| Alaska chickweed |
Stellaria longipes |
2 |
| alderleaf buckthorn |
Rhamnus alnifolia |
8 |
| Allegheny serviceberry |
Amelanchier laevis |
5 |
| alternateleaf dogwood |
Cornus alternifolia |
3 |
| American basswood |
Tilia americana |
3 |
| American beech |
Fagus grandifolia |
4 |
| American bittersweet |
Celastrus scandens |
3 |
| American bugleweed |
Lycopus americanus |
12 |
| American elderberry |
Sambucus canadensis |
3 |
| American elm |
Ulmus americana |
2 |
| American fly honeysuckle |
Lonicera canadensis |
4 |
| American hazelnut |
Corylus americana |
3 |
| American hornbeam |
Carpinus caroliniana |
5 |
| American mountain ash |
Sorbus americana |
4 |
| American plum |
Prunus americana |
4 |
| American speedwell |
Veronica americana |
1 |
| American spikenard |
Aralia racemosa |
1 |
| American sycamore |
Platanus occidentalis |
5 |
| Amur honeysuckle |
Lonicera maackii |
5 |
| Amur maple |
Acer ginnala |
8 |
| balsam groundsel |
Packera paupercula |
8 |
| balsam poplar |
Populus balsamifera |
2 |
| bastard toadflax |
Comandra umbellata |
4 |
| beaked hazelnut |
Corylus cornuta |
9 |
| bearberry |
Arctostaphylos uva-ursi |
2 |
| Bell's honeysuckle |
Lonicera x bella |
4 |
| bigleaf aster |
Eurybia macrophylla |
1 |
| bigleaf maple |
Acer macrophyllum |
1 |
| bigtooth aspen |
Populus grandidentata |
3 |
| birdsfoot trefoil |
Lotus corniculatus |
2 |
| bitternut hickory |
Carya cordiformis |
1 |
| bittersweet nightshade |
Solanum dulcamara |
4 |
| black ash |
Fraxinus nigra |
7 |
| black cherry |
Prunus serotina |
4 |
| black chokeberry |
Photinia melanocarpa |
7 |
| black huckleberry |
Gaylussacia baccata |
4 |
| black locust |
Robinia pseudoacacia |
3 |
| black maple |
Acer saccharum ssp. nigrum |
1 |
| black oak |
Quercus velutina |
3 |
| black walnut |
Juglans nigra |
2 |
| blackfringe knotweed |
Polygonum cilinode |
5 |
| blackgum |
Nyssa sylvatica |
1 |
| bladderwort |
Utricularia spp. |
2 |
| bloodroot |
Sanguinaria canadensis |
3 |
| blue ash |
Fraxinus quadrangulata |
6 |
| blue cohosh |
Caulophyllum thalictroides |
1 |
| blueweed |
Echium vulgare |
3 |
| bog birch |
Betula pumila |
11 |
| bog goldenrod |
Solidago uliginosa |
4 |
| bog laurel |
Kalmia polifolia |
9 |
| bog rosemary |
Andromeda polifolia var. glaucophylla |
2 |
| bog willow |
Salix pedicellaris |
4 |
| boneset |
Eupatorium perfoliatum |
8 |
| boxelder |
Acer negundo |
6 |
| bristly sarsaparilla |
Aralia hispida |
1 |
| broadleaf spring-beauty |
Claytonia caroliniana |
2 |
| brown knapweed |
Centaurea jacea |
3 |
| buckbean |
Menyanthes trifoliata |
5 |
| bulbous waterhemlock |
Cicuta bulbifera |
2 |
| bull thistle |
Cirsium vulgare |
4 |
| bunchberry |
Cornus canadensis |
3 |
| bur oak |
Quercus macrocarpa |
3 |
| bush cinquefoil |
Dasiphora fruticosa |
2 |
| bush honeysuckle |
Diervilla lonicera |
2 |
| butternut |
Juglans cinerea |
5 |
| Canada goldenrod |
Solidago canadensis var. scabra |
15 |
| Canadian anemone |
Anemone canadensis |
4 |
| Canadian gooseberry |
Ribes oxyacanthoides |
5 |
| Canadian plum |
Prunus nigra |
6 |
| Canadian summer bluet |
Houstonia canadensis |
2 |
| canker-root |
Coptis trifolia |
3 |
| Carolina poplar |
Populus x canadensis |
4 |
| Carolina puccoon |
Lithospermum caroliniense |
4 |
| catberry |
Ilex mucronata |
7 |
| cherry birch |
Betula lenta |
9 |
| chinkapin oak |
Quercus muehlenbergii |
2 |
| common chokecherry |
Prunus virginiana |
7 |
| common cowparsnip |
Heracleum maximum |
2 |
| common evening-primrose |
Oenothera biennis |
1 |
| common hackberry |
Celtis occidentalis |
1 |
| common hempnettle |
Galeopsis tetrahit |
7 |
| common milkweed |
Asclepias syriaca |
5 |
| common mullein |
Verbascum thapsus |
1 |
| common ninebark |
Physocarpus opulifolius |
4 |
| common sagewort |
Artemisia campestris |
2 |
| common snowberry |
Symphoricarpos albus |
3 |
| common snowberry |
Symphoricarpos albus var. laevigatus |
1 |
| common St. Johnswort |
Hypericum perforatum |
1 |
| common tansy |
Tanacetum vulgare |
1 |
| common winterberry |
Ilex verticillata |
4 |
| cow-wheat |
Melampyrum lineare |
4 |
| crabapple and apple |
Malus spp. |
1 |
| cranberry |
Vaccinium macrocarpon |
4 |
| creeping snowberry |
Gaultheria hispidula |
7 |
| crinkleroot |
Cardamine diphylla |
5 |
| cutleaf coneflower |
Rudbeckia laciniata |
4 |
| damesrocket |
Hesperis matronalis |
1 |
| devil's darning needles |
Clematis virginiana |
3 |
| dog-strangling vine, European swallowwort |
Cynanchum rossicum |
11 |
| dotted loosestrife |
Lysimachia punctata |
1 |
| downy arrowwood |
Viburnum rafinesqueanum |
3 |
| downy yellow violet |
Viola pubescens |
4 |
| dutchman's breeches |
Dicentra cucullaria |
4 |
| dwarf ginseng |
Panax trifolius |
3 |
| dwarf hackberry |
Celtis tenuifolia |
5 |
| dwarf honeysuckle |
Lonicera xylosteum |
2 |
| dwarf red blackberry |
Rubus pubescens var. pubescens |
4 |
| early saxifrage |
Saxifraga virginiensis |
4 |
| eastern cottonwood |
Populus deltoides ssp. deltoides |
1 |
| eastern dwarf mistletoe |
Arceuthobium pusillum |
3 |
| eastern fournerved daisy |
Tetraneuris herbacea |
11 |
| eastern poison-ivy |
Toxicodendron radicans |
10 |
| eastern redbud |
Cercis canadensis |
3 |
| European ash |
Fraxinus excelsior |
3 |
| European buckthorn |
Rhamnus cathartica |
4 |
| February daphne |
Daphne mezereum |
7 |
| fen grass of Parnassus |
Parnassia glauca |
2 |
| fireweed |
Chamerion angustifolium |
9 |
| fragrant sumac |
Rhus aromatica |
7 |
| fragrant waterlily |
Nymphaea odorata |
4 |
| Fraser's marsh St. Johnswort |
Triadenum fraseri |
1 |
| fringed loosestrife |
Lysimachia ciliata |
4 |
| garlic mustard |
Alliaria petiolata |
7 |
| gaywings |
Polygala paucifolia |
4 |
| giant hogweed |
Heracleum mantegazzianum |
7 |
| gingermint |
Mentha x gracilis |
6 |
| glossy buckthorn |
Frangula alnus |
8 |
| grape woodbine |
Parthenocissus vitacea |
10 |
| gray goldenrod |
Solidago nemoralis |
5 |
| great blue lobelia |
Lobelia siphilitica |
2 |
| green ash |
Fraxinus pennsylvanica |
6 |
| ground ivy |
Glechoma hederacea |
4 |
| hairy goldenrod |
Solidago hispida |
5 |
| hairy honeysuckle |
Lonicera hirsuta |
4 |
| hardhack |
Spiraea tomentosa |
1 |
| harebell |
Campanula rotundifolia |
3 |
| hawthorn |
Crataegus spp. |
1 |
| healall |
Prunella vulgaris |
2 |
| hedge maple |
Acer campestre |
3 |
| herb-robert |
Geranium robertianum |
7 |
| highbush cranberry |
Viburnum opulus ssp. trilobum |
7 |
| Hill's thistle |
Cirsium hillii |
9 |
| honeylocust |
Gleditsia triacanthos |
2 |
| hophornbeam |
Ostrya virginiana |
10 |
| horned bladderwort |
Utricularia cornuta |
3 |
| Indianpipe |
Monotropa uniflora |
1 |
| Japanese knotweed |
Fallopia japonica |
1 |
| Japanese pachysandra |
Pachysandra terminalis |
2 |
| jewelweed |
Impatiens capensis |
8 |
| Kalm's St. Johnswort |
Hypericum kalmianum |
2 |
| Kentucky coffeetree |
Gymnocladus dioicus |
1 |
| Kentucky yellowwood |
Cladrastis kentukea |
2 |
| Labrador-tea |
Ledum groenlandicum |
3 |
| lanceleaf tickseed |
Coreopsis lanceolata |
3 |
| large St. Johnswort |
Hypericum majus |
2 |
| leafy spurge |
Euphorbia esula |
1 |
| leatherleaf |
Chamaedaphne calyculata |
4 |
| lesser fringed gentian |
Gentianopsis virgata |
2 |
| limber honeysuckle |
Lonicera dioica |
9 |
| limestone calamint |
Clinopodium arkansanum |
2 |
| littleleaf linden |
Tilia cordata |
2 |
| liverleaf wintergreen |
Pyrola asarifolia |
1 |
| longstyle sweetroot |
Osmorhiza longistylis |
2 |
| lowbush blueberry |
Vaccinium angustifolium |
3 |
| mapleleaf viburnum |
Viburnum acerifolium |
1 |
| marsh cinquefoil |
Comarum palustre |
4 |
| marsh skullcap |
Scutellaria galericulata |
2 |
| mayapple |
Podophyllum peltatum |
3 |
| meadow salsify |
Tragopogon lamottei |
2 |
| Michaux's stitchwort |
Minuartia michauxii |
2 |
| Mistassini primrose |
Primula mistassinica |
5 |
| mossy stonecrop |
Sedum acre |
3 |
| mountain alder |
Alnus viridis ssp. crispa |
4 |
| mountain fly honeysuckle |
Lonicera villosa |
3 |
| mountain maple |
Acer spicatum |
14 |
| multiflora rose |
Rosa multiflora |
4 |
| nannyberry |
Viburnum lentago |
11 |
| narrowleaf goldenrod |
Euthamia graminifolia |
7 |
| nodding beggarticks |
Bidens cernua |
7 |
| northern catalpa |
Catalpa speciosa |
5 |
| northern red oak |
Quercus rubra |
8 |
| northern spicebush |
Lindera benzoin |
2 |
| Norway maple |
Acer platanoides |
6 |
| Ohio buckeye |
Aesculus glabra |
2 |
| old man's whiskers |
Geum triflorum |
3 |
| Ontario blazing star |
Liatris cylindracea |
7 |
| Ontario goldenrod |
Solidago simplex ssp. randii var. ontarioensis |
9 |
| ornamental jewelweed |
Impatiens glandulifera |
9 |
| oval-leaf blueberry |
Vaccinium ovalifolium |
2 |
| pale corydalis |
Capnoides sempervirens |
2 |
| paper birch |
Betula papyrifera |
5 |
| partridgeberry |
Mitchella repens |
3 |
| pasture gooseberry |
Ribes cynosbati |
3 |
| pawpaw |
Asimina triloba |
7 |
| pearly everlasting |
Anaphalis margaritacea |
1 |
| pin cherry |
Prunus pensylvanica |
5 |
| pin oak |
Quercus palustris |
1 |
| pipsissewa |
Chimaphila umbellata |
3 |
| poke milkweed |
Asclepias exaltata |
2 |
| prickly currant |
Ribes lacustre |
6 |
| purple avens |
Geum rivale |
2 |
| purple chokeberry |
Aronia x prunifolia |
1 |
| purple false foxglove |
Agalinis purpurea |
4 |
| purple loosestrife |
Lythrum salicaria |
2 |
| purple pitcherplant |
Sarracenia purpurea |
3 |
| purpleflowering raspberry |
Rubus odoratus |
1 |
| purplestem aster |
Symphyotrichum puniceum |
4 |
| quaking aspen |
Populus tremuloides |
1 |
| Queen Anne's lace, wild carrot |
Daucus carota |
3 |
| red columbine |
Aquilegia canadensis |
3 |
| red currant |
Ribes triste |
3 |
| red elderberry |
Sambucus racemosa |
5 |
| red maple |
Acer rubrum |
5 |
| redosier dogwood |
Cornus sericea |
2 |
| rock elm |
Ulmus thomasii |
2 |
| rough bedstraw |
Galium asprellum |
4 |
| rough goldenrod |
Solidago rugosa |
9 |
| round-lobe hepatica |
Anemone americana |
4 |
| roundleaf dogwood |
Cornus rugosa |
22 |
| roundleaf sundew |
Drosera rotundifolia |
1 |
| russet buffaloberry |
Shepherdia canadensis |
3 |
| sand dune thistle |
Cirsium pitcheri |
18 |
| sandcherry |
Prunus pumila |
1 |
| sassafras |
Sassafras albidum |
2 |
| scarlet Indian paintbrush |
Castilleja coccinea |
12 |
| Seneca snakeroot |
Polygala senega |
1 |
| serviceberry |
Amelanchier spp. |
4 |
| shagbark hickory |
Carya ovata |
3 |
| sharp-lobed hepatica |
Hepatica nobilis var. acuta |
3 |
| shingle oak |
Quercus imbricaria |
2 |
| sidebells wintergreen |
Orthilia secunda |
1 |
| silver maple |
Acer saccharinum |
4 |
| silverweed cinquefoil |
Argentina anserina |
8 |
| skunk currant |
Ribes glandulosum |
11 |
| slender bugleweed |
Lycopus uniflorus |
8 |
| slenderleaf sundew |
Drosera linearis |
2 |
| slippery elm |
Ulmus rubra |
11 |
| small cranberry |
Vaccinium oxycoccos |
2 |
| smooth sumac |
Rhus glabra |
3 |
| speckled alder |
Alnus incana ssp. rugosa |
6 |
| spotted knapweed |
Centaurea stoebe |
9 |
| spreading dogbane |
Apocynum androsaemifolium |
1 |
| star-flower |
Trientalis borealis |
8 |
| striped maple |
Acer pensylvanicum |
19 |
| sugar maple |
Acer saccharum |
6 |
| swamp milkweed |
Asclepias incarnata |
2 |
| swampcandle |
Lysimachia terrestris |
2 |
| sweetfern |
Comptonia peregrina |
1 |
| sweetgale |
Myrica gale |
6 |
| tall beggarticks |
Bidens vulgata |
3 |
| Tatarian honeysuckle |
Lonicera tatarica |
11 |
| three-toothed cinquefoil |
Sibbaldiopsis tridentata |
6 |
| trailing arbutus |
Epigaea repens |
3 |
| trumpetcreeper |
Campsis radicans |
4 |
| tufted loosestrife |
Lysimachia thyrsiflora |
1 |
| twinflower |
Linnaea borealis |
2 |
| uplands white goldenrod |
Solidago ptarmicoides |
6 |
| velvetleaf huckleberry |
Vaccinium myrtilloides |
3 |
| vine maple |
Acer circinatum |
1 |
| Virginia-creeper |
Parthenocissus quinquefolia |
1 |
| watershield |
Brasenia schreberi |
1 |
| wayfaringtree |
Viburnum lantana |
3 |
| western thimbleberry |
Rubus parviflorus |
9 |
| white ash |
Fraxinus americana |
4 |
| white baneberry |
Actaea pachypoda |
1 |
| white cinquefoil |
Potentilla arguta |
3 |
| White Mountain saxifrage |
Saxifraga paniculata |
18 |
| white oak |
Quercus alba |
2 |
| white sweetclover |
Melilotus albus |
1 |
| white turtlehead |
Chelone glabra |
3 |
| wild cucumber |
Echinocystis lobata |
6 |
| wild parsnip |
Pastinaca sativa |
2 |
| wild sarsaparilla |
Aralia nudicaulis |
2 |
| wintergreen |
Gaultheria procumbens |
1 |
| witch-hazel |
Hamamelis virginiana |
3 |
| withe-rod |
Viburnum nudum var. cassinoides |
7 |
| wood anemone |
Anemone quinquefolia |
4 |
| wood sorrel |
Oxalis acetosella |
2 |
| woolly beachheather |
Hudsonia tomentosa |
1 |
| wych elm |
Ulmus glabra |
8 |
| yellow archangel |
Lamium galeobdolon |
2 |
| yellow birch |
Betula alleghaniensis |
12 |
| yellow buckeye |
Aesculus flava |
2 |
| yellow marsh marigold |
Caltha palustris |
1 |
| yellow sweetclover |
Melilotus officinalis |
3 |
| yellow waterlily |
Nuphar lutea |
6 |
| yellow woodsorrel |
Oxalis stricta |
3 |
| yellow-poplar |
Liriodendron tulipifera |
7 |
