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Plant
habit
trees
shrubs
vines / lianas
herbaceous
grass-like
ferns & allies
cactus-like / succulents
aquatic & OBL wetland species
special groups
arums
composites
legumes
milkweeds
mints
orchids
spurges
dicots
monocots
longevity
annual or biennial
perennial
armature
unarmed
armed
leaves/twigs aromatic when crushed
without marked odor
clearly odiferous
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
fascicled/clustered along stem
blade division
all simple
deeply lobed or divided
some or all fully compound
Flower
ovaries/pistils per flower
1
2-5
more than 5
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
Vascular Plant Flora of Patuxent Research Refuge
Bill Harms
Species Count: 1217
Acoraceae
Acorus calamus
Alismataceae
Alisma subcordatum
Sagittaria latifolia
Sagittaria subulata
Altingiaceae
Liquidambar styraciflua
Amaranthaceae
Amaranthus hybridus
Amaranthus retroflexus
Amaranthus spinosus
Chenopodium album
Dysphania ambrosioides
Dysphania botrys
Amaryllidaceae
Allium canadense
Allium tuberosum
Allium vineale
Leucojum aestivum
Narcissus poeticus
Narcissus pseudonarcissus
Narcissus x compressus
Narcissus × incomparabilis
Narcissus × medioluteus
Anacardiaceae
Rhus glabra
Rhus typhina
Toxicodendron vernix
Annonaceae
Asimina triloba
Apiaceae
Angelica venenosa
Cryptotaenia canadensis
Daucus carota
Osmorhiza longistylis
Oxypolis rigidior
Sanicula marilandica
Sium suave
Thaspium barbinode
Apocynaceae
Apocynum cannabinum
Asclepias amplexicaulis
Asclepias purpurascens
Asclepias syriaca
Asclepias viridiflora
Vinca minor
Aquifoliaceae
Ilex cornuta
Ilex decidua
Ilex glabra
Ilex laevigata
Ilex opaca
Ilex verticillata
Araceae
Arisaema pusillum
Arisaema triphyllum
Lemna minor
Lemna turionifera
Lemna valdiviana
Orontium aquaticum
Peltandra virginica
Spirodela polyrhiza
Symplocarpus foetidus
Wolffia brasiliensis
Wolffiella gladiata
Araliaceae
Aralia nudicaulis
Aralia spinosa
Hedera helix
Hedera hibernica
Hydrocotyle americana
Hydrocotyle ranunculoides
Panax trifolius
Aristolochiaceae
Aristolochia clematitis
Asparagaceae
Asparagus officinalis
Convallaria majalis
Maianthemum canadense
Maianthemum racemosum
Ornithogalum umbellatum
Yucca filamentosa
Yucca flaccida
Asphodelaceae
Hemerocallis fulva
Aspleniaceae
Asplenium platyneuron
Asteraceae
Achillea millefolium
Ageratina altissima
Ageratina aromatica
Ambrosia artemisiifolia
Ambrosia trifida
Antennaria howellii
Antennaria neglecta
Antennaria plantaginifolia
Anthemis arvensis
Anthemis cotula
Arctium minus
Arnoglossum atriplicifolium
Artemisia vulgaris
Baccharis halimifolia
Bidens aristosa
Bidens bipinnata
Bidens cernua
Bidens connata
Bidens discoidea
Bidens frondosa
Bidens polylepis
Bidens tripartita
Bidens vulgata
Carduus nutans
Centaurea solstitialis
Chondrilla juncea
Chrysopsis mariana
Cichorium intybus
Cirsium arvense
Cirsium discolor
Cirsium vulgare
Conoclinium coelestinum
Conyza canadensis
Coreopsis lanceolata
Coreopsis rosea
Coreopsis verticillata
Cosmos sulphureus
Cyanus segetum
Doellingeria infirma
Doellingeria umbellata
Echinacea purpurea
Eclipta prostrata
Elephantopus carolinianus
Erechtites hieraciifolius
Erigeron annuus
Eupatorium album
Eupatorium capillifolium
Eupatorium cordigerum
Eupatorium godfreyanum
Eupatorium hyssopifolium
Eupatorium perfoliatum
Eupatorium pilosum
Eupatorium pubescens
Eupatorium rotundifolium
Eupatorium serotinum
Eupatorium torreyanum
Eupatorium x cordigerum
Eupatorium × truncatum
Eurybia divaricata
Euthamia graminifolia
Eutrochium dubium
Eutrochium fistulosum
Eutrochium purpureum
Galinsoga quadriradiata
Gamochaeta purpurea
Grindelia squarrosa
Helenium autumnale
Helenium flexuosum
Helianthus angustifolius
Helianthus annuus
Helianthus decapetalus
Helianthus giganteus
Helianthus mollis
Helianthus simulans
Helianthus strumosus
Helianthus tuberosus
Hieracium gronovii
Hieracium paniculatum
Hieracium scabrum
Hieracium venosum
Hypochaeris radicata
Ionactis linariifolia
Krigia cespitosa
Krigia dandelion
Krigia virginica
Lactuca biennis
Lactuca canadensis
Lactuca floridana
Lactuca saligna
Lactuca serriola
Leucanthemum vulgare
Liatris pilosa
Matricaria discoidea
Mikania scandens
Nabalus serpentarius
Packera anonyma
Packera aurea
Pilosella aurantiaca
Pilosella caespitosa
Pilosella officinarum
Pityopsis graminifolia
Pluchea camphorata
Pseudognaphalium obtusifolium
Pyrrhopappus carolinianus
Rudbeckia laciniata
Rudbeckia triloba
Senecio vulgaris
Sericocarpus asteroides
Sericocarpus linifolius
Solidago bicolor
Solidago canadensis
Solidago erecta
Solidago gigantea
Solidago juncea
Solidago latissimifolia
Solidago odora
Solidago puberula
Solidago ulmifolia
Sonchus arvensis
Sonchus asper
Sonchus oleraceus
Symphyotrichum dumosum
Symphyotrichum lanceolatum
Symphyotrichum novae-angliae
Symphyotrichum oblongifolium
Symphyotrichum puniceum
Symphyotrichum racemosum
Symphyotrichum undulatum
Tanacetum vulgare
Taraxacum erythrospermum
Taraxacum officinale
Tithonia rotundifolia
Tragopogon dubius
Tussilago farfara
Verbesina alternifolia
Verbesina occidentalis
Vernonia arkansana
Vernonia glauca
Vernonia noveboracensis
Xanthium strumarium
Youngia
Youngia japonica
Athyriaceae
Athyrium asplenioides
Deparia acrostichoides
Balsaminaceae
Impatiens capensis
Berberidaceae
Berberis julianae
Berberis thunbergii
Mahonia bealei
Podophyllum peltatum
Betulaceae
Alnus serrulata
Betula nigra
Corylus americana
Corylus avellana
Bignoniaceae
Campsis radicans
Catalpa speciosa
Blechnaceae
Anchistea virginica
Lorinseria areolata
Boraginaceae
Buglossoides arvensis
Echium vulgare
Mertensia virginica
Myosotis laxa
Myosotis stricta
Myosotis verna
Brassicaceae
Alliaria petiolata
Arabidopsis thaliana
Barbarea verna
Barbarea vulgaris
Brassica rapa
Capsella bursa-pastoris
Cardamine bulbosa
Cardamine concatenata
Cardamine hirsuta
Cardamine pensylvanica
Draba verna
Hesperis matronalis
Lepidium campestre
Rorippa sylvestris
Sisymbrium altissimum
Sisymbrium officinale
Teesdalia nudicaulis
Thlaspi alliaceum
Thlaspi arvense
Turritis glabra
Cabombaceae
Brasenia schreberi
Cactaceae
Opuntia cespitosa
Campanulaceae
Lobelia cardinalis
Lobelia inflata
Lobelia puberula
Lobelia siphilitica
Lobelia spicata
Triodanis perfoliata
Cannabaceae
Celtis occidentalis
Humulus japonicus
Caprifoliaceae
Diervilla lonicera
Dipsacus fullonum
Lonicera fragrantissima
Lonicera japonica
Lonicera maackii
Lonicera morrowii
Lonicera sempervirens
Lonicera tatarica
Lonicera × bella
Symphoricarpos orbiculatus
Valerianella locusta
Valerianella radiata
Caryophyllaceae
Arenaria leptoclados
Arenaria serpyllifolia
Cerastium arvense
Cerastium glomeratum
Cerastium semidecandrum
Dianthus armeria
Holosteum umbellatum
Myosoton aquaticum
Paronychia canadensis
Paronychia fastigiata
Petrorhagia prolifera
Saponaria officinalis
Scleranthus annuus
Silene antirrhina
Silene latifolia
Silene stellata
Silene vulgaris
Spergula arvensis
Spergularia salina
Stellaria alsine
Stellaria graminea
Stellaria longipes
Stellaria media
Stellaria pubera
Celastraceae
Celastrus orbiculatus
Euonymus americanus
Ceratophyllaceae
Ceratophyllum demersum
Ceratophyllum echinatum
Cistaceae
Crocanthemum bicknellii
Crocanthemum canadense
Lechea minor
Lechea mucronata
Lechea racemulosa
Clethraceae
Clethra alnifolia
Colchicaceae
Uvularia perfoliata
Uvularia sessilifolia
Commelinaceae
Commelina communis
Commelina virginica
Murdannia keisak
Tradescantia virginiana
Conocephalaceae
Conocephalum salebrosum
Convolvulaceae
Convolvulus arvensis
Convolvulus fraterniflorus
Cuscuta compacta
Cuscuta pentagona
Ipomoea coccinea
Ipomoea hederacea
Ipomoea lacunosa
Ipomoea pandurata
Ipomoea purpurea
Cornaceae
Cornus florida
Swida amomum
Crassulaceae
Hylotelephium telephium
Sedum ternatum
Cucurbitaceae
Sicyos angulatus
Cupressaceae
Metasequoia glyptostroboides
Taxodium distichum
Thuja occidentalis
Cyperaceae
Bolboschoenus fluviatilis
Carex
Carex abscondita
Carex aggregata
Carex alata
Carex albicans
Carex albolutescens
Carex amphibola
Carex annectens
Carex atlantica
Carex blanda
Carex caroliniana
Carex cephalophora
Carex comosa
Carex complanata
Carex conjuncta
Carex debilis
Carex digitalis
Carex emmonsii
Carex festucacea
Carex folliculata
Carex frankii
Carex glaucodea
Carex gracillima
Carex grayi
Carex hirsutella
Carex howei
Carex lacustris
Carex laevivaginata
Carex laxiculmis
Carex leavenworthii
Carex longii
Carex louisianica
Carex lupuliformis
Carex lupulina
Carex lurida
Carex nigromarginata
Carex pensylvanica
Carex radiata
Carex rosea
Carex scoparia
Carex seorsa
Carex sparganioides
Carex squarrosa
Carex straminea
Carex stricta
Carex swanii
Carex tonsa
Carex tribuloides
Carex typhina
Carex umbellata
Carex venusta
Carex vestita
Carex virescens
Carex vulpinoidea
Carex willdenowii
Cladium mariscoides
Cyperus
Cyperus bipartitus
Cyperus croceus
Cyperus diandrus
Cyperus difformis
Cyperus echinatus
Cyperus erythrorhizos
Cyperus flavescens
Cyperus hortensis
Cyperus iria
Cyperus lancastriensis
Cyperus lupulinus
Cyperus odoratus
Cyperus polystachyos
Cyperus pseudovegetus
Cyperus retrorsus
Cyperus squarrosus
Cyperus strigosus
Eleocharis acicularis
Eleocharis engelmannii
Eleocharis flavescens
Eleocharis intermedia
Eleocharis obtusa
Eleocharis olivacea
Eleocharis ovata
Eleocharis palustris
Eleocharis quadrangulata
Eriophorum virginicum
Fimbristylis autumnalis
Rhynchospora capitellata
Rhynchospora corniculata
Rhynchospora globularis
Rhynchospora recognita
Schoenoplectiella mucronata
Schoenoplectiella purshiana
Schoenoplectus acutus
Schoenoplectus pungens
Schoenoplectus tabernaemontani
Scirpus
Scirpus atrovirens
Scirpus cyperinus
Scirpus georgianus
Scirpus polyphyllus
Scleria muehlenbergii
Scleria pauciflora
Dennstaedtiaceae
Dennstaedtia punctilobula
Dioscoreaceae
Dioscorea polystachya
Dioscorea villosa
Droseraceae
Drosera intermedia
Drosera rotundifolia
Dryopteridaceae
Dryopteris
Dryopteris carthusiana
Dryopteris cristata
Dryopteris intermedia
Dryopteris marginalis
Dryopteris × triploidea
Polystichum acrostichoides
Ebenaceae
Diospyros virginiana
Elaeagnaceae
Elaeagnus commutata
Elaeagnus umbellata
Equisetaceae
Equisetum arvense
Ericaceae
Chimaphila maculata
Epigaea repens
Eubotrys racemosa
Gaultheria procumbens
Gaylussacia
Gaylussacia baccata
Gaylussacia frondosa
Hypopitys lanuginosa
Hypopitys monotropa
Kalmia angustifolia
Kalmia latifolia
Lyonia ligustrina
Lyonia mariana
Monotropa uniflora
Orthilia secunda
Pyrola americana
Pyrola chlorantha
Pyrola elliptica
Rhododendron periclymenoides
Rhododendron viscosum
Vaccinium corymbosum
Vaccinium fuscatum
Vaccinium macrocarpon
Vaccinium pallidum
Vaccinium stamineum
Euphorbiaceae
Acalypha gracilens
Acalypha rhomboidea
Acalypha virginica
Euphorbia corollata
Euphorbia cyparissias
Euphorbia helioscopia
Euphorbia humistrata
Euphorbia ipecacuanhae
Euphorbia maculata
Euphorbia nutans
Fabaceae
Albizia julibrissin
Apios americana
Baptisia tinctoria
Cercis canadensis
Desmodium ciliare
Desmodium glabellum
Desmodium laevigatum
Desmodium marilandicum
Desmodium obtusum
Desmodium paniculatum
Desmodium perplexum
Desmodium rotundifolium
Desmodium viridiflorum
Galactia regularis
Gleditsia triacanthos
Hylodesmum nudiflorum
Kummerowia stipulacea
Kummerowia striata
Lathyrus hirsutus
Lathyrus latifolius
Lathyrus sylvestris
Lespedeza bicolor
Lespedeza capitata
Lespedeza cuneata
Lespedeza frutescens
Lespedeza hirta
Lespedeza procumbens
Lespedeza repens
Lespedeza stuevei
Lespedeza violacea
Lespedeza virginica
Lespedeza x acuticarpa
Lotus corniculatus
Lotus tenuis
Medicago lupulina
Medicago sativa
Melilotus albus
Melilotus officinalis
Pueraria montana
Robinia pseudoacacia
Securigera varia
Senna hebecarpa
Senna obtusifolia
Strophostyles helvola
Strophostyles leiosperma
Strophostyles umbellata
Stylosanthes biflora
Tephrosia virginiana
Trifolium arvense
Trifolium aureum
Trifolium campestre
Trifolium dubium
Trifolium hybridum
Trifolium incarnatum
Trifolium pratense
Trifolium repens
Vicia cracca
Vicia grandiflora
Vicia hirsuta
Vicia tetrasperma
Wisteria sinensis
Fagaceae
Castanea dentata
Castanea dentata x Castanea mollissima
Castanea mollissima
Castanea pumila
Fagus grandifolia
Fagus sylvatica
Quercus acutissima
Quercus alba
Quercus alba x lyrata
Quercus bicolor
Quercus coccinea
Quercus falcata
Quercus ilicifolia
Quercus imbricaria
Quercus lyrata
Quercus macrocarpa
Quercus marilandica
Quercus michauxii
Quercus montana
Quercus palustris
Quercus phellos
Quercus prinoides
Quercus rubra
Quercus stellata
Quercus velutina
Quercus x filialis
Quercus x heterophylla
Quercus x humidicola
Quercus x incomita
Quercus x subfalcata
Quercus x willdenowiana
Quercus × bushii
Quercus × fernowii
Quercus × jackiana
Quercus × saulii
Gentianaceae
Bartonia virginica
Centaurium pulchellum
Gentiana clausa
Gentiana saponaria
Sabatia angularis
Geraniaceae
Erodium cicutarium
Geranium carolinianum
Geranium dissectum
Geranium maculatum
Geranium molle
Geranium pusillum
Haloragaceae
Myriophyllum aquaticum
Proserpinaca palustris
Proserpinaca pectinata
Hamamelidaceae
Hamamelis vernalis
Hamamelis virginiana
Hydrangeaceae
Hydrangea arborescens
Hydrangea paniculata
Hydrocharitaceae
Elodea nuttallii
Hydrilla verticillata
Najas gracillima
Najas guadalupensis
Najas minor
Vallisneria americana
Hypericaceae
Hypericum canadense
Hypericum denticulatum
Hypericum gentianoides
Hypericum mutilum
Hypericum perforatum
Hypericum punctatum
Hypericum stragulum
Hypericum virginicum
Triadenum virginicum
Triadenum walteri
Hypoxidaceae
Hypoxis hirsuta
Iridaceae
Iris cristata
Iris germanica
Iris pseudacorus
Iris versicolor
Sisyrinchium angustifolium
Sisyrinchium atlanticum
Sisyrinchium mucronatum
Isoetaceae
Isoëtes engelmannii
Iteaceae
Itea virginica
Juglandaceae
Carya cordiformis
Carya glabra
Carya illinoinensis
Carya ovalis
Carya ovata
Carya tomentosa
Juglans cinerea
Juglans nigra
Juncaceae
Juncus
Juncus acuminatus
Juncus anthelatus
Juncus brachycarpus
Juncus bufonius
Juncus canadensis
Juncus debilis
Juncus dichotomus
Juncus diffusissimus
Juncus effusus
Juncus marginatus
Juncus pylaei
Juncus scirpoides
Juncus secundus
Juncus subcaudatus
Juncus tenuis
Juncus validus
Luzula bulbosa
Luzula echinata
Lamiaceae
Ajuga reptans
Clinopodium vulgare
Collinsonia canadensis
Cunila origanoides
Glechoma hederacea
Hedeoma pulegioides
Lamium amplexicaule
Lamium purpureum
Leonurus cardiaca
Lycopus americanus
Lycopus rubellus
Lycopus uniflorus
Lycopus virginicus
Mentha arvensis
Mentha spicata
Mentha suaveolens
Monarda didyma
Perilla frutescens
Physostegia virginiana
Prunella vulgaris
Pycnanthemum incanum
Pycnanthemum muticum
Pycnanthemum tenuifolium
Pycnanthemum verticillatum
Salvia lyrata
Scutellaria elliptica
Scutellaria integrifolia
Scutellaria lateriflora
Stachys hispida
Stachys hyssopifolia
Stachys palustris
Teucrium canadense
Trichostema dichotomum
Lardizabalaceae
Akebia quinata
Lauraceae
Lindera benzoin
Sassafras albidum
Lentibulariaceae
Utricularia geminiscapa
Utricularia gibba
Utricularia inflata
Utricularia macrorhiza
Utricularia purpurea
Utricularia resupinata
Utricularia subulata
Liliaceae
Lilium superbum
Medeola virginiana
Limnanthaceae
Floerkea proserpinacoides
Linaceae
Linum medium
Linum striatum
Linum usitatissimum
Linum virginianum
Linderniaceae
Lindernia dubia
Lycopodiaceae
Dendrolycopodium obscurum
Diphasiastrum digitatum
Diphasiastrum tristachyum
Huperzia lucidula
Lycopodiella
Lycopodiella alopecuroides
Lycopodiella appressa
Lycopodiella x copelandii
Lycopodium clavatum
Lygodiaceae
Lygodium palmatum
Lythraceae
Cuphea viscosissima
Decodon verticillatus
Lythrum hyssopifolia
Lythrum salicaria
Rotala ramosior
Magnoliaceae
Magnolia grandiflora
Magnolia virginiana
Malvaceae
Abutilon theophrasti
Hibiscus moscheutos
Hibiscus trionum
Malva moschata
Malva neglecta
Modiola caroliniana
Sida spinosa
Melanthiaceae
Stenanthium gramineum
Melastomataceae
Rhexia mariana
Rhexia virginica
Menyanthaceae
Nymphoides aquatica
Molluginaceae
Mollugo verticillata
Moraceae
Broussonetia papyrifera
Morus alba
Morus rubra
Myricaceae
Morella cerifera
Nartheciaceae
Aletris farinosa
Nelumbonaceae
Nelumbo lutea
Nymphaeaceae
Nuphar advena
Nyssaceae
Nyssa sylvatica
Oleaceae
Chionanthus virginicus
Forsythia × intermedia
Fraxinus americana
Fraxinus pennsylvanica
Ligustrum obtusifolium
Ligustrum ovalifolium
Ligustrum quihoui
Ligustrum sinense
Onagraceae
Circaea canadensis
Epilobium coloratum
Ludwigia alternifolia
Ludwigia palustris
Ludwigia peploides
Ludwigia sphaerocarpa
Oenothera biennis
Oenothera gaura
Oenothera laciniata
Oenothera parviflora
Oenothera perennis
Ophioglossaceae
Botrychium matricariifolium
Botrypus virginianus
Ophioglossum vulgatum
Sceptridium dissectum
Orchidaceae
Aplectrum hyemale
Corallorhiza odontorhiza
Cypripedium acaule
Galearis spectabilis
Goodyera pubescens
Isotria verticillata
Liparis liliifolia
Listera australis
Platanthera ciliaris
Platanthera clavellata
Platanthera lacera
Spiranthes cernua
Spiranthes vernalis
Tipularia discolor
Orobanchaceae
Agalinis decemloba
Agalinis purpurea
Agalinis tenuifolia
Aureolaria virginica
Conopholis americana
Epifagus virginiana
Orobanche uniflora
Pedicularis lanceolata
Osmundaceae
Claytosmunda claytoniana
Osmunda regalis
Osmundastrum cinnamomeum
Oxalidaceae
Oxalis colorea
Oxalis corniculata
Oxalis dillenii
Oxalis stricta
Oxalis violacea
Pallaviciniaceae
Pallavicinia lyellii
Papaveraceae
Chelidonium majus
Corydalis flavula
Dicentra cucullaria
Papaver dubium
Sanguinaria canadensis
Passifloraceae
Passiflora lutea
Paulowniaceae
Paulownia tomentosa
Pelliaceae
Pellia epiphylla
Penthoraceae
Penthorum sedoides
Phrymaceae
Mazus pumilus
Mimulus alatus
Mimulus ringens
Phryma leptostachya
Phytolaccaceae
Phytolacca americana
Pinaceae
Picea abies
Pinus echinata
Pinus rigida
Pinus strobus
Pinus taeda
Pinus virginiana
Pseudotsuga menziesii
Tsuga canadensis
Plantaginaceae
Callitriche stagnalis
Callitriche terrestris
Chelone glabra
Gratiola aurea
Gratiola neglecta
Gratiola virginiana
Gratiola viscidula
Nuttallanthus canadensis
Penstemon digitalis
Penstemon hirsutus
Plantago aristata
Plantago lanceolata
Plantago major
Plantago rugelii
Plantago virginica
Sophronanthe pilosa
Veronica agrestis
Veronica arvensis
Veronica hederifolia
Veronica officinalis
Veronica peregrina
Veronica persica
Veronica serpyllifolia
Platanaceae
Platanus occidentalis
Poaceae
Agrostis altissima
Agrostis gigantea
Agrostis hyemalis
Agrostis perennans
Agrostis scabra
Agrostis stolonifera
Aira caryophyllea
Andropogon gerardi
Andropogon glomeratus
Andropogon gyrans
Andropogon ternarius
Anthoxanthum odoratum
Aristida curtissii
Aristida dichotoma
Aristida longespica
Aristida oligantha
Aristida purpurascens
Aristida virgata
Avenella flexuosa
Brachyelytrum erectum
Bromus arvensis
Bromus commutatus
Bromus hordeaceus
Bromus inermis
Bromus racemosus
Bromus sterilis
Bromus tectorum
Cenchrus americanus
Cenchrus longispinus
Cenchrus purpurascens
Chasmanthium latifolium
Chasmanthium laxum
Cinna arundinacea
Coleataenia pulchra
Cynodon dactylon
Dactylis glomerata
Danthonia compressa
Danthonia spicata
Dichanthelium
Dichanthelium acuminatum
Dichanthelium boreale
Dichanthelium boscii
Dichanthelium clandestinum
Dichanthelium commutatum
Dichanthelium depauperatum
Dichanthelium dichotomum
Dichanthelium latifolium
Dichanthelium lucidum
Dichanthelium meridionale
Dichanthelium polyanthes
Dichanthelium portoricense
Dichanthelium roanokense
Dichanthelium sabulorum
Dichanthelium scoparium
Dichanthelium sphaerocarpon
Dichanthelium yadkinense
Digitaria cognata
Digitaria filiformis
Digitaria ischaemum
Digitaria sanguinalis
Echinochloa
Echinochloa crus-galli
Echinochloa frumentacea
Echinochloa muricata
Echinochloa walteri
Eleusine indica
Elymus glabriflorus
Elymus hystrix
Elymus repens
Elymus villosus
Elymus virginicus
Eragrostis
Eragrostis capillaris
Eragrostis cilianensis
Eragrostis curvula
Eragrostis frankii
Eragrostis hypnoides
Eragrostis pilosa
Eragrostis spectabilis
Festuca rubra
Festuca sciurea
Festuca subverticillata
Glyceria canadensis
Glyceria declinata
Glyceria obtusa
Glyceria septentrionalis
Glyceria striata
Greeneochloa coarctata
Gymnopogon ambiguus
Holcus lanatus
Hordeum jubatum
Hordeum marinum
Hordeum pusillum
Kellochloa verrucosa
Leersia oryzoides
Leersia virginica
Lolium arundinaceum
Lolium perenne
Microstegium vimineum
Miscanthus sinensis
Muhlenbergia frondosa
Muhlenbergia schreberi
Muhlenbergia sylvatica
Oplismenus undulatifolius
Panicum amarulum
Panicum capillare
Panicum philadelphicum
Panicum virgatum
Paspalum dilatatum
Paspalum dissectum
Paspalum distichum
Paspalum floridanum
Paspalum setaceum
Phalaris arundinacea
Phleum pratense
Phragmites australis
Phyllostachys aurea
Piptochaetium avenaceum
Poa annua
Poa autumnalis
Poa bulbosa
Poa compressa
Poa pratensis
Poa sylvestris
Poa trivialis
Saccharum giganteum
Secale cereale
Setaria faberi
Setaria italica
Setaria parviflora
Setaria pumila
Setaria viridis
Sorghastrum nutans
Sorghum halepense
Sphenopholis intermedia
Sphenopholis obtusata
Sporobolus vaginiflorus
Torreyochloa pallida
Tridens flavus
Tripsacum dactyloides
Triticum aestivum
Uniola paniculata
Urochloa ramosa
Vulpia myuros
Zizania aquatica
Zizania latifolia
Zizaniopsis miliacea
Zoysia matrella
Podostemaceae
Podostemum ceratophyllum
Polemoniaceae
Phlox maculata
Phlox subulata
Polygalaceae
Polygala curtissii
Polygala lutea
Polygala mariana
Polygala nuttallii
Polygala sanguinea
Polygala verticillata
Polygonaceae
Fallopia convolvulus
Fallopia scandens
Persicaria arifolia
Persicaria densiflora
Persicaria hydropiper
Persicaria hydropiperoides
Persicaria lapathifolia
Persicaria longiseta
Persicaria maculosa
Persicaria orientalis
Persicaria pensylvanica
Persicaria perfoliata
Persicaria punctata
Persicaria sagittata
Persicaria virginiana
Polygonum aviculare
Polygonum erectum
Polygonum tenue
Reynoutria japonica
Rumex acetosella
Rumex crispus
Rumex obtusifolius
Polypodiaceae
Polypodium virginianum
Polytrichaceae
Atrichum angustatum
Pontederiaceae
Heteranthera reniformis
Pontederia cordata
Portulacaceae
Portulaca oleracea
Potamogetonaceae
Potamogeton crispus
Potamogeton diversifolius
Potamogeton epihydrus
Potamogeton illinoensis
Potamogeton natans
Potamogeton pulcher
Potamogeton pusillus
Primulaceae
Lysimachia arvensis
Lysimachia ciliata
Lysimachia clethroides
Lysimachia lanceolata
Lysimachia nummularia
Lysimachia quadrifolia
Lysimachia terrestris
Lysimachia × producta
Pteridaceae
Adiantum pedatum
Ranunculaceae
Anemone quinquefolia
Aquilegia canadensis
Clematis terniflora
Clematis virginiana
Ficaria verna
Ranunculus abortivus
Ranunculus acris
Ranunculus ambigens
Ranunculus bulbosus
Ranunculus carolinianus
Ranunculus flabellaris
Ranunculus hispidus
Ranunculus parviflorus
Ranunculus pusillus
Ranunculus recurvatus
Ranunculus repens
Ranunculus sardous
Thalictrum pubescens
Thalictrum thalictroides
Ricciaceae
Riccia fluitans
Rosaceae
Agrimonia parviflora
Agrimonia pubescens
Amelanchier arborea
Amelanchier canadensis
Aronia melanocarpa
Aronia × prunifolia
Chaenomeles speciosa
Crataegus intricata
Crataegus iracunda
Fragaria virginiana
Geum canadense
Geum vernum
Gillenia trifoliata
Malus angustifolia
Malus baccata
Malus coronaria
Malus sieboldii
Photinia pyrifolia
Potentilla argentea
Potentilla canadensis
Potentilla indica
Potentilla norvegica
Potentilla recta
Potentilla reptans
Potentilla simplex
Prunus americana
Prunus angustifolia
Prunus avium
Prunus pensylvanica
Prunus persica
Prunus serotina
Pyracantha coccinea
Pyrus calleryana
Pyrus communis
Rhodotypos scandens
Rosa carolina
Rosa gallica
Rosa multiflora
Rosa palustris
Rubus allegheniensis
Rubus armeniacus
Rubus cuneifolius
Rubus flagellaris
Rubus fruticosus
Rubus hispidus
Rubus occidentalis
Rubus pensilvanicus
Rubus phoenicolasius
Rubus trivialis
Sanguisorba canadensis
Spiraea latifolia
Spiraea prunifolia
Spiraea tomentosa
Rubiaceae
Cephalanthus occidentalis
Cruciata pedemontana
Galium aparine
Galium circaezans
Galium mollugo
Galium obtusum
Galium pilosum
Galium trifidum
Galium triflorum
Hexasepalum teres
Houstonia caerulea
Houstonia purpurea
Houstonia pusilla
Mitchella repens
Oldenlandia uniflora
Salicaceae
Populus alba
Populus grandidentata
Populus heterophylla
Populus tremula
Salix alba
Salix discolor
Salix humilis
Salix nigra
Salix occidentalis
Salix purpurea
Santalaceae
Comandra umbellata
Phoradendron leucarpum
Sapindaceae
Acer palmatum
Acer platanoides
Acer pseudoplatanus
Acer rubrum
Acer saccharinum
Aesculus parviflora
Saururaceae
Saururus cernuus
Saxifragaceae
Heuchera americana
Micranthes virginiensis
Scrophulariaceae
Buddleja davidii
Scrophularia marilandica
Verbascum blattaria
Verbascum thapsus
Selaginellaceae
Selaginella apoda
Simaroubaceae
Ailanthus altissima
Smilacaceae
Smilax glauca
Smilax herbacea
Smilax rotundifolia
Smilax tamnoides
Solanaceae
Alkekengi officinarum
Datura stramonium
Lycium barbarum
Solanum carolinense
Solanum nigrum
Staphyleaceae
Staphylea trifolia
Taxaceae
Taxus baccata
Tetrachondraceae
Polypremum procumbens
Theaceae
Franklinia alatamaha
Thelypteridaceae
Amauropelta noveboracensis
Phegopteris hexagonoptera
Thelypteris noveboracensis
Thelypteris palustris
Thelypteris simulata
Typhaceae
Sparganium americanum
Typha angustifolia
Typha latifolia
Typha × glauca
Ulmaceae
Ulmus americana
Ulmus pumila
Urticaceae
Boehmeria cylindrica
Laportea canadensis
Pilea pumila
Urtica gracilis
Verbenaceae
Glandularia bipinnatifida
Verbena bonariensis
Verbena hastata
Verbena simplex
Verbena urticifolia
Viburnaceae
Sambucus canadensis
Viburnum acerifolium
Viburnum dentatum
Viburnum nudum
Viburnum opulus
Viburnum prunifolium
Violaceae
Viola affinis
Viola arvensis
Viola bicolor
Viola brittoniana
Viola cucullata
Viola lanceolata
Viola palmata
Viola pedata
Viola primulifolia
Viola sagittata
Viola sororia
Viola striata
Viola tricolor
Vitaceae
Parthenocissus quinquefolia
Vitis aestivalis
Vitis labrusca
Vitis vulpina
Xyridaceae
Xyris difformis
Xyris jupicai
Xyris torta