Family per Family per Native Exotic Total Woody/ Genus Common Name Origin USDA Robinson'02 Lep spp Lep spp Lep spp Herb. Caprifoliaceae Caprifoliaceae Abelia abelia alien 1 0 1 w Malvaceae Malvaceae Abelmoschus okra alien 11 0 11 h Pinaceae Pinaceae Abies fir native 113 4 117 w Malvaceae Malvaceae Abutilon indian mallow, velvet alien 4 1 5 h Fabaceae Leguminosae Acacia acacia, wattle native 10 1 11 w Euphorbiaceae Euphorbiaceae Acalypha copperleaf native 3 0 3 h Asteraceae Acanthospermum starburr native 0 0 0 h Aceraceae Aceraceae Acer maple, boxelder native 287 10 297 w Asteraceae Compositae Achillea yarrow, sneezeweed native 20 1 21 h Amaranthaceae Amaranthaceae Achyranthes chaff flower alien 0 0 0 h Calyceraceae Calyceraceae Acicarpha acicarpha alien 0 0 0 h Lamiaceae Lamiaceae Acinos basil thyme alien 0 0 0 h Asteraceae Asteraceae Acmella spotflower alien 0 0 0 h Ranunculaceae Ranunculaceae Aconitum monkshood native 3 0 3 h Acoraceae Acoraceae Acorus sweetflag native 0 0 0 h Ranunculaceae Ranunculaceae Actaea baneberry, bugbane native 4 0 4 h Pteridaceae Adiantaceae Adiantum maidenhair fern native 0 0 0 h Fumariaceae Fumariaceae Adlumia Allegheny vine native 0 0 0 w Ranunculaceae Ranunculaceae Adonis muskroot, pheasant's eye alien 0 0 0 h Adoxaceae Adoxaceae Adoxa adoxa native 0 0 0 h Poaceae Poaceae Aegilops goatgrass alien 0 0 0 h Apiaceae Umbelliferae Aegopodium goutweed alien 1 0 1 h Fabaceae Leguminosae Aeschynomene shyleaf, jointvetch native 1 0 1 h Hippocastanaceae Hippocastanaceae Aesculus horsechestnut, buckeye native 32 0 32 w Scrophulariaceae Scrophulariaceae Agalinis false foxglove, gerardia native 4 0 4 h Lamiaceae Labiatae Agastache hyssop native 2 0 2 h Asteraceae Compositae Ageratina snakeroot native 4 1 5 h Asteraceae Compositae Ageratum white weed, ageratum alien 7 0 7 h Rosaceae Rosaceae Agrimonia agrimony, churchsteeples native 1 0 1 h Poaceae Gramineae Agropyron wheat grass alien 8 0 8 h Caryophyllaceae Caryophyllaceae Agrostemma corncockle alien 0 0 0 h Poaceae Gramineae Agrostis bent grass native 4 1 5 h Simaroubaceae Simaroubaceae Ailanthus ailanthus, tree of heaven alien 4 2 6 w Poaceae Poaceae Aira hairgrass alien 0 0 0 h Lamiaceae Lamiaceae Ajuga bugle alien 0 0 0 h Fabaceae Leguminosae Albizia albizia, silktree alien 3 2 5 w Malvaceae Malvaceae Alcea hollyhock alien 19 3 22 h Rosaceae Rubiaceae Alchemilla lady's mantel alien 1 0 1 h Liliaceae Liliaceae Aletris colicroot native 0 0 0 h Alismataceae Alismataceae Alisma water plantain native 0 0 0 h Brassicaceae Brassicaceae Alliaria garlic mustard alien 0 0 0 h Liliaceae Alliaceae Allium onion native 20 1 21 h Poaceae Poaceae Alloteropsis summergrass alien 0 0 0 h Betulaceae Betulaceae Alnus alder native 248 7 255 w Poaceae Gramineae Alopecurus foxtail native 1 1 2 h Amaranthaceae Amaranthaceae Alternanthera calicoplant, joyweed native 4 0 4 h Malvaceae Malvaceae Althaea marshmallow alien 4 1 5 h Fabaceae Leguminosae Alysicarpus moneywort alien 1 0 1 h Brassicaceae Cruciferae Alyssum madwort alien 2 0 2 h Amaranthaceae Amaranthaceae Amaranthus pigweed, amaranth native 29 0 29 h Asteraceae Compositae Ambrosia ragweed native 46 2 48 h Rosaceae Rosaceae Amelanchier serviceberry, juneberry, shadbushnative 119 5 124 w Orchidaceae Orchidaceae Amerorchis roundleaf orchid native 0 0 0 h Liliaceae Liliaceae Amianthium flypoison native 0 0 0 h Lythraceae Lythraceae Ammannia redstem native 0 0 0 h Apiaceae Apiaceae Ammi toothpickweed, large bullwort alien 0 0 0 h Poaceae Poaceae Ammophila beachgrass native 0 0 0 h Fabaceae Leguminosae Amorpha false indigo, indigobush, leadplantnative 23 1 24 h Vitaceae Vitaceae Ampelopsis peppervine, ampelops native 13 0 13 w Asteraceae Compositae Amphiachyris broomweed native 1 0 1 h 1 Fabaceae Leguminosae Amphicarpaea hogpeanut native 7 0 7 h Poaceae Poaceae Amphicarpum maidencane native 0 0 0 h Boraginaceae Boraginaceae Amsinckia fiddleneck native 0 0 0 h Apocynaceae Apocynaceae Amsonia bluestar native 1 0 1 h Asteraceae Asteraceae Anacyclus whitebuttons alien 0 0 0 h Primulaceae Primulaceae Anagallis pimpernel, chaffweed native 2 0 2 h Asteraceae Compositae Anaphalis pearly everlasting native 7 0 7 h Boraginaceae Boraginaceae Anchusa bugloss alien 0 1 1 h Acanthaceae Acanthaceae Andrographis false waterwillow alien 0 0 0 h Ericaceae Ericaceae Andromeda bog rosemary native 7 0 7 w Poaceae Gramineae Andropogon bluestem, broomsedge bluestem native 11 0 11 h Primulaceae Primulaceae Androsace rockjasmine alien 0 0 0 h Ranunculaceae Ranunculaceae Anemone anemone, thimbleweed native 1 0 1 h Apiaceae Umbelliferae Anethum dill alien 1 0 1 h Apiaceae Umbelliferae Angelica angelica native 5 0 5 h Malvaceae Malvaceae Anoda anoda native 0 0 0 h Asteraceae Compositae Antennaria pussytoes native 6 0 6 h Asteraceae Compositae Anthemis chamomile alien 2 1 3 h Poaceae Poaceae Anthoxanthum vernalgrass native 0 0 0 h Apiaceae Umbelliferae Anthriscus chervil alien 1 0 1 h Fabaceae Fabaceae Anthyllis kidneyvetch alien 0 0 0 h Scrophulariaceae Scrophulariaceae Antirrhinum snapdragon alien 7 0 7 h Poaceae Poaceae Apera silkybent alien 0 0 0 h Rosaceae Rosaceae Aphanes parsley piert alien 0 0 0 h Fabaceae Leguminosae Apios groundnut native 4 0 4 h Apiaceae Umbelliferae Apium celery alien 27 3 30 h Orchidaceae Orchidaceae Aplectrum Adam and Eve native 0 0 0 h Poaceae Poaceae Apluda Mauritian grass alien 0 0 0 h Apocynaceae Apocynaceae Apocynum dogbane native 22 0 22 h Ranunculaceae Ranunculaceae Aquilegia columbine native 12 0 12 h Brassicaceae Brassicaceae Arabidopsis mouseear cress, rock cress alien 0 0 0 h Brassicaceae Cruciferae Arabis rockcress native 7 0 7 h Fabaceae Leguminosae Arachis peanut alien 9 4 13 h Araliaceae Araliaceae Aralia devil's walkingstick, spikenard, sarsaparillanative 7 1 8 h Ericaceae Ericaceae Arbutus madrone alien 11 1 12 w Viscaceae Viscaceae Arceuthobium dwarf mistletoe native 0 0 0 w Asteraceae Compositae Arctium burdock alien 26 1 27 h Ericaceae Ericaceae Arctostaphylos bearberry, kinnikinnick, manzanitanative 15 2 17 w Caryophyllaceae Caprifoliaceae Arenaria sandwort native 1 0 1 h Orchidaceae Orchidaceae Arethusa dragon's mouth native 0 0 0 h Papaveraceae Papaveraceae Argemone pricklypoppy native 1 0 1 h Rosaceae Rosaceae Argentina silverweed native 0 0 0 h Araceae Araceae Arisaema jack-in-the-pulpit, cobralily, arisaemanative 1 0 1 h Poaceae Gramineae Aristida threeawn native 1 0 1 h Aristolochiaceae Aristolochiaceae Aristolochia pipevine, snakeroot, birthwort, dutchman'snative pipe 1 0 1 h Plumbaginaceae Plumbaginaceae Armeria thrift seapink native 0 0 0 h Brassicaceae Cruciferae Armoracia horseradish alien 5 0 5 h Asteraceae Asteraceae Arnica arnica native 0 0 0 h Asteraceae Compositae Arnoglossum cacalia, Indian plaintain native 2 0 2 h Asteraceae Asteraceae Arnoseris lamb succory alien 0 0 0 h Poaceae Poaceae Arrhenatherum oatgrass alien 0 0 0 h Asteraceae Compositae Artemisia sagebrush, wormwood native 11 1 12 h Poaceae Poaceae Arthraxon carpgrass alien 0 0 0 h Rosaceae Rosaceae Aruncus bride's feathers, goatsbeard? native 2 0 2 h Poaceae Gramineae Arundinaria switchcane native 8 0 8 h Poaceae Gramineae Arundo giant reed alien 3 0 3 h Aristolochiaceae Aristolochiaceae Asarum wildginger native 0 0 0 h Asclepiadaceae Asclepiadaceae Asclepias milkweed, butterfly weed native 12 0 12 h Annonaceae Annonaceae Asimina pawpaw native 12 0 12 w Liliaceae Asparagaceae Asparagus asparagus, asparagus fern alien 31 1 32 h Boraginaceae Boraginaceae Asperugo German-madwort alien 0 0 0 h Rubiaceae Rubiaceae Asperula woodruff alien 2 0 2 h 2 Aspleniaceae Aspleniaceae Asplenium spleenwort native 0 0 0 h Asteraceae Compositae Aster aster native 105 4 109 h Saxifragaceae Saxifragaceae Astilbe false goats beard native 0 0 0 h Fabaceae Leguminosae Astragalus milkvetch native 13 2 15 h Dryopteridaceae Woodsiaceae Athyrium ladyfern native 3 0 3 h Chenopodiaceae Chenopodiaceae Atriplex saltbush native 3 2 5 h Solanaceae Solanaceae Atropa belledonna alien 8 0 8 h Scrophulariaceae Scrophulariaceae Aureolaria false foxglove native 4 0 4 h Brassicaceae Brassicaceae Aurinia basket of gold, goldentuft alien 0 0 0 h Poaceae Gramineae Avena oat alien 19 3 22 h Poaceae Poaceae Avenula downy alpine oatgrass alien 0 0 0 h Poaceae Gramineae Axonopus carpetgrass native 2 0 2 h Chenopodiaceae Chenopodiaceae Axyris Russian pigweed alien 0 0 0 h Azollaceae Azollaceae Azolla mosquitofern native 0 0 0 h Asteraceae Compositae Baccharis baccharis native 20 1 21 h Scrophulariaceae Scrophulariaceae Bacopa waterhyssop native 1 0 1 h Asteraceae Asteraceae Bahia bahia alien 0 0 0 h Lamiaceae Lamiaceae Ballota horehound alien 0 0 0 h Poaceae Gramineae Bambusa bamboo alien 1 0 1 w Fabaceae Leguminosae Baptisia indigo, wild indigo native 15 2 17 h Brassicaceae Cruciferae Barbarea yellowrocket, wintercress alien 6 0 6 h Gentianaceae Gentianaceae Bartonia screwstem native 0 0 0 h Chenopodiaceae Chenopodiaceae Bassia smotherweed alien 0 0 0 h Poaceae Poaceae Beckmannia sloughgrass native 0 0 0 h Iridaceae Iridaceae Belamcanda blackberry lily alien 1 0 1 h Asteraceae Compositae Bellis bellis, lawndaisy alien 1 0 1 h Berberidaceae Berberidaceae Berberis barberry native 11 1 12 w Rhamnaceae Rhamnaceae Berchemia supplejack native 0 0 0 w Brassicaceae Berteroa false madwort alien 0 0 0 h Apiaceae Berula waterparsnip native 0 0 0 h Chenopodiaceae Chenopodiaceae Beta beet, beetroot alien 38 6 44 h Betulaceae Betulaceae Betula birch native 400 11 411 w Asteraceae Compositae Bidens beggers ticks native 15 0 15 h Lamiaceae Blephilia pagoda- native 0 0 0 h Urticaceae Urticaceae Boehmeria false nettle native 6 0 6 h Nyctaginaceae Nyctaginaceae Boerhavia spiderling native 1 0 1 h Asteraceae Boltonia doll's daisy native 0 0 0 h Boraginaceae Borago borage alien 0 0 0 h Asteraceae Borrichia seaside tansy native 0 0 0 w Poaceae Gramineae Bothriochloa beard grass alien 3 0 3 h Ophioglossaceae Botrychium grapefern native 0 0 0 h Poaceae Gramineae Bouteloua buffalo grass, grama native 1 0 1 h Saxifragaceae Boykinia brookfoam native 0 0 0 h Poaceae Gramineae Brachiaria signal grass alien 4 0 4 h Poaceae Gramineae Brachyelytrum shorthusk, babel native 2 0 2 h Cambombaceae Brasenia brasenia native 0 0 0 h Brassicaceae Cruciferae Brassica brussel sprouts, cabbage, mustard,alien turnip, rape, 60kale, broccoli8 68 h Asteraceae Compositae Brickellia false boneset, bricklebush native 3 0 3 h Poaceae Briza quakinggrass alien 0 0 0 h Poaceae Gramineae Bromus brome native 11 1 12 h Moraceae Moraceae Broussonetia paper mulberry alien 0 1 1 w Boraginaceae Brunnera brunnera alien 0 0 0 h Polygonaceae Brunnichia buckwheat vine native 0 0 0 h Scrophulariaceae Scrophulariaceae Buchnera bluehearts native 1 0 1 h Santalaceae Buckleya buckleya native 0 0 0 h Buddlejaceae Buddlejaceae Buddleja butterfly bush alien 1 0 1 w Boraginaceae Buglossoides buglossoides alien 0 0 0 h Cyperaceae Bulbostylis hairsedge native 0 0 0 h Brassicaceae Bunias wartycabbage alien 0 0 0 h Apiaceae Bupleurum bupleurum alien 0 0 0 h Burmanniaceae Burmannia bluethread native 0 0 0 h Butomaceae Butomus butomus alien 0 0 0 h 3 Buxaceae Buxaceae Buxus boxwood alien 1 0 1 w Cabombaceae Cabombaceae Cabomba fanwort native 1 0 1 h Fabaceae Leguminosae Cajanus pigeonpea alien 2 1 3 h Brassicaceae Cruciferae Cakile searocket native 2 0 2 h Poaceae Gramineae Calamagrostis feather reed grass native 5 0 5 h Lamiaceae Labiatae Calamintha calamint alien 1 0 1 h Asteraceae Compositae Calendula marigold alien 7 0 7 h Solanaceae Calibrachoa calibrachoa native 0 0 0 h Verbenaceae Verbenaceae Callicarpa beautyberry native 1 0 1 w Malvaceae Malvaceae Callirhoe woodland poppymallow native 1 0 1 h Asteraceae Compositae Callistephus China aster alien 2 0 2 h Ericaceae Ericaceae Calluna heather alien 1 0 1 w Orchidaceae Calopogon grasspink native 0 0 0 h Ranunculaceae Caltha marsh marigold native 0 0 0 h Calycanthaceae Calycanthaceae Calycanthus sweetshrub native 2 0 2 w Orchidaceae Calypso fairy slipper native 0 0 0 h Convolvulaceae Convolvulaceae Calystegia false bindweed native 2 2 4 h Theaceae Theaceae Camellia camellia, tea alien 1 0 1 w Bignoniaceae Bignoniaceae Campsis trumpetcreeper, trumpet vine native 7 0 7 w Cannaceae Cannaceae Canna canna lily, indian shoot alien 8 1 9 h Cannabaceae Cannabaceae Cannabis marijuana, hemp alien 5 2 7 h Brassicaceae Cruciferae Capsella shepherd's purse alien 4 1 5 h Solanaceae Solanaceae Capsicum pepper, cayenne pepper native 13 3 16 h Fabaceae Leguminosae Caragana peashrub alien 9 1 10 w Brassicaceae Cruciferae Cardamine bittercress, toothwort native 6 0 6 h Brassicaceae Cardaria whitetop alien 0 0 0 h Sapindaceae Sapindaceae Cardiospermum love in a puff, heartweed, balloonvinenative 1 0 1 h Asteraceae Compositae Carduus plumeless thistle alien 9 0 9 h Cyperaceae Cyperaceae Carex sedge, burr reed native 36 0 36 h Asteraceae Carlina carline alien 0 0 0 h Asteraceae Compositae Carphephorus vanilla plant, vanillaleaf native 1 0 1 h Betulaceae Corylaceae Carpinus American hornbeam native 66 2 68 w Asteraceae Compositae Carthamus distaff thistle alien 1 0 1 h Apiaceae Umbelliferae Carum caroway alien 1 0 1 h Juglandaceae Juglandaceae Carya hickory, pecan, pignut, bitternut native 233 2 235 w Fagaceae Fagaceae Castanea chestnut native 125 2 127 w Scrophulariaceae Scrophulariaceae Castilleja Indian paintbrush native 5 0 5 h Bignoniaceae Bignoniaceae Catalpa catalpa native 7 1 8 w Poaceae Catapodium alien 0 0 0 h Apiaceae Caucalis burr parsley alien 0 0 0 h Berberidaceae Berberidaceae Caulophyllum cohosh, blue cohosh, giant cohoshnative 3 0 3 h Rhamnaceae Rhamnaceae Ceanothus New Jersey tea native 43 2 45 w Pinaceae Pinaceae Cedrus cedar alien 3 0 3 w Celastraceae Celastraceae Celastrus bittersweet native 5 2 7 w Amaranthaceae Celosia cock's comb native 0 0 0 h Ulmaceae Ulmaceae Celtis hackberry, sugar berry native 41 2 43 w Poaceae Gramineae Cenchrus sandbur native 3 0 3 h Asteraceae Compositae Centaurea cornflower, knapweed native 2 1 3 h Gentianaceae Centaurium centaury alien 0 0 0 h Apiaceae Centella centella native 0 0 0 h Asteraceae Centipeda centipeda alien 0 0 0 h Asteraceae Centromadia native 0 0 0 h Fabaceae Leguminosae Centrosema butterfly pea native 4 0 4 h Rubiaceae Rubiaceae Cephalanthus buttonbush native 19 0 19 w Caryophyllaceae Caryophyllaceae Cerastium chickweed, snow-in-summer native 6 0 6 h Ranunculaceae Ceratocephala curveseed butterwort alien 0 0 0 h Fabaceae Ceratonia ceratonia alien 0 0 0 w Ceratophyllaceae Ceratophyllum hornwort native 0 0 0 h Cercidiphyllaceae Cercidiphyllum katsura tree alien 0 0 0 w Fabaceae Leguminosae Cercis redbud, judas-tree native 19 0 19 w Asteraceae Compositae Chaenactis dustymaiden, pincushion native 7 2 9 h Rosaceae Rosaceae Chaenomeles flowering quince alien 6 2 8 w 4 Scrophulariaceae Chaenorhinum dwarf snapdragon alien 0 0 0 h Apiaceae Chaerophyllum chervil native 0 0 0 h Lamiaceae Chaiturus lion's tail alien 0 0 0 h Fabaceae Leguminosae Chamaecrista partridge pea, sensitive pea native 7 0 7 h Cupressaceae Cupressaceae Chamaecyparis Atlantic white cedar, white cedar native 8 0 8 w Ericaceae Ericaceae Chamaedaphne leatherleaf native 15 0 15 w Liliaceae Chamaelirium chamaelirium native 0 0 0 h Asteraceae Chamaemelum dogfennel alien 0 0 0 h Euphorbiaceae Chamaesyce sandmat native 0 0 0 h Onagraceae Onagraceae Chamerion fireweed native 1 0 1 h Poaceae Gramineae Chasmanthium woodoats, northern sea oats native 7 0 7 h Pteridaceae Cheilanthes lipfern native 0 0 0 h Papaveraceae Chelidonium celandine alien 0 0 0 h Scrophulariaceae Scrophulariaceae Chelone turtlehead native 3 0 3 h Chenopodiaceae Chenopodiaceae Chenopodium lambsquarters native 39 3 42 h Ericaceae Ericaceae Chimaphila pipsissewa native 2 0 2 h Oleaceae Oleaceae Chionanthus fringetree native 8 0 8 w Poaceae Gramineae Chloris windmill grass, finger grass native 2 0 2 h Asteraceae Chondrilla chondrilla alien 0 0 0 h Brassicaceae Cruciferae Chorispora crossflower alien 1 0 1 h Euphorbiaceae Chrozophora chrozophora alien 0 0 0 h Asteraceae Compositae Chrysanthemum chrysanthemum, daisy native 18 4 22 h Asteraceae Chrysogonum chrysogonum native 0 0 0 h Asteraceae Compositae Chrysopsis goldenaster native 1 0 1 h Saxifragaceae Chrysosplenium golden saxifrage native 0 0 0 h Fabaceae Leguminosae Cicer chick pea alien 0 1 1 h Asteraceae Compositae Cichorium endive, chickory alien 9 0 9 h Apiaceae Umbelliferae Cicuta water hemlock native 9 0 9 h Poaceae Cinna woodreed native 0 0 0 h Onagraceae Onagraceae Circaea enchanter's nightshade native 0 1 1 h Asteraceae Compositae Cirsium thistle native 27 2 29 h Vitaceae Vitaceae Cissus treebine, grape ivy alien 3 0 3 w Cucurbitaceae Cucurbitaceae Citrullus watermelon alien 11 1 12 h Cyperaceae Cyperaceae Cladium sawgrass native 2 0 2 h Fabaceae Cladrastis yellowwood native 0 0 0 w Onagraceae Onagraceae Clarkia clarkia native 3 0 3 h Portulacaceae Claytonia springbeauty native 0 0 0 h Orchidaceae Cleistes rosebud orchid native 0 0 0 h Ranunculaceae Ranunculaceae Clematis clematis, leather flower native 6 0 6 w Capparaceae Capparaceae Cleome spiderflower, spiderwisp, pink queennative 4 1 5 h Verbenaceae Verbenaceae Clerodendrum glory bower alien 1 0 1 w Clethraceae Clethraceae Clethra summersweet, sweetpepperbush native 9 1 10 w Lamiaceae Clinopodium clinopodium native 0 0 0 h Liliaceae Clintonia bluebead native 0 0 0 h Fabaceae Leguminosae Clitoria pigeonwings native 4 0 4 h Asteraceae Cnicus cnicus alien 0 0 0 h Euphorbiaceae Euphorbiaceae Cnidoscolus cnidoscolus native 1 0 1 h Menispermaceae Cocculus coralbead native 0 0 0 h Poaceae Coelorachis jointtail grass native 0 0 0 h Brassicaceae Coincya star-mustard alien 0 0 0 h Poaceae Coix Job's tears alien 0 0 0 h Liliaceae Colchicum colchicum alien 0 0 0 h Scrophulariaceae Scrophulariaceae Collinsia blue eyed mary native 1 1 2 h Lamiaceae Labiatae Collinsonia stoneroot, richweed native 5 0 5 h Polemoniaceae Collomia trumpet native 0 0 0 h Araceae Araceae Colocasia coco yam alien 2 0 2 h Fabaceae Leguminosae Colutea bladder senna alien 0 1 1 w Santalaceae Santalaceae Comandra bastard toadflax native 3 0 3 h Rosaceae Comarum comarum native 0 0 0 h Commelinaceae Commelinaceae Commelina dayflower native 2 0 2 h Myricaceae Myricaceae Comptonia sweet fern native 62 2 64 w Apiaceae Conioselinum hemlockparsley native 0 0 0 h 5 Apiaceae Umbelliferae Conium poison hemlock alien 2 0 2 h Asteraceae Conoclinium thoroughwort native 0 0 0 h Orobanchaceae Conopholis cancer-root native 0 0 0 h Brassicaceae Cruciferae Conringia hare's ear mustard alien 2 0 2 h Ranunculaceae Ranunculaceae Consolida knight's spur alien 1 0 1 h Liliaceae Convallariaceae Convallaria lily-of-the-valley native 1 0 1 h Convolvulaceae Convolvulaceae Convolvulus bindweed, morning glory alien 7 2 9 h Asteraceae Compositae Conyza horseweed native 10 1 11 h Ranunculaceae Coptis goldthread native 0 0 0 h Orchidaceae Corallorhiza coralroot native 0 0 0 h Tiliaceae Tiliaceae Corchorus jute, tridens corchorus alien 0 1 1 h Empetraceae Corema corema native 0 0 0 h Asteraceae Compositae Coreopsis tickseed, coreopsis native 6 0 6 h Apiaceae Coriandrum coriander alien 0 0 0 h Chenopodiaceae Corispermum bugseed native 0 0 0 h Cornaceae Cornaceae Cornus dogwood, bunchberry native 115 2 118 w Brassicaceae Coronopus swinecress alien 0 0 0 h Caryophyllaceae Corrigiola corrigiola alien 0 0 0 h Poaceae Cortaderia pampas grass alien 0 0 0 h Fumariaceae Corydalis fumewort native 0 0 0 h Betulaceae Corylaceae Corylus filbert, hazel, hazelnut native 124 7 131 w Poaceae Corynephorus clubawn grass alien 0 0 0 h Asteraceae Compositae Cosmos cosmos native 4 1 5 h Anacardiaceae Anacardiaceae Cotinus smoketree alien? 4 0 4 w Rosaceae Rosaceae Cotoneaster cotoneaster alien 2 1 3 w Crassulaceae Crassula pygmyweed native 0 0 0 h Rosaceae Rosaceae Crataegus hawthorn native 150 18 168 w Asteraceae Compositae Crepis hawksbeard alien 2 0 2 h Iridaceae Crocus crocus alien 0 0 0 h Asteraceae Compositae Croptilon scratchdaisy native 2 0 2 h Fabaceae Leguminosae Crotalaria showy rattlebox, rattleweed native 5 1 6 h Euphorbiaceae Euphorbiaceae Croton firebush, croton, prairie tea native 5 0 5 h Rubiaceae Rubiaceae Cruciata bedstraw alien 0 0 0 h Poaceae Crypsis pricklegrass alien 0 0 0 h Pteridaceae Cryptogramma rockbrake native 0 0 0 h Apiaceae Umbelliferae Cryptotaenia honewort native 2 0 2 h Poaceae Gramineae Ctenium toothachegrass native 1 0 1 h Cucurbitaceae Ctenolepis ctenolepis alien 0 0 0 h Cucurbitaceae Cucurbitaceae Cucumis gourd, cantelope, cucumber native 19 1 20 h Cucurbitaceae Cucurbitaceae Cucurbita pumpkin, gourd, squash native 14 1 15 h Fabaceae Cullen scurfpea alien 0 0 0 h Lamiaceae Cunila cunila native 0 0 0 h Lythraceae Cuphea waxweed alien 0 0 0 h Cupressaceae Cupressaceae Cupressus cypress alien 7 0 7 w Cuscutaceae Convolvulaceae Cuscuta dodder native 2 0 2 h Asteraceae Cyclachaena native 0 0 0 h Primulaceae Primulaceae Cyclamen cyclamen alien 1 0 1 h Chenopodiaceae Cycloloma cycloloma native 0 0 0 h Apiaceae Cyclospermum marsh parsley alien 0 0 0 h Rosaceae Rosaceae Cydonia quince alien 21 3 24 w Scrophulariaceae Scrophulariaceae Cymbalaria kenilworth ivy alien 1 0 1 h Asteraceae Cymophora cymophora alien 0 0 0 h Cyperaceae Cymophyllus cymophyllus native 0 0 0 h Asclepiadaceae Asclepiadaceae Cynanchum honey vine, swallowwort, sand vinenative 3 0 3 h Asteraceae Compositae Cynara cardoon, globe artichoke alien 5 0 5 h Poaceae Gramineae Cynodon burmuda grass alien 12 0 12 h Boraginaceae Boraginaceae Cynoglossum comfrey, hound's tongue native 3 1 4 h Poaceae Cynosurus dogstail grass alien 0 0 0 h Cyperaceae Cyperaceae Cyperus yellow nutgrass, nutgrass, chufa, nativeflatsedge 5 0 5 h Orchidaceae Orchidaceae Cypripedium lady's slipper native 2 0 2 h Cyrillaceae Cyrilla titi native 0 0 0 h Dryopteridaceae Dryopteridaceae Cyrtomium holly fern alien 0 0 0 h 6 Dryopteridaceae Cystopteris bladderfern native 0 0 0 h Fabaceae Leguminosae Cytisus broom, scotch broom alien 5 3 8 w Poaceae Gramineae Dactylis orchard grass alien 20 1 21 h Poaceae Gramineae Dactyloctenium Egyptian grass alien 1 0 1 h Orchidaceae Dactylorhiza keyflower native 0 0 0 h Asteraceae Compositae Dahlia dahlia alien 13 2 15 h Fabaceae Leguminosae Dalea prairie clover native 3 0 3 h Rosaceae Dalibarda dalibarda native 0 0 0 h Poaceae Gramineae Danthonia oatgrass native 1 0 1 h Thymelaeaceae Daphne daphne alien 0 0 0 h Rosaceae Rosaceae Dasiphora shrubby cinquefoil native 2 0 2 h Scrophulariaceae Scrophulariaceae Dasistoma mullein foxglove native 2 0 2 h Poaceae Dasyochloa woollygrass native 0 0 0 h Poaceae Dasypyrum mosquitograss alien 0 0 0 h Solanaceae Solanaceae Datura thorn-apple, jimsonweed, pricklyburrnative 9 1 10 h Apiaceae Umbelliferae Daucus carrot, Queen Anne's Lace native 17 1 18 h Lythraceae Lythraceae Decodon swamp loosestrife native 5 0 5 w Hydrangeaceae Decumaria decumaria native 0 0 0 h Ranunculaceae Ranunculaceae Delphinium larkspur native 10 0 10 h Dennstaedtiaceae Dennstaedtiaceae Dennstaedtia hayscented fern native 3 0 3 h Dryopteridaceae Deparia False spleenwort native 0 0 0 h Poaceae Deschampsia hairgrass native 0 0 0 h Brassicaceae Cruciferae Descurainia tansymustard, herb sophia native 3 0 3 h Fabaceae Leguminosae Desmanthus bundleflower native 1 0 1 h Fabaceae Leguminosae Desmodium begger weed, tick trefoil native 17 0 17 h Hydrangaeceae Hydrangaeceae Deutzia pride-of-Rochester alien 1 1 2 w Crassulaceae Diamorpha diamorpha native 0 0 0 h Caryophyllaceae Caryophyllaceae Dianthus pinks, carnations alien 8 2 10 h Diapensiaceae Diapensia diapensia native 0 0 0 h Poaceae Diarrhena beakgrain native 0 0 0 h Fumariaceae Papaveraceae Dicentra bleeding heart native 1 0 1 h Poaceae Gramineae Dichanthelium deertongue witchgrass, panicgrass,native rosette grass 2 0 2 h Convolvulaceae Dichondra ponysfoot native 0 0 0 h Acanthaceae Dicliptera foldwing native 0 0 0 h Rutaceae Rutaceae Dictamnus gas plant alien 2 0 2 h Lythraceae Didiplis didiplis native 0 0 0 h Caprifoliaceae Caprifoliaceae Diervilla bush homeysuckle native 4 1 5 w Amaranthaceae Digera alien 0 0 0 h Scrophulariaceae Scrophulariaceae Digitalis foxglove alien 3 0 3 h Poaceae Gramineae Digitaria crabgrass native 21 0 21 h Poaceae Dinebra viper grass alien 0 0 0 h Rubiaceae Rubiaceae Diodia buttonweed, poorjoe native 1 0 1 h Droseraceae Droseraceae Dionaea venus flytrap native 1 0 1 h Dioscoreaceae Dioscorea yam native 0 0 0 h Ebenaceae Ebenaceae Diospyros persimmon native 44 2 46 w Berberidaceae Diphylleia umbrellaleaf native 0 0 0 h Dryopteridaceae Woodsiaceae Diplazium twinsorus fern native 1 0 1 h Brassicaceae Cruciferae Diplotaxis wallrocket alien 1 0 1 h Dipsacaceae Dipsacaceae Dipsacus teasel alien 1 0 1 h Thymelaeaceae Thymelaeaceae Dirca leatherwood native 1 0 1 w Liliaceae Convallariaceae Disporum fairy bells, mandarin alien 0 1 1 h Poaceae Gramineae Distichlis saltgrass native 3 0 3 h Asteraceae Dittrichia dittrichia alien 0 0 0 h Primulaceae Dodecatheon shootingstar native 0 0 0 h Asteraceae Compositae Doellingeria whitetop native 17 0 17 h Brassicaceae Cruciferae Draba draba native 2 0 2 h Lamiaceae Dracocephalum dragonhead native 0 0 0 h Droseraceae Droseraceae Drosera sundew native 1 0 1 h Dryopteridaceae Dryopteridaceae Dryopteris wood ferns native 3 0 3 h Rosaceae Duchesnea duchesnea alien 0 0 0 h Cyperaceae Dulichium dulichium native 0 0 0 h Asteraceae Compositae Dyssodia fetid marigold native 3 0 3 h 7 Cucurbitaceae Ecballium squirting cucumber alien 0 0 0 h Asteraceae Compositae Echinacea purple coneflower native 1 0 1 h Poaceae Gramineae Echinochloa barnyardgrass, cockspur native 5 0 5 h Cucurbitaceae Cucurbitaceae Echinocystis wild cucumber native 1 0 1 h Alismataceae Echinodorus burrhead native 0 0 0 h Asteraceae Echinops globethistle alien 0 0 0 h Asteraceae Eclipta eclipta native 0 0 0 h Hydrocharitaceae Egeria egeria alien 0 0 0 h Pontederiaceae Eichhornia water hyacinth alien 0 0 0 h Eleagnaceae Eleagnaceae Elaeagnus autumn olive, Russian olive, serviceberry,alien thorny olive,8 Eleagnus1 9 w Elatinaceae Elatine waterwort native 0 0 0 h Cyperaceae Eleocharis spikerush native 0 0 0 h Asteraceae Compositae Elephantopus elephantfoot native 1 0 1 h Poaceae Gramineae Eleusine indian goosegrass alien 0 0 0 h Araliaceae Eleutherococcus ginseng alien 0 0 0 h Hydrophyllaceae Ellisia ellisia native 0 0 0 h Hydrocharitaceae Elodea waterweed native 0 0 0 h Lamiaceae Elsholtzia elsholtzia alien 0 0 0 h Poaceae Gramineae Elymus rye, wheat, bottlebrush grass native 29 2 31 h Polygonaceae Emex threecornerjack alien 0 0 0 h Empetraceae Empetrum crowberry native 0 0 0 w Ranunculaceae Enemion False rue anemone native 0 0 0 h Poaceae Enneapogon feather pappusgrass native 0 0 0 h Orobanchaceae Epifagus beechdrops native 0 0 0 h Ericaceae Ericaceae Epigaea trailing arbutus native 2 0 2 h Onagraceae Onagraceae Epilobium willowherb native 30 2 32 h Onagraceae Onagraceae Epilobium willowherb native 30 1 31 h Orichidaceae Epipactis helleborine alien 0 0 0 h Equisetaceae Equisetaceae Equisetum horsetail native 0 1 1 h Poaceae Gramineae Eragrostia- Eragrostislovegrass native 3 0 3 h Asteraceae Compositae Erechtites burnweed, fireweed native 2 0 2 h Poaceae Gramineae Eremochloa centipedegrass alien 4 0 4 w Poaceae Eremopyrum False wheatgrass alien 0 0 0 h Ericaceae Ericaceae Erica heath, heather alien 2 2 4 h Asteraceae Ericameria goldenbush native 0 0 0 h Apiaceae Erigenia erigenia native 0 0 0 h Asteraceae Compositae Erigeron fleabane native 15 0 15 h Eriocaulaceae Eriocaulon pipewort native 0 0 0 h Poaceae Gramineae Eriochloa cupgrass native 1 1 2 h Polygonaceae Polygonaceae Eriogonum buckwheat native 7 2 9 h Cyperaceae Cyperaceae Eriophorum cottongrass native 1 0 1 h Geraniaceae Geraniaceae Erodium heron's bill, erodium, stork's bill alien 3 0 3 h Brassicaceae Cruciferae Eruca* arugula, saladrocket, rocketsalad alien 1 0 1 h Brassicaceae Erucastrum dogmustard alien 0 0 0 h Apiaceae Umbelliferae Eryngium sea holly, rattlesnakemaster, eryngonative 1 0 1 h Brassicaceae Cruciferae Erysimum wallflower native 0 1 1 h Liliaceae Erythronium fawnlily native 0 0 0 h Papaveraceae Papaveraceae Eschscholzia California poppy, desert poppy native 1 1 2 h Ericaceae Eubotrys native 0 0 0 w Celastraceae Celastraceae Euonymus wahoo, burningbush, euonymus, spindletree,native burstingheart,6 5 wintercreeper,11 strawberrybushw Asteraceae Eupatoriadelphus native 0 0 0 h Asteraceae Compositae Eupatorium joe-pye weed, thoroughwort, dogfennel,native common40 boneset 1 41 h Euphorbiaceae Euphorbiaceae Euphorbia poinsettia, spurge, snow-on-the-mountainnative 7 0 7 h Scrophulariaceae Euphrasia eyebright alien 0 0 0 h Asteraceae Eurybia aster native 0 0 0 h Poaceae Gramineae Eustachys pinewoods fingergrass native 1 0 1 h Asteraceae Compositae Euthamia goldentop native 5 0 5 h Convolvulaceae Evolvulus dwarf morning-glory native 0 0 0 h Rosaceae Exochorda pearlbrush alien 0 0 0 w Asteraceae Facelis trampweed alien 0 0 0 h Polygonaceae Polygonaceae Fagopyrum buckwheat alien 8 0 8 h Fagaceae Fagaceae Fagus beech native 124 3 127 w 8 Apiaceae Falcaria falcaria alien 0 0 0 h Moraceae Fatoua fatoua alien 0 0 0 h Poaceae Gramineae Festuca fescue native 4 0 4 h Moraceae Moraceae Ficus fig alien 6 2 8 w Asteraceae Filago cottonrose alien 0 0 0 h Rosaceae Filipendula queen native 0 0 0 h Cyperaceae Fimbristylis fimbry native 0 0 0 h Sterculiaceae Firmiana parasoltree alien 0 0 0 w Asteraceae Flaveria yellowtops native 0 0 0 h Asteraceae Fleischmannia thoroughwort native 0 0 0 h Limnanthaceae Floerkea floerkea native 0 0 0 h Apiaceae Umbelliferae Foeniculum sweet fennel, fennell alien 1 0 1 h Oleaceae Oleaceae Forsythia forsythia alien 1 0 1 w Rosaceae Rosaceae Fragaria strawberry native 75 6 81 h Rhamnaceae Rhamnaceae Frangula buckthorn native 11 0 11 w Gentianaceae Gentianaceae Frasera frasera, columbo native 2 0 2 h Oleaceae Oleaceae Fraxinus ash native 141 8 149 w Amaranthaceae Amaranthaceae Froelichia cottonweed, snakecotton native 1 0 1 h Cyperaceae Fuirena umbrella-sedge native 0 0 0 h Fumariaceae Fumaria fumitory alien 0 0 0 h Asteraceae Compositae Gaillardia blanketflower native 4 1 5 h Fabaceae Leguminosae Galactia milkpea native 6 0 6 h Liliaceae Galanthus snowdrop alien 0 0 0 h Orchidaceae Galearis galearis native 0 0 0 h Fabaceae Galega professor-weed alien 0 0 0 h Lamiaceae Labiatae Galeopsis hempnettle alien 1 1 2 h Asteraceae Galinsoga gallant soldier alien 0 0 0 h Rubiaceae Rubiaceae Galium bedstraw native 18 1 19 h Asteraceae Compositae Gamochaeta everlasting native 3 0 3 h Ericaceae Ericaceae Gaultheria snowberry, teaberry native 2 0 2 w Onagraceae Gaura beeblossom native 0 0 0 h Ericaceae Ericaceae Gaylussacia huckleberry, dangleberry native 43 1 44 w Loganiaceae Gelsemium trumpetflower native 0 0 0 h Fabaceae Leguminosae Genista broom, greenweed alien 3 1 4 w Gentianaceae Gentianaceae Gentiana gentian native 1 0 1 h Gentianaceae Gentianella dwarf gentian native 0 0 0 h Gentianaceae Gentianopsis fringed gentian native 0 0 0 h Santalaceae Geocaulon False toadflax native 0 0 0 h Geraniaceae Geraniaceae Geranium geranium native 23 1 24 h Rosaceae Rosaceae Geum avens native 2 0 2 h Polemoniaceae Polemoniaceae Gilia gilia native 1 0 1 h Rosaceae Gillenia native 0 0 0 h Ginkgoaceae Ginkgoaceae Ginkgo maidenhair alien 4 1 5 w Iridaceae Iridaceae Gladiolus gladiolus alien 14 3 17 h Verbenaceae Glandularia mock vervain native 0 0 0 h Papaveraceae Glaucium hornpoppy alien 0 0 0 h Primulaceae Glaux milkwort native 0 0 0 h Asteraceae Glebionis alien 0 0 0 h Lamiaceae Labiatae Glechoma ground ivy alien 3 0 3 h Fabaceae Leguminosae Gleditsia honeylocust, gleditsia native 42 4 46 w Scrophulariaceae Glossostigma glossostigma alien 0 0 0 h Poaceae Gramineae Glyceria managrass, fowl managrass native 9 0 9 h Fabaceae Leguminosae Glycine soybean alien 32 1 33 h Fabaceae Leguminosae Glycyrrhiza licorice native 3 0 3 h Asteraceae Compositae Gnaphalium cudweed alien 5 0 5 h Amaranthaceae Amaranthaceae Gomphrena globe amaranth alien 1 0 1 h Orchidaceae Goodyera rattlesnake native 0 0 0 h Malvaceae Malvaceae Gossypium cotton native 55 4 59 h Scrophulariaceae Gratiola hedgehyssop native 0 0 0 h Tiliaceae Grewia grewia alien 0 0 0 w Asteraceae Compositae Grindelia gumweed native 2 0 2 h Amaranthaceae Guilleminea matweed native 0 0 0 h 9 Asteraceae Guizotia guizotia alien 0 0 0 h Asteraceae Compositae Gutierrezia snakeweed native 5 0 5 h Orichidaceae Gymnadenia gymnadenia alien 0 0 0 h Dryopteridaceae Gymnocarpium oakfern native 0 0 0 h Fabaceae Leguminosae Gymnocladus Kentucy coffee tree native 4 1 5 w Poaceae Gramineae Gymnopogon bearded skeletongrass native 0 0 0 h Caryophyllaceae Gypsophila baby's-breath alien 0 0 0 h Boraginaceae Hackelia stickseed native 0 0 0 h Poaceae Hackelochloa pitscale grass alien 0 0 0 h Gentianaceae Halenia spurred gentian native 0 0 0 h Styracaceae Styracaceae Halesia silverbell native 7 0 7 w Hamamelidaceae Hamamelidaceae Hamamelis witchhazel native 62 1 63 w Ericaceae Harrimanella harrimanella native 0 0 0 h Asteraceae Hasteola false Indian plaintain native 0 0 0 h Lamiaceae Labiatae Hedeoma false pennyroyal native 2 0 2 h Araliaceae Araliaceae Hedera english ivy alien 3 0 3 w Fabaceae Leguminosae Hedysarum sweetvetch alien 4 0 4 h Asteraceae Compositae Helenium sneezeweed native 5 0 5 h Cistaceae Cistaceae Helianthemum frostweed native 2 0 2 h Asteraceae Compositae Helianthus sunflower native 73 2 75 h Asteraceae Heliomeris false goldeneye native 0 0 0 h Asteraceae Compositae Heliopsis smooth oxeye native 2 0 2 h Boraginaceae Heliotropium heliotrope native 0 0 0 h Ranunculaceae Helleborus hellebore alien 0 0 0 h Liliaceae Helonias helonias native 0 0 0 h Poaceae Hemarthria jointgrass alien 0 0 0 h Liliaceae Hemerocallis daylily alien 0 0 0 h Ranunculaceae Hepatica hepatica native 0 0 0 h Apiaceae Umbelliferae Heracleum cow parsnip, giant hogweed, eltrotnative 7 1 8 h Amaranthaceae Hermbstaedtia hermbstaedtia alien 0 0 0 h Caryophyllaceae Herniaria rupturewort alien 0 0 0 h Brassicaceae Cruciferae Hesperis dame's rocket alien 1 1 2 h Poaceae Gramineae Hesperostipa needle and thread, porcupinegrassnative 1 0 1 h Pontederiaceae Heteranthera mudplantain native 0 0 0 h Asteraceae Heterosperma heterosperma native 0 0 0 h Asteraceae Compositae Heterotheca goldenaster native 7 0 7 h Saxifragaceaea Saxifragaceaea Heuchera alumroot native 1 0 1 h Orchidacea Hexalectris crested coralroot native 0 0 0 h Aristolochiaceae Hexastylis heartleaf native 0 0 0 h Malvaceae Malvaceae Hibiscus hibiscus, rosemallow native 18 2 20 h Asteraceae Compositae Hieracium hawkweed native 4 0 4 h Poaceae Hierochloe sweetgrass native 0 0 0 h Fabaceae Hippocrepis hippocrepis alien 0 0 0 h Hippuridaceae Hippuris mare's-tail native 0 0 0 h Poaceae Gramineae Holcus velvet grass alien 1 0 1 h Caryophyllaceae Holosteum holosteum alien 0 0 0 h Caryophyllaceae Honckenya honckenya native 0 0 0 h Poaceae Gramineae Hordeum barley native 17 1 18 h Liliaceae Hosta plantain lily alien 0 0 0 h Primulaceae Hottonia hottonia native 0 0 0 h Rubiaceae Houstonia bluet native 0 0 0 h Cistaceae Hudsonia goldenheather native 0 0 0 h Cannabaceae Cannabaceae Humulus hops native 24 3 27 h Lycopodiaceae Huperzia clubmoss native 0 0 0 h Liliaceae Hyacinthoides hyacinthoides alien 0 0 0 h Liliaceae Hyacinthacaea Hyacinthus garden hyacinth alien 1 0 1 h Violaceae Hybanthus greenviolet native 0 0 0 h Hydrangaeceae Hydrangaeceae Hydrangea hydrangea native 5 0 5 w Ranunculaceae Hydrastis hydrastis native 0 0 0 h Hydrocharitaceae Hydrilla hydrilla alien 0 0 0 h Hydrocharitaceae Hydrocharis hydrocharis alien 0 0 0 h Apiaceae Umbelliferae Hydrocotyle marshpennywort native 2 0 2 h 10 Hydrophyllaceae Hydrolea false fiddleleaf native 0 0 0 h Hydrophyllaceae Hydrophyllum waterleaf native 0 0 0 h Acanthaceae Hygrophila swampweed alien 0 0 0 h Crassulaceae Hylotelephium stonecrop native 0 0 0 h Solanaceae Solanaceae Hyoscyamus henbane alien 3 0 3 h Fumariaceae Hypecoum hypecoum alien 0 0 0 h Clusiaceae Guttiferae Hypericum St.Johns wort native 20 0 20 h Asteraceae Compositae Hypochaeris catsear alien 1 0 1 h Liliaceae Hypoxis star-grass native 0 0 0 h Lamiaceae Labiatae Hyptis bushmint alien 2 0 2 h Lamiaceae Hyssopus hyssopus alien 0 0 0 h Brassicaceae Cruciferae Iberis candytuft alien 0 1 1 h Aquifoliaceae Aquifoliaceae Ilex holly, inkberry, winterberry native 34 5 39 w Malvaceae Malvaceae Iliamna wild hollyhock native 0 0 0 h Balsaminaceae Balsaminaceae Impatiens touch-me-not, impatiens native 12 0 12 h Poaceae Gramineae Imperata cogongrass alien 4 0 4 h Fabaceae Leguminosae Indigofera indigo, hairy indigo alien 4 0 4 h Asteraceae Compositae Inula yellowhead alien 2 0 2 h Brassicaceae Iodanthus iodanthus native 0 0 0 h Asteraceae Ionactis aster native 0 0 0 h Convolvulaceae Convolvulaceae Ipomoea morning glory, redstar, sweet potatonative 38 1 39 h Polemoniaceae Polemoniaceae Ipomopsis standing-cypress native 1 0 1 h Amaranthaceae Amaranthaceae Iresine juba's bush, bloodleaf native 2 0 2 h Iridaceae Iridaceae Iris iris native 12 4 16 h Brassicaceae Isatis woad alien 0 0 0 h Isoetaceae Isoetaceae Isoetes quillwort native 1 0 1 h Cyperaceae Cyperaceae Isolepis bulrush alien 0 0 0 h Orchidaceae Isotria fiveleaf orchid native 0 0 0 h Grossulariaceae Itea sweetspire native 0 0 0 w Grossulariaceae Grossulariaceae Itea sweetspire native 0 0 0 h Asteraceae Compositae Iva marshelder native 4 0 4 h Asteraceae Ixeris ixeris alien 0 0 0 h Convolvulaceae Jacquemontia clustervine native 0 0 0 h Campanulaceae Jasione jasione alien 0 0 0 h Oleaceae Oleaceae Jasminum jasmine alien 5 0 5 h Berberidaceae Jeffersonia jeffersonia native 0 0 0 h Juglandaceae Juglandaceae Juglans butternut, walnut native 123 6 129 w Juncaceae Juncaceae Juncus rush native 6 0 6 h Cupressaceae Cupressaceae Juniperus juniper, red cedar native 37 5 42 w Acanthaceae Acanthaceae Justicia looseflower waterwillow native 5 0 5 h Zygophyllaceae Kallstroemia caltrop native 0 0 0 h Ericaceae Ericaceae Kalmia mountainlaurel, sheep laurel, bog nativelaurel, 31 2 33 w Araliaceae Kalopanax castor aralia alien 0 0 0 w Rosaceae Kerria kerria alien 0 0 0 w Scrophulariaceae Scrophulariaceae Kickxia cancerwort alien 1 0 1 h Dipsacaceae Knautia scabiosa alien 0 0 0 h Poaceae Koeleria Junegrass native 0 0 0 h Sapindaceae Sapindaceae Koelreuteria golden raintree, varnish tree alien 1 0 1 w Caprifoliaceae Kolkwitzia kolkwitzia alien 0 0 0 w Malvaceae Malvaceae Kosteletzkya Virginia saltmarsh mallow native 1 0 1 h Asteraceae Krigia dwarfdandelion native 0 0 0 h Fabaceae Kummerowia kummerowia alien 0 0 0 h Cyperaceae Kyllinga spikesedge native 0 0 0 h Fabaceae Leguminosae Lablab (some now maybehyacinthbean Dolichos) alien 1 1 2 h Fabaceae Leguminosae Laburnum golden chain tree, waterer laburnum,alien scotch laburnum0 1 1 w Haemodoraceae Haemodoraceae Lachnanthes Carolina redroot native 0 0 0 h Eriocaulaceae Lachnocaulon bogbutton native 0 0 0 h Asteraceae Compositae Lactuca lettuce native 49 2 51 h Cucurbitaceae Lagenaria lagenaria alien 0 0 0 h Lythraceae Lythraceae Lagerstroemia crapemyrtle alien 3 0 3 w Poaceae Lagurus harestail alien 0 0 0 h Lamiaceae Lamiastrum lamiastrum alien 0 0 0 h 11 Lamiaceae Labiatae Lamium deadnettle alien 1 1 2 h Fumariaceae Lamprocapnos bleeding alien 0 0 0 h Lemnaceae Landoltia native 0 0 0 h Urticaceae Urticaceae Laportea woodnettle native 6 0 6 h Boraginaceae Lappula stickseed native 0 0 0 h Asteraceae Lapsana nipplewort alien 0 0 0 h Pinaceae Pinaceae Larix larch, tamarack native 115 6 121 w Fabaceae Leguminosae Lathyrus pea native 16 5 21 h Lamiaceae Labiatae Lavandula lavender alien 2 0 2 w Malvaceae Malvaceae Lavatera tree lavatera alien 1 0 1 h Cistaceae Lechea pinweed native 0 0 0 h Ericaceae Ericaceae Ledum labrador tea native 7 0 7 w Poaceae Gramineae Leersia southern cutgrass, cutgrass native 5 0 5 h Campanulaceae Legousia legousia alien 0 0 0 h Ericaceae Ericaceae Leiophyllum sandmyrtle native 1 0 1 w Lemnaceae Lemnaceae Lemna duckweed native 2 0 2 h Fabaceae Lens lentil alien 0 0 0 h Asteraceae Leontodon hawkbit alien 0 0 0 h Lamiaceae Leonurus motherwort alien 0 0 0 h Brassicaceae Cruciferae Lepidium peppergrass, pepperweed native 7 1 8 h Poaceae Gramineae Leptochloa sprangletop native 2 0 2 h Polemoniaceae Leptosiphon native 0 0 0 h Fabaceae Leguminosae Lespedeza bush clover native 22 1 23 h Brassicaceae Lesquerella bladderpod native 0 0 0 h Asteraceae Leucanthemella leucanthemella alien 0 0 0 h Asteraceae Compositae Leucanthemum daisy alien 3 1 4 h Liliaceae Leucojum snowflake alien 0 0 0 h Solanaceae Leucophysalis leucophysalis native 0 0 0 h Scrophulariaceae Leucospora leucospora native 0 0 0 h Ericaceae Ericaceae Leucothoe doghobble native 3 1 4 w Apiaceae Umbelliferae Levisticum garden lovage alien 1 0 1 h Poaceae Gramineae Leymus wildrye native 3 0 3 h Asteraceae Compositae blazing star native 4 0 4 h Asteraceae Ligularia alien 0 0 0 h Apiaceae Umbelliferae Ligusticum licorice-root native 3 0 3 h Oleaceae Oleaceae Ligustrum privet alien 19 5 24 w Apiaceae Lilaeopsis grasswort native 0 0 0 h Liliaceae Liliaceae Lilium lily, tiger lily native 11 0 11 h Hydrocharitaceae Limnobium spongeplant native 0 0 0 h Plumbaginaceae Plumbaginaceae Limonium sealavander, statice native 0 1 1 h Scrophulariaceae Limosella native 0 0 0 h Scrophulariaceae Scrophulariaceae Linaria butter and eggs, toadflax alien 4 1 5 h Lauraceae Lauraceae Lindera spicebush native 9 2 11 w Scrophulariaceae Lindernia false pimpernel native 0 0 0 h Caprifoliaceae Linnaea twinflower native 0 0 0 h Linaceae Linaceae Linum flax native 15 2 17 h Orchidaceae Liparis widelip orchid native 0 0 0 h Cyperaceae Lipocarpha halfchaff sedge native 0 0 0 h Hamamelidaceae Hamamelidaceae Liquidambar sweetgum native 33 2 35 w Magnoliaceae Magnoliaceae Liriodendron tulip poplar native 19 2 21 w Liliaceae Liriope lilyturf alien 0 0 0 h Orchidaceae Listera twayblade native 0 0 0 h Boraginaceae Boraginaceae Lithospermum stoneseed native 2 1 3 h Lauraceae Lauraceae Litsea pondspice native 2 0 2 w Plantaginaceae Littorella littorella native 0 0 0 h Campanulaceae Campanulaceae Lobelia lobelia, cardinalflower native 4 0 4 h Brassicaceae Cruciferae Lobularia sweet alyssum alien 1 1 2 h Asteraceae Logfia cottonrose alien 0 0 0 h Ericaceae Loiseleuria loiseleuria native 0 0 0 w Poaceae Gramineae Lolium ryegrass alien 5 0 5 h Caprifoliaceae Caprifoliaceae Lonicera honeysuckle native 33 4 37 w Liliaceae Lophiola lophiola native 0 0 0 h 12 Fabaceae Leguminosae Lotus deer vetch, trefoil native 11 1 12 h Onagraceae Onagraceae Ludwigia false loosestrife, primrose-willow native 2 0 2 h Cucurbitaceae Luffa luffa alien 0 0 0 h Brassicaceae Lunaria lunaria alien 0 0 0 h Fabaceae Leguminosae Lupinus lupine native 30 3 33 h Juncaceae Luzula woodrush native 0 0 0 h Caryophyllaceae Lychnis campion alien 0 0 0 h Solanaceae Solanaceae Lycium matrimony vine, desert-thorn alien 2 0 2 w Lycopodiaceae Lycopodiella clubmoss native 0 0 0 h Lycopodiaceae Lycopodium clubmoss native 0 0 0 h Lygodiaceae Lygodium climbing fern native 0 0 0 h Ericaceae Ericaceae Lyonia maleberry, staggerbush native 11 0 11 w Primulaceae Primulaceae Lysimachia yellow loosestrife native 6 0 6 h Lythraceae Lythraceae Lythrum lythrum, loosestrife native 12 0 12 h Asteraceae Compositae Machaeranthera tansyaster native 6 0 6 h Papaveraceae Macleaya macleaya alien 0 0 0 h Moraceae Moraceae Maclura osage orange native 6 2 8 w Asteraceae Compositae Madia tarweed native 1 0 1 h Magnoliaceae Magnoliaceae Magnolia magnolia, sweetbay native 21 0 21 w Berberidaceae Mahonia barberry native 0 0 0 h Liliaceae Convallariaceae Maianthemum mayflower, false lily of the valley native 2 0 2 h Asteraceae Malacothrix desertdandelion native 0 0 0 h Orchidaceae Malaxis adder's-mouth orchid native 0 0 0 h Rosaceae Rosaceae Malus crabapple, apple native 284 24 308 w Malvaceae Malvaceae Malva mallow alien 12 0 12 h Malvaceae Malvastrum False mallow native 0 0 0 h Solanaceae Solanaceae Mandragora Mandrake, Devil's Apple alien 1 0 1 h Agavaceae Manfreda tuberose native 0 0 0 h Lamiaceae Lamiaceae Marrubium horehound alien 0 1 1 h Asteraceae Marshallia Barbara's buttons native 0 0 0 h Marsileaceae Marsilea waterclover alien 0 0 0 h Asclepiadaceae Matelea milkvine native 0 0 0 h Asteraceae Matricaria mayweed alien 0 0 0 h Dryopteridaceae Woodsiaceae Matteuccia ostrich fern native 2 0 2 h Brassicaceae Cruciferae Matthiola stock alien 0 1 1 h Scrophulariaceae Scrophulariaceae Maurandella roving sailor native 1 0 1 h Mayacaceae Mayaca mayaca native 0 0 0 h Scrophulariaceae Mazus mazus alien 0 0 0 h Scrophulariaceae Mecardonia mecardonia native 0 0 0 h Liliaceae Medeola Indian cucumber native 0 0 0 h Fabaceae Leguminosae Medicago alfalfa, lucerne alien 64 5 69 h Lamiaceae Meehania meehania native 0 0 0 h Scrophulariaceae Melampyrum cowwheat native 0 0 0 h Meliaceae Meliaceae Melia Chinaberrytree alien 2 0 2 w Poaceae Melica melicgrass native 0 0 0 h Fabaceae Leguminosae Melilotus sweetclover, clover alien 29 3 32 h Poaceae Melinis stinkgrass alien 0 0 0 h Lamiaceae Melissa balm alien 0 0 0 h Sterculiaceae Melochia melochia alien 0 0 0 h Cucurbitaceae Melothria melothria native 0 0 0 h Menispermaceae Menispermaceae Menispermum moonseed native 1 0 1 w Lamiaceae Labiatae Mentha mint native 21 1 22 h Menyanthaceae Menyanthaceae Menyanthes buckbean native 3 0 3 h Ericaceae Ericaceae Menziesia minniebush native 0 2 2 w Convolvulaceae Merremia woodrose native 0 0 0 h Boraginaceae Boraginaceae Mertensia bluebells native 3 0 3 h Aizoaceae Mesembryanthemumiceplant alien 0 0 0 h Cupressaceae Cupressaceae Metasequoia dawn redwood alien 0 0 0 w Poaceae Mibora sandgrass alien 0 0 0 h Scrophulariaceae Micranthemum mudflower native 0 0 0 h Poaceae Microstegium Japanese stilgrass alien 0 0 0 h Brassicaceae Microthlaspi pennycress alien 0 0 0 h 13 Asteraceae Compositae Mikania climbing hempvine native 3 0 3 h Poaceae Gramineae Milium milletgrass native 1 0 1 h Fabaceae Leguminosae Mimosa mimosa, powderpuff, (?)sensitive nativeplant 6 1 7 h Scrophulariaceae Scrophulariaceae Mimulus monkeyflower native 4 0 4 h Caryophyllaceae Minuartia stitchwort native 0 0 0 h Nyctaginaceae Nyctaginaceae Mirabilis four o'clock native 2 0 2 h Poaceae Gramineae Miscanthus silvergrass alien 0 1 1 h Scrophulariaceae Misopates misopates alien 0 0 0 h Rubiaceae Mitchella mitchella native 0 0 0 h Saxifragaceae Mitella miterwort native 0 0 0 h Loganiaceae Mitreola hornpod native 0 0 0 h Malvaceae Modiola bristlemallow native 0 0 0 h Caryophyllaceae Moehringia sandwort native 0 0 0 h Caryophyllaceae Moenchia upright chickweed alien 0 0 0 h Poaceae Molinia moorgrass alien 0 0 0 h Molluginaceae Molluginaceae Mollugo indian chickweed, carpetweed native 1 0 1 h Lamiaceae Moluccella moluccella alien 0 0 0 h Cucurbitaceae Cucurbitaceae Momordica balsampear alien 1 0 1 h Lamiaceae Labiatae Monarda beebalm, wild bergamot native 7 0 7 h Pyrolaceae Moneses single delight native 0 0 0 h Chenopodiaceae Monolepis povertyweed native 0 0 0 h Monotropaceae Ericaceae Monotropa indianpipe, pinesap native 3 0 3 h Monotropaceae Monotropsis pygmypipes native 0 0 0 h Portulacaceae Montia minerslettuce native 0 0 0 h Myricaceae Morella bayberry native 0 0 0 h Brassicaceae Moricandia moricandia alien 0 0 0 h Moraceae Moraceae Morus mulberry native 6 3 9 w Poaceae Gramineae Muhlenbergia muhly native 4 0 4 h Commelinaceae Murdannia murdannia alien 0 0 0 h Liliaceae Muscari grape hyacinth alien 0 0 0 h Asteraceae Mycelis mycelis alien 0 0 0 h Boraginaceae Boraginaceae Myosotis forget-me-not native 2 1 3 h Caryophyllaceae Myosoton myosoton alien 0 0 0 h Ranunculaceae Myosurus mousetail native 0 0 0 h Myricaceae Myricaceae Myrica bayberry, myrtle, gale, sweetgale,native northern bayberry,106 red bayberry,2 108 wax myrtlew Haloragaceae Haloragaceae Myriophyllum watermilfoil native 2 0 2 h Apiaceae Myrrhis myrrhis alien 0 0 0 h Myrtaceae Myrtaceae Myrtus myrtle alien 3 0 3 w Najadaceae Najas waternymph native 0 0 0 h Berberidaceae Nandina nandina alien 0 0 0 w Malvaceae Malvaceae Napaea glademallow native 1 0 1 h Liliaceae Amaryllidaceae Narcissus narcissus alien 1 0 1 h Poaceae Gramineae Nardus matgrass alien 1 0 1 h Poaceae Nassella needlegrass native 0 0 0 h Brassicaceae Brassicaceae Nasturtium watercress alien 0 1 1 h Polemoniaceae Navarretia pincushionplant native 0 0 0 h Nelumbonaceae Nelumbonaceae Nelumbo lotus native 5 0 5 h Hydrophyllaceae Hydrophyllaceae Nemophila baby blue eyes native 1 0 1 w Brassicaceae Neobeckia lakecress native 0 0 0 h Brassicaceae Neotorularia native 0 0 0 h Lamiaceae Labiatae Nepeta catnip alien 2 0 2 h Brassicaceae Neslia neslia alien 0 0 0 h Santalaceae Nestronia nestronia native 0 0 0 w Solanaceae Solanaceae Nicandra apple of Peru alien 5 0 5 h Solanaceae Solanaceae Nicotiana tobacco alien 56 4 60 h Ranunculaceae Nigella nigella alien 0 0 0 h Asteraceae Nipponanthemum nippon daisy alien 0 0 0 h Boraginaceae Nonea monkswort alien 0 0 0 h Asteraceae Nothocalais prairie-dandelion native 0 0 0 h Liliaceae Nothoscordum False garlic native 0 0 0 h Nymphaeceae Nymphaeceae Nuphar pond lily native 3 0 3 h Scrophulariaceae Scrophulariaceae Nuttallanthus toadflax native 2 0 2 h 14 Nymphaeceae Nymphaeceae Nymphaea waterlily native 4 0 4 h Menyanthaceae Menyanthaceae Nymphoides floatingheart native 1 0 1 h Cornaceae Cornaceae Nyssa blackgum, sourgum, tupelo native 25 1 26 w Gentianaceae Obolaria obolaria native 0 0 0 h Lamiaceae Lamiaceae Ocimum basil alien 0 0 0 h Asteraceae Oclemena aster native 0 0 0 h Scrophulariaceae Odontites odontites alien 0 0 0 h Apiaceae Oenanthe waterdropwort alien 0 0 0 h Onagraceae Onagraceae Oenothera evening primrose [aka:Calylophus]native 16 1 17 h Rubiaceae Oldenlandia oldenlandia native 0 0 0 h Asteraceae Compositae Oligoneuron goldenrod native 3 0 3 h Asteraceae Omalotheca arctic cudweed native 0 0 0 h Fabaceae Leguminosae Onobrychis sainfoin alien 1 0 1 h Dryopteridaceae Woodsiaceae Onoclea sensitive fern native 3 0 3 h Fabaceae Fabaceae Ononis restharrow alien 2 0 2 h Asteraceae Onopordum cottonthistle alien 0 0 0 h Boraginaceae Boraginaceae Onosmodium marbleseed, wild Job's tears native 4 0 4 h Ophioglossaceae Ophioglossum adderstongue native 0 0 0 h Poaceae Gramineae Oplismenus woodsgrass, basketgrass native 1 0 1 h Cactaceae Cactaceae Opuntia pricklypear, devil's-tongue, cactus nativeapple 5 0 5 h Fabaceae Leguminosae Orbexilum leather-root, snakeroot, french grassnative 2 0 2 h Lamiaceae Origanum origanum alien 0 0 0 h Liliaceae Ornithogalum star of Bethlehem alien 0 0 0 h Fabaceae Ornithopus bird's-foot alien 0 0 0 h Orobanchaceae Orobanche broomrape alien 0 0 0 h Araceae Orontium goldenclub native 0 0 0 h Pyrolaceae Orthilia orthilia native 0 0 0 h Scrophulariaceae Scrophulariaceae Orthocarpus owl's clover native 1 0 1 h Poaceae Gramineae Oryza rice alien 10 1 11 h Poaceae Oryzopsis ricegrass native 0 0 0 h Oleaceae Osmanthus devilwood native 1 0 1 w Apiaceae Umbelliferae Osmorhiza sweetroot native 2 0 2 h Osmundaceae Osmundaceae Osmunda cinnamon fern, royal fern, interuptednative fern 6 0 6 h Betulaceae Corylaceae Ostrya tupelo, ironwood native 91 3 94 w Oxalidaceae Oxalidaceae Oxalis woodsorrel native 3 0 3 h Ericaceae Ericaceae Oxydendrum sourwood native 14 0 14 w Apiaceae Umbelliferae Oxypolis cowbane native 2 0 2 h Buxaceae Pachysandra Allegheny spurge native 0 0 0 h Paeoniaceae Paconiaceae Paeonia peony alien 3 1 4 h Araliaceae Panax ginseng native 0 0 0 h Poaceae Gramineae Panicum bulb panic grass, guineagrass, maidencane,native winged24 panicgrass,1 panicgrass,25 htorpedograss Papaveraceae Papaveraceae Papaver poppy alien 2 0 2 h Poaceae Pappophorum pappusgrass native 0 0 0 h Poaceae Parapholis curved sicklegrass alien 0 0 0 h Urticaceae Urticaceae Parietaria pellitory native 2 0 2 h Saxifragaceae Parnassia grass of Parnassus native 0 0 0 h Caryophyllaceae Paronychia nailwort native 0 0 0 h Asteraceae Compositae Parthenium feverfew, quinine native 15 1 16 h Vitaceae Vitaceae Parthenocissus virginia creeper, woodbine native 32 0 32 w Poaceae Pascopyrum wheatgrass native 0 0 0 h Poaceae Gramineae Paspalum paspalum, dallisgrass, vaseygrass,native crowngrass 10 0 10 h Passifloraceae Passifloraceae Passiflora passionflower, passion-vine native 5 0 5 h Apiaceae Umbelliferae Pastinaca wild parsnip alien 6 1 7 h Scrophulariaceae Scrophulariaceae Paulownia princesstree, paulownia alien 2 0 2 w Celestraceae Paxistima paxistima native 0 0 0 h Scrophulariaceae Scrophulariaceae Pedicularis lousewort native 3 0 3 h Fabaceae Leguminosae Pediomelum breadroot, buckroot native 1 0 1 h Pteridaceae Pellaea cliffbrake native 0 0 0 h Araceae Peltandra arrow arum native 0 0 0 h Poaceae Gramineae Pennisetum elephantgrass, fountaingrass alien 3 0 3 h Scrophulariaceae Scrophulariaceae Penstemon beardtongue, penstemon native 8 0 8 h Crassulaceae Penthorum penthorum native 0 0 0 h 15 Lamiaceae Perilla perilla alien 0 0 0 h Asclepiadaceae Periploca periploca alien 0 0 0 h Lauraceae Lauraceae Persea avacado, bay, redbay, swamp baynative 16 2 18 w Asteraceae Petasites butterbur native 0 0 0 h Caryophyllaceae Petrorhagia childing pink alien 0 0 0 h Apiaceae Umbelliferae Petroselinum parsley alien 4 0 4 h Solanaceae Solanaceae Petunia pentunia alien 3 0 3 h Apiaceae Peucedanum hogfennel alien 0 0 0 h Hydrophyllaceae Hydrophyllaceae Phacelia phacelia native 3 0 3 h Poaceae Gramineae Phalaris canary grass native 4 0 4 h Poaceae Gramineae Phanopyrum Savannah panicum native 1 0 1 h Fabaceae Leguminosae Phaseolus beans native 59 7 66 h Thelypteridaceae Phegopteris beechfern native 0 0 0 h Rutaceae Phellodendron corktree alien 0 0 0 w Portulacaceae Phemeranthus fameflower native 0 0 0 h Hydrangaeceae Hydrangaeceae Philadelphus mock orange native 4 0 4 w Poaceae Gramineae Phleum timothy alien 26 2 28 h Lamiaceae Phlomis Jeruselum sage alien 0 0 0 h Polemoniaceae Polemoniaceae Phlox phlox native 8 0 8 h Arecaceae Palmae Phoenix date palm alien 0 2 2 w Viscaceae Viscaceae Phoradendron mistletoe native 4 0 4 w Rosaceae Rosaceae Photinia black chokeberry, photinia native 26 3 29 w Poaceae Gramineae Phragmites common reed alien 2 2 4 h Verbenaceae Phryma phryma native 0 0 0 h Verbenaceae Verbenaceae Phyla turkey tangle fogfruit native 4 0 4 h Euphorbiaceae Euphorbiaceae Phyllanthus leafflower native 1 0 1 h Poaceae Gramineae Phyllostachys golden bamboo alien 1 0 1 w Solanaceae Solanaceae Physalis groundcherry native 8 1 9 h Rosaceae Rosaceae Physocarpus ninebark native 40 1 41 w Phytolaccaceae Phytolaccaceae Phytolacca pokeweed native 7 0 7 h Pinaceae Pinaceae Picea spruce native 146 4 150 w Asteraceae Picris oxtongue native 0 0 0 h Ericaceae Ericaceae Pieris fetterbush native 2 0 2 w Urticaceae Urticaceae Pilea clear weed native 1 0 1 h Apiaceae Umbelliferae Pimpinella burnet saxifrage alien 1 1 2 h Araceae Pinellia pinellia alien 0 0 0 h Lentibulariaceae Pinguicula butterwort native 0 0 0 h Pinaceae Pinaceae Pinus pine native 191 10 201 w Piperaceae Piperaceae Piper pepper alien 1 0 1 h Poaceae Piptatherum ricegrass native 0 0 0 h Poaceae Piptochaetium speargrass native 0 0 0 h Araceae Pistia pistia native 0 0 0 h Fabaceae Leguminosae Pisum pea(garden) alien 33 5 38 h Asteraceae Compositae Pityopsis silkgrass native 3 0 3 h Boraginaceae Plagiobothrys popcornflower native 0 0 0 h Plantaginaceae Plantaginaceae Plantago plantain native 63 3 66 h Orchidaceae Orchidaceae Platanthera fringed orchid native 1 0 1 h Platanaceae Platanaceae Platanus sycamore native 42 3 45 w Campanulaceae Platycodon platycodon alien 0 0 0 h Polypodiaceae Pleopeltis resurrection fern native 0 0 0 h Asteraceae Compositae Pluchea camphorweed, sweetscent native 4 0 4 h Poaceae Gramineae Poa blue grass native 41 1 42 h Berberidaceae Berberidaceae Podophyllum mayapple native 4 0 4 h Orchidaceae Pogonia snakemouth orchid native 0 0 0 h Capparaceae Polanisia clammyweed native 0 0 0 h Polemoniaceae Polemoniaceae Polemonium Jacob's-ladder, Greek valerian native 1 0 1 h Caryophyllaceae Polycarpon manyseed alien 0 0 0 h Chenopodiaceae Polycnemum polycnemum alien 0 0 0 h Polygalaceae Polygala milkwort native 0 0 0 h Liliaceae Convallariaceae Polygonatum Solomon's seal native 1 0 1 h Polygonaceae Polygonaceae Polygonella tall jointweed native 1 0 1 h Polygonaceae Polygonaceae Polygonum knotweed, smartweed native 56 2 58 h 16 Asteraceae Compositae Polymnia leafcup, yacon native 1 0 1 h Polygonaceae Polygonaceae Polypodium polypody native 1 0 1 h Poaceae Polypogon rabbitsfoot alien 0 0 0 h Poaceae Poaceae Polypogon rabbitfoot grass native 0 0 0 h Buddlejaceae Polypremum polypremum native 0 0 0 h Dryopteridaceae Dryopteridaceae Polystichum christmas fern, hollyfern native 3 0 3 h Rutaceae Rutaceae Poncirus hardy orange alien 1 0 1 w Pontederiaceae Pontederiaceae Pontederia pickerelweed native 4 0 4 h Orchidaceae Ponthieva shadowwitch native 0 0 0 h Salicaceae Salicaceae Populus aspen, cottonwood, poplar native 358 9 367 w Portulacaceae Portulacaceae Portulaca purslane, hogweed, chickenweed native 15 2 17 h Rosaceae Rosaceae Potentilla cinquefoil native 14 1 15 h Asteraceae Compositae Prenanthes rattlesnakeroot, gall of the earth native 3 0 3 h Primulaceae Primulaceae Primula primrose alien 3 0 3 h Pedaliaceae Pedaliaceae Proboscidea ram's horn native 2 0 2 h Liliaceae Convallariaceae Prosartes fairy bells, mandarin native 0 0 0 h Haloragaceae Proserpinaca mermaidweed native 0 0 0 h Lamiaceae Prunella selfheal native 0 0 0 h Rosaceae Rosaceae Prunus beach plum, cherry, chokecherry, nativepeach, plum, 429sweet cherry,27 wild plum,456 almondw Fumariaceae Pseudofumaria pseudofumaria alien 0 0 0 h Asteraceae Compositae Pseudognaphalium rabbit-tobacco, sweeteverlasting, nativecudweed 4 0 4 h Scrophulariaceae Pseudolysimachion longleaf speedwell alien 0 0 0 h Poaceae Pseudosasa arrow bamboo alien 0 0 0 w Pinaceae Pinaceae Pseudotsuga douglas fir native 74 2 76 w Rutaceae Rutaceae Ptelea hoptree native 5 1 6 w Dennstaedtiaceae Dennstaedtiaceae Pteridium brackenfern, bracken native 13 2 15 h Pteridaceae Pteridaceae Pteris brake fern alien 4 0 4 h Monotropaceae Pterospora pinedrops native 0 0 0 h Styracaceae Styracaceae Pterostyrax fragrant epaulettetree. little epaulettetreealien 1 0 1 w Apiaceae Umbelliferae Ptilimnium herbwilliam, mock bishopweed native 1 0 1 h Poaceae Gramineae Puccinellia alkaligrass native 1 0 1 h Fabaceae Leguminosae Pueraria kudzo alien 4 0 4 w Asteraceae Pulicaria false fleabane alien 0 0 0 h Boraginaceae Pulmonaria lungwort alien 0 0 0 h Ranunculaceae Ranunculaceae Pulsatilla pasqueflower alien 1 0 1 h Lamiaceae Labiatae Pycnanthemum mountainmint native 3 0 3 h Rosaceae Rosaceae Pyracantha firethorn alien 7 2 9 w Pyrolaceae Ericaceae Pyrola wintergreen native 2 0 2 h Asteraceae Pyrrhopappus desert-chicory native 0 0 0 h Santalaceae Pyrularia pyrularia native 0 0 0 h Rosaceae Rosaceae Pyrus pear alien 119 19 138 w Diapensiaceae Pyxidanthera pixiemoss native 1 0 1 h Fagaceae Fagaceae Quercus oak native 518 14 532 w Ranunculaceae Ranunculaceae Ranunculus buttercup native 7 1 8 h Brassicaceae Cruciferae Raphanus radish alien 14 3 17 h Brassicaceae Rapistrum bastardcabbage alien 0 0 0 h Asteraceae Compositae Ratibida prairie coneflower native 1 0 1 h Asteraceae Reichardia brighteyes alien 0 0 0 h Resedaceae Resedaceae Reseda mignonette alien 3 0 3 h Rhamnaceae Rhamnaceae Rhamnus buckthorn, redberry native 9 1 10 w Polygonaceae Polygonaceae Rheum rhubarb alien 9 4 13 h Melastomataceae Melastomataceae Rhexia meadowbeauty native 3 0 3 h Scrophulariaceae Rhinanthus yellowrattle native 0 0 0 h Crassulaceae Rhodiola stonecrop native 0 0 0 h Ericaceae Ericaceae Rhododendron rhododendron, azalea native 50 1 51 w Rosaceae Rhodotypos jetbead alien 0 0 0 w Anacardiaceae Anacardiaceae Rhus sumac native 54 4 58 w Fabaceae Leguminosae Rhynchosia snoutbean native 4 0 4 h Cyperaceae Cyperaceae Rhynchospora beaksedge native 2 0 2 h Grossulariaceae Grossulariaceae Ribes currant, gooseberry native 92 7 99 w Rubiaceae Richardia Mexican clover native 0 0 0 h Euphorbiaceae Euphorbiaceae Ricinus castorbean alien 15 1 16 w 17 Fabaceae Leguminosae Robinia locust, black locust, rose acacia native 67 5 72 w Brassicaceae Cruciferae Rorippa yellowcress native 3 2 5 h Rosaceae Rosaceae Rosa rose, sweetbriar native 122 13 135 w Poaceae Rostraria hairgrass alien 0 0 0 h Lythraceae Rotala rotala native 0 0 0 h Rubiaceae Rubia madder alien 0 0 0 h Rosaceae Rosaceae Rubus blackberry, dewberry, Himalayan berry,native raspberry,151 thimbleberry,12 loganberry163 w Asteraceae Compositae Rudbeckia browneyed susan, blackeyed susan,native coneflower 16 0 16 h Acanthaceae Acanthaceae Ruellia wild petunia native 2 0 2 h Polygonaceae Polygonaceae Rumex dock, sheep sorrel, curly dock native 47 7 54 h Ruppiaceae Ruppia widgeonweed native 0 0 0 h Rutaceae Rutaceae Ruta rue alien 2 0 2 h Gentianaceae Gentianaceae Sabatia rose gentian, rosepink, Texas starnative 1 0 1 h Poaceae Gramineae Saccharum sugarcane plumegrass, sugarcane,native silver plumegrass21 1 22 h Poaceae Gramineae Sacciolepis cupscale native 1 0 1 h Caryophyllaceae Sagina pearlwort native 0 0 0 h Alismataceae Alismataceae Sagittaria arrowhead native 5 0 5 h Chenopodiaceae Salicornia pickleweed native 0 0 0 h Salicaceae Salicaceae Salix willow native 440 15 455 w Solanaceae Salpichroa salpichroa alien 0 0 0 h Solanaceae Salpiglossis salpiglossis alien 0 0 0 h Chenopodiaceae Chenopodiaceae Salsola Russian thistle alien 9 2 11 h Lamiaceae Labiatae Salvia sage native 5 1 6 h Salviniaceae Salvinia watermoss alien 0 0 0 h Caprifoliaceae Caprifoliaceae Sambucus elderberry native 40 2 42 w Primulaceae Samolus brookweed alien 0 0 0 h Papaveraceae Papaveraceae Sanguinaria bloodroot native 2 0 2 h Rosaceae Rosaceae Sanguisorba burnet native 0 2 2 h Apiaceae Umbelliferae Sanicula sanicle, blacksnakeroot native 1 0 1 h Asteraceae Sanvitalia creeping zinnia alien 0 0 0 h Euphorbiaceae Euphorbiaceae Sapium Tallow Tree alien 1 0 1 w Caryophyllaceae Caryophyllaceae Saponaria soapwort alien 1 0 1 h Chenopodiaceae Sarcocornia swampfire native 0 0 0 h Sarraceniaceae Sarraceniaceae Sarracenia pitcher plant, yellow-trumpet native 6 0 6 h Lauraceae Lauraceae Sassafras sassafras native 36 2 38 w Lamiaceae Satureja savory alien 0 0 0 h Saururaceae Saururaceae Saururus lizard's tail native 1 0 1 h Saxifragaceaea Saxifragaceaea Saxifraga saxifrage native 1 0 1 h Dipsacaceae Dipsacaceae Scabiosa pincushions alien 3 0 3 h Apiaceae Scandix shepherd's needle alien 0 0 0 h Poaceae Schedonorus fescue alien 0 0 0 h Scheuchzeriaceae Scheuchzeria rannoch-rush native 0 0 0 h Poaceae Gramineae Schizachne false melic grass, purple oat grassnative 1 0 1 h Poaceae Gramineae Schizachyrium little bluestem native 6 0 6 h Schizaeaceae Schizaea curlygrass native 0 0 0 h Solanaceae Solanaceae Schizanthus poorman's orchid alien 1 0 1 h Cyperaceae Cyperaceae Schoenoplectus bulrush native 2 0 2 h Scrophulariaceae Schwalbea schwalbea native 0 0 0 h Liliaceae Scilla Siberian squill alien 0 0 0 h Cyperaceae Scirpoides bulrush alien 0 0 0 h Cyperaceae Cyperaceae Scirpus woolgrass, bulrush native 11 0 11 h Caryophyllaceae Scleranthus knotgrass alien 0 0 0 h Cyperaceae Cyperaceae Scleria nutrush native 1 0 1 h Poaceae Sclerochloa hardgrass alien 0 0 0 h Asteraceae Sclerolepis bogbutton native 0 0 0 h Asteraceae Scolymus goldenthistle alien 0 0 0 h Scrophulariaceae Scoparia broomwort alien 0 0 0 h Fabaceae Scorpiurus scorpion's-tail alien 0 0 0 h Scrophulariaceae Scrophulariaceae Scrophularia figwort, carpenter's square native 5 1 6 h Lamiaceae Labiatae Scutellaria skullcap native 2 0 2 h Poaceae Gramineae Secale rye, cereal rye alien 13 1 14 h Fabaceae Leguminosae Securigera crownvetch alien 3 1 4 h 18 Crassulaceae Crassulaceae Sedum orpine, stonecrop, green cockscombnative 4 1 5 h Selaginellaceae Selaginella spikemoss native 0 0 0 h Crassulaceae Crassulaceae Sempervivum common houseleek alien 1 0 1 h Asteraceae Compositae Senecio butterweed, ragwort native 17 1 18 h Fabaceae Leguminosae(C) Senna senna native 8 1 9 h Asteraceae Compositae Sericocarpus whitetop aster native 1 0 1 h Asteraceae plumeless saw-wort alien 0 0 0 h Pedaliaceae Pedaliaceae Sesamum sesame, sesamum alien 1 0 1 h Fabaceae Leguminosae Sesbania danglepod, rattlebox, bladderpod native 5 1 6 h Apiaceae Seseli mooncarrot alien 0 0 0 h Aizoaceae Sesuvium seapurslane native 0 0 0 h Poaceae Gramineae Setaria coral bristlegrass alien 10 0 10 h Scrophulariaceae Scrophulariaceae Seymeria blacksenna native 2 0 2 h Eleagnaceae Eleagnaceae Shepherdia buffaloberry native 22 0 22 w Rubiaceae Sherardia sherardia alien 0 0 0 h Diapensiaceae Shortia Oconee bells native 0 0 0 h Brassicaceae Sibara winged rockcress native 0 0 0 h Rosaceae Sibbaldiopsis fivefingers native 0 0 0 h Cucurbitaceae Sicyos burr cucumber native 0 0 0 h Malvaceae Malvaceae Sida fanpetals, Cuban jute native 8 0 8 h Malvaceae Malvaceae Sidalcea checkerbloom native 3 0 3 h Lamiaceae Sideritis ironwort alien 0 0 0 h Sapotaceae Sapotaceae Sideroxylon bully, bumelia native 4 0 4 w Caryophyllaceae Caryophyllaceae Silene catchfly, moss champion native 4 0 4 h Asteraceae Compositae Silphium rosinweed native 4 0 4 h Asteraceae Compositae Silybum milkthistle alien 1 0 1 h Brassicaceae Cruciferae Sinapis mustard alien 4 2 6 h Brassicaceae Cruciferae Sisymbrium hedgemuster, tumblemustard alien 5 0 5 h Iridaceae Sisyrinchium blue-eyed grass native 0 0 0 h Apiaceae Umbelliferae Sium water parsnip native 4 0 4 h Asteraceae Compositae Smallanthus hairy leafcup native 1 0 1 h Smilacaceae Smilacaceae Smilax greenbriar native 17 2 19 w Solanaceae Solanaceae Solanum horsenettle, nightshade, potato, tomato,native eggplant,53 aubergines8 61 h Asteraceae Compositae Solidago goldenrod native 112 3 115 h Asteraceae Soliva burrweed alien 0 0 0 h Asteraceae Compositae Sonchus sowthistle alien 4 0 4 h Fabaceae Leguminosae Sophora necklacepod alien 1 1 2 w Rosaceae Rosaceae Sorbaria false spiraea alien 2 0 2 w Rosaceae Rosaceae Sorbus mountain ash native 62 6 68 w Poaceae Gramineae Sorghastrum slender indiangrass, indiangrass native 9 0 9 h Poaceae Gramineae Sorghum johnsongrass, Sorghum alien 18 2 20 h Sparganiaceae Typhaceae Sparganium bur reed native 3 0 3 h Poaceae Gramineae Spartina cordgrass native 13 0 13 h Caryophyllaceae Spergula spurry alien 0 0 0 h Caryophyllaceae Spergularia sandspurry native 0 0 0 h Rubiaceae Rubiaceae Spermacoce false buttonweed native 1 0 1 h Apiaceae Umbelliferae Spermolepis scaleseed native 2 0 2 h Malvaceae Malvaceae Sphaeralcea globemallow native 2 0 2 h Poaceae Sphenopholis wedgescale native 0 0 0 h Loganiaceae Spigelia pinkroot native 0 0 0 h Chenopodiaceae Chenopodiaceae Spinacia spinach alien 16 1 17 h Rosaceae Rosaceae Spiraea meadowsweet, spirea native 86 3 89 w Orchidaceae Spiranthes lady's tresses native 0 0 0 h Lemnaceae Spirodela duckmeat native 0 0 0 h Poaceae Sporobolus dropseed native 0 0 0 h Labiatae Labiatae Stachys hedgenettle, lamb's ear native 11 2 13 h Staphyleaceae Staphyleaceae Staphylea bladdernut native 2 0 2 w Poaceae Steinchisma gaping grass native 0 0 0 h Caryophyllaceae Caryophyllaceae Stellaria chickweed, starwort native 15 1 16 h Rubiaceae Stenaria diamond flowers native 0 0 0 h Poaceae Gramineae Stenotaphrum St. Augustinegrass native 9 0 9 h Rosaceae Stephanandra laceshrub alien 0 0 0 w 19 Asteraceae Stephanomeria wirelettuce native 0 0 0 h Liliaceae Sternbergia winter daffodil alien 0 0 0 h Theaceae Theaceae Stewartia mountain camellia, silky camellia native 1 0 1 w Euphorbiaceae Euphorbiaceae Stillingia toothleaf, queen's delight native 1 0 1 h Caryophyllaceae Stipulicida scalypink native 0 0 0 h Liliaceae Streptopus twistedstalk native 0 0 0 h Fabaceae Leguminosae Strophostyles fuzzybean native 3 0 3 h Pontamogetonaceae Stuckenia pondweed native 0 0 0 h Convolvulaceae Convolvulaceae Stylisma dawnflower native 1 0 1 h Verbenaceae Stylodon false vervain native 0 0 0 h Papaveraceae Stylophorum celadine poppy native 0 0 0 h Fabaceae Leguminosae Stylosanthes pencilflower native 2 0 2 h Fabaceae Styphnolobium pagoda tree alien 0 0 0 w Styracaceae Styrax snowbell native 0 0 0 w Styracaceae Styracaceae Styrax snowbell native 1 0 1 h Chenopodiaceae Suaeda seepweed native 0 0 0 h Brassicaceae Subularia awlwort native 0 0 0 h Dipsacaceae Succisa succisa alien 0 0 0 h Dipsacaceae Succisella succisella alien 0 0 0 h Saxifragaceae Sullivantia coolwort native 0 0 0 h Caprifoliaceae Caprifoliaceae Symphoricarpos snowberry, buckbush native 24 1 25 w Boraginaceae Boraginaceae Symphytum comfrey alien 3 1 4 h Araceae Araceae Symplocarpus skunk cabbage native 2 1 3 h Lamiaceae Synandra Guyandotte beauty native 0 0 0 h Oleaceae Oleaceae Syringa lilac alien 35 5 40 w Poaceae Taeniatherum medusahead alien 0 0 0 h Apiaceae Umbelliferae Taenidia pimpernel native 3 0 3 h Asteraceae Compositae Tagetes marigold alien 3 1 4 h Tamaricaceae Tamaricaceae Tamarix tamarisk alien 3 0 3 w Asteraceae Tanacetum tansy alien 0 0 0 h Asteraceae Compositae Taraxacum dandelion alien 86 1 87 h Cupressaceae Taxodiaceae Taxodium cypress, bald cypress, pond cypressnative 15 1 16 w Taxaceae Taxaceae Taxus yew native 5 3 8 w Brassicaceae Teesdalia shepardscress alien 0 0 0 h Fabaceae Leguminosae Tephrosia hoarypea native 6 1 7 h Rutaceae Tetradium bee bee tree alien 0 0 0 w Aizoaceae Tetragonia New Zealand spinach alien 0 0 0 h Asteraceae Tetragonotheca nerveray native 0 0 0 h Lamiaceae Labiatae Teucrium germander native 0 1 1 h Ranunculaceae Ranunculaceae Thalictrum meadow rue native 13 0 13 h Poaceae Gramineae Thamnocalamus giant panda fodder bamboo alien 1 0 1 w Apiaceae Umbelliferae Thaspium meadowparsnip native 1 0 1 h Thelypteridaceae Thelypteridaceae Thelypteris maiden fern, New York fern native 5 0 5 h Poaceae Themeda kangaroo grass alien 0 0 0 h Fabaceae Leguminosae Thermopsis goldenbanner native 5 0 5 h Poaceae Thinopyrum wheatgrass alien 0 0 0 h Cucurbitaceae Thladiantha Manchu tubergourd alien 0 0 0 h Brassicaceae Cruciferae Thlaspi penny cress alien 2 0 2 h Cupressaceae Cupressaceae Thuja western red cedar, arborvitae native 48 2 50 w Lamiaceae Labiatae Thymus thyme alien 1 1 2 h Saxifragaceae Tiarella foamflower native 0 0 0 h Amaranthaceae Tidestromia honeysweet native 0 0 0 h Tiliaceae Tiliaceae Tilia basswood, linden native 142 7 149 w Bromeliaceae Tillandsia spanish moss native 0 0 0 h Orchidaceae Tipularia crippled cranefly native 0 0 0 h Meliaceae Toona Australian redcedar alien 0 0 0 w Apiaceae Torilis hedgeparsley alien 0 0 0 h Poaceae Torreyochloa False mannagrass native 0 0 0 h Anacardiaceae Anacardiaceae Toxicodendron poison oak, poison sumac, posionnative ivy 13 2 15 w Apocynaceae Trachelospermum climbing dogbane native 0 0 0 h Commelinaceae Commelinaceae Tradescantia spiderwort native 4 0 4 h Euphorbiaceae Tragia noseburn native 0 0 0 h 20 Asteraceae Compositae Tragopogon salsify, goatsbeard alien 5 0 5 h Poaceae Tragus burr grass alien 0 0 0 h Trapaceae Trapa water chestnut alien 0 0 0 h Ranunculaceae Trautvetteria bugbane native 0 0 0 h Clusiaceae Guttiferae Triadenum marsh St. Johnswort native 4 0 4 h Liliaceae Triantha asphodel native 0 0 0 h Aizoaceae Trianthema horsepurslane native 0 0 0 h Zygophyllaceae Tribulus puncturevine alien 0 0 0 h Poaceae Trichloris watermeal native 0 0 0 h Hymenophyllaceae Trichomanes bristlefern native 0 0 0 h Cyperaceae Cyperaceae Trichophorum bulrush native 0 0 0 h Lamiaceae Labiatae Trichostema fluxweed, bluecurls native 2 0 2 h Liliaceae Tricyrtis toadlily alien 0 0 0 h Poaceae Gramineae Tridens tall redtop, purple-top native 6 0 6 h Primulaceae Trientalis starflower native 0 0 0 h Fabaceae Leguminosae Trifolium clover native 115 7 122 h Juncaginaceae Triglochin arrowgrass native 0 0 0 h Fabaceae Trigonella fenugreek alien 0 0 0 h Liliaceae Trilliaceae Trillium toadshade, trillium, wakerobin native 3 0 3 h Campanulaceae Triodanis Venus'looking-glass native 0 0 0 h Caprifoliaceae Caprifoliaceae Triosteum horse-gentian, feverwort native 3 0 3 h Orchidaceae Triphora noddingcaps native 0 0 0 h Poaceae Triplasis sandgrass native 0 0 0 h Asteraceae Tripleurospermum false mayweed native 0 0 0 h Asteraceae Tripolium sea aster alien 0 0 0 h Poaceae Gramineae Tripsacum gamagrass native 3 0 3 h Poaceae Trisetum oatgrass native 0 0 0 h Liliaceae Tristagma springstar alien 0 0 0 h Poaceae Gramineae Triticum wheat alien 33 3 36 h Ranunculaceae Trollius globeflower native 0 0 0 h Tropaeolaceae Tropaeolaceae Tropaeolum nasturtium alien 6 2 8 h Pinaceae Pinaceae Tsuga hemock native 89 3 92 w Liliaceae Tulipa tulip alien 0 0 0 h Apiaceae Turgenia False carrot alien 0 0 0 h Asteraceae Tussilago coltsfoot alien 0 0 0 h Typhaceae Typhaceae Typha cattail native 17 1 18 h Fabaceae Ulex gorse alien 0 0 0 h Ulmaceae Ulmaceae Ulmus elm native 206 9 215 w Poaceae Uniola seaoats native 0 0 0 h Poaceae Gramineae Urochloa tropical signalgrass native 3 0 3 h Urticaceae Urticaceae Urtica nettle native 32 3 35 h Lentibulariaceae Utricularia bladderwort native 0 0 0 h Liliaceae Convallariaceae Uvularia bellwort native 1 0 1 h Caryophyllaceae Vaccaria soapwort alien 0 0 0 h Ericaceae Ericaceae Vaccinium cranberry, blueberry native 286 8 294 w Poaceae Vahlodea hairgrass native 0 0 0 h Valerianaceae Valerianaceae Valerianella cornsalad native 2 0 2 h Hydrocharitaceae Hydrocharitaceae Vallisneria eelgrass native 1 0 1 h Poaceae Ventenata Africa grass alien 0 0 0 h Liliaceae Melanthiaceae Veratrum false hellebore native 5 0 5 h Scrophulariaceae Scrophulariaceae Verbascum mullein alien 7 0 7 h Verbenaceae Verbenaceae Verbena verbena, vervain native 11 0 11 h Asteraceae Compositae Verbesina crownbeard, wing-stem native 16 0 16 h Asteraceae Compositae Vernonia ironweed native 0 0 19 h Scrophulariaceae Scrophulariaceae Veronica speedwell native 6 1 7 h Scrophulariaceae Scrophulariaceae Veronicastrum Culver's root native 1 0 1 h Caprifoliaceae Caprifoliaceae Viburnum arrowwood, viburnum, (Viburnumnative opulus=swamp97 elder), wild6 raisin104 w Fabaceae Leguminosae Vicia vetch native 14 2 16 h Fabaceae Leguminosae Vigna hairypod cowpea, cowpea native 16 1 17 h Apocynaceae Vinca periwinkle alien 0 0 0 h Asclepiadaceae Asclepiadaceae Vincetoxicum swallow-wort alien 1 0 1 w Violaceae Violaceae Viola violet native 27 3 30 h 21 Verbenaceae Verbenaceae Vitex chastetree alien 0 0 0 w Vitaceae Vitaceae Vitis grape native 72 7 79 w Vittariaceae Vittaria shoestring fern native 0 0 0 h Poaceae Vulpia fescue native 0 0 0 h Rosaceae Waldsteinia barren strawberry native 0 0 0 h Caprifoliaceae Caprifoliaceae Weigela weigela alien 2 0 2 w Fabaceae Leguminosae Wisteria wisteria native 18 1 19 w Lemnaceae Wolffia watermeal native 0 0 0 h Lemnaceae Wolffiella bogmat native 0 0 0 h Dryopteridaceae Woodsia cliff fern native 0 0 0 h Blechnaceae Blechnaceae Woodwardia chainfern native 2 0 2 h Asteraceae Compositae Xanthium cocklebur native 9 1 10 h Ranunculaceae Ranunculaceae Xanthorhiza yellowroot native 0 0 0 w Ranunculaceae Xanthorhiza yellowroot native 0 0 0 h Liliaceae Xerophyllum turkeybeard native 0 0 0 h Xyridaceae Xyris yelloweyed native 0 0 0 h Asteraceae Youngia false hawksbeard alien 0 0 0 h Agavaceae Agavaceae Yucca yucca, adam's needle, spanish bayonetnative 4 0 4 h Zannichelliaceae Zannichellia horned pondweed native 0 0 0 h Araceae Araceae Zantedeschia calla lily alien 2 0 2 h Rutaceae Rutaceae Zanthoxylum pricklyash, Chinese pepper native 6 0 6 w Poaceae Gramineae Zea corn,maize alien 107 13 120 h Ulmaceae Zelkova zelkova alien 0 0 0 w Ericaceae Zenobia honeycup native 0 0 0 w Liliaceae Zephyranthes zephyrlily native 0 0 0 h Liliaceae Zigadenus deathcamas native 0 0 0 h Asteraceae Compositae Zinnia zinnia alien 6 1 7 h Poaceae Gramineae Zizania wildrice native 5 0 5 h Poaceae Gramineae Zizaniopsis giant cutgrass, southern wild rice native 3 0 3 h Apiaceae Umbelliferae Zizia meadow alexanders, zizia native 4 0 4 h Fabasceae Zornia vipernia native 0 0 0 h Zosteraceae Zostera eelgrass native 0 0 0 h Poaceae Gramineae Zoysia Korean lawngrass, alien 1 0 1 h Zygophyllaceae Zygophyllum beancaper alien 0 0 0 h

Achnatherum see: Oryzopsis Actinomeris wingstem see:Verbesina Cyperaceae Cyperaceae Bolboschoenus bulrush see: Schoenoplectus (Bolboschoenus is 5 natives, 1 alien) Sapotaceae Bumelia see:Sideroxylon Ranunculaceae Ranunculaceae Cimicifuga black cohosh, bugbane see Actaea; no longer valid name or not in USA Dentaria toothwort See:Cardamine Scrophulariaceae Gerardia see; Agalinis, Aureolaria or Stenandrium Compositae Kuhnia see: Brickellia Solanaceae Solanaceae Lycopersicon garden tomato, peruvian nightshadesee: Solanum Meibomia-- see: Desmodium Myricaceae Myricaceae Morella red bayberry, wax myrtle, northernsee: bayberry Myrica Aquifoliaceae Aquifoliaceae Nemopanthus see: Ilex; old name for Mountain Holly, Ilex mucronata; Ericaceae Oxycoccus cranberry see: Vaccinium Packera see: Senecio Apiaceae Umbelliferae Sphondylium ?eltrot see: Heracleum Plumbaginaceae Statice sealavander see: Limonium Poaceae Gramineae Syntherisma crabgrass see: Digitaria Asteraceae Compositae Thelechitonia creeping-oxeye see: Sphagneticola

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