 images
Galinsoga quadriradiata Ruiz et Pavon ( = ciliata (Raf.) Blake) — hairy quickweed — 7 images
Galium aparine L. — cleavers — 4 images
Galium asprellum L. — rough bedstraw — 3 images
Galium brevipes Fern. et Wiegand ( = trifidum ssp. brevipes A. et D. Love) — short-stalked bedstraw — 4 images
Galium circaezans Michaux — wild licorice — 9 images
Galium lanceolatum Torrey — wild licorice — 7 images
Galium mollugo L. — white bedstraw — 14 images
Galium odoratum (L.) Scop. ( = Asperula odorata L.) — sweet woodruff — 3 images
Galium palustre L. — common marsh bedstraw — 3 images
Galium pilosum Aiton — hairy bedstraw — 3 images
Galium tinctorium (L.) Scop. — Clayton's bedstraw — 12 images
Galium trifidum L. — three-lobed bedstraw — 2 images
Galium triflorum Michaux — woodland bedstraw — 7 images
Gaultheria hispidula (L.) Muhl. ex Bigelow ( = Chiogenes hispidula (L.) Torrey and A. Gray) — creeping snowberry — 2 images
Gaultheria procumbens L. — wintergreen, checkerberry, eastern teaberry — 16 images
Gaylussacia baccata (Wangenh.) K. Koch — black huckleberry — 15 images
Gaylussacia dumosa (Andr.) Torrey and A. Gray — bog hucklberry — 4 images
Gaylussacia frondosa (L.) Torr. et Gray ex Torr. — blue huckleberry, dangleberry — 13 images
Genista tinctoria L. — dyer's greenwed — 5 images
Gentianopsis crinita (Froel.) Y.C. Ma ( = Gentiana crinita Froel.) — fringed gentian — 5 images
Geranium maculatum L. — wild geranium — 7 images
Geranium robertianum L. — Robert geranium — 12 images
Geum canadense Jacq. — white avens — 12 images
Geum laciniatum Murray — rough avens, floodplain avens — 13 images
Glaux maritima L. — sea milkwort — 2 images
Glechoma hederacea L. — ground-ivy — 7 images
Glyceria canadensis (Michaux) Trin. — rattlesnake grass — 2 images
Glyceria obtusa (Muhl.) Trin. — coastal mannagrass — 9 images
Glyceria striata (Lam.) A. S. Hitche — fowlmeadow grass — 2 images
Gnaphalium obtusifolium L. ( = Pseudognaphalium obtusifolium (l.) Hillard et Burtt) — sweet everlasting — 9 images
Gnaphalium uliginosum L. — low cudweed — 5 images
Goodyera pubescens (Willd.) R. Br. — downy rattlesnake-plantain — 12 images
Goodyera tesselata Lodd. — checkered rattlesnake-plantain — 18 images
Gratiola aurea Pursh — golden hedge-hyssop — 7 images
Halesia carolina L. — Carolina silverbell — 5 images
Hamamelis virginiana L. — witch-hazel — 22 images
Hedera helix L. — English ivy — 6 images
Helenium flexuosum Raf. ( = nudiflorum Nutt.) — purple-head sneezeweed — 6 images
Helianthemum bicknellii Fernald ( = Crocanthemum bicknellii (Fern.) Barnh.) — hoary rockrose — 14 images
Helianthemum canadense (L.) Michx. ( = Crocanthemum canadense (L.) Britton) — longbranch frostweed — 11 images
Helianthus annuus L. — common sunflower, mirasol — 3 images
Helianthus divaricatus L. — woodland sunflower — 15 images
Hemerocallis fulva (L.) L. — orange day-lily — 6 images
Hepatica nobilis var. acuta (Pursh) Steyermark ( = acutiloba DC.) — sharp-lobed liverleaf — 2 images
Hepatica nobilis var. obtusa (Pursh) Steyermark ( = americana (DC.) Ker-Gawler) — blunt-lobed liverleaf — 17 images
Heracleum maximum Bartram ( = lanatum Michaux) — cow parsnip — 20 images
Hesperis matronalis L. — dame's rocket — 10 images
Hibiscus moscheutos L. ( = palustris L.) — swamp mallow — 8 images
Hieracium aurantiacum L. — orange hawkweed — 2 images
Hieracium gronovii L. — Gronovius' hawkweed — 14 images
Hieracium paniculatum L. — woodland hawkweed — 15 images
Hieracium pilosella L. — mouse-ear hawkweed — 3 images
Hieracium pratense Tausch ( = H. caespitosum Dumort.) — king-devil, meadow hawkweed — 6 images
Hieracium sabaudum L. ( = canadense hort. Goett ex Froel.) — Savoy hawkweed, Canada hawkweed — 6 images
Hieracium venosum L. — rattlesnake weed — 4 images
Holcus lanatus L. — velvet grass — 4 images
Holosteum umbellatum L. — jagged chickweed — 4 images
Honckenya peploides ssp. robusta (Fern.) Hulten — seabeach sandwort — 9 images
Hordeum leporinum Link ( = murinum ssp. leporinum ) — wild barley — 7 images
Hottonia inflata Ell. — featherfoil — 7 images
Houstonia caerulea L. ( = Hedeyotis caerulea (L.) Hooker) — bluets — 13 images
Hudsonia ericoides L. — pinebarren golden heather — 13 images
Hudsonia tomentosa — woolly beachheather — 8 images
Humulus lupulus L. — common hop — 4 images
Huperzia lucidula (Michaux) Trev. — shining clubmoss — 7 images
Hydrocotyle americana L. — swamp pennywort, woodland pennywort — 11 images
Hydrocotyle umbellata L. — pondshore pennywort — 4 images
Hypericum boreale f. callitrichoides Fassett — northern dwarf St. John's-wort submersed form — 5 images
Hypericum canadense L. — Canadian St. Johnswort — 4 images
Hypericum ellipticum Hooker — pale St. John's-wort — 8 images
Hypericum gentianoides (L.) B.S.P. — orangegrass — 13 images
Hypericum mutilum L. — dwarf St. Johnswort — 4 images
Hypericum perforatum L. — common St. Johnswort — 4 images
Hypericum punctatum Lam. — spotted St. John's-wort — 11 images
Hypochaeris radicata L. — hairy cat's-ear — 16 images
Hypoxis hirsuta (L.) Cov. — yellow star-grass — 5 images
Hyssopus officinalis L. — hyssop — 2 images
Hystrix patula Moench ( = Elymus hystrix L.) — bottlebrush grass — 8 images
Ilex glabra (L.) Gray — inkberry — 10 images
Ilex opaca Ait. — American holly — 17 images
Ilex verticillata (L.) Gray — common winterberry — 16 images
Impatiens capensis Meerb. — jewelweed — 7 images
Iris pseudacorus L. — yellow iris — 9 images
Iris versicolor L. — northern blueflag — 13 images
Isotria verticillata (Willd.) Raf. — large whorled pogonia — 9 images
Iva frutescens ssp. oraria (Bartlett) R.C. Jackson — hightide bush, saltmarsh-elder — 18 images
Jasione montana L. — sheep's bit — 9 images
Juglans cinerea L. — butternut — 10 images
Juglans nigra L. — black walnut — 9 images
Juncus articulatus L. — jointed rush — 3 images
Juncus bufonius L. — toad rush — 5 images
Juncus canadensis Gay ex LaHarpe — marsh or Canada rush — 12 images
Juncus effusus L. — common rush — 7 images
Juncus gerardii Loisel — saltmarsh rush — 7 images
Juncus greenei Oakes et Tuckerman — Greene's rush — 4 images
Juncus marginatus Rostk. — grass-leaf rush — 2 images
Juncus pelocarpus E. Meyer — pondshore rush — 7 images
Juncus tenuis Willd. — path rush, yard rush — 3 images
Juniperus communis var. depressa Pursh — common juniper, pasture juniper — 11 images
Juniperus conferta Parl. — shore juniper — 9 images
Juniperus horizontalis Moensch — prostrate or creeping juniper — 4 images
Juniperus virginiana L. — eastern red cedar — 31 images
Kalmia angustifolia L. — sheep laurel — 17 images
Kalmia latifolia L. — mountain laurel — 23 images
Kalmia polifolia Wangenh. — bog laurel — 2 images
Kalopanax septemlobus Koidzumi ( = K. pictus (Thunb.) Nakai) — castor aralia — 11 images
Kochia scoparia (L.) Schrader — summer-cypress — 11 images
Krigia virginica (L.) Willd. — dwarf dandelion — 13 images
Lactuca biennis (Moench) Fern. — wild blue lettuce — 5 images
Lactuca canadensis L. — yellow wild lettuce — 12 images
Lactuca serriola L. — prickly lettuce — 14 images
Lamium amplexicaule L. — henbit — 1 image
Lamium purpureum L. — purple deadnettle — 4 images
Lapsana communis L. — nipplewort — 10 images
Larix decidua P. Miller — European larch — 9 images
Larix laricina (DuRoi) K. Koch — tamarack, American larch — 14 images
Larix sp. — 3 images
Lathyrus japonicus var. maritimus (L.) Kartesz et Gandhi — beach pea — 9 images
Lathyrus latifolius L. — perennial pea — 2 images
Lathyrus sylvestris L. — flat pea — 2 images
Lechea intermedia Leggett ex Britt. — largepod pinweed — 8 images
Lechea maritima Leggett ex B.S.P. — beach pinweed — 37 images
Lechea minor L. — thyme-leaf pinweed — 9 images
Lechea mucronata Raf. ( = villosa Ell.) — hairy pinweed — 25 images
Lechea pulchella var. pulchella Raf. ( = leggettii Britton et Hollick) — Leggett's pinweed — 3 images
Lechea tenuifolia Michaux — slender pinweed — 17 images
Lemna minor L. — duckweed — 2 images
Lemna valdiviana Phil. — American duckweed — 2 images
Leontodon autumnalis L. — fall dandelion — 3 images
Leonurus cardiaca L. — motherwort — 4 images
Lepidium campestre (L.) Aiton f. — field-cress, cow-cress — 7 images
Lepidium densiflorum Schrader — common pepperweed — 1 image
Lepidium latifolium L. — broad-leaved peppergrass — 8 images
Lepidium ruderale L. — narrow-leaved peppergrass — 2 images
Lepidium virginicum L. — Virginia pepperweed — 12 images
Lespedeza angustifolia (Pursh) Ell. — narrow-leaved bush-clover — 5 images
Lespedeza capitata Michx. — round-headed bush-clover — 10 images
Lespedeza hirta (L.) Hornem. — hairy bush-clover — 4 images
Lespedeza intermedia (S. Wats.) Britt. — intermediate bush-clover — 9 images
Lespedeza thunbergii ssp. formosa (Nakai) H. Ohashi — tall bushclover — 23 images
Lespedeza violacea (L.) Pers. — violet bush-clover — 4 images
Lespedeza virginica (L.) Britton — slender bush-clover — 8 images
Leucanthemum vulgare Lam. — oxeye daisy — 3 images
Leucothoe fontanesiana (Steudel) Sleumer — dog-hobble, drooping fetterbush — 5 images
Leucothoe racemosa (L.) Gray — swamp fetterbush — 16 images
Liatris scariosa var. novae-angliae Lunell — New England blazing-star — 15 images
Ligusticum scothicum L. — scotch, sea-lovage — 4 images
Ligustrum obtusifolium Sieb. et Zucc. — Japanese privet, ibota privet — 14 images
Ligustrum ovalifolium Hassk. — California privet — 2 images
Lilium canadense L. — Canada lily, wild yellow lily — 17 images
Lilium lancifolium Thunb. ( = tigrinum Ker.) — tiger lily — 3 images
Lilium philadelphicum L. — wood lily — 24 images
Lilium superbum L. — Turk's cap lily — 3 images
Limonium carolinianum (Walt.) Britt. — sea-lavender — 19 images
Linaria vulgaris P. Miller — butter-and-eggs — 3 images
Lindera benzoin (L.) Blume — spicebush — 20 images
Lindernia dubia (L.) Pennell — false pimpernel — 3 images
Linum usitatissimum L. — common flax — 9 images
Linum virginianum L. — Virginia yellow flax — 5 images
Liriodendron tulipifera L. — tuliptree — 13 images
Lobelia cardinalis L. — cardinalflower — 18 images
Lobelia dortmanna L. — water lobelia — 5 images
Lobelia inflata L. — Indian tobacco — 12 images
Lobelia siphilitica L. — great blue lobelia — 2 images
Lolium multiflorum Lam. — Italian ryegrass — 6 images
Lonicera japonica Thunb. — Japanese honeysuckle — 15 images
Lonicera maackii (Rupr.) Maxim. — Amur honeysuckle — 8 images
Lonicera morrowii A. Gray — Morrow's honeysuckle — 8 images
Lonicera sempervirens L. — trumpet honeysuckle — 8 images
Lonicera x bella Zabel ( = morrowii x tatarica ) — whitebell honeysuckle — 8 images
Lotus corniculatus L. — birdfoot-trefoil — 3 images
Ludwigia palustris (L.) Ell. — water-purslane, mud-loosestrife — 11 images
Ludwigia sphaerocarpa Elliott — round-fruited seedbox — 7 images
Lunaria annua L. — annual honesty — 11 images
Lupinus perennis L. — wild lupine — 11 images
Lupinus polyphyllus Lindley — garden lupine, Washington lupine — 5 images
Luzula multiflora (Retz.) Lej. — common wood-rush — 6 images
Lychnis chalcedonica L. — scarlet lychnis, Maltese cross — 11 images
Lychnis flos-cuculi L. — ragged robin — 5 images
Lycopodiella inundata (L.) Holub — northern bog clubmoss — 6 images
Lycopodium annotinum L. — stiff clubmoss — 1 image
Lycopodium clavatum L. — running clubmoss, common clubmoss — 7 images
Lycopodium hickeyi W.L. Wagner, Beitel et Moran — Hickey's clubmoss — 4 images
Lycopodium obscurum L. — princess-pine or tree clubmoss — 15 images
Lycopus americanus Muhl. ex W. Barton — American water-horehound — 10 images
Lycopus uniflorus Michaux — tuberous water-horehound — 18 images
Lycopus virginicus L. — Virginia water-horehound, floodplain water-horehound — 5 images
Lyonia ligustrina (L.) DC. — maleberry — 30 images
Lysimachia ciliata L. — fringed loosestrife — 3 images
Lysimachia hybrida Michaux — narrow-leaved loosestrife — 2 images
Lysimachia nummularia L. — creeping jenny, moneywort — 3 images
Lysimachia quadrifolia L. — whorled loosestrife — 7 images
Lysimachia terrestris (L.) B.S.P. — swamp candles — 8 images
Lysimachia thyrsiflora L. — tufted loosestrife — 8 images
Lythrum salicaria L. — purple loosestrife — 11 images
Lythrum virgatum L. — wand-loosestrife — 5 images
Magnolia virginiana L. — sweetbay magnolia — 6 images
Maianthemum canadense Desf. — Canada mayflower — 9 images
Malus baccata (L.) Borkh. — Siberian crabapple — 7 images
Malus floribunda Sieb. ex Van Houtte — Japanese flowering crabapple — 3 images
Malus pumila P. Miller — apple — 1 image
Malus sp. — 2 images
Malva moschata L. — musk mallow — 2 images
Malva neglecta Wallr. — cheeses — 2 images
Marsilea quadrifolia L. — water-clover — 7 images
Matricaria discoidea DC. ( = matricarioides auct. ) — pineapple weed — 1 image
Matteuccia struthiopteris (L.) Todaro — ostrich fern — 9 images
Medeola virginiana L. — Indian cucumber-root — 15 images
Medicago lupulina L. — black medick — 3 images
Medicago sativa L. — lucerne, blue alfalfa — 3 images
Melampyrum lineare Desr. — cow-wheat — 3 images
Melampyrum lineare var. pectinatum (Pennell) Fern. — pine-barrens cow-wheat or comb-leaf cow-wheat — 1 image
Melilotus albus Medicus — white sweet-clover — 3 images
Mentha sp. — 4 images
Mentha x piperita L. — peppermint — 4 images
Menyanthes trifoliata L. — bogbeans — 7 images
Mikania scandens (L.) Willd. — climbing hempweed — 12 images
Mimulus ringens L. — long-stalked monkey-flower — 8 images
Mirabilis nyctaginea (Michaux) MacMillan — four-o'clock — 7 images
Mitchella repens L. — partridgeberry — 12 images
Mitella diphylla L. — twoleaf miterwort, coolwort — 1 image
Moehringia lateriflora (L.) Fenzl ( = Arenaria lateriflora L.) — grove sandwort — 4 images
Mollugo verticillata L. — carpetweed — 2 images
Monotropa hypopitys L. ( = Hypopitys monotropa Crantz) — pine-sap, false beech-drops — 18 images
Monotropa uniflora L. — Indian pipe — 7 images
Morus alba L. — white mulberry — 6 images
Muhlenbergia sobolifera (Muhl. ex Willd.) Trin. — awnless woodland-muhly — 1 image
Muhlenbergia uniflora (Muhl.) Fern. — pondshore muhly — 5 images
Myosotis laxa Lehm. — bay forget-me-not — 5 images
Myrica gale L. — sweet gale — 12 images
Myrica pensylvanica Loisel. — bayberry, wax-myrtle — 15 images
Myriophyllum heterophyllum Michaux — variable watermilfoil — 7 images
Myriophyllum humile (Raf.) Morong — lowly water-milfoil — 9 images
Nemopanthus mucronatus (L.) Loes. ( = Ilex mucronata (L.) M. Powell, Savol. et S. Andrews) — catberry — 31 images
Nepeta cataria L. — catnip — 1 image
Nuphar variegata Durand ex Clinton — yellow water-lily — 10 images
Nuttallanthus canadensis (L.) D.A. Sutton ( = Linaria canadensis (L.) Chaz.) — blue toadflax, old-field toadflax — 16 images
Nymphaea odorata Ait. — American white waterlily, fragrant waterlily — 6 images
Nymphoides cordata (Ell.) Fern. — floating heart — 7 images
Nyssa sylvatica Marshall — tupelo, black gum — 42 images
Oenothera biennis L. — common evening-primrose — 16 images
Onoclea sensibilis L. — sensitive fern — 18 images
Ornithogalum umbellatum L. — star-of-Bethlehem — 2 images
Oryzopsis pungens (Torrey ex Sprengel) A. S. Hitchc. — little ricegrass — 2 images
Osmunda cinnamomea L. — cinnamon fern — 18 images
Osmunda claytoniana L. — interrupted fern — 14 images
Osmunda regalis L. — royal fern — 14 images
Ostrya virginiana (P. Mill.) K. Koch — eastern hop-hornbeam — 17 images
Oxalis corniculata L. ( = repens Thunberg) — creeping sorrel — 9 images
Oxalis stricta L. ( = europaea Jordan) — common yellow wood-sorrel — 9 images
Pachysandra terminalis Sieb. et Zucc. — Japanese spurge — 4 images
Panax trifolius L. — dwarf ginseng — 6 images
Panicum capillare L. — witch-grass — 6 images
Panicum dichotomiflorum Michaux — fall panic-grass — 11 images
Panicum rigidulum Bosc ex Nees — flat-stemmed panic-grass — 6 images
Panicum virgatum L. — switchgrass — 4 images
Parthenocissus quinquefolia (L.) Planchon — Virginia creeper — 17 images
Parthenocissus tricuspidata (Zieb. et Zucc.) Planchon — Boston ivy — 7 images
Pastinaca sativa L. — wild parsnip — 7 images
Pedicularis canadensis L. — wood-betony, Canadian lousewort, common lousewort — 3 images
Peltandra virginica (L.) Schott — arrow-arum — 12 images
Penthorum sedoides L. — Ditch Stonecrop — 6 images
Petasites hybridus (L.) Gaertner, B. Meyer et Scherb. — Butterbur — 1 image
Phalaris arundinacea L. — reed canarygrass — 6 images
Phegopteris connectilis (Michaux) Watt ( = Thelypteris phegopteris (L.) Slosson) — narrow beech fern — 11 images
Phegopteris hexagonoptera (Michaux) Fée — broad beech fern — 5 images
Phellodendron amurense Rupr. — Amur corktree — 19 images
Phellodendron chinense Schneider — Chinese corktree — 2 images
Phellodendron sachalinense (Fr. Schmidt) Sarg. — Sakhalin corktree — 8 images
Phleum pratense L. — timothy — 8 images
Phragmites australis (Cav.) Trin. ex Steudel — common reed — 19 images
Phragmites australis ssp. americanus Saltonstall, P.M. Peterson et Soreng — 16 images
Phragmites sp. ( = australis, or americanus, or hybrid ) — 9 images
Physalis alkekengi L. — Chinese lantern plant — 5 images
Phytolacca americana L. — pokeweed — 9 images
Picea abies (L.) Karst. — Norway spruce — 20 images
Picea mariana (P. Miller) B.S.P. — black spruce — 16 images
Picea rubens Sarg — red spruce — 9 images
Pieris japonica (Thunb.) D. Don — Japanese andromeda — 5 images
Pilea pumila (L.) A. Gray — clearweed, richweed — 12 images
Pinus banksiana Lamb. — Jack pine — 8 images
Pinus resinosa Ait. — red pine — 15 images
Pinus rigida P. Mill. — pitch pine — 42 images
Pinus strobus L. — white pine, Weymouth pine — 41 images
Pinus sylvestris L. — Scotch pine — 10 images
Pinus thunbergii Parl. ( = thunbergiana Franco) — Japanese black pine — 6 images
Piptochaetium avenaceum (L.) Parodi ( = Stipa avenacea L.) — black oatgrass — 11 images
Pityopsis falcata (Pursh) Nutt. ( = Chrysopsis falcata (Pursh) Ell.) — sickle-leaved golden aster — 20 images
Plantago aristata Michaux — bracted plantain — 11 images
Plantago lanceolata L. — narrow-leaved plantain, English plantain — 4 images
Plantago major L. — common plantain, white man's foot — 5 images
Plantago maritima var. juncoides (Lam.)A.Gray — seaside plantain — 11 images
Platanthera blephariglottis (Willd.) Lindley ( = Habenaria blephariglottis (Willd.) Hooker) — white fringed orchid — 12 images
Platanthera clavellata (Michaux) Luer ( = Habenaria clavellata (Michaux) Sprengel) — green woodland orchis — 11 images
Platanthera grandiflora (Bigelow) Lindley ( = Habenaria fimbriata (Aiton) R. Br.) — large purple fringed orchis — 7 images
Platanus occidentalis L. — sycamore — 21 images
Pluchea odorata var. succulenta (Fern.) Cronq. — saltmarsh fleabane — 2 images
Poa bulbosa L. — bulbous bluegrass — 4 images
Poa compressa L. — flat-stemed bluegrass, Canada bluegrass — 8 images
Pogonia ophioglossoides (L.) Ker-Gawler — rose pogonia — 9 images
Polygala cruciata L. — cross-leaved milkwort — 11 images
Polygala nuttallii Torrey et A. Gray — Nuttall's milkwort — 9 images
Polygala paucifolia Willd. — fringed polygala, flowering wintergreen — 5 images
Polygala polygama Walter — racemed milkwort, bitter mlkwort — 8 images
Polygala sanguinea L. — purple milkwort, common milkwort — 5 images
Polygala verticillata L. — whorled milkwort — 9 images
Polygonatum biflorum (Walter) Ell. — giant Solomon seal — 4 images
Polygonatum pubescens (Willd.) Pursh — Solomon's seal — 14 images
Polygonella articulata (L.) Meisner — jointweed — 21 images
Polygonum amphibium var. emersum Michaux. ( = P. coccineum Muhl., Persicaria amphibia (L.) Gray) — erect water smartweed — 7 images
Polygonum arifolium L. — halberdleaf tearthumb — 8 images
Polygonum aviculare L. ( = arenastrum Jordan ex Boreau) — doorweed — 11 images
Polygonum cespitosum var. longisetum (deBruyn) A.N. Steward — Chinese smartweed — 15 images
Polygonum convolvulus L. — false buckwheat, black bindweed — 1 image
Polygonum cristatum Engelm. et A. Gray — winged bindweed — 8 images
Polygonum cuspidatum Sieb. et Zucc. ( = Fallopia japonica (Houtt.) L.P. Ronse Decraene) — Japanese knotweed — 15 images
Polygonum cuspidatum var. compactum (Hook. f.) L.H. Bailey ( = compactum J. D. Hooker) — dwarf Japanese knotweed — 5 images
Polygonum glaucum Nutt. — seaside knotweed — 8 images
Polygonum hydropiperoides Michaux — false water-pepper — 10 images
Polygonum lapathifolium L. ( = Persicaria lapathifolia ) — nodding smartweed — 2 images
Polygonum pensylvanicum L. ( = Persicaria pensylvanica ) — pinkweed — 11 images
Polygonum perfoliatum L. — mile-a-minute — 22 images
Polygonum persicaria L. — lady's thumb — 13 images
Polygonum punctatum Ell. — dotted smartweed — 13 images
Polygonum robustius (Small) Fern. ( = punctatum var. majus (Meisner) Fassett) — big water-smartweed, coarse smartweed — 7 images
Polygonum sagittatum L. — arrow-leaf tearthumb — 13 images
Polygonum scandens L. — climbing false buckwheat — 8 images
Polygonum tenue Michaux — rock knotweed — 10 images
Polygonum virginianum ( = Tovara virginiana (L.) Raf.) — jumpseed — 7 images
Polygonum x bohemicum ( = P. cuspidatum x P. sachalinense ) — Bohemian knotweed — 8 images
Polypodium appalachianum Haufler et Windham — Appalachian polypody — 3 images
Polypodium virginianum L. — rockcap fern or common polypody — 11 images
Polystichum acrostichoides (Michaux) Schott — Christmas fern — 14 images
Pontederia cordata L. — pickerel-weed — 9 images
Populus alba L. — white poplar — 7 images
Populus deltoides Bartram ex Marsh. — eastern cottonwood — 11 images
Populus grandidentata Michaux — bigtooth aspen — 17 images
Populus heterophylla L. — swamp cottonwood — 4 images
Populus nigra L. — Lombardy poplar, black poplar — 4 images
Populus tremuloides Michaux — trembling aspen — 20 images
Populus x jackii Sarg. ( = balsamifera x deltoides ) — balm-of-Gilead — 1 image
Portulaca oleracea L. — common purslane — 3 images
Potamogeton amplifolius Tuckerman — big-leaved pondweed — 3 images
Potamogeton epihydrus Raf. — surface pondweed, ribbon-leaf pondweed — 9 images
Potamogeton natans L. — floating pondweed — 2 images
Potamogeton nodosus Poiret — long-leaved pondweed — 1 image
Potamogeton robbinsii Oakes — Robbins' pondweed — 3 images
Potentilla argentea L. — silver cinquefoil — 5 images
Potentilla arguta Pursh — tall cinquefoil, glandular cinquefoil — 6 images
Potentilla canadensis L. — dwarf cinquefoil — 6 images
Potentilla egedii ssp. groenlandica (Tratt.) A. Loeve ( = anserina var. groenlandica Tratt.) — saltmarsh silverweed — 3 images
Potentilla norvegica L. — three-finger, strawberry weed — 7 images
Potentilla recta L. — sulphur cinquefoil — 9 images
Potentilla simplex Michaux — common cinquefoil — 3 images
Prenanthes altissima L. — tall rattlesnake-root — 9 images
Prenanthes trifoliolata (Cass.) Fern. — tall rattlesnake-root — 12 images
Proserpinaca palustris L. — mermaid-weed — 14 images
Proserpinaca pectinata Lam. — cut-leaved mermaid-weed — 3 images
Prunella vulgaris ssp. lanceolata (W. Barton) Hulten — American heal-all — 1 image
Prunella vulgaris ssp. vulgaris L. — Eurasian heal-all — 5 images
Prunus avium (L.) L. — sweet cherry — 7 images
Prunus depressa Pursh — sand cherry — 4 images
Prunus maritima Marsh. — beach plum — 25 images
Prunus pensylvanica L. f. — pin cherry, fire cherry, bird cherry — 15 images
Prunus persica (L.) Batsch — peach — 11 images
Prunus pumila var. susquehanae (Willd.) Jaeger — sand cherry — 13 images
Prunus serotina Ehrh. — black cherry — 34 images
Prunus virginiana L. — chokecherry — 18 images
Pseudotsuga menziesii E. Murray — Douglas fir — 16 images
Ptelea trifoliata L. — common hoptree, stinking ash — 3 images
Pteridium aquilinum (L.) Kuhn — bracken fern — 9 images
Puccinellia maritima (Hudson) Parl. — seaside alkali-grass — 2 images
Pueraria montana var. lobata (Willd.) Maesen et S. Almeida — kudzu — 12 images
Pycnanthemum incanum (L.) Michx. — hoary mountain-mint — 4 images
Pycnanthemum muticum (Michaux) Pers. — short-toothed mountain mint — 10 images
Pycnanthemum tenuifolium Schrader — slender-leaved mountain mint — 12 images
Pyrola americana Sweet ( = rotundifolia var. americana (Sweet) Fern.) — round-leaved shinleaf, glossy shinleaf — 20 images
Pyrola chlorantha Sw. ( = virens Schreb.) — green-flowered shinleaf — 4 images
Pyrola elliptica Nutt. — elliptic shinleaf — 9 images
Pyrola sp. — 5 images
Pyrus communis L. — pear — 2 images
Quercus alba L. — white oak — 29 images
Quercus bicolor Willd. — swamp white oak — 39 images
Quercus coccinea Muenchh. — scarlet oak — 20 images
Quercus ilicifolia Wangenh. — scrub oak, bear oak — 39 images
Quercus muehlenbergii Englem. — yellow oak, chinquapin oak — 1 image
Quercus palustris Muenchh. — pin oak — 9 images
Quercus prinoides Willd. — dwarf chestnut oak — 34 images
Quercus prinus L. — chestnut oak — 21 images
Quercus robur L. — English oak — 8 images
Quercus rubra L. — northern red oak — 33 images
Quercus sp. — 3 images
Quercus stellata Wangenh. — post oak — 7 images
Quercus velutina Lam. — black oak — 23 images
Quercus x saulii C. Schneider — Saul's oak — 14 images
Ranunculus abortivus L. — kidney-leaved buttercup, small-flowered crowfoot — 5 images
Ranunculus acris L. — tall buttercup — 4 images
Ranunculus allegheniensis Britton — Allegheny buttercup — 5 images
Ranunculus bulbosus L. — crowfoot, bulbous buttercup — 5 images
Ranunculus ficaria L. ( = Ficaria verna (L.) Huds.) — lesser celandine, pilewort — 5 images
Ranunculus flabellaris Raf. — yellow water crowfoot — 4 images
Ranunculus recurvatus Poiret — hooked crowfoot — 19 images
Ranunculus repens L. — creeping buttercup — 10 images
Raphanus raphanistrum L. — wild radish — 7 images
Rhamnus cathartica L. — common buckthorn — 10 images
Rhamnus frangula L. ( = Frangula alnus P. Miller) — glossy buckthorn — 11 images
Rhexia virginica L. — northern meadowbeauty, wingstem meadow-pitchers — 20 images
Rhododendron canadense (L.) Torrey — rhodora — 10 images
Rhododendron maximum L. — great laurel, rosebay — 27 images
Rhododendron prinophyllum (Small) Millais ( = roseum (Loisel.) Rehder) — early azalea — 7 images
Rhododendron viscosum (L.) Torr. — swamp azalea — 14 images
Rhodotypos scandens (Thunb.) Makino — jetbead, white kerria — 8 images
Rhus copallina L. — flameleaf sumac, winged sumac — 16 images
Rhus glabra L. — smooth sumac — 9 images
Rhus typhina L. ( = R. hirta (L.) Sudworth) — staghorn sumac — 16 images
Rhus vernix L. ( = Toxicodendron vernix (L.) Kuntze) — poison sumac — 19 images
Rhynchospora alba (L.) Vahl. — white beak-rush — 6 images
Rhynchospora capitellata (Michx.) Vahl. — brown beak-rush — 10 images
Ribes americanum P. Miller — American black currant — 4 images
Ribes hirtellum Michaux — swamp gooseberry — 5 images
Ribes rubrum L. — garden red currant — 2 images
Robinia hispida L. — bristly locust — 8 images
Robinia pseudoacacia L. — black locust — 12 images
Rorippa nasturtium-aquaticum (L.) Hayek ( = Nasturtium officinale Ait. f.) — water-cress — 8 images
Rorippa palustris (L.) Besser — marsh yellowcress — 8 images
Rosa carolina L. — Carolina rose, pasture rose — 6 images
Rosa multiflora Thunb. ex Murray — multiflora rose — 9 images
Rosa nitida Willd. — shiny rose, New England rose — 7 images
Rosa palustris Marsh. — swamp rose — 20 images
Rosa rugosa Thunb. — Japanese rose, saltspray rose — 7 images
Rosa virginiana P. Miller — Virginia rose, low rose — 13 images
Rubus allegheniensis Porter — Allegheny blackberry, common blackberry — 17 images
Rubus flagellaris Willd. — northern dewberry — 9 images
Rubus hispidus L. — bristly dewberry, swamp dewberry — 19 images
Rubus idaeus ssp. strigosus (Michaux) Focke — wild red raspberry — 11 images
Rubus laciniatus Willd. — evergreen blackberry — 13 images
Rubus occidentalis L. — black raspberry — 4 images
Rubus odoratus L. — purple-flowering raspberry, thimbleberry — 10 images
Rubus pubescens Raf. — swamp dewberry, dwarf raspberry — 4 images
Rubus setosus Bigelow — bristly blackberry, bog blackberry — 5 images
Rubus sp. — 3 images
Rudbeckia hirta var. pulcherrima Farw. — black-eyed Susan — 8 images
Rumex acetosella L. — sheep sorrel, red sorrel — 11 images
Rumex crispus L. — curly dock — 10 images
Rumex obtusifolius L. — red-veined dock — 12 images
Rumex pallidus Bigelow — seabeach dock, white dock — 4 images
Rumex salicifolius Weinm. — willow-leaf dock — 4 images
Ruppia maritima L. — ditch-grass, widgeon-grass — 7 images
Sabatia kennedyana Fern. — Plymouth gentian — 21 images
Sagina procumbens L. — matted pearlwort, birdseye — 6 images
Sagittaria engelmanniana J. G. Small — acid-water arrowhead — 8 images
Sagittaria graminea Michaux — grass-leaf arrowhead — 6 images
Sagittaria latifolia Willd. — common arrowhead — 13 images
Sagittaria teres S. Watson — pondshore or terete arrowhead — 11 images
Salicornia bigelovii Torrey — dwarf glasswort — 7 images
Salicornia maritima Wolff et Jefferies ( = europaea auct. non L.) — annual glasswort — 18 images
Salicornia virginica L. — perennial glasswort — 16 images
Salix alba L. — white willow — 6 images
Salix atrocinerea Brotero ( = S. cinerea ssp. oleifolia (Smith) Macreight) — rusty willow — 44 images
Salix atrocinerea x humilis ? — 5 images
Salix babylonica hybrids ( = x sepulcralis = S. babylonica x alba ) — 6 images
Salix bebbiana Sarg. — Bebb's willow — 24 images
Salix candida Fluegge ex Willd. — hoary willow — 8 images
Salix cinerea L. — gray willow — 11 images
Salix discolor Muhl. — large pussy willow — 40 images
Salix eriocephala Michaux — heartleaf willow — 40 images
Salix euxina Belyaeva ( = fragilis auct. in part.) — 3 images
Salix humilis Marsh. — prairie willow, upland willow — 42 images
Salix nigra Marsh. — black willow — 34 images
Salix pedicellaris Pursh — bog willow — 17 images
Salix petiolaris J. E. Smith — slender willow, meadow willow — 33 images
Salix purpurea L. — basket willow — 3 images
Salix sericea Marsh. — silky willow — 16 images
Salix sp. (hybrid) — 7 images
Salix tristis Ait. ( = humilis var. microphylla (Anderss.) Fern., occidentalis Walter) — dwarf upland willow — 31 images
Salix x conifera Wangenh. ( = discolor x humilis ) — 6 images
Salix x fragilis — hybrid of brittle and white willow — 13 images
Salix x jesupii Fern. ( = lucida x alba ) — 7 images
Salix x meyeriana Rostk. ( = S. pentandra x S. euxina, S. pentandra auct. in part ) — 27 images
Salix x smithiana Willd. ( = caprea (or cinerea) x viminalis ) — 3 images
Salsola kali L. — prickly or seabeach saltwort — 6 images
Sambucus canadensis L. — common elderberry — 12 images
Sambucus racemosa ssp. pubens (Michaux) House — red-berried elderberry — 3 images
Sanguinaria canadensis L. — bloodroot — 18 images
Sanguisorba minor ssp. muricata (Spach) Nordb. — garden burnet — 4 images
Sanicula marilandica L. — black snakeroot — 3 images
Saponaria officinalis L. — bouncing bet, soapwort — 5 images
Sarracenia purpurea L. — purple pitcherplant — 15 images
Sassafras albidum (Nutt.) Nees — sassafras — 28 images
Saxifraga pensylvanica L. — swamp saxifrage — 7 images
Scheuchzeria palustris L. — pod-grass — 12 images
Schizachyrium scoparium (Michaux) Nash — little bluestem — 13 images
Scilla sibirica Haw. — Siberian squill — 5 images
Scirpus acutus Muhl. ex Bigelow — hard-stemmed bulrush — 5 images
Scirpus americanus Pers. — saltmarsh threesquare — 4 images
Scirpus atrovirens var. georgianus (Harper) Fern. ( = georgianus Harper) — black bulrush — 5 images
Scirpus cyperinus (L.) Kunth — common bulrush — 15 images
Scirpus longii Fernald — Long's bulrush — 2 images
Scirpus pendulus Muhl. — pendulous bullsedge — 2 images
Scirpus robustus Pursh — saltmarsh bulrush — 7 images
Scirpus tabernaemontani K.C. Gmelin ( = validus Vahl.) — soft-stemmed bulrush — 12 images
Scirpus verecundus Fern. — woodland bulrush — 6 images
Scleranthus annuus L. — annual knawel — 2 images
Scutellaria galericulata L. ( = epilobiifolia Hamilton) — marsh scullcap, common scullcap — 5 images
Scutellaria lateriflora L. — mad-dog skullcap, blue skullcap — 11 images
Sedum acre L. — goldmoss stonecrop — 4 images
Senecio aureus L. — golden ragwort — 11 images
Senecio obovatus Muhl. ex Willd. — broad-leaved ragwort — 7 images
Senecio vulgaris L. — common groundsel — 3 images
Sericocarpus asteroides (L.) B.S.P. ( = Aster paternus Cronq.) — toothed white-topped aster — 10 images
Sericocarpus linifolius (L.) B.S.P. ( = Aster solidagineus Michaux) — narrow-leaved white-topped aster — 11 images
Setaria faberi Herrm. ex Rosen — giant foxtail — 10 images
Setaria glauca (L.) Beauv. — yellow foxtail — 5 images
Setaria viridis (L.) Beauv. — green foxtail — 2 images
Sicyos angulatus L. — one-seeded burr cucumber — 4 images
Silene antirrhina L. — sleepy catchfly — 7 images
Silene dioica (L.) Clairv. ( = Lychnis dioica L.) — red campion — 3 images
Silene latifolia ssp. alba (P. Mill.) Greuter et Burdet ( = Lychnis alba P. Miller) — white campion or evening lychnis — 15 images
Silene vulgaris (Moench) Garcke ( = cucubalus Wibel) — bladder-campion — 4 images
Sisymbrium altissimum L. — 4 images
Sisyrinchium angustifolium P. Miller — stout blue-eyed-grass — 11 images
Sisyrinchium atlanticum Bicknell — eastern blue-eyed-grass — 2 images
Sium suave Walter — water parsnip — 10 images
Smilacina racemosa (L.) Desf. ( = Maianthemum racemosum (L.) Link) — false Solomon's seal — 9 images
Smilacina stellata (L.) Desf. ( = Maianthemum stellatum (L.) Link) — starry Solomon's seal — 4 images
Smilax glauca Walter — sawbrier, wild sarsaparilla — 15 images
Smilax herbacea L. — carrion-flower — 8 images
Smilax rotundifolia L. — catbrier, bullbrier — 17 images
Solanum carolinense L. — horse-nettle — 8 images
Solanum dulcamara L. — climbing nightshade, bittersweet nightshade — 6 images
Solanum nigrum L. — black nightshade — 4 images
Solanum ptycanthum Dun. — American black nightshade — 8 images
Solidago altissima L. ( = canadensis var. scabra Torr. et Gray) — tall goldenrod — 7 images
Solidago arguta Aiton — sharp-leaved goldenrod — 3 images
Solidago bicolor L. — silverrod, white goldenrod — 12 images
Solidago caesia L. — wreath goldenrod, bluestem goldenrod — 5 images
Solidago canadensis L. — Canada goldenrod — 6 images
Solidago flexicaulis L. — zigzag goldenrod — 5 images
Solidago gigantea Aiton — smooth goldenrod, late goldenrod — 10 images
Solidago juncea Aiton — early goldenrod — 7 images
Solidago latissimifolia P. Miller — Elliott's goldenrod — 9 images
Solidago nemoralis Ait. — gray goldenrod — 7 images
Solidago odora Aiton — licorice goldenrod, sweet goldenrod — 15 images
Solidago puberula Nutt. — downy goldenrod — 11 images
Solidago rugosa P. Miller — rough-stemmed goldenrod — 9 images
Solidago rugosa ssp. aspera (Aiton) Cronq. — rough goldenrod, barrens goldenrod — 3 images
Solidago sempervirens L. — seaside goldenrod — 18 images
Solidago speciosa Nutt. — showy goldenrod — 1 image
Solidago uliginosa Nutt. — swamp goldenrod — 5 images
Solidago ulmifolia Muhl. ex Willd. — elm-leaf goldenrod — 3 images
Sonchus arvensis L. — field sow-thistle — 10 images
Sonchus asper (L.) Hill — spiny-leaved sow-thistle — 1 image
Sonchus oleraceus L. — annual sow-thistle — 5 images
Sorbus alnifolia (Siebold et Zucc.) K. Koch — alder-leaved mountain-ash — 1 image
Sorbus aucuparia L. — European mountain-ash — 5 images
Sparganium americanum Nutt. — common bur-reed — 16 images
Sparganium erectum L. ( = chlorocarpum Rydb.) — green-fruited bur-reed — 3 images
Spartina alterniflora Loisel — saltwater cordgrass — 11 images
Spartina cynosuroides (L.) Roth — big cordgrass — 5 images
Spartina patens (Aiton) Muhl. — tall salt-hay — 10 images
Spartina pectinata Link — freshwater or prairie cordgrass — 14 images
Spergula arvensis L. — spurrey — 5 images
Spergularia rubra (L.) J. et K. Presl — common sand-spurrey — 5 images
Spergularia salina J. et K. Presl ( = marina (L.) Griseb.) — saltmarsh sand-spurrey — 6 images
Spiraea alba var. latifolia (Aiton) Dippel ( = latifolia (Aiton) Borkh. ) — meadowsweet — 9 images
Spiraea japonica L. f. — Japanese spiraea — 7 images
Spiraea thunbergii Sieb. — 7 images
Spiraea tomentosa L. — steeplebush — 9 images
Spiranthes cernua (L.) L.C. Rich. — nodding ladies' tresses — 13 images
Spiranthes tuberosa Raf. — little ladies' tresses — 5 images
Spirodela polyrhiza (L.) Schleiden — greater duckweed — 3 images
Stachys palustris L. ssp. palustris — marsh hedge-nettle — 2 images
Stachys tenuifolia Willd. — smooth hedge-nettle — 2 images
Stellaria alsine Grimm — seep-wort — 2 images
Stellaria graminea L. — field stitchwort — 4 images
Stellaria media (L.) Vill. — common chickweed — 6 images
Streptopus roseus Michaux ( = lanceolatus var. roseus ) — rose wisted-stalk — 6 images
Stuckenia pectinata (L.) Boerner ( = Potamogeton pectinatus L. ) — sago false pondweed, sago pondweed — 1 image
Suaeda linearis (Ell.) Moq. — erect sea-blite — 12 images
Suaeda maritima (L.) Dumort. — saltmarsh sea-blite — 15 images
Symplocarpus foetidus (L.) Salisb. ex Nutt. — skunk-cabbage — 14 images
Symplocos paniculata (Thunb.) Miq. — Asiatic sweetleaf, sapphireberry — 2 images
Tanacetum vulgare L. — common tansy — 10 images
Taraxacum laevigatum (Willd.) DC. ( = erythrospermum Andrz. ex Besser) — red-seeded dandelion — 4 images
Taraxacum officinale G.H. Weber ex Wiggers — common dandelion — 5 images
Taxus canadensis Marsh. — Canada yew — 13 images
Taxus sp. ( = T. cuspidata, or T. baccata, or their hybrids ) — 5 images
Teesdalia nudicaulis Ait. f. — shepherd cress — 10 images
Tephrosia virginiana (L.) Pers. — goat's rue — 10 images
Teucrium canadense L. — American germander, saltmarsh germander — 9 images
Thalictrum dioicum L. — early meadow-rue — 7 images
Thalictrum pubescens Pursh ( = polygamum Muhl. ex Spreng.) — tall meadow-rue — 10 images
Thalictrum revolutum DC. — waxy-leaved meadow-rue — 10 images
Thelypteris noveboracensis (L.) Nieuwl. — New York fern — 3 images
Thelypteris palustris Schott — marsh fern — 8 images
Thelypteris simulata (Davenport) Nieuwl. — Massachusetts fern — 9 images
Thermopsis villosa (Walter) Fern. et Schubert — hairy bush-pea, Blue Ridge buckbean — 3 images
Thlaspi arvense L. — field pennycress — 6 images
Thuja occidentalis L. — arbor vitae — 8 images
Tiarella cordifolia L. — foamflower — 7 images
Tilia americana L. — basswood, American linden — 18 images
Tilia x vulgaris Hayne ( = cordata x platyphyllos ) — common lime — 2 images
Toxicodendron radicans (L.) Kuntze ( = Rhus radicans L.) — poison ivy — 27 images
Tradescantia ohiensis Raf. — smooth spiderwort — 3 images
Tradescantia virginiana L. — Virginia spiderwort — 10 images
Tragopogon pratensis L. — yellow goat's-beard — 4 images
Trapa natans L. — water chestnut; water caltrop — 4 images
Triadenum virginicum (L.) Raf. ( = Hypericum virginicum L.) — marsh St. Johnswort — 9 images
Trichostema dichotomum L. — forked bluecurls — 17 images
Trientalis borealis Raf. — American starflower — 6 images
Trifolium agrarium L. ( = aureum Pollich) — golden clover, palmate clover — 4 images
Trifolium arvense L. — rabbit-foot clover — 4 images
Trifolium hybridum L. — alsike clover — 3 images
Trifolium pratense L. — red clover — 1 image
Trifolium repens L. — white clover — 7 images
Triglochin maritimum L. — saltmarsh arrow-grass — 17 images
Trillium cernuum L. — nodding trillium — 4 images
Trillium erectum L. — red trillium, purple trillium — 9 images
Trillium undulatum WIlld. — painted trillium — 4 images
Triodanis perfoliata (L.) Nieuwl. ( = Specularia perfoliata (L.) A. DC.) — Venus' looking-glass — 2 images
Tsuga canadensis (L.) Carr. — eastern hemlock — 24 images
Tussilago farfara L. — coltsfoot — 15 images
Typha angustifolia L. — narrow-leaved cattail — 11 images
Typha latifolia L. — broad-leaved cattail — 7 images
Ulmus americana L. — American elm, white elm — 19 images
Ulmus glabra Hudson — Scotch elm — 3 images
Ulmus pumila L. — Siberian elm — 7 images
Urtica dioica ssp. dioica L. — stinging nettle — 9 images
Utricularia cornuta Michaux — horned bladderwort, naked bladderwort — 15 images
Utricularia gibba L. — humped bladderwort — 2 images
Utricularia inflata Walter — inflated bladderwort — 10 images
Utricularia intermedia Hayne — northern bladderwort, flat-leaved milfoil — 6 images
Utricularia purpurea Walt. — purple bladderwort — 12 images
Utricularia radiata Small ( = inflata var. minor Chapman) — small floating bladderwort — 16 images
Utricularia vulgaris L. — common bladderwort — 7 images
Uvularia sessilifolia L. — little merrybells — 11 images
Vaccinium angustifolium Ait. — lowbush blueberry — 11 images
Vaccinium corymbosum L. — highbush blueberry — 23 images
Vaccinium fuscatum Ait. ( = atrococcum (Gray) Heller) — black highbush blueberry — 7 images
Vaccinium macrocarpon Ait. — American cranberry, large cranberry — 19 images
Vaccinium myrtilloides Michaux — velvet-leaf blueberry — 3 images
Vaccinium pallidum Ait. ( = vacillans Kalm ex Torr.) — hillside blueberry, dryland blueberry — 13 images
Vaccinium stamineum L. — deerberry — 5 images
Veratrum viride Aiton — false hellebore — 14 images
Verbascum blattaria L. — moth mullein — 6 images
Verbascum thapsus L. — common mullein — 12 images
Verbena hastata L. — blue vervain, common vervain — 13 images
Verbena urticifolia L. — white vervain — 10 images
Veronica arvensis L. — corn speedwell — 2 images
Veronica chamaedrys L. — birdseye speedwell — 2 images
Veronica hederifolia L. — ivy-leaved speedwell — 2 images
Veronica officinalis L. — common speedwell — 8 images
Veronica peregrina L. — purslane speedwell, neckweed — 2 images
Veronica serpyllifolia L. — thyme-leaf speedwell — 1 image
Viburnum acerifolium L. — maple-leaf viburnum — 15 images
Viburnum dentatum var. lucidum Ait. ( = recognitum Fern.) — northern arrow-wood — 10 images
Viburnum dilatatum Thunb. — 14 images
Viburnum lantana L. — twistwood, wayfaring tree — 8 images
Viburnum lantanoides Michaux ( = alnifolium Marsh.) — witch-hobble — 6 images
Viburnum lentago L. — nannyberry, sweet viburnum — 18 images
Viburnum nudum var. cassinoides (L.) Torr. et Gray — wild raisin, witherod — 20 images
Viburnum opulus L. — European highbush cranberry, guelder-rose — 4 images
Vicia cracca L. — bird vetch — 12 images
Vicia hirsuta (L.) S.F. Gray — tiny vetch, hairy vetch — 3 images
Vicia sativa ssp. nigra (L.) Ehrh. — narrow-leaved vetch — 3 images
Vicia tetrasperma (L.) Schreber — four-seed vetch — 6 images
Vinca minor L. — periwinkle — 8 images
Viola blanda Willd. — sweet white violet — 3 images
Viola brittoniana Pollard — northern coastal violet, Britton's violet — 7 images
Viola canadensis L. — tall white violet — 4 images
Viola conspersa Reichenb. — American dog violet — 11 images
Viola cucullata Aiton — marsh blue violet — 7 images
Viola incognita Brainerd — large-leaved white violet — 2 images
Viola lanceolata L. — bog white violet, lance-leaf violet — 9 images
Viola macloskeyi ssp. pallens (Banks ex DC.) M.S. Baker — northern white violet — 8 images
Viola palmata var. triloba (Schwein.) Gingins ex DC. ( = triloba Schwein.) — three-lobed violet — 12 images
Viola pedata L. — birdsfoot violet — 18 images
Viola pubescens Aiton — downy yellow violet — 4 images
Viola sagittata Aiton ( = fimbriatula J.I. Smith) — arrow-leaf violet — 19 images
Viola selkirkii Pursh ex Goldie — great spurred violet — 3 images
Viola sororia Willd. ( = papilionacea Pursh) — common blue violet — 22 images
Viola x primulifolia L. — primrose-leaf violet — 7 images
Vitis aestivalis Michaux — summer grape — 6 images
Vitis labrusca L. — fox grape — 13 images
Vitis riparia Michaux — river-bank grape, frost grape — 4 images
Vulpia sp. — 4 images
Wisteria sinensis (Sims) DC. — Chinese wisteria — 4 images
Wolffia columbiana Karsten — globose water-meal — 4 images
Woodwardia areolata (L.) T. Moore — netted chain fern — 16 images
Woodwardia virginica (L.) Smith — Virginia chain fern — 8 images
Xanthium echinatum Murray ( = strumarium var. canadense (P.Miller) Torrey et Gray) — coclebur, clotbur — 9 images
Xanthium strumarium L. — European clotbur, European cocklebur — 1 image
Xyris difformis Chapman — yellow-eyed-grass — 4 images
Xyris torta Small — twisted yellow-eyed grass — 17 images
Yucca filamentosa L. — Spanish bayonet, Adam's needle — 9 images
Zanthoxylum americanum P. Miller — northern prickly ash — 10 images
Zizia aurea (L.) Koch — golden zizia — 2 images