- Flora of Ohio
This list includes plants native and introduced to the state of
Ohio , designated (N) and (I), respectively. Varieties and subspecies link to their parent species.A
*"Abies balsamea" var. "balsamea" (N)
*"Abutilon theophrasti " (I)
*"Acalypha deamii " (N)
*"Acalypha gracilens " (N)
*"Acalypha ostryifolia " (N)
*"Acalypha rhomboidea " (N)
*"Acalypha virginica " (N)
*"Acer campestre " (I)
*"Acer × freemanii " (N)
*"Acer ginnala " (I)
*"Acer negundo" var. "negundo" (N)
*"Acer negundo" var. "violaceum" (N)
*"Acer nigrum " (N)
*"Acer palmatum " (I)
*"Acer pensylvanicum " (N)
*"Acer platanoides " (I)
*"Acer rubrum" var. "rubrum" (N)
*"Acer rubrum" var. "trilobum" (N)
*"Acer saccharinum " (N)
*"Acer saccharum" var. "saccharum" (N)
*"Acer spicatum " (N)
*"Acer tataricum " (I)
*"Achillea millefolium" var. "occidentalis" (N)
*"Achillea millefolium" var. "millefolium" (I)
*"Achillea ptarmica " (I)
*"Achyranthes japonica" var. "hachijoensis" (I)
*"Acinos arvensis " (I)
*"Aconitum noveboracense " (N)
*"Aconitum uncinatum" ssp. "uncinatum" (N)
*"Acorus americanus " (N)
*"Acorus calamus " (I)
*"Acroptilon repens " (I)
*"Actaea pachypoda " (N)
*"Actaea racemosa" var. "racemosa" (N)
*"Actaea rubra" ssp. "rubra" (N)
*"Actinidia arguta " (I)
*"Adiantum capillus-veneris " (N)
*"Adiantum pedatum " (N)
*"Adlumia fungosa " (N)
*"Aegilops cylindrica " (I)
*"Aegopodium podagraria " (I)
*"Aesculus flava " (N)
*"Aesculus glabra" var. "glabra" (N)
*"Aesculus hippocastanum " (I)
*"Aesculus × marylandica " (N)
*"Aethusa cynapium " (I)
*"Agalinis auriculata " (N)
*"Agalinis gattingeri " (N)
*"Agalinis paupercula" var. "borealis" (N)
*"Agalinis paupercula" var. "paupercula" (N)
*"Agalinis purpurea " (N)
*"Agalinis skinneriana " (N)
*"Agalinis tenuifolia" var. "macrophylla" (N)
*"Agalinis tenuifolia" var. "parviflora" (N)
*"Agalinis tenuifolia" var. "tenuifolia" (N)
*"Agastache nepetoides " (N)
*"Agastache scrophulariifolia " (N)
*"Ageratina altissima" var. "altissima" (N)
*"Ageratina aromatica" var. "aromatica" (N)
*"Agrimonia eupatoria " (I)
*"Agrimonia gryposepala " (N)
*"Agrimonia microcarpa " (N)
*"Agrimonia parviflora " (N)
*"Agrimonia pubescens " (N)
*"Agrimonia rostellata " (N)
*"Agrimonia striata " (N)
*"Agropyron desertorum " (I)
*"Agrostemma githago " (I)
*"Agrostis avenacea " (I)
*"Agrostis capillaris " (I)
*"Agrostis elliottiana " (N)
*"Agrostis gigantea " (I)
*"Agrostis hyemalis " (N)
*"Agrostis perennans " (N)
*"Agrostis scabra " (N)
*"Agrostis stolonifera " (I)
*"Ailanthus altissima " (I)
*"Aira caryophyllea" var. "caryophyllea" (I)
*"Ajuga genevensis " (I)
*"Ajuga reptans " (I)
*"Akebia quinata " (I)
*"Albizia julibrissin " (I)
*"Alcea rosea " (I)
*"Aletris farinosa " (N)
*"Alisma subcordatum " (N)
*"Alisma triviale " (N)
*"Alliaria petiolata " (I)
*"Allium ampeloprasum " (I)
*"Allium burdickii " (N)
*"Allium canadense" var. "canadense" (N)
*"Allium cepa " (I)
*"Allium cernuum" var. "cernuum" (N)
*"Allium porrum " (I)
*"Allium sativum " (I)
*"Allium schoenoprasum " (I)
*"Allium schoenoprasum" var. "sibiricum" (N)
*"Allium tricoccum " (N)
*"Allium vineale" ssp. "vineale" (I)
*"Alnus × fallacina " (N)
*"Alnus glutinosa " (I)
*"Alnus incana" ssp. "rugosa" (N)
*"Alnus serrulata " (N)
*"Alopecurus aequalis" var. "aequalis" (N)
*"Alopecurus carolinianus " (N)
*"Alopecurus geniculatus" var. "geniculatus" (I)
*"Alopecurus myosuroides " (I)
*"Alopecurus myosuroides " (N)
*"Alopecurus pratensis " (I)
*"Althaea officinalis " (I)
*"Alyssum alyssoides " (I)
*"Amaranthus albus " (I)
*"Amaranthus blitoides " (I)
*"Amaranthus blitum" var. "emarginatus" (I)
*"Amaranthus cruentus " (I)
*"Amaranthus deflexus " (I)
*"Amaranthus hybridus " (N)
*"Amaranthus palmeri " (N)
*"Amaranthus powellii" ssp. "powellii" (N)
*"Amaranthus retroflexus " (N)
*"Amaranthus spinosus " (N)
*"Amaranthus tuberculatus " (N)
*"Ambrosia artemisiifolia" var. "elatior" (N)
*"Ambrosia artemisiifolia" var. "elatior" (I)
*"Ambrosia bidentata " (N)
*"Ambrosia × helenae " (N)
*"Ambrosia trifida" var. "trifida" (N)
*"Amelanchier arborea" var. "arborea" (N)
*"Amelanchier interior " (N)
*"Amelanchier laevis " (N)
*"Amelanchier sanguinea" var. "sanguinea" (N)
*"Amelanchier stolonifera " (N)
*"Ammannia coccinea " (N)
*"Ammannia robusta " (N)
*"Ammophila breviligulata " (N)
*"Amorpha fruticosa " (N)
*"Ampelopsis aconitifolia " (I)
*"Ampelopsis arborea " (N)
*"Ampelopsis brevipedunculata " (I)
*"Ampelopsis cordata " (N)
*"Amphiachyris dracunculoides " (N)
*"Amphicarpaea bracteata" var. "bracteata" (N)
*"Amphicarpaea bracteata" var. "comosa" (N)
*"Amsinckia lycopsoides " (N)
*"Amsonia tabernaemontana" var. "salicifolia" (N)
*"Anagallis arvensis" ssp. "foemina" (N)
*"Anagallis arvensis" ssp. "arvensis" (I)
*"Anagallis arvensis" ssp. "foemina" (I)
*"Anagallis minima " (N)
*"Anaphalis margaritacea " (N)
*"Anchusa arvensis " (I)
*"Anchusa azurea " (I)
*"Anchusa officinalis " (I)
*"Andromeda polifolia" var. "glaucophylla" (N)
*"Andropogon gerardii " (N)
*"Andropogon glomeratus" var. "glomeratus" (N)
*"Andropogon gyrans" var. "gyrans" (N)
*"Andropogon virginicus" var. "virginicus" (N)
*"Androsace occidentalis " (N)
*"Anemone blanda " (I)
*"Anemone canadensis " (N)
*"Anemone cylindrica " (N)
*"Anemone quinquefolia" var. "bifolia" (N)
*"Anemone quinquefolia" var. "quinquefolia" (N)
*"Anemone virginiana" var. "virginiana" (N)
*"Anethum graveolens " (I)
*"Angelica atropurpurea " (N)
*"Angelica venenosa " (N)
*"Anoda cristata " (N)
*"Antennaria howellii" ssp. "canadensis" (N)
*"Antennaria howellii" ssp. "neodioica" (N)
*"Antennaria howellii" ssp. "petaloidea" (N)
*"Antennaria neglecta " (N)
*"Antennaria parlinii" ssp. "fallax" (N)
*"Antennaria parlinii" ssp. "parlinii" (N)
*"Antennaria plantaginifolia " (N)
*"Antennaria solitaria " (N)
*"Antennaria virginica " (N)
*"Anthemis arvensis " (I)
*"Anthemis cotula " (I)
*"Anthemis tinctoria " (I)
*"Anthoxanthum aristatum " (I)
*"Anthoxanthum odoratum" ssp. "odoratum" (I)
*"Anthriscus caucalis " (I)
*"Anthriscus sylvestris " (I)
*"Anthyllis vulneraria " (I)
*"Antirrhinum majus " (I)
*"Apera interrupta " (I)
*"Apera spica-venti " (I)
*"Apios americana " (N)
*"Apium graveolens" var. "dulce" (N)
*"Apium graveolens" var. "dulce" (I)
*"Aplectrum hyemale " (N)
*"Apocynum androsaemifolium " (N)
*"Apocynum cannabinum " (N)
*"Apocynum × floribundum " (N)
*"Aquilegia canadensis " (N)
*"Aquilegia vulgaris " (I)
*"Arabidopsis thaliana " (I)
*"Arabis canadensis " (N)
*"Arabis × divaricarpa " (N)
*"Arabis drummondii " (N)
*"Arabis glabra " (N)
*"Arabis hirsuta" var. "pycnocarpa" (N)
*"Arabis laevigata" var. "laevigata" (N)
*"Arabis lyrata " (N)
*"Arabis missouriensis " (N)
*"Arabis patens " (N)
*"Arabis shortii " (N)
*"Aralia elata " (I)
*"Aralia hispida " (N)
*"Aralia nudicaulis " (N)
*"Aralia racemosa" ssp. "racemosa" (N)
*"Aralia spinosa " (N)
*"Arctium lappa " (I)
*"Arctium minus " (I)
*"Arctostaphylos uva-ursi " (N)
*"Arenaria serpyllifolia " (I)
*"Arethusa bulbosa " (N)
*"Argemone albiflora" ssp. "albiflora" (N)
*"Argemone mexicana " (N)
*"Argentina anserina " (N)
*"Arisaema dracontium " (N)
*"Arisaema triphyllum" ssp. "pusillum" (N)
*"Arisaema triphyllum" ssp. "stewardsonii" (N)
*"Arisaema triphyllum" ssp. "triphyllum" (N)
*"Aristida dichotoma" var. "dichotoma" (N)
*"Aristida longespica" var. "geniculata" (N)
*"Aristida longespica" var. "longespica" (N)
*"Aristida oligantha " (N)
*"Aristida purpurascens" var. "purpurascens" (N)
*"Aristida ramosissima " (N)
*"Aristolochia clematitis " (I)
*"Aristolochia serpentaria " (N)
*"Aristolochia tomentosa " (N)
*"Armoracia rusticana " (I)
*"Arnoglossum atriplicifolium " (N)
*"Arnoglossum plantagineum " (N)
*"Arnoglossum reniforme " (N)
*"Arnoseris minima " (I)
*"Arrhenatherum elatius" var. "elatius" (I)
*"Artemisia absinthium " (I)
*"Artemisia annua " (I)
*"Artemisia biennis " (N)
*"Artemisia biennis" var. "biennis" (I)
*"Artemisia campestris" ssp. "borealis" var. "borealis" (N)
*"Artemisia campestris" ssp. "caudata" (N)
*"Artemisia gmelinii " (I)
*"Artemisia ludoviciana" ssp. "albula" (N)
*"Artemisia ludoviciana" ssp. "ludoviciana" (N)
*"Artemisia pontica " (I)
*"Artemisia stelleriana " (I)
*"Artemisia stelleriana " (N)
*"Artemisia vulgaris " (N)
*"Artemisia vulgaris" var. "vulgaris" (I)
*"Arthraxon hispidus " (I)
*"Aruncus dioicus " (I)
*"Aruncus dioicus" var. "dioicus" (N)
*"Arundinaria gigantea" ssp. "gigantea" (N)
*"Asarum canadense " (N)
*"Asclepias amplexicaulis " (N)
*"Asclepias exaltata " (N)
*"Asclepias hirtella " (N)
*"Asclepias incarnata" ssp. "incarnata" (N)
*"Asclepias purpurascens " (N)
*"Asclepias quadrifolia " (N)
*"Asclepias sullivantii " (N)
*"Asclepias syriaca " (N)
*"Asclepias tuberosa" ssp. "interior" (N)
*"Asclepias tuberosa" ssp. "tuberosa" (N)
*"Asclepias variegata " (N)
*"Asclepias verticillata " (N)
*"Asclepias viridiflora " (N)
*"Asclepias viridis " (N)
*"Asimina triloba " (N)
*"Asparagus officinalis " (I)
*"Asperugo procumbens " (I)
*"Asplenium bradleyi " (N)
*"Asplenium × clermontiae " (N)
*"Asplenium × ebenoides " (N)
*"Asplenium × gravesii " (N)
*"Asplenium × inexpectatum " (N)
*"Asplenium × kentuckiense " (N)
*"Asplenium montanum " (N)
*"Asplenium pinnatifidum " (N)
*"Asplenium platyneuron" var. "platyneuron" (N)
*"Asplenium resiliens " (N)
*"Asplenium rhizophyllum " (N)
*"Asplenium ruta-muraria" var. "cryptolepis" (N)
*"Asplenium ruta-muraria" var. "lanceolum" (N)
*"Asplenium trichomanes" ssp. "quadrivalens" (N)
*"Asplenium trichomanes" ssp. "trichomanes" (N)
*"Asplenium × trudellii " (N)
*"Aster tataricus " (I)
*"Astragalus canadensis" var. "canadensis" (N)
*"Astragalus neglectus " (N)
*"Athyrium filix-femina" ssp. "angustum" (N)
*"Athyrium filix-femina" ssp. "asplenioides" (N)
*"Atriplex hortensis " (I)
*"Atriplex patula " (I)
*"Atriplex prostrata " (N)
*"Atriplex rosea " (I)
*"Aureolaria flava" var. "flava" (N)
*"Aureolaria flava" var. "macrantha" (N)
*"Aureolaria laevigata " (N)
*"Aureolaria pedicularia" var. "ambigens" (N)
*"Aureolaria pedicularia" var. "pedicularia" (N)
*"Aureolaria virginica " (N)
*"Aurinia saxatilis " (I)
*"Avena fatua " (I)
*"Avena sativa " (I)
*"Azolla caroliniana " (N)B
*"Ballota nigra" var. "alba" (I)
*"Baptisia alba" var. "macrophylla" (N)
*"Baptisia australis" var. "australis" (N)
*"Baptisia tinctoria " (N)
*"Barbarea verna " (I)
*"Barbarea vulgaris " (I)
*"Bartonia virginica " (N)
*"Bassia hirsuta " (I)
*"Bassia scoparia " (I)
*"Beckmannia syzigachne " (N)
*"Belamcanda chinensis " (I)
*"Bellis perennis " (I)
*"Berberis × ottawensis " (N)
*"Berberis thunbergii " (I)
*"Berberis vulgaris " (I)
*"Berteroa incana " (I)
*"Besseya bullii " (N)
*"Betula alleghaniensis" var. "alleghaniensis" (N)
*"Betula alleghaniensis" var. "macrolepis" (N)
*"Betula lenta " (N)
*"Betula nigra " (N)
*"Betula papyrifera" var. "papyrifera" (N)
*"Betula pendula " (I)
*"Betula populifolia " (N)
*"Betula pubescens " (N)
*"Betula pubescens" ssp. "pubescens" (I)
*"Betula pumila" var. "pumila" (N)
*"Betula × purpusii " (N)
*"Bidens aristosa " (N)
*"Bidens beckii " (N)
*"Bidens bipinnata " (N)
*"Bidens cernua " (N)
*"Bidens connata " (N)
*"Bidens coronata " (N)
*"Bidens discoidea " (N)
*"Bidens frondosa " (N)
*"Bidens laevis " (N)
*"Bidens tripartita " (N)
*"Bidens vulgata " (N)
*"Bignonia capreolata " (N)
*"Blephilia ciliata " (N)
*"Blephilia hirsuta" var. "hirsuta" (N)
*"Boehmeria cylindrica " (N)
*"Boltonia asteroides" var. "recognita" (N)
*"Borago officinalis " (I)
*"Botrychium biternatum " (N)
*"Botrychium dissectum " (N)
*"Botrychium lanceolatum" var. "angustisegmentum" (N)
*"Botrychium matricariifolium " (N)
*"Botrychium multifidum " (N)
*"Botrychium oneidense " (N)
*"Botrychium simplex " (N)
*"Botrychium virginianum " (N)
*"Bouteloua curtipendula" var. "curtipendula" (N)
*"Bouteloua gracilis " (N)
*"Bouteloua hirsuta" var. "hirsuta" (N)
*"Brachyelytrum erectum " (N)
*"Brasenia schreberi " (N)
*"Brassica juncea " (I)
*"Brassica napus " (I)
*"Brassica nigra " (I)
*"Brassica oleracea " (I)
*"Brassica rapa" var. "amplexicaulis" (I)
*"Brassica rapa" var. "rapa" (I)
*"Brickellia eupatorioides" var. "corymbulosa" (N)
*"Brickellia eupatorioides" var. "eupatorioides" (N)
*"Bromus arvensis " (I)
*"Bromus briziformis " (I)
*"Bromus catharticus " (I)
*"Bromus ciliatus" var. "ciliatus" (N)
*"Bromus erectus " (I)
*"Bromus hordeaceus" ssp. "hordeaceus" (I)
*"Bromus inermis " (N)
*"Bromus inermis" ssp. "inermis" var. "inermis" (I)
*"Bromus kalmii " (N)
*"Bromus latiglumis " (N)
*"Bromus nottowayanus " (N)
*"Bromus pubescens " (N)
*"Bromus racemosus " (I)
*"Bromus secalinus" var. "secalinus" (I)
*"Bromus sterilis " (I)
*"Bromus tectorum " (I)
*"Broussonetia papyrifera " (I)
*"Browallia americana " (I)
*"Brunnera macrophylla " (I)
*"Buchnera americana " (N)
*"Buddleja davidii " (I)
*"Buglossoides arvensis " (I)
*"Bulbostylis capillaris" ssp. "capillaris" (N)
*"Bunias orientalis " (I)
*"Bupleurum lancifolium " (I)
*"Bupleurum rotundifolium " (I)
*"Butomus umbellatus " (I)
*"Buxus sempervirens " (I)C
*"Cabomba caroliniana" var. "caroliniana" (N)
*"Cakile edentula" ssp. "edentula" var. "lacustris" (N)
*"Cakile edentula" ssp. "edentula" (N)
*"Calamagrostis canadensis" var. "canadensis" (N)
*"Calamagrostis canadensis" var. "macouniana" (N)
*"Calamagrostis coarctata " (N)
*"Calamagrostis porteri" ssp. "insperata" (N)
*"Calamagrostis stricta" ssp. "inexpansa" (N)
*"Calamovilfa longifolia" var. "magna" (N)
*"Calendula officinalis " (I)
*"Calla palustris " (N)
*"Callitriche heterophylla" ssp. "heterophylla" (N)
*"Callitriche palustris " (N)
*"Callitriche terrestris " (N)
*"Calluna vulgaris " (I)
*"Calopogon tuberosus" var. "tuberosus" (N)
*"Caltha palustris" var. "palustris" (N)
*"Calycanthus floridus" var. "glaucus" (N)
*"Calystegia hederacea " (I)
*"Calystegia sepium" ssp. "americana" (N)
*"Calystegia sepium" ssp. "angulata" (N)
*"Calystegia sepium" ssp. "sepium" (I)
*"Calystegia silvatica " (I)
*"Calystegia silvatica" ssp. "fraterniflora" (N)
*"Calystegia spithamaea" ssp. "spithamaea" (N)
*"Camassia scilloides " (N)
*"Camelina microcarpa " (I)
*"Camelina sativa" ssp. "sativa" (I)
*"Campanula aparinoides " (N)
*"Campanula rapunculoides " (I)
*"Campanula rotundifolia " (N)
*"Campanula trachelium " (I)
*"Campanulastrum americanum " (N)
*"Campsis radicans " (N)
*"Cannabis sativa" ssp. "sativa" var. "sativa" (I)
*"Capsella bursa-pastoris " (I)
*"Cardamine angustata " (N)
*"Cardamine bulbifera " (I)
*"Cardamine bulbosa " (N)
*"Cardamine concatenata " (N)
*"Cardamine diphylla " (N)
*"Cardamine dissecta " (N)
*"Cardamine douglassii " (N)
*"Cardamine flexuosa " (I)
*"Cardamine hirsuta " (I)
*"Cardamine impatiens " (I)
*"Cardamine maxima " (N)
*"Cardamine parviflora" var. "arenicola" (N)
*"Cardamine pensylvanica " (N)
*"Cardamine pratensis" var. "pratensis" (N)
*"Cardamine rotundifolia " (N)
*"Cardaria draba " (I)
*"Cardiospermum halicacabum " (I)
*"Carduus acanthoides " (I)
*"Carduus crispus " (I)
*"Carduus nutans " (I)
*"Carex aggregata " (N)
*"Carex alata " (N)
*"Carex albicans" var. "albicans" (N)
*"Carex albicans" var. "emmonsii" (N)
*"Carex albolutescens " (N)
*"Carex albursina " (N)
*"Carex alopecoidea " (N)
*"Carex amphibola " (N)
*"Carex annectens " (N)
*"Carex appalachica " (N)
*"Carex aquatilis" var. "aquatilis" (N)
*"Carex arctata " (N)
*"Carex argyrantha " (N)
*"Carex atherodes " (N)
*"Carex atlantica" ssp. "atlantica" (N)
*"Carex atlantica" ssp. "capillacea" (N)
*"Carex aurea " (N)
*"Carex bebbii " (N)
*"Carex bicknellii " (N)
*"Carex blanda " (N)
*"Carex brevior " (N)
*"Carex bromoides" ssp. "bromoides" (N)
*"Carex brunnescens" ssp. "sphaerostachya" (N)
*"Carex bushii " (N)
*"Carex buxbaumii " (N)
*"Carex canescens" ssp. "canescens" (N)
*"Carex canescens" ssp. "disjuncta" (N)
*"Carex careyana " (N)
*"Carex caroliniana " (N)
*"Carex cephaloidea " (N)
*"Carex cephalophora " (N)
*"Carex communis" var. "communis" (N)
*"Carex comosa " (N)
*"Carex conjuncta " (N)
*"Carex conoidea " (N)
*"Carex crawei " (N)
*"Carex crinita" var. "brevicrinis" (N)
*"Carex crinita" var. "crinita" (N)
*"Carex cristatella " (N)
*"Carex crus-corvi " (N)
*"Carex cryptolepis " (N)
*"Carex cumberlandensis " (N)
*"Carex davisii " (N)
*"Carex debilis" var. "debilis" (N)
*"Carex debilis" var. "rudgei" (N)
*"Carex decomposita " (N)
*"Carex deweyana" var. "deweyana" (N)
*"Carex diandra " (N)
*"Carex digitalis" var. "digitalis" (N)
*"Carex disperma " (N)
*"Carex eburnea " (N)
*"Carex echinata" ssp. "echinata" (N)
*"Carex emoryi " (N)
*"Carex festucacea " (N)
*"Carex flava " (N)
*"Carex folliculata " (N)
*"Carex formosa " (N)
*"Carex frankii " (N)
*"Carex garberi " (N)
*"Carex glaucodea " (N)
*"Carex gracilescens " (N)
*"Carex gracillima " (N)
*"Carex granularis " (N)
*"Carex grayi " (N)
*"Carex grisea " (N)
*"Carex gynandra " (N)
*"Carex haydenii " (N)
*"Carex hirsutella " (N)
*"Carex hirtifolia " (N)
*"Carex hitchcockiana " (N)
*"Carex hyalinolepis " (N)
*"Carex hystericina " (N)
*"Carex interior " (N)
*"Carex intumescens " (N)
*"Carex jamesii " (N)
*"Carex juniperorum " (N)
*"Carex lacustris " (N)
*"Carex laevivaginata " (N)
*"Carex lasiocarpa" var. "americana" (N)
*"Carex laxiculmis" var. "copulata" (N)
*"Carex laxiculmis" var. "laxiculmis" (N)
*"Carex laxiflora" var. "laxiflora" (N)
*"Carex leavenworthii " (N)
*"Carex leptalea" ssp. "leptalea" (N)
*"Carex leptonervia " (N)
*"Carex limosa " (N)
*"Carex longii " (N)
*"Carex louisianica " (N)
*"Carex lucorum" var. "lucorum" (N)
*"Carex lupuliformis " (N)
*"Carex lupulina " (N)
*"Carex lurida " (N)
*"Carex magellanica" ssp. "irrigua" (N)
*"Carex meadii " (N)
*"Carex merritt-fernaldii " (N)
*"Carex mesochorea " (N)
*"Carex molesta " (N)
*"Carex muehlenbergii" var. "enervis" (N)
*"Carex muehlenbergii" var. "muehlenbergii" (N)
*"Carex muskingumensis " (N)
*"Carex nigromarginata " (N)
*"Carex normalis " (N)
*"Carex oligocarpa " (N)
*"Carex oligosperma" var. "oligosperma" (N)
*"Carex pallescens " (N)
*"Carex peckii " (N)
*"Carex pedunculata " (N)
*"Carex pellita " (N)
*"Carex pensylvanica " (N)
*"Carex planispicata " (N)
*"Carex plantaginea " (N)
*"Carex platyphylla " (N)
*"Carex praegracilis " (N)
*"Carex prairea " (N)
*"Carex prasina " (N)
*"Carex projecta " (N)
*"Carex pseudocyperus " (N)
*"Carex purpurifera " (N)
*"Carex radiata " (N)
*"Carex retroflexa " (N)
*"Carex retrorsa " (N)
*"Carex richardsonii " (N)
*"Carex rosea " (N)
*"Carex sartwellii" var. "sartwellii" (N)
*"Carex scabrata " (N)
*"Carex scoparia" var. "scoparia" (N)
*"Carex seorsa " (N)
*"Carex shortiana " (N)
*"Carex siccata " (N)
*"Carex sparganioides " (N)
*"Carex spicata " (I)
*"Carex sprengelii " (N)
*"Carex squarrosa " (N)
*"Carex sterilis " (N)
*"Carex stipata" var. "maxima" (N)
*"Carex stipata" var. "stipata" (N)
*"Carex straminea " (N)
*"Carex striatula " (N)
*"Carex stricta " (N)
*"Carex styloflexa " (N)
*"Carex suberecta " (N)
*"Carex × subimpressa " (N)
*"Carex × sullivantii " (N)
*"Carex swanii " (N)
*"Carex tenera " (N)
*"Carex tenuiflora " (N)
*"Carex tetanica " (N)
*"Carex texensis " (N)
*"Carex timida " (N)
*"Carex tonsa" var. "rugosperma" (N)
*"Carex torta " (N)
*"Carex tribuloides" var. "tribuloides" (N)
*"Carex trichocarpa " (N)
*"Carex trisperma" var. "trisperma" (N)
*"Carex tuckermanii " (N)
*"Carex typhina " (N)
*"Carex umbellata " (N)
*"Carex utriculata " (N)
*"Carex vesicaria" var. "monile" (N)
*"Carex virescens " (N)
*"Carex viridula" ssp. "viridula" (N)
*"Carex vulpinoidea" var. "vulpinoidea" (N)
*"Carex willdenowii " (N)
*"Carex woodii " (N)
*"Carpinus caroliniana" ssp. "virginiana" (N)
*"Carthamus tinctorius " (I)
*"Carum carvi " (I)
*"Carya alba " (N)
*"Carya × brownii " (N)
*"Carya cordiformis " (N)
*"Carya glabra " (N)
*"Carya illinoinensis " (N)
*"Carya laciniosa " (N)
*"Carya ovalis " (N)
*"Carya ovata " (N)
*"Castanea dentata " (N)
*"Castanea pumila" var. "pumila" (N)
*"Castilleja coccinea " (N)
*"Catalpa bignonioides " (N)
*"Catalpa ovata " (I)
*"Catalpa speciosa " (N)
*"Caulophyllum giganteum " (N)
*"Caulophyllum thalictroides " (N)
*"Ceanothus americanus " (N)
*"Ceanothus herbaceus " (N)
*"Celastrus orbiculatus " (I)
*"Celastrus scandens " (N)
*"Celosia argentea " (I)
*"Celtis occidentalis " (N)
*"Celtis tenuifolia " (N)
*"Cenchrus longispinus " (N)
*"Centaurea cyanus " (I)
*"Centaurea diffusa " (I)
*"Centaurea jacea " (I)
*"Centaurea nigra " (I)
*"Centaurea nigrescens " (I)
*"Centaurea phrygia " (I)
*"Centaurea scabiosa " (I)
*"Centaurea solstitialis " (I)
*"Centaurea stoebe" ssp. "micranthos" (I)
*"Centaurea transalpina " (N)
*"Centaurium erythraea " (I)
*"Centaurium pulchellum " (I)
*"Centella erecta " (N)
*"Cephalanthus occidentalis " (N)
*"Cerastium arvense " (I)
*"Cerastium arvense" ssp. "strictum" (N)
*"Cerastium arvense" ssp. "velutinum" var. "velutinum" (N)
*"Cerastium arvense" ssp. "velutinum" (N)
*"Cerastium brachypetalum " (I)
*"Cerastium dubium " (I)
*"Cerastium fontanum" ssp. "vulgare" (I)
*"Cerastium glomeratum " (I)
*"Cerastium nutans" var. "nutans" (N)
*"Cerastium pumilum " (I)
*"Cerastium semidecandrum " (I)
*"Cerastium tomentosum " (I)
*"Ceratocephala testiculata " (I)
*"Ceratophyllum demersum " (N)
*"Ceratophyllum echinatum " (N)
*"Cercidiphyllum japonicum " (I)
*"Cercis canadensis" var. "canadensis" (N)
*"Chaenomeles speciosa " (I)
*"Chaenorhinum minus " (I)
*"Chaerophyllum procumbens" var. "procumbens" (N)
*"Chaerophyllum procumbens" var. "shortii" (N)
*"Chaerophyllum tainturieri" var. "tainturieri" (N)
*"Chaiturus marrubiastrum " (I)
*"Chamaecrista fasciculata" var. "fasciculata" (N)
*"Chamaecrista nictitans" ssp. "nictitans" var. "nictitans" (N)
*"Chamaecrista nictitans" ssp. "nictitans" (N)
*"Chamaedaphne calyculata " (N)
*"Chamaelirium luteum " (N)
*"Chamaemelum mixtum " (I)
*"Chamaemelum nobile " (I)
*"Chamaesyce humistrata " (N)
*"Chamaesyce maculata " (N)
*"Chamaesyce nutans " (N)
*"Chamaesyce polygonifolia " (N)
*"Chamaesyce prostrata " (N)
*"Chamaesyce serpens " (N)
*"Chamaesyce vermiculata " (N)
*"Chamerion angustifolium" ssp. "circumvagum" (N)
*"Chasmanthium latifolium " (N)
*"Chelidonium majus" var. "majus" (I)
*"Chelone glabra " (N)
*"Chenopodium album" var. "missouriense" (N)
*"Chenopodium album" var. "album" (I)
*"Chenopodium ambrosioides" var. "ambrosioides" (I)
*"Chenopodium berlandieri" var. "bushianum" (N)
*"Chenopodium berlandieri" var. "zschackii" (N)
*"Chenopodium botrys " (I)
*"Chenopodium capitatum " (N)
*"Chenopodium glaucum " (I)
*"Chenopodium glaucum " (N)
*"Chenopodium humile " (I)
*"Chenopodium humile " (N)
*"Chenopodium incanum" var. "incanum" (N)
*"Chenopodium murale " (I)
*"Chenopodium polyspermum" var. "acutifolium" (I)
*"Chenopodium pratericola " (N)
*"Chenopodium pumilio " (I)
*"Chenopodium simplex " (N)
*"Chenopodium standleyanum " (N)
*"Chenopodium subglabrum " (N)
*"Chenopodium urbicum " (I)
*"Chenopodium vulvaria " (I)
*"Chimaphila maculata " (N)
*"Chimaphila umbellata" ssp. "cisatlantica" (N)
*"Chionanthus virginicus " (N)
*"Chloris verticillata " (N)
*"Chloris virgata " (N)
*"Chorispora tenella " (I)
*"Chrysanthemum × morifolium " (I)
*"Chrysogonum virginianum" var. "virginianum" (N)
*"Chrysopsis mariana " (N)
*"Chrysosplenium americanum " (N)
*"Cichorium intybus " (I)
*"Cicuta bulbifera " (N)
*"Cicuta maculata" var. "maculata" (N)
*"Cinna arundinacea " (N)
*"Cinna latifolia " (N)
*"Circaea alpina" ssp. "alpina" (N)
*"Circaea × intermedia " (N)
*"Circaea lutetiana" ssp. "canadensis" (N)
*"Cirsium altissimum " (N)
*"Cirsium arvense " (I)
*"Cirsium canescens " (N)
*"Cirsium carolinianum " (N)
*"Cirsium discolor " (N)
*"Cirsium muticum " (N)
*"Cirsium pumilum " (N)
*"Cirsium vulgare " (I)
*"Citrullus lanatus" var. "lanatus" (I)
*"Cladium mariscoides " (N)
*"Cladrastis kentukea " (N)
*"Clarkia pulchella " (N)
*"Claytonia caroliniana" var. "caroliniana" (N)
*"Claytonia virginica" var. "virginica" (N)
*"Clematis occidentalis" var. "occidentalis" (N)
*"Clematis terniflora " (I)
*"Clematis viorna " (N)
*"Clematis virginiana " (N)
*"Cleome hassleriana " (I)
*"Cleome serrulata " (N)
*"Clinopodium arkansanum " (N)
*"Clinopodium vulgare " (N)
*"Clintonia borealis " (N)
*"Clintonia umbellulata " (N)
*"Clitoria mariana " (N)
*"Coix lacryma-jobi " (I)
*"Collinsia verna " (N)
*"Collinsonia canadensis " (N)
*"Collinsonia verticillata " (N)
*"Collomia linearis " (N)
*"Colutea arborescens " (I)
*"Comandra umbellata" ssp. "umbellata" (N)
*"Comarum palustre " (N)
*"Commelina communis " (I)
*"Commelina diffusa" var. "diffusa" (N)
*"Commelina virginica " (N)
*"Comptonia peregrina " (N)
*"Conioselinum chinense " (N)
*"Conium maculatum " (I)
*"Conoclinium coelestinum " (N)
*"Conopholis americana " (N)
*"Conringia orientalis " (I)
*"Consolida ajacis " (I)
*"Consolida regalis " (I)
*"Convallaria majalis " (I)
*"Convolvulus arvensis " (I)
*"Conyza canadensis" var. "canadensis" (N)
*"Conyza canadensis" var. "pusilla" (N)
*"Conyza ramosissima " (N)
*"Coptis trifolia " (N)
*"Corallorhiza maculata" var. "maculata" (N)
*"Corallorhiza odontorhiza" var. "odontorhiza" (N)
*"Corallorhiza trifida " (N)
*"Corallorhiza wisteriana " (N)
*"Coreopsis grandiflora" var. "harveyana" (N)
*"Coreopsis lanceolata " (N)
*"Coreopsis major " (N)
*"Coreopsis tinctoria" var. "tinctoria" (N)
*"Coreopsis tripteris " (N)
*"Coreopsis verticillata " (N)
*"Coriandrum sativum " (I)
*"Corispermum americanum" var. "americanum" (N)
*"Corispermum pallasii " (I)
*"Corispermum pallasii " (N)
*"Cornus alternifolia " (N)
*"Cornus amomum " (N)
*"Cornus × arnoldiana " (N)
*"Cornus canadensis " (N)
*"Cornus drummondii " (N)
*"Cornus florida " (N)
*"Cornus obliqua " (N)
*"Cornus racemosa " (N)
*"Cornus rugosa " (N)
*"Cornus sericea" ssp. "sericea" (N)
*"Coronilla scorpioides " (I)
*"Coronopus didymus " (I)
*"Corydalis aurea " (N)
*"Corydalis flavula " (N)
*"Corydalis sempervirens " (N)
*"Corylus americana " (N)
*"Corylus cornuta" var. "cornuta" (N)
*"Cosmos bipinnatus " (I)
*"Cotinus coggygria " (I)
*"Cotoneaster divaricatus " (I)
*"Cotoneaster simonsii " (I)
*"Crataegus × anomala " (N)
*"Crataegus apiomorpha " (N)
*"Crataegus arborea " (N)
*"Crataegus ater " (N)
*"Crataegus beata " (N)
*"Crataegus brainerdii " (N)
*"Crataegus calpodendron " (N)
*"Crataegus chrysocarpa" var. "chrysocarpa" (N)
*"Crataegus coleae " (N)
*"Crataegus compacta " (N)
*"Crataegus compta " (N)
*"Crataegus corusca " (N)
*"Crataegus crus-galli " (N)
*"Crataegus disperma " (N)
*"Crataegus dissona " (N)
*"Crataegus engelmannii " (N)
*"Crataegus flabellata " (N)
*"Crataegus holmesiana " (N)
*"Crataegus × hudsonica " (N)
*"Crataegus × immanis " (N)
*"Crataegus indicens " (N)
*"Crataegus intricata " (N)
*"Crataegus iracunda " (N)
*"Crataegus irrasa " (N)
*"Crataegus jesupii " (N)
*"Crataegus lucorum " (N)
*"Crataegus macrosperma " (N)
*"Crataegus margarettiae " (N)
*"Crataegus mollis " (N)
*"Crataegus monogyna " (I)
*"Crataegus nitida " (N)
*"Crataegus pedicellata " (N)
*"Crataegus pennsylvanica " (N)
*"Crataegus persimilis " (N)
*"Crataegus phaenopyrum " (N)
*"Crataegus pringlei " (N)
*"Crataegus prona " (N)
*"Crataegus pruinosa " (N)
*"Crataegus punctata " (N)
*"Crataegus scabrida " (N)
*"Crataegus schuettei " (N)
*"Crataegus submollis " (N)
*"Crataegus suborbiculata " (N)
*"Crataegus succulenta " (N)
*"Crataegus tanuphylla " (N)
*"Crataegus uniflora " (N)
*"Crepis biennis " (I)
*"Crepis capillaris " (I)
*"Crepis nicaeensis " (I)
*"Crepis pulchra " (I)
*"Crepis setosa " (I)
*"Crepis tectorum " (I)
*"Crotalaria sagittalis " (N)
*"Croton capitatus" var. "capitatus" (N)
*"Croton glandulosus" var. "septentrionalis" (N)
*"Croton monanthogynus " (N)
*"Cruciata pedemontana " (I)
*"Crypsis schoenoides " (I)
*"Cryptotaenia canadensis " (N)
*"Cucumis melo " (I)
*"Cucumis sativus " (I)
*"Cucurbita foetidissima " (N)
*"Cucurbita maxima " (I)
*"Cucurbita pepo " (N)
*"Cucurbita pepo" var. "pepo" (I)
*"Cunila origanoides " (N)
*"Cuphea viscosissima " (N)
*"Cuscuta cephalanthi " (N)
*"Cuscuta compacta" var. "compacta" (N)
*"Cuscuta coryli " (N)
*"Cuscuta epilinum " (I)
*"Cuscuta epithymum " (I)
*"Cuscuta glomerata " (N)
*"Cuscuta gronovii" var. "gronovii" (N)
*"Cuscuta pentagona" var. "pentagona" (N)
*"Cuscuta polygonorum " (N)
*"Cuscuta suaveolens " (I)
*"Cyclachaena xanthifolia " (N)
*"Cycloloma atriplicifolium " (N)
*"Cydonia oblonga " (I)
*"Cymbalaria muralis " (I)
*"Cynanchum laeve " (N)
*"Cynanchum louiseae " (I)
*"Cynodon dactylon " (I)
*"Cynoglossum officinale " (I)
*"Cynoglossum virginianum" var. "boreale" (N)
*"Cynoglossum virginianum" var. "virginianum" (N)
*"Cynosurus cristatus " (I)
*"Cynosurus echinatus " (I)
*"Cyperus acuminatus " (N)
*"Cyperus amuricus " (I)
*"Cyperus bipartitus " (N)
*"Cyperus compressus " (N)
*"Cyperus diandrus " (N)
*"Cyperus echinatus " (N)
*"Cyperus erythrorhizos " (N)
*"Cyperus esculentus " (N)
*"Cyperus esculentus" var. "leptostachyus" (I)
*"Cyperus flavescens " (N)
*"Cyperus houghtonii " (N)
*"Cyperus iria " (I)
*"Cyperus lancastriensis " (N)
*"Cyperus lupulinus" ssp. "lupulinus" (N)
*"Cyperus lupulinus" ssp. "macilentus" (N)
*"Cyperus odoratus " (N)
*"Cyperus refractus " (N)
*"Cyperus retrofractus " (N)
*"Cyperus schweinitzii " (N)
*"Cyperus squarrosus " (N)
*"Cyperus strigosus " (N)
*"Cypripedium acaule " (N)
*"Cypripedium × andrewsii" var. "andrewsii" (N)
*"Cypripedium × andrewsii" var. "landonii" (N)
*"Cypripedium candidum " (N)
*"Cypripedium parviflorum" var. "parviflorum" (N)
*"Cypripedium parviflorum" var. "pubescens" (N)
*"Cypripedium reginae " (N)
*"Cyrtomium falcatum " (I)
*"Cystopteris bulbifera " (N)
*"Cystopteris fragilis " (N)
*"Cystopteris × illinoensis " (N)
*"Cystopteris protrusa " (N)
*"Cystopteris tennesseensis " (N)
*"Cystopteris tenuis " (N)
*"Cystopteris × wagneri " (N)
*"Cytisus scoparius" var. "scoparius" (I)D
*"Dactylis glomerata" ssp. "glomerata" (I)
*"Dactyloctenium aegyptium " (I)
*"Dactylorhiza viridis " (N)
*"Dalea leporina " (N)
*"Dalea purpurea" var. "purpurea" (N)
*"Dalibarda repens " (N)
*"Danthonia compressa " (N)
*"Danthonia spicata " (N)
*"Daphne mezereum " (I)
*"Dasiphora fruticosa" ssp. "floribunda" (N)
*"Dasistoma macrophylla " (N)
*"Datura stramonium " (I)
*"Datura wrightii " (N)
*"Daucus carota " (I)
*"Decodon verticillatus " (N)
*"Delphinium exaltatum " (N)
*"Delphinium tricorne " (N)
*"Dennstaedtia punctilobula " (N)
*"Deparia acrostichoides " (N)
*"Deschampsia cespitosa " (N)
*"Deschampsia danthonioides " (N)
*"Deschampsia flexuosa" var. "flexuosa" (N)
*"Descurainia pinnata" ssp. "brachycarpa" (N)
*"Descurainia sophia " (I)
*"Desmanthus illinoensis " (N)
*"Desmodium canadense " (N)
*"Desmodium canescens " (N)
*"Desmodium ciliare" var. "ciliare" (N)
*"Desmodium cuspidatum" var. "cuspidatum" (N)
*"Desmodium cuspidatum" var. "longifolium" (N)
*"Desmodium glutinosum " (N)
*"Desmodium illinoense " (N)
*"Desmodium laevigatum " (N)
*"Desmodium marilandicum " (N)
*"Desmodium nudiflorum " (N)
*"Desmodium obtusum " (N)
*"Desmodium paniculatum" var. "paniculatum" (N)
*"Desmodium pauciflorum " (N)
*"Desmodium perplexum " (N)
*"Desmodium rotundifolium " (N)
*"Desmodium sessilifolium " (N)
*"Desmodium viridiflorum " (N)
*"Dianthus armeria " (I)
*"Dianthus barbatus " (I)
*"Dianthus deltoides " (I)
*"Dianthus plumarius " (I)
*"Diarrhena americana " (N)
*"Diarrhena obovata " (N)
*"Dicentra canadensis " (N)
*"Dicentra cucullaria " (N)
*"Dicentra eximia " (N)
*"Dichanthelium acuminatum" var. "acuminatum" (N)
*"Dichanthelium acuminatum" var. "fasciculatum" (N)
*"Dichanthelium acuminatum" var. "lindheimeri" (N)
*"Dichanthelium boreale " (N)
*"Dichanthelium boscii " (N)
*"Dichanthelium clandestinum " (N)
*"Dichanthelium commutatum " (N)
*"Dichanthelium depauperatum " (N)
*"Dichanthelium dichotomum" var. "dichotomum" (N)
*"Dichanthelium latifolium " (N)
*"Dichanthelium laxiflorum " (N)
*"Dichanthelium leibergii " (N)
*"Dichanthelium linearifolium " (N)
*"Dichanthelium longiligulatum " (N)
*"Dichanthelium meridionale " (N)
*"Dichanthelium oligosanthes" var. "oligosanthes" (N)
*"Dichanthelium oligosanthes" var. "scribnerianum" (N)
*"Dichanthelium ovale" var. "addisonii" (N)
*"Dichanthelium sabulorum" var. "patulum" (N)
*"Dichanthelium sabulorum" var. "thinium" (N)
*"Dichanthelium sphaerocarpon" var. "isophyllum" (N)
*"Dichanthelium sphaerocarpon" var. "sphaerocarpon" (N)
*"Dichanthelium spretum " (N)
*"Dichanthelium villosissimum" var. "praecocius" (N)
*"Dichondra carolinensis " (N)
*"Diervilla lonicera " (N)
*"Digitalis grandiflora " (I)
*"Digitalis lanata " (I)
*"Digitalis lutea " (I)
*"Digitalis purpurea" ssp. "purpurea" (I)
*"Digitaria ciliaris " (N)
*"Digitaria cognata " (N)
*"Digitaria filiformis " (N)
*"Digitaria ischaemum " (I)
*"Digitaria sanguinalis " (N)
*"Diodia teres" var. "teres" (N)
*"Diodia virginiana" var. "virginiana" (N)
*"Dioscorea oppositifolia " (I)
*"Dioscorea quaternata " (N)
*"Dioscorea villosa " (N)
*"Diospyros virginiana " (N)
*"Diplazium pycnocarpon " (N)
*"Diplotaxis muralis " (I)
*"Diplotaxis tenuifolia " (I)
*"Dipsacus fullonum " (I)
*"Dipsacus laciniatus " (I)
*"Dipsacus sativus " (I)
*"Dirca palustris " (N)
*"Distichlis spicata " (N)
*"Dodecatheon meadia" ssp. "meadia" (N)
*"Doellingeria infirma " (N)
*"Doellingeria umbellata" var. "umbellata" (N)
*"Draba brachycarpa " (N)
*"Draba cuneifolia" var. "cuneifolia" (N)
*"Draba reptans " (N)
*"Draba verna " (I)
*"Dracocephalum parviflorum " (N)
*"Drosera intermedia " (N)
*"Drosera rotundifolia" var. "rotundifolia" (N)
*"Dryopteris × benedictii " (N)
*"Dryopteris × boottii " (N)
*"Dryopteris carthusiana " (N)
*"Dryopteris clintoniana " (N)
*"Dryopteris cristata " (N)
*"Dryopteris goldiana " (N)
*"Dryopteris intermedia " (N)
*"Dryopteris marginalis " (N)
*"Dryopteris × mickelii " (N)
*"Dryopteris × neowherryi " (N)
*"Dryopteris × pittsfordensis " (N)
*"Dryopteris × slossoniae " (N)
*"Dryopteris × triploidea " (N)
*"Dryopteris × uliginosa " (N)
*"Duchesnea indica " (I)
*"Dulichium arundinaceum" var. "arundinaceum" (N)
*"Dyssodia papposa " (N)E
*"
Echinacea purpurea " (N)
*"Echinochloa crus-galli " (I)
*"Echinochloa frumentacea " (I)
*"Echinochloa muricata" var. "microstachya" (N)
*"Echinochloa muricata" var. "muricata" (N)
*"Echinochloa walteri " (N)
*"Echinocystis lobata " (N)
*"Echinodorus berteroi " (N)
*"Echium vulgare " (I)
*"Eclipta prostrata " (N)
*"Egeria densa " (I)
*"Elaeagnus angustifolia " (I)
*"Elaeagnus multiflora " (I)
*"Elaeagnus umbellata" var. "parvifolia" (I)
*"Elatine brachysperma " (N)
*"Eleocharis acicularis" var. "acicularis" (N)
*"Eleocharis compressa" var. "compressa" (N)
*"Eleocharis elliptica " (N)
*"Eleocharis engelmannii " (N)
*"Eleocharis erythropoda " (N)
*"Eleocharis geniculata " (N)
*"Eleocharis intermedia " (N)
*"Eleocharis obtusa " (N)
*"Eleocharis olivacea" var. "olivacea" (N)
*"Eleocharis ovata " (N)
*"Eleocharis palustris" var. "palustris" (N)
*"Eleocharis parvula " (N)
*"Eleocharis quadrangulata " (N)
*"Eleocharis quinqueflora " (N)
*"Eleocharis rostellata " (N)
*"Eleocharis tenuis" var. "tenuis" (N)
*"Eleocharis tenuis" var. "verrucosa" (N)
*"Eleocharis wolfii " (N)
*"Elephantopus carolinianus " (N)
*"Eleusine indica " (I)
*"Ellisia nyctelea " (N)
*"Elodea canadensis " (N)
*"Elodea nuttallii " (N)
*"Elymus canadensis " (N)
*"Elymus hystrix" var. "bigeloviana" (N)
*"Elymus hystrix" var. "hystrix" (N)
*"Elymus repens " (I)
*"Elymus riparius " (N)
*"Elymus submuticus " (N)
*"Elymus trachycaulus" ssp. "subsecundus" (N)
*"Elymus trachycaulus" ssp. "trachycaulus" (N)
*"Elymus villosus " (N)
*"Elymus virginicus" var. "virginicus" (N)
*"Enemion biternatum " (N)
*"Epifagus virginiana " (N)
*"Epigaea repens " (N)
*"Epilobium ciliatum" ssp. "ciliatum" (N)
*"Epilobium ciliatum" ssp. "glandulosum" (N)
*"Epilobium coloratum " (N)
*"Epilobium hirsutum " (I)
*"Epilobium leptophyllum " (N)
*"Epilobium parviflorum " (I)
*"Epilobium strictum " (N)
*"Epilobium × wisconsinense " (N)
*"Epipactis helleborine " (I)
*"Equisetum arvense " (N)
*"Equisetum × ferrissii " (N)
*"Equisetum fluviatile " (N)
*"Equisetum hyemale" var. "affine" (N)
*"Equisetum laevigatum " (N)
*"Equisetum × mackaii " (N)
*"Equisetum × nelsonii " (N)
*"Equisetum sylvaticum " (N)
*"Equisetum variegatum" var. "variegatum" (N)
*"Eragrostis capillaris " (N)
*"Eragrostis cilianensis " (I)
*"Eragrostis curvula " (I)
*"Eragrostis frankii " (N)
*"Eragrostis hirsuta " (N)
*"Eragrostis hypnoides " (N)
*"Eragrostis minor " (I)
*"Eragrostis pectinacea" var. "miserrima" (N)
*"Eragrostis pectinacea" var. "pectinacea" (N)
*"Eragrostis pilosa " (N)
*"Eragrostis spectabilis " (N)
*"Eragrostis trichodes " (N)
*"Eranthis hyemalis " (I)
*"Erechtites hieraciifolia" var. "hieraciifolia" (N)
*"Erica tetralix " (I)
*"Erigenia bulbosa " (N)
*"Erigeron annuus " (N)
*"Erigeron philadelphicus" var. "philadelphicus" (N)
*"Erigeron pulchellus" var. "brauniae" (N)
*"Erigeron pulchellus" var. "pulchellus" (N)
*"Erigeron strigosus" var. "strigosus" (N)
*"Eriocaulon aquaticum " (N)
*"Eriochloa contracta " (N)
*"Eriophorum gracile" var. "gracile" (N)
*"Eriophorum virginicum " (N)
*"Eriophorum viridicarinatum " (N)
*"Erodium cicutarium" ssp. "cicutarium" (I)
*"Erucastrum gallicum " (I)
*"Eryngium yuccifolium" var. "yuccifolium" (N)
*"Erysimum capitatum" var. "capitatum" (N)
*"Erysimum cheiranthoides " (I)
*"Erysimum inconspicuum" var. "inconspicuum" (N)
*"Erysimum repandum " (I)
*"Erythronium albidum " (N)
*"Erythronium americanum" ssp. "americanum" (N)
*"Erythronium rostratum " (N)
*"Eschscholzia californica" ssp. "californica" (N)
*"Eubotrys recurva " (N)
*"Euonymus alatus" var. "alatus" (I)
*"Euonymus americanus " (N)
*"Euonymus atropurpureus" var. "atropurpureus" (N)
*"Euonymus europaeus " (I)
*"Euonymus fortunei" var. "radicans" (I)
*"Euonymus obovatus " (N)
*"Eupatoriadelphus fistulosus " (N)
*"Eupatoriadelphus maculatus" var. "maculatus" (N)
*"Eupatorium album" var. "album" (N)
*"Eupatorium altissimum " (N)
*"Eupatorium godfreyanum " (N)
*"Eupatorium hyssopifolium" var. "laciniatum" (N)
*"Eupatorium perfoliatum" var. "perfoliatum" (N)
*"Eupatorium purpureum" var. "purpureum" (N)
*"Eupatorium rotundifolium" var. "ovatum" (N)
*"Eupatorium rotundifolium" var. "rotundifolium" (N)
*"Eupatorium serotinum " (N)
*"Eupatorium sessilifolium" var. "sessilifolium" (N)
*"Euphorbia commutata " (N)
*"Euphorbia corollata " (N)
*"Euphorbia cyathophora " (N)
*"Euphorbia cyparissias " (I)
*"Euphorbia davidii " (I)
*"Euphorbia dentata " (I)
*"Euphorbia dentata" var. "dentata" (N)
*"Euphorbia esula" var. "esula" (I)
*"Euphorbia falcata " (I)
*"Euphorbia helioscopia " (I)
*"Euphorbia lathyris " (I)
*"Euphorbia marginata " (N)
*"Euphorbia peplus " (I)
*"Euphorbia platyphyllos " (I)
*"Euphorbia purpurea " (N)
*"Euphorbia spathulata " (N)
*"Eurybia divaricata " (N)
*"Eurybia macrophylla " (N)
*"Eurybia schreberi " (N)
*"Eurybia surculosa " (N)
*"Euthamia graminifolia" var. "graminifolia" (N)
*"Euthamia gymnospermoides " (N)F
*"
Fagopyrum esculentum " (I)
*"Fagus grandifolia " (N)
*"Fagus sylvatica " (I)
*"Fatoua villosa " (I)
*"Festuca brevipila " (I)
*"Festuca filiformis " (I)
*"Festuca rubra " (I)
*"Festuca rubra" ssp. "rubra" (N)
*"Festuca subverticillata " (N)
*"Filago vulgaris " (I)
*"Filipendula rubra " (N)
*"Filipendula ulmaria" ssp. "ulmaria" (I)
*"Fimbristylis autumnalis " (N)
*"Fleischmannia incarnata " (N)
*"Floerkea proserpinacoides " (N)
*"Foeniculum vulgare " (I)
*"Fontanesia phillyreoides" ssp. "fortunei" (I)
*"Forsythia × intermedia " (I)
*"Forsythia suspensa " (I)
*"Fragaria vesca" ssp. "americana" (N)
*"Fragaria vesca" ssp. "vesca" (N)
*"Fragaria virginiana" ssp. "grayana" (N)
*"Fragaria virginiana" ssp. "virginiana" (N)
*"Frangula alnus " (I)
*"Frangula alnus " (N)
*"Frangula caroliniana " (N)
*"Frasera caroliniensis " (N)
*"Fraxinus americana " (N)
*"Fraxinus excelsior " (I)
*"Fraxinus nigra " (N)
*"Fraxinus pennsylvanica " (N)
*"Fraxinus profunda " (N)
*"Fraxinus quadrangulata " (N)
*"Froelichia floridana" var. "campestris" (N)
*"Froelichia gracilis " (N)
*"Fumaria officinalis" ssp. "officinalis" (I)G
*"Gaillardia pulchella" var. "pulchella" (N)
*"Galactia volubilis " (N)
*"Galanthus elwesii " (I)
*"Galanthus nivalis " (I)
*"Galax urceolata " (N)
*"Galearis spectabilis " (N)
*"Galeopsis bifida " (I)
*"Galeopsis ladanum" var. "ladanum" (I)
*"Galeopsis tetrahit" var. "tetrahit" (I)
*"Galinsoga parviflora " (I)
*"Galinsoga quadriradiata " (I)
*"Galium aparine " (N)
*"Galium asprellum " (N)
*"Galium boreale " (N)
*"Galium circaezans" var. "hypomalacum" (N)
*"Galium concinnum " (N)
*"Galium labradoricum " (N)
*"Galium lanceolatum " (N)
*"Galium mollugo " (I)
*"Galium obtusum" ssp. "obtusum" (N)
*"Galium odoratum " (I)
*"Galium palustre " (N)
*"Galium pilosum" var. "pilosum" (N)
*"Galium tinctorium " (N)
*"Galium trifidum" ssp. "trifidum" (N)
*"Galium triflorum " (N)
*"Galium verum" var. "verum" (I)
*"Gamochaeta purpurea " (N)
*"Gaultheria hispidula " (N)
*"Gaultheria procumbens " (N)
*"Gaura biennis " (N)
*"Gaura longiflora " (N)
*"Gaura mollis " (N)
*"Gaylussacia baccata " (N)
*"Genista tinctoria " (I)
*"Gentiana alba " (N)
*"Gentiana andrewsii" var. "andrewsii" (N)
*"Gentiana × billingtonii " (N)
*"Gentiana clausa " (N)
*"Gentiana puberulenta " (N)
*"Gentiana saponaria" var. "saponaria" (N)
*"Gentiana villosa " (N)
*"Gentianella quinquefolia" ssp. "occidentalis" (N)
*"Gentianopsis crinita " (N)
*"Gentianopsis virgata" ssp. "victorinii" (N)
*"Gentianopsis virgata" ssp. "virgata" (N)
*"Geranium bicknellii " (N)
*"Geranium carolinianum" var. "carolinianum" (N)
*"Geranium columbinum " (I)
*"Geranium dissectum " (I)
*"Geranium maculatum " (N)
*"Geranium molle " (I)
*"Geranium pusillum " (I)
*"Geranium robertianum " (I)
*"Geranium robertianum" ssp. "robertianum" (N)
*"Geranium sanguineum " (I)
*"Geum aleppicum " (N)
*"Geum canadense" var. "canadense" (N)
*"Geum laciniatum" var. "laciniatum" (N)
*"Geum rivale " (N)
*"Geum urbanum " (I)
*"Geum vernum " (N)
*"Geum virginianum " (N)
*"Gilia capitata" ssp. "capitata" (N)
*"Gillenia stipulata " (N)
*"Gillenia trifoliata " (N)
*"Gladiolus × gandavensis " (I)
*"Glandularia canadensis " (N)
*"Glandularia × hybrida " (I)
*"Glebionis segetum " (I)
*"Glechoma hederacea " (I)
*"Gleditsia triacanthos " (N)
*"Glyceria acutiflora " (N)
*"Glyceria borealis " (N)
*"Glyceria canadensis " (N)
*"Glyceria grandis" var. "grandis" (N)
*"Glyceria melicaria " (N)
*"Glyceria septentrionalis " (N)
*"Glyceria striata " (N)
*"Glycine max " (I)
*"Gnaphalium uliginosum " (I)
*"Gomphrena globosa " (I)
*"Goodyera pubescens " (N)
*"Goodyera repens " (N)
*"Goodyera tesselata " (N)
*"Gratiola neglecta " (N)
*"Gratiola virginiana" var. "virginiana" (N)
*"Gratiola viscidula " (N)
*"Grindelia lanceolata" var. "lanceolata" (N)
*"Grindelia squarrosa" var. "serrulata" (N)
*"Grindelia squarrosa" var. "squarrosa" (N)
*"Guizotia abyssinica " (I)
*"Gutierrezia texana" var. "texana" (N)
*"Gymnocarpium appalachianum " (N)
*"Gymnocarpium × brittonianum " (N)
*"Gymnocarpium dryopteris " (N)
*"Gymnocladus dioicus " (N)
*"Gymnopogon ambiguus " (N)
*"Gypsophila muralis " (I)
*"Gypsophila paniculata " (I)
*"Gypsophila scorzonerifolia " (I)H
*"Hackelia deflexa" var. "americana" (N)
*"Hackelia virginiana " (N)
*"Halesia tetraptera" var. "tetraptera" (N)
*"Hamamelis virginiana " (N)
*"Hasteola suaveolens " (N)
*"Hedeoma hispida " (N)
*"Hedeoma pulegioides " (N)
*"Hedera helix " (I)
*"Helenium amarum" var. "amarum" (N)
*"Helenium autumnale" var. "autumnale" (N)
*"Helenium flexuosum " (N)
*"Helianthemum bicknellii " (N)
*"Helianthemum canadense " (N)
*"Helianthus × ambiguus " (N)
*"Helianthus angustifolius " (N)
*"Helianthus annuus " (N)
*"Helianthus × brevifolius " (N)
*"Helianthus × cinereus " (N)
*"Helianthus decapetalus " (N)
*"Helianthus divaricatus " (N)
*"Helianthus × divariserratus " (N)
*"Helianthus × doronicoides " (N)
*"Helianthus giganteus " (N)
*"Helianthus × glaucus " (N)
*"Helianthus grosseserratus " (N)
*"Helianthus hirsutus " (N)
*"Helianthus × intermedius " (N)
*"Helianthus × kellermanii " (N)
*"Helianthus × laetiflorus " (N)
*"Helianthus × luxurians " (N)
*"Helianthus maximiliani " (N)
*"Helianthus microcephalus " (N)
*"Helianthus mollis " (N)
*"Helianthus × multiflorus " (N)
*"Helianthus occidentalis" ssp. "occidentalis" (N)
*"Helianthus petiolaris" ssp. "petiolaris" (N)
*"Helianthus salicifolius " (N)
*"Helianthus strumosus " (N)
*"Helianthus tuberosus " (N)
*"Heliopsis helianthoides" var. "helianthoides" (N)
*"Heliopsis helianthoides" var. "occidentalis" (N)
*"Heliotropium europaeum " (I)
*"Heliotropium indicum " (I)
*"Helleborus viridis " (I)
*"Hemerocallis fulva " (I)
*"Hemerocallis lilioasphodelus " (I)
*"Hepatica nobilis" var. "acuta" (N)
*"Hepatica nobilis" var. "obtusa" (N)
*"Heracleum maximum " (N)
*"Hesperis matronalis " (I)
*"Hesperostipa spartea " (N)
*"Heteranthera dubia " (N)
*"Heteranthera reniformis " (N)
*"Heterotheca camporum" var. "camporum" (N)
*"Heuchera americana" var. "americana" (N)
*"Heuchera americana" var. "hirsuticaulis" (N)
*"Heuchera americana" var. "hispida" (N)
*"Heuchera longiflora " (N)
*"Heuchera parviflora" var. "parviflora" (N)
*"Heuchera villosa" var. "villosa" (N)
*"Hexalectris spicata" var. "spicata" (N)
*"Hibiscus laevis " (N)
*"Hibiscus moscheutos " (N)
*"Hibiscus syriacus " (I)
*"Hibiscus trionum " (I)
*"Hieracium aurantiacum " (I)
*"Hieracium caespitosum " (I)
*"Hieracium × flagellare" var. "flagellare" (I)
*"Hieracium × floribundum " (I)
*"Hieracium greenii " (N)
*"Hieracium gronovii " (N)
*"Hieracium kalmii" var. "fasciculatum" (N)
*"Hieracium kalmii" var. "kalmii" (N)
*"Hieracium longipilum " (N)
*"Hieracium paniculatum " (N)
*"Hieracium pilosella" var. "pilosella" (I)
*"Hieracium piloselloides " (I)
*"Hieracium scabrum" var. "scabrum" (N)
*"Hieracium venosum " (N)
*"Hierochloe hirta" ssp. "arctica" (N)
*"Holcus lanatus " (I)
*"Holosteum umbellatum " (I)
*"Hordeum brachyantherum" ssp. "brachyantherum" (N)
*"Hordeum jubatum" ssp. "jubatum" (N)
*"Hordeum marinum" ssp. "gussonianum" (I)
*"Hordeum pusillum " (N)
*"Hordeum vulgare " (I)
*"Hosta lancifolia " (I)
*"Hosta ventricosa " (I)
*"Hottonia inflata " (N)
*"Houstonia caerulea " (N)
*"Houstonia canadensis " (N)
*"Houstonia longifolia " (N)
*"Houstonia purpurea" var. "calycosa" (N)
*"Houstonia purpurea" var. "purpurea" (N)
*"Hudsonia tomentosa" var. "tomentosa" (N)
*"Humulus japonicus " (I)
*"Humulus lupulus" var. "lupuloides" (N)
*"Humulus lupulus" var. "pubescens" (N)
*"Humulus lupulus" var. "lupulus" (I)
*"Huperzia × bartleyi " (N)
*"Huperzia × buttersii " (N)
*"Huperzia lucidula " (N)
*"Huperzia porophila " (N)
*"Hyacinthoides non-scripta " (I)
*"Hybanthus concolor " (N)
*"Hydrangea arborescens " (N)
*"Hydrastis canadensis " (N)
*"Hydrocotyle americana " (N)
*"Hydrocotyle ranunculoides " (N)
*"Hydrocotyle sibthorpioides " (I)
*"Hydrocotyle umbellata " (N)
*"Hydrophyllum appendiculatum " (N)
*"Hydrophyllum canadense " (N)
*"Hydrophyllum macrophyllum " (N)
*"Hydrophyllum virginianum" var. "virginianum" (N)
*"Hylotelephium telephioides " (N)
*"Hylotelephium telephium" ssp. "telephium" (I)
*"Hypericum ascyron " (N)
*"Hypericum boreale " (N)
*"Hypericum canadense " (N)
*"Hypericum drummondii " (N)
*"Hypericum ellipticum " (N)
*"Hypericum gentianoides " (N)
*"Hypericum gymnanthum " (N)
*"Hypericum hypericoides" ssp. "multicaule" (N)
*"Hypericum kalmianum " (N)
*"Hypericum majus " (N)
*"Hypericum mutilum " (N)
*"Hypericum perforatum " (I)
*"Hypericum prolificum " (N)
*"Hypericum punctatum " (N)
*"Hypericum sphaerocarpum " (N)
*"Hypericum virgatum " (N)
*"Hypochaeris glabra " (I)
*"Hypochaeris radicata " (I)
*"Hypoxis hirsuta " (N)I
*"
Iberis umbellata " (I)
*"Ilex crenata " (I)
*"Ilex mucronata " (N)
*"Ilex opaca" var. "opaca" (N)
*"Ilex verticillata " (N)
*"Impatiens balsamina " (I)
*"Impatiens capensis " (N)
*"Impatiens pallida " (N)
*"Inula helenium " (I)
*"Iodanthus pinnatifidus " (N)
*"Ionactis linariifolius " (N)
*"Ipomoea coccinea " (I)
*"Ipomoea hederacea " (I)
*"Ipomoea lacunosa " (N)
*"Ipomoea pandurata " (N)
*"Ipomoea purpurea " (I)
*"Ipomopsis rubra " (N)
*"Iris brevicaulis " (N)
*"Iris cristata " (N)
*"Iris fulva " (N)
*"Iris germanica " (I)
*"Iris pseudacorus " (I)
*"Iris verna" var. "smalliana" (N)
*"Iris versicolor " (N)
*"Iris virginica" var. "shrevei" (N)
*"Isoetes engelmannii " (N)
*"Isoetes tenella " (N)
*"Isotria medeoloides " (N)
*"Isotria verticillata " (N)
*"Iva annua" var. "annua" (N)J
*"
Jacquemontia tamnifolia " (N)
*"Jeffersonia diphylla " (N)
*"Juglans cinerea " (N)
*"Juglans nigra " (N)
*"Juncus acuminatus " (N)
*"Juncus alpinoarticulatus" ssp. "nodulosus" (N)
*"Juncus anthelatus " (N)
*"Juncus arcticus" ssp. "littoralis" (N)
*"Juncus articulatus " (N)
*"Juncus biflorus " (N)
*"Juncus brachycarpus " (N)
*"Juncus brachycephalus " (N)
*"Juncus bufonius" var. "bufonius" (N)
*"Juncus canadensis " (N)
*"Juncus compressus " (I)
*"Juncus dichotomus " (N)
*"Juncus diffusissimus " (N)
*"Juncus dudleyi " (N)
*"Juncus effusus" var. "decipiens" (N)
*"Juncus effusus" var. "pylaei" (N)
*"Juncus effusus" var. "solutus" (N)
*"Juncus gerardii" var. "gerardii" (N)
*"Juncus greenei " (N)
*"Juncus interior" var. "interior" (N)
*"Juncus marginatus " (N)
*"Juncus nodosus" var. "nodosus" (N)
*"Juncus secundus " (N)
*"Juncus × stuckeyi " (N)
*"Juncus subcaudatus" var. "subcaudatus" (N)
*"Juncus tenuis " (N)
*"Juncus torreyi " (N)
*"Juniperus communis" var. "depressa" (N)
*"Juniperus virginiana" var. "virginiana" (N)
*"Justicia americana " (N)K
*"
Kalmia latifolia " (N)
*"Kerria japonica " (I)
*"Kickxia elatine " (I)
*"Kickxia spuria " (I)
*"Koeleria macrantha " (N)
*"Koelreuteria paniculata " (I)
*"Krigia biflora" var. "biflora" (N)
*"Krigia dandelion " (N)
*"Krigia virginica " (N)
*"Kummerowia stipulacea " (I)
*"Kummerowia striata " (I)
*"Kyllinga pumila " (N)L
*"
Lablab purpureus " (I)
*"Lactuca biennis " (N)
*"Lactuca canadensis " (N)
*"Lactuca floridana" var. "floridana" (N)
*"Lactuca floridana" var. "villosa" (N)
*"Lactuca hirsuta" var. "sanguinea" (N)
*"Lactuca × morssii " (N)
*"Lactuca saligna " (I)
*"Lactuca sativa " (I)
*"Lactuca serriola " (I)
*"Lactuca tatarica" var. "pulchella" (N)
*"Lamium album " (I)
*"Lamium amplexicaule " (I)
*"Lamium maculatum " (I)
*"Lamium purpureum" var. "purpureum" (I)
*"Laportea canadensis " (N)
*"Lappula squarrosa " (I)
*"Lapsana communis " (I)
*"Larix laricina " (N)
*"Lathyrus japonicus" var. "maritimus" (N)
*"Lathyrus japonicus" var. "parviflorus" (N)
*"Lathyrus latifolius " (I)
*"Lathyrus ochroleucus " (N)
*"Lathyrus odoratus " (I)
*"Lathyrus palustris " (N)
*"Lathyrus pratensis " (I)
*"Lathyrus tuberosus " (I)
*"Lathyrus venosus " (N)
*"Leavenworthia uniflora " (N)
*"Lechea intermedia" var. "intermedia" (N)
*"Lechea minor " (N)
*"Lechea mucronata " (N)
*"Lechea pulchella" var. "moniliformis" (N)
*"Lechea pulchella" var. "pulchella" (N)
*"Lechea racemulosa " (N)
*"Lechea tenuifolia " (N)
*"Ledum groenlandicum " (N)
*"Leersia lenticularis " (N)
*"Leersia oryzoides " (N)
*"Leersia virginica " (N)
*"Lemna minor " (N)
*"Lemna minuta " (N)
*"Lemna obscura " (N)
*"Lemna perpusilla " (N)
*"Lemna trisulca " (N)
*"Lemna turionifera " (N)
*"Lemna valdiviana " (N)
*"Leontodon autumnalis" ssp. "autumnalis" (I)
*"Leontodon autumnalis" ssp. "pratensis" (I)
*"Leontodon hispidus" ssp. "danubialis" (I)
*"Leontodon taraxacoides" ssp. "taraxacoides" (I)
*"Leonurus cardiaca" ssp. "cardiaca" (I)
*"Leonurus sibiricus " (I)
*"Lepidium campestre " (I)
*"Lepidium densiflorum" var. "densiflorum" (N)
*"Lepidium perfoliatum " (I)
*"Lepidium ramosissimum" var. "bourgeauanum" (N)
*"Lepidium ruderale " (I)
*"Lepidium sativum " (I)
*"Lepidium virginicum" var. "virginicum" (N)
*"Leptochloa fusca" ssp. "fascicularis" (N)
*"Leptochloa panicea" ssp. "brachiata" (N)
*"Lespedeza × acuticarpa " (N)
*"Lespedeza bicolor " (I)
*"Lespedeza × brittonii " (N)
*"Lespedeza capitata " (N)
*"Lespedeza cuneata " (I)
*"Lespedeza formosa " (I)
*"Lespedeza frutescens " (N)
*"Lespedeza hirta" ssp. "hirta" (N)
*"Lespedeza × nuttallii " (N)
*"Lespedeza procumbens " (N)
*"Lespedeza repens " (N)
*"Lespedeza thunbergii " (I)
*"Lespedeza violacea " (N)
*"Lespedeza virginica " (N)
*"Lesquerella globosa " (N)
*"Leucanthemum maximum " (I)
*"Leucanthemum vulgare " (I)
*"Leucojum aestivum" ssp. "aestivum" (I)
*"Leucospora multifida " (N)
*"Levisticum officinale " (I)
*"Liatris aspera" var. "aspera" (N)
*"Liatris aspera" var. "intermedia" (N)
*"Liatris cylindracea " (N)
*"Liatris punctata" var. "punctata" (N)
*"Liatris pycnostachya" var. "pycnostachya" (N)
*"Liatris scariosa" var. "nieuwlandii" (N)
*"Liatris spheroidea " (N)
*"Liatris spicata" var. "spicata" (N)
*"Liatris squarrosa" var. "squarrosa" (N)
*"Liatris squarrulosa " (N)
*"Ligusticum canadense " (N)
*"Ligustrum obtusifolium " (I)
*"Ligustrum ovalifolium " (I)
*"Ligustrum vulgare " (I)
*"Lilium canadense" ssp. "canadense" (N)
*"Lilium canadense" ssp. "editorum" (N)
*"Lilium lancifolium " (I)
*"Lilium michiganense " (N)
*"Lilium philadelphicum" var. "andinum" (N)
*"Lilium philadelphicum" var. "philadelphicum" (N)
*"Lilium superbum " (N)
*"Linaria dalmatica" ssp. "dalmatica" (I)
*"Linaria genistifolia " (I)
*"Linaria vulgaris " (I)
*"Lindera benzoin" var. "benzoin" (N)
*"Lindera benzoin" var. "pubescens" (N)
*"Lindernia dubia" var. "anagallidea" (N)
*"Lindernia dubia" var. "dubia" (N)
*"Linnaea borealis" ssp. "americana" (N)
*"Linum grandiflorum " (I)
*"Linum medium" var. "texanum" (N)
*"Linum perenne " (I)
*"Linum perenne " (N)
*"Linum striatum " (N)
*"Linum sulcatum" var. "sulcatum" (N)
*"Linum usitatissimum " (I)
*"Linum virginianum " (N)
*"Liparis liliifolia " (N)
*"Liparis loeselii " (N)
*"Lipocarpha drummondii " (N)
*"Lipocarpha micrantha " (N)
*"Liquidambar styraciflua " (N)
*"Liriodendron tulipifera " (N)
*"Listera cordata" var. "cordata" (N)
*"Lithospermum canescens " (N)
*"Lithospermum caroliniense" var. "croceum" (N)
*"Lithospermum latifolium " (N)
*"Lithospermum officinale " (I)
*"Lobelia cardinalis " (N)
*"Lobelia inflata " (N)
*"Lobelia kalmii " (N)
*"Lobelia puberula" var. "simulans" (N)
*"Lobelia siphilitica" var. "siphilitica" (N)
*"Lobelia spicata" var. "campanulata" (N)
*"Lobelia spicata" var. "leptostachys" (N)
*"Lobelia spicata" var. "spicata" (N)
*"Lobularia maritima " (I)
*"Lolium perenne" ssp. "multiflorum" (I)
*"Lolium perenne" ssp. "perenne" (I)
*"Lolium temulentum" ssp. "temulentum" (I)
*"Lonicera × bella " (I)
*"Lonicera canadensis " (N)
*"Lonicera dioica " (N)
*"Lonicera flava " (N)
*"Lonicera fragrantissima " (I)
*"Lonicera japonica " (I)
*"Lonicera × minutiflora " (I)
*"Lonicera morrowii " (I)
*"Lonicera maackii " (I)
*"Lonicera oblongifolia " (N)
*"Lonicera reticulata " (N)
*"Lonicera ruprechtiana " (I)
*"Lonicera × salicifolia " (I)
*"Lonicera sempervirens " (N)
*"Lonicera tatarica " (I)
*"Lonicera villosa" var. "tonsa" (N)
*"Lonicera × xylosteoides " (I)
*"Lonicera xylosteum " (I)
*"Lotus corniculatus" var. "corniculatus" (I)
*"Lotus glaber " (I)
*"Ludwigia alternifolia " (N)
*"Ludwigia decurrens " (N)
*"Ludwigia leptocarpa " (N)
*"Ludwigia palustris " (N)
*"Ludwigia peploides " (I)
*"Ludwigia peploides" ssp. "glabrescens" (N)
*"Ludwigia polycarpa " (N)
*"Lunaria annua " (I)
*"Lupinus perennis" ssp. "perennis" var. "occidentalis" (N)
*"Lupinus perennis" ssp. "perennis" var. "perennis" (N)
*"Lupinus perennis" ssp. "perennis" (N)
*"Luzula acuminata" ssp. "acuminata" (N)
*"Luzula acuminata" ssp. "carolinae" (N)
*"Luzula bulbosa " (N)
*"Luzula echinata " (N)
*"Luzula multiflora" ssp. "multiflora" var. "multiflora" (N)
*"Luzula multiflora" ssp. "multiflora" (N)
*"Lychnis coronaria " (I)
*"Lychnis flos-cuculi " (I)
*"Lychnis viscaria " (I)
*"Lycium barbarum " (I)
*"Lycium chinense " (I)
*"Lycopodiella inundata " (N)
*"Lycopodiella margueritiae " (N)
*"Lycopodiella subappressa " (N)
*"Lycopodium clavatum " (N)
*"Lycopodium dendroideum " (N)
*"Lycopodium digitatum " (N)
*"Lycopodium × habereri " (N)
*"Lycopodium hickeyi " (N)
*"Lycopodium lagopus " (N)
*"Lycopodium obscurum " (N)
*"Lycopodium tristachyum " (N)
*"Lycopus americanus " (N)
*"Lycopus asper " (N)
*"Lycopus europaeus " (I)
*"Lycopus rubellus " (N)
*"Lycopus × sherardii " (N)
*"Lycopus uniflorus" var. "uniflorus" (N)
*"Lycopus virginicus " (N)
*"Lycoris squamigera " (I)
*"Lygodium palmatum " (N)
*"Lyonia ligustrina" var. "ligustrina" (N)
*"Lysimachia ciliata " (N)
*"Lysimachia lanceolata " (N)
*"Lysimachia nummularia " (I)
*"Lysimachia × producta " (N)
*"Lysimachia punctata " (I)
*"Lysimachia quadriflora " (N)
*"Lysimachia quadrifolia " (N)
*"Lysimachia terrestris " (N)
*"Lysimachia thyrsiflora " (N)
*"Lysimachia vulgaris " (I)
*"Lythrum alatum" var. "alatum" (N)
*"Lythrum hyssopifolium " (I)
*"Lythrum portula " (I)
*"Lythrum salicaria " (I)M
*"
Macleaya cordata " (I)
*"Maclura pomifera " (N)
*"Magnolia acuminata " (N)
*"Magnolia fraseri " (N)
*"Magnolia macrophylla " (N)
*"Magnolia × soulangiana " (I)
*"Magnolia stellata " (I)
*"Magnolia tripetala " (N)
*"Mahonia aquifolium " (N)
*"Maianthemum canadense " (N)
*"Maianthemum racemosum" ssp. "racemosum" (N)
*"Maianthemum stellatum " (N)
*"Maianthemum trifolium " (N)
*"Malaxis unifolia " (N)
*"Malus angustifolia" var. "angustifolia" (N)
*"Malus baccata " (I)
*"Malus coronaria " (N)
*"Malus floribunda " (I)
*"Malus ioensis" var. "ioensis" (N)
*"Malus × platycarpa " (N)
*"Malus pumila " (I)
*"Malus toringo " (I)
*"Malus zumi " (I)
*"Malva alcea " (I)
*"Malva moschata " (I)
*"Malva neglecta " (I)
*"Malva pusilla " (I)
*"Malva sylvestris " (I)
*"Malva verticillata " (I)
*"Manfreda virginica " (N)
*"Marrubium vulgare " (I)
*"Marsilea quadrifolia " (I)
*"Marsilea quadrifolia " (N)
*"Matelea obliqua " (N)
*"Matricaria discoidea " (I)
*"Matricaria recutita " (I)
*"Matteuccia struthiopteris " (N)
*"Mazus pumilus " (I)
*"Medeola virginiana " (N)
*"Medicago lupulina " (I)
*"Medicago polymorpha " (I)
*"Medicago sativa" ssp. "falcata" (I)
*"Medicago sativa" ssp. "sativa" (I)
*"Meehania cordata " (N)
*"Melampyrum lineare" var. "latifolium" (N)
*"Melampyrum lineare" var. "lineare" (N)
*"Melica nitens " (N)
*"Melilotus altissimus " (I)
*"Melilotus officinalis " (I)
*"Melissa officinalis " (I)
*"Menispermum canadense " (N)
*"Mentha aquatica " (I)
*"Mentha arvensis " (N)
*"Mentha × gracilis " (I)
*"Mentha × piperita " (N)
*"Mentha × rotundifolia " (I)
*"Mentha spicata " (I)
*"Mentha suaveolens " (I)
*"Mentha × villosa " (I)
*"Menyanthes trifoliata " (N)
*"Mercurialis annua " (I)
*"Mertensia virginica " (N)
*"Microstegium vimineum " (I)
*"Microthlaspi perfoliatum " (I)
*"Mikania scandens " (N)
*"Milium effusum" var. "cisatlanticum" (N)
*"Mimulus alatus " (N)
*"Mimulus ringens" var. "ringens" (N)
*"Minuartia michauxii" var. "michauxii" (N)
*"Minuartia patula " (N)
*"Mirabilis albida " (N)
*"Mirabilis hirsuta " (N)
*"Mirabilis jalapa " (I)
*"Mirabilis nyctaginea " (N)
*"Miscanthus sinensis " (I)
*"Misopates orontium " (I)
*"Mitchella repens " (N)
*"Mitella diphylla " (N)
*"Moehringia lateriflora " (N)
*"Moehringia trinervia " (I)
*"Mollugo verticillata " (N)
*"Monarda clinopodia " (N)
*"Monarda didyma " (N)
*"Monarda fistulosa" ssp. "fistulosa" var. "fistulosa" (N)
*"Monarda fistulosa" ssp. "fistulosa" var. "mollis" (N)
*"Monarda fistulosa" ssp. "fistulosa" (N)
*"Monarda media " (N)
*"Monarda punctata" ssp. "punctata" var. "villicaulis" (N)
*"Monarda punctata" ssp. "punctata" (N)
*"Moneses uniflora " (N)
*"Monolepis nuttalliana " (N)
*"Monotropa hypopithys " (N)
*"Monotropa uniflora " (N)
*"Morella pensylvanica " (N)
*"Morus alba " (I)
*"Morus nigra " (I)
*"Morus rubra" var. "rubra" (N)
*"Muhlenbergia asperifolia " (N)
*"Muhlenbergia capillaris " (N)
*"Muhlenbergia × curtisetosa " (N)
*"Muhlenbergia cuspidata " (N)
*"Muhlenbergia frondosa " (N)
*"Muhlenbergia glomerata " (N)
*"Muhlenbergia mexicana " (N)
*"Muhlenbergia schreberi " (N)
*"Muhlenbergia sobolifera " (N)
*"Muhlenbergia sylvatica " (N)
*"Muhlenbergia tenuiflora " (N)
*"Muscari armeniacum " (I)
*"Muscari botryoides " (I)
*"Muscari comosum " (I)
*"Muscari neglectum " (I)
*"Myagrum perfoliatum " (I)
*"Myosotis arvensis " (I)
*"Myosotis discolor " (I)
*"Myosotis laxa " (N)
*"Myosotis macrosperma " (N)
*"Myosotis scorpioides " (I)
*"Myosotis stricta " (I)
*"Myosotis sylvatica " (I)
*"Myosotis verna " (N)
*"Myosoton aquaticum " (I)
*"Myosurus minimus " (N)
*"Myriophyllum aquaticum " (I)
*"Myriophyllum heterophyllum " (N)
*"Myriophyllum humile " (N)
*"Myriophyllum pinnatum " (N)
*"Myriophyllum sibiricum " (N)
*"Myriophyllum spicatum " (I)
*"Myriophyllum verticillatum " (N)N
*"
Najas flexilis " (N)
*"Najas gracillima " (N)
*"Najas guadalupensis" ssp. "guadalupensis" (N)
*"Najas marina " (N)
*"Najas minor " (I)
*"Napaea dioica " (N)
*"Narcissus × incomparabilis " (I)
*"Narcissus jonquilla " (I)
*"Narcissus × medioluteus " (I)
*"Narcissus poeticus " (I)
*"Narcissus pseudonarcissus " (I)
*"Nasturtium officinale " (I)
*"Navarretia intertexta" ssp. "propinqua" (N)
*"Nelumbo lutea " (N)
*"Nelumbo nucifera " (I)
*"Neobeckia aquatica " (N)
*"Nepeta cataria " (I)
*"Neslia paniculata " (I)
*"Nicandra physalodes " (I)
*"Nicotiana alata " (I)
*"Nicotiana glauca " (I)
*"Nicotiana rustica " (I)
*"Nicotiana tabacum " (I)
*"Nigella damascena " (I)
*"Nothoscordum bivalve " (N)
*"Nuphar lutea" ssp. "advena" (N)
*"Nuphar lutea" ssp. "variegata" (N)
*"Nuttallanthus canadensis " (N)
*"Nymphaea odorata" ssp. "odorata" (N)
*"Nymphaea odorata" ssp. "tuberosa" (N)
*"Nymphoides peltata " (I)
*"Nyssa sylvatica " (N)O
*"
Obolaria virginica " (N)
*"Oclemena acuminata " (N)
*"Oenanthe aquatica " (I)
*"Oenothera biennis " (N)
*"Oenothera clelandii " (N)
*"Oenothera fruticosa" ssp. "fruticosa" (N)
*"Oenothera fruticosa" ssp. "glauca" (N)
*"Oenothera laciniata " (N)
*"Oenothera nutans " (N)
*"Oenothera oakesiana " (N)
*"Oenothera parviflora " (N)
*"Oenothera perennis " (N)
*"Oenothera pilosella" ssp. "pilosella" (N)
*"Oenothera speciosa " (N)
*"Oenothera triloba " (N)
*"Oenothera villosa" ssp. "villosa" (N)
*"Oligoneuron album " (N)
*"Oligoneuron ohioense " (N)
*"Oligoneuron riddellii " (N)
*"Oligoneuron rigidum" var. "glabratum" (N)
*"Oligoneuron rigidum" var. "rigidum" (N)
*"Onoclea sensibilis " (N)
*"Onopordum acanthium " (I)
*"Onosmodium bejariense" var. "hispidissimum" (N)
*"Ophioglossum engelmannii " (N)
*"Ophioglossum pusillum " (N)
*"Ophioglossum vulgatum " (N)
*"Opuntia humifusa " (N)
*"Opuntia macrorhiza" var. "macrorhiza" (N)
*"Orbexilum onobrychis " (N)
*"Orbexilum pedunculatum" var. "pedunculatum" (N)
*"Origanum vulgare " (I)
*"Ornithogalum nutans " (I)
*"Ornithogalum umbellatum " (I)
*"Orobanche ludoviciana" ssp. "ludoviciana" (N)
*"Orobanche uniflora " (N)
*"Orthilia secunda " (N)
*"Oryzopsis asperifolia " (N)
*"Osmorhiza claytonii " (N)
*"Osmorhiza longistylis " (N)
*"Osmunda cinnamomea" var. "cinnamomea" (N)
*"Osmunda claytoniana " (N)
*"Osmunda regalis" var. "spectabilis" (N)
*"Ostrya virginiana" var. "virginiana" (N)
*"Oxalis corniculata " (N)
*"Oxalis dillenii " (N)
*"Oxalis grandis " (N)
*"Oxalis montana " (N)
*"Oxalis stricta " (N)
*"Oxalis violacea " (N)
*"Oxydendrum arboreum " (N)
*"Oxypolis rigidior " (N)P
*"
Pachysandra terminalis " (I)
*"Packera anonyma " (N)
*"Packera aurea " (N)
*"Packera glabella " (N)
*"Packera obovata " (N)
*"Packera paupercula " (N)
*"Packera plattensis " (N)
*"Panax quinquefolius " (N)
*"Panax trifolius " (N)
*"Panicum anceps " (N)
*"Panicum capillare " (N)
*"Panicum dichotomiflorum" var. "dichotomiflorum" (N)
*"Panicum flexile " (N)
*"Panicum gattingeri " (N)
*"Panicum miliaceum" ssp. "miliaceum" (I)
*"Panicum philadelphicum " (N)
*"Panicum rigidulum" var. "elongatum" (N)
*"Panicum rigidulum" var. "pubescens" (N)
*"Panicum rigidulum" var. "rigidulum" (N)
*"Panicum verrucosum " (N)
*"Panicum virgatum" var. "virgatum" (N)
*"Papaver argemone " (I)
*"Papaver dubium " (I)
*"Papaver rhoeas " (I)
*"Papaver somniferum " (I)
*"Parietaria pensylvanica " (N)
*"Parnassia glauca " (N)
*"Paronychia canadensis " (N)
*"Paronychia fastigiata" var. "fastigiata" (N)
*"Parthenium hysterophorus " (I)
*"Parthenium integrifolium" var. "integrifolium" (N)
*"Parthenocissus quinquefolia " (N)
*"Parthenocissus tricuspidata " (I)
*"Parthenocissus vitacea " (N)
*"Pascopyrum smithii " (N)
*"Paspalum floridanum " (N)
*"Paspalum fluitans " (N)
*"Paspalum laeve " (N)
*"Paspalum pubiflorum " (N)
*"Paspalum setaceum " (N)
*"Passiflora incarnata " (N)
*"Passiflora lutea " (N)
*"Pastinaca sativa " (I)
*"Paulownia tomentosa " (I)
*"Paxistima canbyi " (N)
*"Pedicularis canadensis" ssp. "canadensis" (N)
*"Pedicularis lanceolata " (N)
*"Pellaea atropurpurea " (N)
*"Pellaea glabella" ssp. "glabella" (N)
*"Peltandra virginica " (N)
*"Pennisetum glaucum " (I)
*"Penstemon alluviorum " (N)
*"Penstemon calycosus " (N)
*"Penstemon canescens " (N)
*"Penstemon cobaea " (N)
*"Penstemon digitalis " (N)
*"Penstemon grandiflorus " (N)
*"Penstemon hirsutus " (N)
*"Penstemon laevigatus " (N)
*"Penstemon pallidus " (N)
*"Penstemon tubiflorus" var. "tubiflorus" (N)
*"Penthorum sedoides " (N)
*"Perideridia americana " (N)
*"Perilla frutescens" var. "frutescens" (I)
*"Petasites hybridus " (I)
*"Petrorhagia prolifera " (I)
*"Petrorhagia saxifraga " (I)
*"Petroselinum crispum " (I)
*"Petunia × atkinsiana " (I)
*"Petunia axillaris " (I)
*"Phacelia bipinnatifida " (N)
*"Phacelia dubia" var. "dubia" (N)
*"Phacelia purshii " (N)
*"Phacelia ranunculacea " (N)
*"Phalaris arundinacea " (N)
*"Phalaris canariensis " (I)
*"Phalaris caroliniana " (N)
*"Phaseolus coccineus " (I)
*"Phaseolus polystachios" var. "polystachios" (N)
*"Phaseolus vulgaris " (I)
*"Phegopteris connectilis " (N)
*"Phegopteris hexagonoptera " (N)
*"Phellodendron amurense " (I)
*"Philadelphus coronarius " (I)
*"Philadelphus inodorus " (N)
*"Philadelphus pubescens" var. "pubescens" (N)
*"Philadelphus tomentosus " (I)
*"Phleum pratense " (I)
*"Phlox divaricata" ssp. "divaricata" (N)
*"Phlox glaberrima" ssp. "triflora" (N)
*"Phlox latifolia " (N)
*"Phlox maculata" ssp. "maculata" (N)
*"Phlox maculata" ssp. "pyramidalis" (N)
*"Phlox paniculata " (N)
*"Phlox pilosa" ssp. "pilosa" (N)
*"Phlox stolonifera " (N)
*"Phlox subulata" ssp. "brittonii" (N)
*"Phlox subulata" ssp. "subulata" (N)
*"Phoradendron leucarpum " (N)
*"Photinia floribunda " (N)
*"Photinia melanocarpa " (N)
*"Phragmites australis " (N)
*"Phryma leptostachya " (N)
*"Phyla lanceolata " (N)
*"Phyllanthus caroliniensis" ssp. "caroliniensis" (N)
*"Physalis alkekengi " (I)
*"Physalis grisea " (N)
*"Physalis heterophylla" var. "heterophylla" (N)
*"Physalis hispida " (N)
*"Physalis longifolia" var. "longifolia" (N)
*"Physalis longifolia" var. "subglabrata" (N)
*"Physalis philadelphica" var. "immaculata" (I)
*"Physalis pubescens" var. "integrifolia" (N)
*"Physalis pubescens" var. "pubescens" (N)
*"Physalis virginiana" var. "virginiana" (N)
*"Physocarpus opulifolius" var. "intermedius" (N)
*"Physocarpus opulifolius" var. "opulifolius" (N)
*"Physostegia virginiana" ssp. "praemorsa" (N)
*"Physostegia virginiana" ssp. "virginiana" (N)
*"Phytolacca americana" var. "americana" (N)
*"Picea abies " (I)
*"Picris echioides " (I)
*"Picris hieracioides " (N)
*"Picris hieracioides" ssp. "hieracioides" (I)
*"Pilea fontana " (N)
*"Pilea pumila" var. "pumila" (N)
*"Pimpinella saxifraga" ssp. "saxifraga" (I)
*"Pinellia ternata " (I)
*"Pinus banksiana " (N)
*"Pinus echinata " (N)
*"Pinus nigra " (I)
*"Pinus rigida " (N)
*"Pinus strobus " (N)
*"Pinus sylvestris " (I)
*"Pinus virginiana " (N)
*"Piptatherum racemosum " (N)
*"Piptochaetium avenaceum " (N)
*"Pistia stratiotes " (N)
*"Pityopsis graminifolia" var. "latifolia" (N)
*"Plantago aristata " (N)
*"Plantago cordata " (N)
*"Plantago lanceolata " (I)
*"Plantago major " (I)
*"Plantago patagonica " (N)
*"Plantago psyllium " (I)
*"Plantago rugelii" var. "rugelii" (N)
*"Plantago virginica " (N)
*"Platanthera × andrewsii " (N)
*"Platanthera aquilonis " (N)
*"Platanthera blephariglottis" var. "blephariglottis" (N)
*"Platanthera ciliaris " (N)
*"Platanthera clavellata " (N)
*"Platanthera flava" var. "herbiola" (N)
*"Platanthera grandiflora " (N)
*"Platanthera hookeri " (N)
*"Platanthera lacera " (N)
*"Platanthera leucophaea " (N)
*"Platanthera orbiculata " (N)
*"Platanthera peramoena " (N)
*"Platanthera psycodes " (N)
*"Platanus occidentalis " (N)
*"Pleopeltis polypodioides" ssp. "michauxiana" (N)
*"Pluchea camphorata " (N)
*"Poa alsodes " (N)
*"Poa annua " (I)
*"Poa arida " (N)
*"Poa bulbosa " (I)
*"Poa chapmaniana " (N)
*"Poa compressa " (I)
*"Poa cuspidata " (N)
*"Poa nemoralis " (N)
*"Poa nemoralis" ssp. "nemoralis" (I)
*"Poa paludigena " (N)
*"Poa palustris " (N)
*"Poa pratensis " (I)
*"Poa pratensis" ssp. "pratensis" (N)
*"Poa saltuensis " (N)
*"Poa sylvestris " (N)
*"Poa trivialis " (I)
*"Poa wolfii " (N)
*"Podophyllum peltatum " (N)
*"Podostemum ceratophyllum " (N)
*"Pogonia ophioglossoides " (N)
*"Polanisia dodecandra" ssp. "dodecandra" (N)
*"Polanisia dodecandra" ssp. "trachysperma" (N)
*"Polanisia jamesii " (N)
*"Polemonium caeruleum " (I)
*"Polemonium reptans" var. "reptans" (N)
*"Polemonium reptans" var. "villosum" (N)
*"Polygala ambigua " (N)
*"Polygala cruciata" var. "aquilonia" (N)
*"Polygala curtissii " (N)
*"Polygala incarnata " (N)
*"Polygala paucifolia " (N)
*"Polygala polygama " (N)
*"Polygala sanguinea " (N)
*"Polygala senega " (N)
*"Polygala verticillata" var. "isocycla" (N)
*"Polygala verticillata" var. "verticillata" (N)
*"Polygonatum biflorum" var. "commutatum" (N)
*"Polygonatum pubescens " (N)
*"Polygonum achoreum " (N)
*"Polygonum amphibium" var. "emersum" (N)
*"Polygonum amphibium" var. "stipulaceum" (N)
*"Polygonum arenastrum " (I)
*"Polygonum arifolium " (N)
*"Polygonum aviculare " (I)
*"Polygonum buxiforme " (N)
*"Polygonum careyi " (N)
*"Polygonum cespitosum" var. "longisetum" (I)
*"Polygonum cilinode " (N)
*"Polygonum convolvulus" var. "convolvulus" (I)
*"Polygonum cuspidatum " (I)
*"Polygonum erectum " (N)
*"Polygonum fowleri" ssp. "fowleri" (N)
*"Polygonum hydropiper " (I)
*"Polygonum hydropiperoides " (N)
*"Polygonum lapathifolium " (N)
*"Polygonum orientale " (I)
*"Polygonum pensylvanicum " (N)
*"Polygonum perfoliatum " (I)
*"Polygonum persicaria " (I)
*"Polygonum punctatum" var. "confertiflorum" (N)
*"Polygonum punctatum" var. "punctatum" (N)
*"Polygonum ramosissimum" var. "ramosissimum" (N)
*"Polygonum robustius " (N)
*"Polygonum sachalinense " (I)
*"Polygonum sagittatum " (N)
*"Polygonum scandens" var. "cristatum" (N)
*"Polygonum scandens" var. "dumetorum" (N)
*"Polygonum scandens" var. "scandens" (N)
*"Polygonum scandens" var. "dumetorum" (I)
*"Polygonum setaceum " (N)
*"Polygonum tenue " (N)
*"Polygonum virginianum " (N)
*"Polymnia canadensis " (N)
*"Polypodium appalachianum " (N)
*"Polypodium virginianum " (N)
*"Polystichum acrostichoides" var. "acrostichoides" (N)
*"Pontederia cordata " (N)
*"Populus alba " (I)
*"Populus balsamifera" ssp. "balsamifera" (N)
*"Populus × canadensis " (N)
*"Populus × canescens " (I)
*"Populus deltoides" ssp. "deltoides" (N)
*"Populus deltoides" ssp. "monilifera" (N)
*"Populus grandidentata " (N)
*"Populus heterophylla " (N)
*"Populus × jackii " (N)
*"Populus nigra " (I)
*"Populus × smithii " (N)
*"Populus tremuloides " (N)
*"Portulaca grandiflora " (I)
*"Portulaca oleracea " (I)
*"Portulaca oleracea " (N)
*"Potamogeton amplifolius " (N)
*"Potamogeton crispus " (I)
*"Potamogeton diversifolius " (N)
*"Potamogeton epihydrus " (N)
*"Potamogeton foliosus" ssp. "foliosus" (N)
*"Potamogeton friesii " (N)
*"Potamogeton gramineus " (N)
*"Potamogeton × hagstroemii " (N)
*"Potamogeton hillii " (N)
*"Potamogeton illinoensis " (N)
*"Potamogeton natans " (N)
*"Potamogeton nodosus " (N)
*"Potamogeton perfoliatus " (N)
*"Potamogeton praelongus " (N)
*"Potamogeton pulcher " (N)
*"Potamogeton pusillus" ssp. "pusillus" (N)
*"Potamogeton pusillus" ssp. "tenuissimus" (N)
*"Potamogeton × rectifolius " (N)
*"Potamogeton richardsonii " (N)
*"Potamogeton robbinsii " (N)
*"Potamogeton spirillus " (N)
*"Potamogeton strictifolius " (N)
*"Potamogeton tennesseensis " (N)
*"Potamogeton vaseyi " (N)
*"Potamogeton zosteriformis " (N)
*"Potentilla argentea" var. "argentea" (I)
*"Potentilla arguta" ssp. "arguta" (N)
*"Potentilla canadensis" var. "canadensis" (N)
*"Potentilla canadensis" var. "villosissima" (N)
*"Potentilla inclinata " (I)
*"Potentilla intermedia " (I)
*"Potentilla norvegica" ssp. "monspeliensis" (N)
*"Potentilla paradoxa " (N)
*"Potentilla pensylvanica" var. "pensylvanica" (N)
*"Potentilla recta " (I)
*"Potentilla reptans " (I)
*"Potentilla simplex " (N)
*"Prenanthes alba " (N)
*"Prenanthes altissima " (N)
*"Prenanthes aspera " (N)
*"Prenanthes crepidinea " (N)
*"Prenanthes racemosa" var. "racemosa" (N)
*"Prenanthes serpentaria " (N)
*"Prenanthes trifoliolata " (N)
*"Proboscidea louisianica" ssp. "louisianica" (N)
*"Prosartes lanuginosa " (N)
*"Prosartes maculata " (N)
*"Proserpinaca palustris" var. "amblyogona" (N)
*"Proserpinaca palustris" var. "crebra" (N)
*"Prunella laciniata " (I)
*"Prunella vulgaris" ssp. "lanceolata" (N)
*"Prunus americana " (N)
*"Prunus avium " (I)
*"Prunus cerasifera " (I)
*"Prunus cerasus " (I)
*"Prunus domestica" var. "domestica" (I)
*"Prunus hortulana " (N)
*"Prunus mahaleb " (I)
*"Prunus mexicana " (N)
*"Prunus munsoniana " (N)
*"Prunus nigra " (N)
*"Prunus pensylvanica" var. "pensylvanica" (N)
*"Prunus persica" var. "persica" (I)
*"Prunus pumila" var. "pumila" (N)
*"Prunus serotina" var. "serotina" (N)
*"Prunus subhirtella " (I)
*"Prunus susquehanae " (N)
*"Prunus tomentosa " (I)
*"Prunus virginiana" var. "virginiana" (N)
*"Pseudognaphalium macounii " (N)
*"Pseudognaphalium obtusifolium" ssp. "obtusifolium" (N)
*"Pseudolysimachion longifolium " (I)
*"Ptelea trifoliata" ssp. "trifoliata" var. "trifoliata" (N)
*"Ptelea trifoliata" ssp. "trifoliata" (N)
*"Pteridium aquilinum" var. "latiusculum" (N)
*"Pteridium aquilinum" var. "pseudocaudatum" (N)
*"Puccinellia distans " (N)
*"Puccinellia distans" ssp. "distans" (I)
*"Pueraria montana" var. "lobata" (I)
*"Pycnanthemum incanum" var. "incanum" (N)
*"Pycnanthemum incanum" var. "puberulum" (N)
*"Pycnanthemum muticum " (N)
*"Pycnanthemum pycnanthemoides" var. "pycnanthemoides" (N)
*"Pycnanthemum tenuifolium " (N)
*"Pycnanthemum verticillatum" var. "pilosum" (N)
*"Pycnanthemum verticillatum" var. "verticillatum" (N)
*"Pycnanthemum virginianum " (N)
*"Pyracantha coccinea " (I)
*"Pyracantha coccinea " (N)
*"Pyrola americana " (N)
*"Pyrola asarifolia" ssp. "asarifolia" (N)
*"Pyrola chlorantha " (N)
*"Pyrola elliptica " (N)
*"Pyrus calleryana " (I)
*"Pyrus communis " (I)Q
*"
Quercus alba " (N)
*"Quercus × bebbiana " (N)
*"Quercus bicolor " (N)
*"Quercus × bushii " (N)
*"Quercus coccinea" var. "coccinea" (N)
*"Quercus coccinea" var. "tuberculata" (N)
*"Quercus × deamii " (N)
*"Quercus ellipsoidalis " (N)
*"Quercus × exacta " (N)
*"Quercus falcata " (N)
*"Quercus × fontana " (N)
*"Quercus × hawkinsiae " (N)
*"Quercus imbricaria " (N)
*"Quercus × jackiana " (N)
*"Quercus × leana " (N)
*"Quercus macrocarpa" var. "macrocarpa" (N)
*"Quercus marilandica" var. "marilandica" (N)
*"Quercus muehlenbergii " (N)
*"Quercus × mutabilis " (N)
*"Quercus × palaeolithicola " (N)
*"Quercus palustris " (N)
*"Quercus prinus " (N)
*"Quercus robur " (I)
*"Quercus rubra" var. "ambigua" (N)
*"Quercus rubra" var. "rubra" (N)
*"Quercus × runcinata " (N)
*"Quercus × saulii " (N)
*"Quercus × schuettei " (N)
*"Quercus shumardii" var. "schneckii" (N)
*"Quercus shumardii" var. "shumardii" (N)
*"Quercus stellata " (N)
*"Quercus × tridentata " (N)
*"Quercus velutina " (N)R
*"
Ranunculus abortivus " (N)
*"Ranunculus acris" var. "acris" (N)
*"Ranunculus acris" var. "acris" (I)
*"Ranunculus allegheniensis " (N)
*"Ranunculus ambigens " (N)
*"Ranunculus arvensis " (I)
*"Ranunculus bulbosus " (I)
*"Ranunculus fascicularis " (N)
*"Ranunculus ficaria" var. "bulbifera" (I)
*"Ranunculus flabellaris " (N)
*"Ranunculus hispidus" var. "caricetorum" (N)
*"Ranunculus hispidus" var. "hispidus" (N)
*"Ranunculus hispidus" var. "nitidus" (N)
*"Ranunculus longirostris " (N)
*"Ranunculus micranthus " (N)
*"Ranunculus parviflorus " (I)
*"Ranunculus pensylvanicus " (N)
*"Ranunculus pusillus" var. "pusillus" (N)
*"Ranunculus recurvatus" var. "recurvatus" (N)
*"Ranunculus repens " (I)
*"Ranunculus sceleratus" var. "sceleratus" (N)
*"Raphanus raphanistrum " (I)
*"Raphanus sativus " (I)
*"Ratibida columnifera " (N)
*"Ratibida pinnata " (N)
*"Reseda alba " (I)
*"Reseda lutea " (I)
*"Reseda luteola " (I)
*"Rhamnus alnifolia " (N)
*"Rhamnus cathartica " (I)
*"Rhamnus davurica" ssp. "davurica" (I)
*"Rhamnus lanceolata" ssp. "glabrata" (N)
*"Rhamnus lanceolata" ssp. "lanceolata" (N)
*"Rhamnus utilis " (I)
*"Rheum rhabarbarum " (I)
*"Rhexia virginica " (N)
*"Rhododendron calendulaceum " (N)
*"Rhododendron maximum " (N)
*"Rhododendron periclymenoides " (N)
*"Rhododendron prinophyllum " (N)
*"Rhodotypos scandens " (I)
*"Rhus aromatica" var. "arenaria" (N)
*"Rhus aromatica" var. "aromatica" (N)
*"Rhus copallinum" var. "latifolia" (N)
*"Rhus glabra " (N)
*"Rhus pulvinata " (N)
*"Rhus typhina " (N)
*"Rhynchospora alba " (N)
*"Rhynchospora capillacea " (N)
*"Rhynchospora capitellata " (N)
*"Rhynchospora recognita " (N)
*"Ribes americanum " (N)
*"Ribes aureum" var. "villosum" (N)
*"Ribes cynosbati " (N)
*"Ribes glandulosum " (N)
*"Ribes hirtellum " (N)
*"Ribes missouriense " (N)
*"Ribes nigrum " (I)
*"Ribes oxyacanthoides" ssp. "oxyacanthoides" (N)
*"Ribes rotundifolium " (N)
*"Ribes rubrum " (I)
*"Ribes triste " (N)
*"Ribes uva-crispa" var. "sativum" (I)
*"Ricinus communis " (I)
*"Robinia × ambigua " (N)
*"Robinia hispida" var. "fertilis" (N)
*"Robinia hispida" var. "hispida" (N)
*"Robinia pseudoacacia " (N)
*"Robinia viscosa" var. "viscosa" (N)
*"Rorippa palustris" ssp. "fernaldiana" (N)
*"Rorippa palustris" ssp. "hispida" (N)
*"Rorippa sessiliflora " (N)
*"Rorippa sylvestris " (I)
*"Rosa arkansana" var. "suffulta" (N)
*"Rosa blanda" var. "blanda" (N)
*"Rosa canina " (I)
*"Rosa carolina" var. "carolina" (N)
*"Rosa centifolia " (I)
*"Rosa cinnamomea " (I)
*"Rosa eglanteria " (I)
*"Rosa gallica " (I)
*"Rosa majalis " (I)
*"Rosa micrantha " (I)
*"Rosa multiflora " (I)
*"Rosa nitida " (N)
*"Rosa × palustriformis " (N)
*"Rosa palustris " (N)
*"Rosa pimpinellifolia " (I)
*"Rosa × rudiuscula " (N)
*"Rosa rugosa " (I)
*"Rosa setigera" var. "setigera" (N)
*"Rosa setigera" var. "tomentosa" (N)
*"Rosa wichuraiana " (I)
*"Rotala ramosior " (N)
*"Rubus aboriginum " (N)
*"Rubus allegheniensis" var. "allegheniensis" (N)
*"Rubus allegheniensis" var. "gravesii" (N)
*"Rubus alumnus " (N)
*"Rubus argutus " (N)
*"Rubus armeniacus " (I)
*"Rubus baileyanus " (N)
*"Rubus bellobatus " (N)
*"Rubus canadensis " (N)
*"Rubus deamii " (N)
*"Rubus depavitus " (N)
*"Rubus fecundus " (N)
*"Rubus flagellaris " (N)
*"Rubus frondosus " (N)
*"Rubus hispidus " (N)
*"Rubus idaeus" ssp. "strigosus" (N)
*"Rubus idaeus" ssp. "idaeus" (I)
*"Rubus invisus " (N)
*"Rubus laciniatus " (I)
*"Rubus laudatus " (N)
*"Rubus meracus " (N)
*"Rubus michiganensis " (N)
*"Rubus multifer " (N)
*"Rubus occidentalis " (N)
*"Rubus odoratus" var. "odoratus" (N)
*"Rubus pensilvanicus " (N)
*"Rubus pergratus " (N)
*"Rubus philadelphicus " (N)
*"Rubus phoenicolasius " (I)
*"Rubus plicatifolius " (N)
*"Rubus prestonensis " (N)
*"Rubus pubescens" var. "pubescens" (N)
*"Rubus recurvans " (N)
*"Rubus recurvicaulis " (N)
*"Rubus roribaccus " (N)
*"Rubus rosa " (N)
*"Rubus setosus " (N)
*"Rubus suus " (N)
*"Rubus trivialis " (N)
*"Rubus uvidus " (N)
*"Rubus vagus " (N)
*"Rudbeckia fulgida" var. "deamii" (N)
*"Rudbeckia fulgida" var. "fulgida" (N)
*"Rudbeckia fulgida" var. "speciosa" (N)
*"Rudbeckia fulgida" var. "umbrosa" (N)
*"Rudbeckia grandiflora" var. "grandiflora" (N)
*"Rudbeckia hirta" var. "hirta" (N)
*"Rudbeckia hirta" var. "pulcherrima" (N)
*"Rudbeckia laciniata" var. "laciniata" (N)
*"Rudbeckia triloba" var. "triloba" (N)
*"Ruellia caroliniensis" ssp. "caroliniensis" var. "caroliniensis" (N)
*"Ruellia caroliniensis" ssp. "caroliniensis" (N)
*"Ruellia humilis " (N)
*"Ruellia strepens " (N)
*"Rumex acetosa " (N)
*"Rumex acetosa" ssp. "acetosa" (I)
*"Rumex acetosella " (I)
*"Rumex × acutus " (I)
*"Rumex × acutus " (N)
*"Rumex altissimus " (N)
*"Rumex conglomeratus " (I)
*"Rumex crispus" ssp. "crispus" (I)
*"Rumex maritimus " (N)
*"Rumex obtusifolius " (I)
*"Rumex orbiculatus" var. "borealis" (N)
*"Rumex orbiculatus" var. "orbiculatus" (N)
*"Rumex patientia " (I)
*"Rumex salicifolius" var. "mexicanus" (N)
*"Rumex verticillatus " (N)
*"Ruppia cirrhosa " (N)S
*"
Sabatia angularis " (N)
*"Saccharum alopecuroides " (N)
*"Saccharum ravennae " (I)
*"Sagina decumbens" ssp. "decumbens" (N)
*"Sagina japonica " (I)
*"Sagina procumbens " (I)
*"Sagina procumbens " (N)
*"Sagittaria australis " (N)
*"Sagittaria brevirostra " (N)
*"Sagittaria calycina" var. "calycina" (N)
*"Sagittaria cuneata " (N)
*"Sagittaria graminea" var. "graminea" (N)
*"Sagittaria latifolia " (N)
*"Sagittaria platyphylla " (N)
*"Sagittaria rigida " (N)
*"Salicornia depressa " (N)
*"Salix alba " (I)
*"Salix amygdaloides " (N)
*"Salix bebbiana " (N)
*"Salix candida " (N)
*"Salix caprea " (I)
*"Salix caroliniana " (N)
*"Salix cinerea " (I)
*"Salix discolor " (N)
*"Salix × ehrhartiana " (I)
*"Salix × ehrhartiana " (N)
*"Salix eriocephala " (N)
*"Salix fragilis " (I)
*"Salix × glatfelteri " (N)
*"Salix humilis" var. "humilis" (N)
*"Salix humilis" var. "tristis" (N)
*"Salix interior " (N)
*"Salix lucida" ssp. "lucida" (N)
*"Salix matsudana " (I)
*"Salix myricoides" var. "albovestita" (N)
*"Salix myricoides" var. "myricoides" (N)
*"Salix nigra " (N)
*"Salix pedicellaris " (N)
*"Salix × pendulina " (I)
*"Salix pentandra " (I)
*"Salix petiolaris " (N)
*"Salix purpurea " (I)
*"Salix × rubens " (I)
*"Salix sericea " (N)
*"Salix serissima " (N)
*"Salix viminalis " (I)
*"Salsola collina " (I)
*"Salsola tragus " (I)
*"Salvia azurea" var. "grandiflora" (N)
*"Salvia coccinea " (N)
*"Salvia farinacea " (N)
*"Salvia lyrata " (N)
*"Salvia officinalis " (I)
*"Salvia pratensis " (I)
*"Salvia reflexa " (N)
*"Salvia splendens " (I)
*"Salvia × superba " (I)
*"Salvia × sylvestris " (I)
*"Sambucus nigra " (I)
*"Sambucus nigra" ssp. "canadensis" (N)
*"Sambucus racemosa" var. "racemosa" (N)
*"Samolus valerandi " (I)
*"Samolus valerandi" ssp. "parviflorus" (N)
*"Sanguinaria canadensis " (N)
*"Sanguisorba canadensis " (N)
*"Sanguisorba minor" ssp. "balearica" (I)
*"Sanicula canadensis" var. "canadensis" (N)
*"Sanicula canadensis" var. "grandis" (N)
*"Sanicula marilandica " (N)
*"Sanicula odorata " (N)
*"Sanicula smallii " (N)
*"Sanicula trifoliata " (N)
*"Saponaria officinalis " (I)
*"Sarracenia purpurea" ssp. "purpurea" (N)
*"Sassafras albidum " (N)
*"Satureja hortensis " (I)
*"Saururus cernuus " (N)
*"Saxifraga pensylvanica " (N)
*"Saxifraga virginiensis" var. "virginiensis" (N)
*"Scabiosa columbaria " (I)
*"Scandix pecten-veneris " (I)
*"Schedonorus phoenix " (I)
*"Schedonorus pratensis " (I)
*"Scheuchzeria palustris" ssp. "americana" (N)
*"Schizachne purpurascens " (N)
*"Schizachyrium littorale " (N)
*"Schizachyrium scoparium" var. "scoparium" (N)
*"Schoenoplectus acutus" var. "acutus" (N)
*"Schoenoplectus fluviatilis " (N)
*"Schoenoplectus pungens" var. "pungens" (N)
*"Schoenoplectus purshianus " (N)
*"Schoenoplectus saximontanus " (N)
*"Schoenoplectus smithii " (N)
*"Schoenoplectus subterminalis " (N)
*"Schoenoplectus tabernaemontani " (N)
*"Schoenoplectus torreyi " (N)
*"Scilla siberica " (I)
*"Scirpus atrovirens " (N)
*"Scirpus cyperinus " (N)
*"Scirpus expansus " (N)
*"Scirpus georgianus " (N)
*"Scirpus hattorianus " (N)
*"Scirpus pedicellatus " (N)
*"Scirpus pendulus " (N)
*"Scirpus polyphyllus " (N)
*"Scleranthus annuus " (I)
*"Scleria oligantha " (N)
*"Scleria pauciflora" var. "caroliniana" (N)
*"Scleria pauciflora" var. "pauciflora" (N)
*"Scleria triglomerata " (N)
*"Scleria verticillata " (N)
*"Sclerochloa dura " (I)
*"Sclerochloa dura " (N)
*"Scrophularia lanceolata " (N)
*"Scrophularia marilandica " (N)
*"Scutellaria elliptica" var. "elliptica" (N)
*"Scutellaria elliptica" var. "hirsuta" (N)
*"Scutellaria galericulata " (N)
*"Scutellaria incana" var. "incana" (N)
*"Scutellaria integrifolia " (N)
*"Scutellaria lateriflora" var. "lateriflora" (N)
*"Scutellaria nervosa " (N)
*"Scutellaria ovata" ssp. "ovata" (N)
*"Scutellaria parvula" var. "missouriensis" (N)
*"Scutellaria parvula" var. "parvula" (N)
*"Scutellaria saxatilis " (N)
*"Scutellaria serrata " (N)
*"Secale cereale " (I)
*"Securigera varia " (I)
*"Sedum acre " (I)
*"Sedum album " (I)
*"Sedum dendroideum " (I)
*"Sedum pulchellum " (N)
*"Sedum reflexum " (I)
*"Sedum sarmentosum " (I)
*"Sedum sexangulare " (I)
*"Sedum ternatum " (N)
*"Selaginella apoda " (N)
*"Selaginella eclipes " (N)
*"Selaginella rupestris " (N)
*"Senecio sylvaticus " (I)
*"Senecio vulgaris " (I)
*"Senna hebecarpa " (N)
*"Senna marilandica " (N)
*"Sericocarpus asteroides " (N)
*"Sericocarpus linifolius " (N)
*"Sesamum orientale " (I)
*"Setaria faberi " (I)
*"Setaria italica " (I)
*"Setaria parviflora " (N)
*"Setaria pumila" ssp. "pumila" (I)
*"Setaria verticillata " (I)
*"Setaria viridis" var. "viridis" (I)
*"Shepherdia canadensis " (N)
*"Sherardia arvensis " (I)
*"Sibara virginica " (N)
*"Sicyos angulatus " (N)
*"Sida hermaphrodita " (N)
*"Sida spinosa " (N)
*"Silene antirrhina " (N)
*"Silene armeria " (I)
*"Silene caroliniana" ssp. "pensylvanica" (N)
*"Silene caroliniana" ssp. "wherryi" (N)
*"Silene conica " (I)
*"Silene csereii " (I)
*"Silene dichotoma " (I)
*"Silene dioica " (I)
*"Silene latifolia" ssp. "alba" (I)
*"Silene nivea " (N)
*"Silene noctiflora " (I)
*"Silene nutans " (I)
*"Silene regia " (N)
*"Silene rotundifolia " (N)
*"Silene stellata " (N)
*"Silene virginica" var. "virginica" (N)
*"Silene vulgaris " (I)
*"Silphium laciniatum" var. "laciniatum" (N)
*"Silphium perfoliatum" var. "perfoliatum" (N)
*"Silphium terebinthinaceum" var. "luciae-brauniae" (N)
*"Silphium terebinthinaceum" var. "terebinthinaceum" (N)
*"Silphium trifoliatum" var. "latifolium" (N)
*"Silphium trifoliatum" var. "trifoliatum" (N)
*"Silybum marianum " (I)
*"Sinapis alba " (I)
*"Sinapis arvensis" ssp. "arvensis" (I)
*"Sisymbrium altissimum " (I)
*"Sisymbrium irio " (I)
*"Sisymbrium loeselii " (I)
*"Sisymbrium officinale " (I)
*"Sisyrinchium albidum " (N)
*"Sisyrinchium angustifolium " (N)
*"Sisyrinchium atlanticum " (N)
*"Sisyrinchium montanum" var. "crebrum" (N)
*"Sisyrinchium mucronatum " (N)
*"Sium suave " (N)
*"Smallanthus uvedalius " (N)
*"Smilax ecirrhata " (N)
*"Smilax glauca " (N)
*"Smilax herbacea " (N)
*"Smilax illinoensis " (N)
*"Smilax lasioneura " (N)
*"Smilax pulverulenta " (N)
*"Smilax rotundifolia " (N)
*"Smilax tamnoides " (N)
*"Solanum carolinense" var. "carolinense" (N)
*"Solanum dulcamara" var. "dulcamara" (I)
*"Solanum lycopersicum" var. "lycopersicum" (I)
*"Solanum physalifolium " (I)
*"Solanum ptycanthum " (N)
*"Solanum rostratum " (N)
*"Solanum triflorum " (N)
*"Solanum tuberosum " (I)
*"Solidago altissima " (N)
*"Solidago arguta" var. "arguta" (N)
*"Solidago bicolor " (N)
*"Solidago caesia " (N)
*"Solidago canadensis" var. "canadensis" (N)
*"Solidago canadensis" var. "gilvocanescens" (N)
*"Solidago canadensis" var. "hargeri" (N)
*"Solidago erecta " (N)
*"Solidago flexicaulis " (N)
*"Solidago gigantea " (N)
*"Solidago hispida" var. "hispida" (N)
*"Solidago juncea " (N)
*"Solidago nemoralis" var. "nemoralis" (N)
*"Solidago odora" var. "odora" (N)
*"Solidago patula" var. "patula" (N)
*"Solidago puberula" var. "puberula" (N)
*"Solidago rugosa" ssp. "aspera" (N)
*"Solidago rugosa" ssp. "rugosa" var. "rugosa" (N)
*"Solidago rugosa" ssp. "rugosa" var. "villosa" (N)
*"Solidago rugosa" ssp. "rugosa" (N)
*"Solidago rupestris " (N)
*"Solidago sempervirens" var. "sempervirens" (N)
*"Solidago speciosa" var. "rigidiuscula" (N)
*"Solidago speciosa" var. "speciosa" (N)
*"Solidago sphacelata " (N)
*"Solidago squarrosa " (N)
*"Solidago uliginosa" var. "linoides" (N)
*"Solidago uliginosa" var. "uliginosa" (N)
*"Solidago ulmifolia" var. "ulmifolia" (N)
*"Sonchus arvensis" ssp. "arvensis" (I)
*"Sonchus arvensis" ssp. "uliginosus" (I)
*"Sonchus asper " (I)
*"Sonchus oleraceus " (I)
*"Sorbaria sorbifolia " (I)
*"Sorbus aucuparia " (I)
*"Sorbus decora " (N)
*"Sorghastrum nutans " (N)
*"Sorghum bicolor" ssp. "bicolor" (I)
*"Sorghum halepense " (I)
*"Sparganium americanum " (N)
*"Sparganium androcladum " (N)
*"Sparganium emersum " (I)
*"Sparganium emersum " (N)
*"Sparganium eurycarpum " (N)
*"Spartina pectinata " (N)
*"Spergula arvensis " (I)
*"Spergularia maritima " (I)
*"Spergularia rubra " (I)
*"Spergularia salina " (N)
*"Spermacoce glabra " (N)
*"Sphenopholis intermedia " (N)
*"Sphenopholis nitida " (N)
*"Sphenopholis obtusata " (N)
*"Sphenopholis × pallens " (N)
*"Sphenopholis pensylvanica " (N)
*"Spinacia oleracea " (I)
*"Spiraea alba" var. "alba" (N)
*"Spiraea alba" var. "latifolia" (N)
*"Spiraea japonica" var. "fortunei" (I)
*"Spiraea prunifolia " (I)
*"Spiraea tomentosa " (N)
*"Spiraea × vanhouttei " (I)
*"Spiraea virginiana " (N)
*"Spiranthes cernua " (N)
*"Spiranthes lacera" var. "gracilis" (N)
*"Spiranthes lacera" var. "lacera" (N)
*"Spiranthes lucida " (N)
*"Spiranthes magnicamporum " (N)
*"Spiranthes ochroleuca " (N)
*"Spiranthes ovalis" var. "erostellata" (N)
*"Spiranthes romanzoffiana " (N)
*"Spiranthes tuberosa " (N)
*"Spiranthes vernalis " (N)
*"Spirodela polyrrhiza " (N)
*"Sporobolus compositus" var. "compositus" (N)
*"Sporobolus cryptandrus " (N)
*"Sporobolus heterolepis " (N)
*"Sporobolus neglectus " (N)
*"Sporobolus vaginiflorus" var. "ozarkanus" (N)
*"Sporobolus vaginiflorus" var. "vaginiflorus" (N)
*"Stachys aspera " (N)
*"Stachys cordata " (N)
*"Stachys germanica " (I)
*"Stachys palustris " (N)
*"Stachys pilosa" var. "arenicola" (N)
*"Stachys sylvatica " (I)
*"Stachys tenuifolia " (N)
*"Staphylea trifolia " (N)
*"Stellaria alsine " (N)
*"Stellaria corei " (N)
*"Stellaria graminea " (I)
*"Stellaria holostea " (I)
*"Stellaria longifolia" var. "longifolia" (N)
*"Stellaria media" ssp. "media" (I)
*"Stellaria media" ssp. "pallida" (I)
*"Stellaria pubera " (N)
*"Stenanthium gramineum" var. "gramineum" (N)
*"Stenanthium gramineum" var. "robustum" (N)
*"Stenaria nigricans" var. "nigricans" (N)
*"Stenosiphon linifolius " (N)
*"Streptopus lanceolatus" var. "lanceolatus" (N)
*"Streptopus lanceolatus" var. "roseus" (N)
*"Strophostyles helvola " (N)
*"Strophostyles leiosperma " (N)
*"Strophostyles umbellata " (N)
*"Stuckenia filiformis" ssp. "alpina" (N)
*"Stuckenia pectinata " (N)
*"Stuckenia vaginata " (N)
*"Stylophorum diphyllum " (N)
*"Stylosanthes biflora " (N)
*"Styphnolobium japonicum " (I)
*"Styrax americanus " (N)
*"Styrax grandifolius " (N)
*"Suaeda calceoliformis " (N)
*"Sullivantia sullivantii " (N)
*"Symphoricarpos albus" var. "albus" (N)
*"Symphoricarpos albus" var. "laevigatus" (N)
*"Symphoricarpos occidentalis " (N)
*"Symphoricarpos orbiculatus " (N)
*"Symphyotrichum boreale " (N)
*"Symphyotrichum ciliatum " (N)
*"Symphyotrichum cordifolium " (N)
*"Symphyotrichum drummondii" var. "drummondii" (N)
*"Symphyotrichum dumosum" var. "strictior" (N)
*"Symphyotrichum ericoides" var. "ericoides" (N)
*"Symphyotrichum laeve" var. "laeve" (N)
*"Symphyotrichum lanceolatum" ssp. "lanceolatum" var. "hirsuticaule" (N)
*"Symphyotrichum lanceolatum" ssp. "lanceolatum" var. "interior" (N)
*"Symphyotrichum lanceolatum" ssp. "lanceolatum" var. "lanceolatum" (N)
*"Symphyotrichum lanceolatum" ssp. "lanceolatum" var. "latifolium" (N)
*"Symphyotrichum lanceolatum" ssp. "lanceolatum" (N)
*"Symphyotrichum lateriflorum" var. "lateriflorum" (N)
*"Symphyotrichum lowrieanum " (N)
*"Symphyotrichum novae-angliae " (N)
*"Symphyotrichum oblongifolium " (N)
*"Symphyotrichum ontarionis " (N)
*"Symphyotrichum oolentangiense" var. "oolentangiense" (N)
*"Symphyotrichum patens" var. "patens" (N)
*"Symphyotrichum phlogifolium " (N)
*"Symphyotrichum pilosum" var. "pilosum" (N)
*"Symphyotrichum pilosum" var. "pringlei" (N)
*"Symphyotrichum praealtum" var. "praealtum" (N)
*"Symphyotrichum prenanthoides " (N)
*"Symphyotrichum puniceum" var. "puniceum" (N)
*"Symphyotrichum racemosum " (N)
*"Symphyotrichum sericeum " (N)
*"Symphyotrichum shortii " (N)
*"Symphyotrichum subulatum " (N)
*"Symphyotrichum undulatum " (N)
*"Symphyotrichum urophyllum " (N)
*"Symphytum asperum " (I)
*"Symphytum officinale " (I)
*"Symplocarpus foetidus " (N)
*"Synandra hispidula " (N)
*"Syringa vulgaris " (I)T
*"
Taenidia integerrima " (N)
*"Tagetes erecta " (I)
*"Tagetes patula " (I)
*"Tamarix chinensis " (I)
*"Tanacetum balsamita " (I)
*"Tanacetum coccineum " (I)
*"Tanacetum parthenium " (I)
*"Tanacetum vulgare " (I)
*"Taraxacum laevigatum " (I)
*"Taraxacum officinale " (N)
*"Taraxacum officinale" ssp. "officinale" (I)
*"Taxodium distichum " (N)
*"Taxus canadensis " (N)
*"Taxus cuspidata " (I)
*"Tephrosia virginiana " (N)
*"Tetradium daniellii " (I)
*"Tetragonia tetragonioides " (I)
*"Tetraneuris herbacea " (N)
*"Teucrium canadense" var. "canadense" (N)
*"Teucrium canadense" var. "occidentale" (N)
*"Thalictrum dasycarpum " (N)
*"Thalictrum dioicum " (N)
*"Thalictrum pubescens " (N)
*"Thalictrum revolutum " (N)
*"Thalictrum thalictroides " (N)
*"Thaspium barbinode " (N)
*"Thaspium trifoliatum" var. "aureum" (N)
*"Thaspium trifoliatum" var. "trifoliatum" (N)
*"Thelypteris noveboracensis " (N)
*"Thelypteris palustris" var. "pubescens" (N)
*"Thlaspi alliaceum " (I)
*"Thlaspi arvense " (I)
*"Thuja occidentalis " (N)
*"Thymelaea passerina " (I)
*"Thymelaea passerina " (N)
*"Thymus praecox" ssp. "arcticus" (I)
*"Tiarella cordifolia" var. "cordifolia" (N)
*"Tilia americana" var. "americana" (N)
*"Tilia americana" var. "heterophylla" (N)
*"Tilia × europaea " (I)
*"Tipularia discolor " (N)
*"Torilis arvensis" ssp. "arvensis" (N)
*"Torilis arvensis" ssp. "arvensis" (I)
*"Torilis japonica " (I)
*"Torreyochloa pallida" var. "pallida" (N)
*"Toxicodendron radicans" ssp. "negundo" (N)
*"Toxicodendron rydbergii " (N)
*"Toxicodendron vernix " (N)
*"Tradescantia ohiensis " (N)
*"Tradescantia subaspera" var. "subaspera" (N)
*"Tradescantia virginiana " (N)
*"Tragopogon dubius " (I)
*"Tragopogon lamottei " (I)
*"Tragopogon porrifolius " (I)
*"Triadenum fraseri " (N)
*"Triadenum tubulosum " (N)
*"Triadenum virginicum " (N)
*"Triadenum walteri " (N)
*"Triantha glutinosa " (N)
*"Tribulus terrestris " (I)
*"Trichomanes boschianum " (N)
*"Trichomanes intricatum " (N)
*"Trichophorum planifolium " (N)
*"Trichostema brachiatum " (N)
*"Trichostema dichotomum " (N)
*"Trichostema setaceum " (N)
*"Tridens flavus" var. "flavus" (N)
*"Trientalis borealis" ssp. "borealis" (N)
*"Trifolium ambiguum " (I)
*"Trifolium arvense " (I)
*"Trifolium aureum " (I)
*"Trifolium campestre " (I)
*"Trifolium dubium " (I)
*"Trifolium hybridum " (I)
*"Trifolium incarnatum " (I)
*"Trifolium pratense " (I)
*"Trifolium reflexum " (N)
*"Trifolium repens " (I)
*"Trifolium resupinatum " (I)
*"Trifolium stoloniferum " (N)
*"Triglochin maritima " (N)
*"Triglochin palustris " (N)
*"Trillium cernuum " (N)
*"Trillium erectum " (N)
*"Trillium flexipes " (N)
*"Trillium grandiflorum " (N)
*"Trillium nivale " (N)
*"Trillium recurvatum " (N)
*"Trillium sessile " (N)
*"Trillium undulatum " (N)
*"Triodanis perfoliata " (N)
*"Triosteum angustifolium " (N)
*"Triosteum aurantiacum" var. "aurantiacum" (N)
*"Triosteum aurantiacum" var. "glaucescens" (N)
*"Triosteum aurantiacum" var. "illinoense" (N)
*"Triosteum perfoliatum " (N)
*"Triphora trianthophora " (N)
*"Triplasis purpurea " (N)
*"Tripleurospermum maritimum " (N)
*"Tripleurospermum maritimum" ssp. "maritimum" (I)
*"Tripsacum dactyloides " (N)
*"Triticum aestivum " (I)
*"Trollius laxus" ssp. "laxus" (N)
*"Tsuga canadensis " (N)
*"Tulipa gesneriana " (I)
*"Tussilago farfara " (I)
*"Typha angustifolia " (I)
*"Typha angustifolia " (N)
*"Typha × glauca " (N)
*"Typha latifolia " (N)U
*"
Ulmus americana " (N)
*"Ulmus procera " (I)
*"Ulmus pumila " (I)
*"Ulmus rubra " (N)
*"Ulmus thomasii " (N)
*"Urtica chamaedryoides " (N)
*"Urtica dioica" ssp. "gracilis" (N)
*"Urtica dioica" ssp. "dioica" (I)
*"Utricularia cornuta " (N)
*"Utricularia geminiscapa " (N)
*"Utricularia gibba " (N)
*"Utricularia intermedia " (N)
*"Utricularia macrorhiza " (N)
*"Utricularia minor " (N)
*"Uvularia grandiflora " (N)
*"Uvularia perfoliata " (N)
*"Uvularia sessilifolia " (N)V
*"
Vaccaria hispanica " (I)
*"Vaccinium angustifolium " (N)
*"Vaccinium corymbosum " (N)
*"Vaccinium fuscatum " (N)
*"Vaccinium macrocarpon " (N)
*"Vaccinium myrtilloides " (N)
*"Vaccinium oxycoccos " (N)
*"Vaccinium pallidum " (N)
*"Vaccinium simulatum " (N)
*"Vaccinium stamineum " (N)
*"Valeriana edulis" var. "ciliata" (N)
*"Valeriana officinalis " (I)
*"Valeriana pauciflora " (N)
*"Valeriana uliginosa " (N)
*"Valerianella chenopodiifolia " (N)
*"Valerianella locusta " (I)
*"Valerianella radiata " (N)
*"Valerianella umbilicata " (N)
*"Vallisneria americana " (N)
*"Veratrum virginicum " (N)
*"Veratrum viride " (N)
*"Veratrum woodii " (N)
*"Verbascum blattaria " (I)
*"Verbascum phlomoides " (I)
*"Verbascum phoeniceum " (I)
*"Verbascum thapsus " (I)
*"Verbascum virgatum " (I)
*"Verbena bracteata " (N)
*"Verbena × engelmannii " (N)
*"Verbena hastata" var. "hastata" (N)
*"Verbena × moechina " (N)
*"Verbena simplex " (N)
*"Verbena stricta " (N)
*"Verbena urticifolia" var. "leiocarpa" (N)
*"Verbena urticifolia" var. "urticifolia" (N)
*"Verbesina alternifolia " (N)
*"Verbesina helianthoides " (N)
*"Verbesina occidentalis " (N)
*"Verbesina virginica" var. "virginica" (N)
*"Vernonia arkansana " (N)
*"Vernonia fasciculata" ssp. "fasciculata" (N)
*"Vernonia gigantea" ssp. "gigantea" (N)
*"Vernonia × illinoensis " (N)
*"Vernonia missurica " (N)
*"Vernonia noveboracensis " (N)
*"Veronica agrestis " (I)
*"Veronica americana " (N)
*"Veronica anagallis-aquatica " (N)
*"Veronica arvensis " (I)
*"Veronica austriaca" ssp. "teucrium" (I)
*"Veronica beccabunga " (I)
*"Veronica chamaedrys " (I)
*"Veronica filiformis " (I)
*"Veronica hederifolia " (I)
*"Veronica officinalis" var. "officinalis" (I)
*"Veronica peregrina" ssp. "peregrina" (N)
*"Veronica peregrina" ssp. "xalapensis" (N)
*"Veronica persica " (I)
*"Veronica polita " (I)
*"Veronica scutellata " (N)
*"Veronica serpyllifolia " (N)
*"Veronica serpyllifolia" ssp. "serpyllifolia" (I)
*"Veronica verna " (I)
*"Veronicastrum virginicum " (N)
*"Viburnum acerifolium " (N)
*"Viburnum buddleifolium " (I)
*"Viburnum dentatum" var. "dentatum" (N)
*"Viburnum dentatum" var. "venosum" (N)
*"Viburnum lantana " (I)
*"Viburnum lantanoides " (N)
*"Viburnum lentago " (N)
*"Viburnum molle " (N)
*"Viburnum nudum" var. "cassinoides" (N)
*"Viburnum opulus" var. "americanum" (N)
*"Viburnum opulus" var. "opulus" (I)
*"Viburnum plicatum " (I)
*"Viburnum prunifolium " (N)
*"Viburnum rafinesqueanum " (N)
*"Viburnum recognitum " (N)
*"Viburnum × rhytidophylloides " (I)
*"Viburnum rufidulum " (N)
*"Vicia americana" ssp. "americana" (N)
*"Vicia caroliniana " (N)
*"Vicia cracca" ssp. "cracca" (I)
*"Vicia hirsuta " (I)
*"Vicia sativa" ssp. "nigra" (I)
*"Vicia sativa" ssp. "sativa" (I)
*"Vicia tetrasperma " (I)
*"Vicia villosa" ssp. "varia" (I)
*"Vicia villosa" ssp. "villosa" (I)
*"Vigna unguiculata " (I)
*"Vinca major " (I)
*"Vinca minor " (I)
*"Viola affinis " (N)
*"Viola arvensis " (I)
*"Viola × bernardii " (N)
*"Viola bicolor " (N)
*"Viola × bissellii " (N)
*"Viola blanda" var. "blanda" (N)
*"Viola blanda" var. "palustriformis" (N)
*"Viola × brauniae " (N)
*"Viola canadensis" var. "canadensis" (N)
*"Viola × conjugens " (N)
*"Viola × consobrina " (N)
*"Viola × cooperrideri " (N)
*"Viola × cordifolia " (N)
*"Viola cucullata " (N)
*"Viola × eclipes " (N)
*"Viola × filicetorum " (N)
*"Viola hastata " (N)
*"Viola hirsutula " (N)
*"Viola labradorica " (N)
*"Viola lanceolata" ssp. "lanceolata" (N)
*"Viola macloskeyi" ssp. "pallens" (N)
*"Viola × malteana " (N)
*"Viola missouriensis " (N)
*"Viola nephrophylla " (N)
*"Viola odorata " (I)
*"Viola × palmata " (N)
*"Viola pedata " (N)
*"Viola pedatifida " (N)
*"Viola × populifolia " (N)
*"Viola × primulifolia " (N)
*"Viola pubescens" var. "pubescens" (N)
*"Viola pubescens" var. "scabriuscula" (N)
*"Viola × ravida " (N)
*"Viola rostrata " (N)
*"Viola rotundifolia " (N)
*"Viola sagittata" var. "ovata" (N)
*"Viola sagittata" var. "sagittata" (N)
*"Viola selkirkii " (N)
*"Viola × slavinii " (N)
*"Viola sororia " (N)
*"Viola striata " (N)
*"Viola tricolor " (I)
*"Viola triloba" var. "dilatata" (N)
*"Viola triloba" var. "triloba" (N)
*"Viola tripartita " (N)
*"Viola walteri " (N)
*"Viola × wittrockiana " (I)
*"Vitex negundo" var. "heterophylla" (I)
*"Vitis aestivalis" var. "aestivalis" (N)
*"Vitis aestivalis" var. "bicolor" (N)
*"Vitis cinerea" var. "baileyana" (N)
*"Vitis labrusca " (N)
*"Vitis riparia " (N)
*"Vitis vulpina " (N)
*"Vittaria appalachiana " (N)
*"Vulpia bromoides " (I)
*"Vulpia myuros " (I)
*"Vulpia octoflora" var. "glauca" (N)W
*"Waldsteinia fragarioides" ssp. "fragarioides" (N)
*"Wisteria floribunda " (I)
*"Wisteria frutescens " (N)
*"Wolffia borealis " (N)
*"Wolffia brasiliensis " (N)
*"Wolffia columbiana " (N)
*"Wolffiella gladiata " (N)
*"Woodsia ilvensis " (N)
*"Woodsia obtusa" ssp. "obtusa" (N)
*"Woodwardia areolata " (N)
*"Woodwardia virginica " (N)X
*"
Xanthium spinosum " (I)
*"Xanthium strumarium" var. "canadense" (N)
*"Xanthium strumarium" var. "glabratum" (N)
*"Xanthorhiza simplicissima " (N)
*"Xyris difformis" var. "difformis" (N)
*"Xyris torta " (N)Y
*"
Yucca filamentosa " (N)Z
*"
Zannichellia palustris " (N)
*"Zanthoxylum americanum " (N)
*"Zea mays" ssp. "mays" (I)
*"Zelkova serrata " (I)
*"Zigadenus elegans" ssp. "glaucus" (N)
*"Zizania aquatica" var. "aquatica" (N)
*"Zizania palustris" var. "interior" (N)
*"Zizia aptera " (N)
*"Zizia aurea " (N)See also
*
Flora
*Flora of the United States References
[http://plants.usda.gov/ USDA PLANTS Database]
External links
* [http://www.dnr.state.oh.us/tabid/2007/default.aspx Ohio's top ten invasive plants]
* [http://ohiodnr.com/tabid/2018/Default.aspx Rare Native Ohio Plants 2006-2007]
* [http://www.hcs.ohio-state.edu/hcs/webgarden/WGN/native.html Bibliography - Ohio State University Extension]
* [http://www.efloras.org/flora_page.aspx?flora_id=1 "Flora of North America"] United States topic
title =Flora of the United States by political division
prefix = Flora of
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