Accepted Name |
Abies balsamea
| balsam fir |
Pinaceae
|
Y
|
|
|
Accepted Name |
Abies grandis
| grand fir |
Pinaceae
|
N
|
|
|
Accepted Name |
Abutilon theophrasti
| velvetleaf |
Malvaceae
|
N
|
|
|
Accepted Name |
Acalypha australis
| Asian three-seeded Mercury, Asian copperleaf |
Euphorbiaceae
|
N
|
|
|
Accepted Name |
Acalypha gracilens
| slender three-seeded Mercury |
Euphorbiaceae
|
Y
|
|
|
Accepted Name |
Acalypha rhomboidea
| common three-seeded Mercury |
Euphorbiaceae
|
Y
|
|
|
Accepted Name |
Acalypha setosa
| Cuban copperleaf |
Euphorbiaceae
|
N
|
|
|
Accepted Name |
Acalypha virginica
| Virginia three-seeded Mercury |
Euphorbiaceae
|
Y
|
|
|
Accepted Name |
Acanthospermum australe
| Paraguay starbur |
Asteraceae
|
N
|
|
|
Accepted Name |
Acanthospermum hispidum
| hispid starbur |
Asteraceae
|
N
|
|
|
Accepted Name |
Acer campestre
| hedge maple |
Sapindaceae
|
N
|
|
|
Accepted Name |
Acer ginnala
| Amur maple |
Sapindaceae
|
N
|
|
|
Accepted Name |
Acer negundo var. negundo
| box elder, ash-leaved maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer nigrum
| black maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer palmatum
| Japanese maple |
Sapindaceae
|
N
|
|
|
Accepted Name |
Acer pensylvanicum
| striped maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer platanoides
| Norway maple |
Sapindaceae
|
N
|
|
|
Accepted Name |
Acer pseudoplatanus
| sycamore maple |
Sapindaceae
|
N
|
|
|
Accepted Name |
Acer rubrum
| |
Sapindaceae
|
|
|
|
Accepted Name |
Acer rubrum × A. saccharinum = A. ×freemanii
| Freeman’s maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer rubrum var. rubrum
| common red maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer rubrum var. trilobum
| three-lobed red maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer saccharinum
| silver maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer saccharum
| sugar maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Acer spicatum
| mountain maple |
Sapindaceae
|
Y
|
|
|
Accepted Name |
Achillea ageratum
| sweet yarrow |
Asteraceae
|
N
|
|
|
Accepted Name |
Achillea filipendulina
| fern-leaved yarrow |
Asteraceae
|
N
|
|
|
Accepted Name |
Achillea millefolium
| common yarrow |
Asteraceae
|
Y
|
|
|
Accepted Name |
Achillea nobilis
| noble yarrow |
Asteraceae
|
N
|
|
|
Accepted Name |
Achillea ptarmica
| sneezeweed |
Asteraceae
|
N
|
|
|
Accepted Name |
Acmispon americanus var. americanus
| American trefoil |
Fabaceae
|
N
|
|
|
Accepted Name |
Aconitum napellus
| garden monkshood |
Ranunculaceae
|
N
|
|
|
Accepted Name |
Aconitum noveboracense
| northern monkshood, New York monkshood |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Acorus americanus
| American sweetflag |
Acoraceae
|
Y
|
|
|
Accepted Name |
Acorus calamus
| Old World sweetflag |
Acoraceae
|
N
|
|
|
Accepted Name |
Actaea pachypoda
| white baneberry, doll’s eyes |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Actaea pachypoda × A. rubra = A. ×ludovici
| Louis’s baneberry |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Actaea racemosa
| black cohosh, black snakeroot, bugbane |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Actaea rubra
| red baneberry |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Actinidia arguta
| hardy kiwi |
Actinidiaceae
|
N
|
|
|
Accepted Name |
Actinidia polygama
| silvervine |
Actinidiaceae
|
N
|
|
|
Accepted Name |
Adiantum capillus-veneris
| Venus’s hair fern |
Pteridaceae
|
N
|
|
|
Accepted Name |
Adiantum pedatum
| maidenhair fern |
Pteridaceae
|
Y
|
|
|
Accepted Name |
Adlumia fungosa
| Allegheny vine |
Papaveraceae
|
Y
|
|
|
Accepted Name |
Adonis aestivalis
| summer adonis |
Ranunculaceae
|
N
|
|
|
Accepted Name |
Adoxa moschatellina
| muskroot |
Viburnaceae
|
Y
|
|
|
Accepted Name |
Aegilops crassa
| Persian goat grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aegilops cylindrica
| jointed goat grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aegilops geniculata
| ovate goat grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aegilops tauschii
| Tausch’s goat grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aegilops triuncialis var. triuncialis
| barbed goat grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aegopodium podagraria
| goutweed |
Apiaceae
|
N
|
|
|
Accepted Name |
Aesculus flava
| yellow buckeye |
Sapindaceae
|
N
|
|
|
Accepted Name |
Aesculus glabra var. glabra
| Ohio buckeye |
Sapindaceae
|
N
|
|
|
Accepted Name |
Aesculus hippocastanum
| horse chestnut |
Sapindaceae
|
N
|
|
|
Accepted Name |
Aesculus parviflora
| bottlebrush buckeye |
Sapindaceae
|
N
|
|
|
Accepted Name |
Aethusa cynapium
| fool’s parsley |
Apiaceae
|
N
|
|
|
Accepted Name |
Agalinis decemloba
| sandplain agalinis |
Orobanchaceae
|
Y
|
|
|
Accepted Name |
Agalinis maritima var. maritima
| seaside agalinis |
Orobanchaceae
|
Y
|
|
|
Accepted Name |
Agalinis paupercula
| small-flowered agalinis |
Orobanchaceae
|
Y
|
|
|
Accepted Name |
Agalinis purpurea
| purple agalinis |
Orobanchaceae
|
Y
|
|
|
Accepted Name |
Agalinis setacea
| needle-leaved agalinis |
Orobanchaceae
|
Y
|
|
|
Accepted Name |
Agalinis tenuifolia
| slender agalinis |
Orobanchaceae
|
Y
|
|
|
Accepted Name |
Agastache foeniculum
| anise hyssop, fragrant giant hyssop, lavender giant hyssop |
Lamiaceae
|
N
|
|
|
Accepted Name |
Agastache nepetoides
| yellow giant hyssop, catnip giant hyssop |
Lamiaceae
|
Y
|
|
|
Accepted Name |
Agastache scrophulariifolia
| purple giant hyssop, figwort giant hyssop |
Lamiaceae
|
Y
|
|
|
Accepted Name |
Ageratina altissima
| common white snakeroot |
Asteraceae
|
Y
|
|
|
Accepted Name |
Ageratina aromatica
| small-leaved white snakeroot |
Asteraceae
|
Y
|
|
|
Accepted Name |
Ageratum houstonianum
| bluemink |
Asteraceae
|
N
|
|
|
Accepted Name |
Agrimonia eupatoria
| medicinal agrimony |
Rosaceae
|
N
|
|
|
Accepted Name |
Agrimonia gryposepala
| common agrimony |
Rosaceae
|
Y
|
|
|
Accepted Name |
Agrimonia parviflora
| southern agrimony |
Rosaceae
|
Y
|
|
|
Accepted Name |
Agrimonia pubescens
| downy agrimony |
Rosaceae
|
Y
|
|
|
Accepted Name |
Agrimonia rostellata
| woodland agrimony |
Rosaceae
|
Y
|
|
|
Accepted Name |
Agrimonia striata
| roadside agrimony |
Rosaceae
|
Y
|
|
|
Accepted Name |
Agropyron cristatum
| crested wheat grass |
Poaceae
|
N
|
|
|
Accepted Name |
Agrostemma githago var. githago
| common corncockle |
Caryophyllaceae
|
N
|
|
|
Accepted Name |
Agrostis canina
| velvet bent |
Poaceae
|
N
|
|
|
Accepted Name |
Agrostis capillaris
| Rhode Island bent |
Poaceae
|
N
|
|
|
Accepted Name |
Agrostis gigantea
| redtop |
Poaceae
|
N
|
|
|
Accepted Name |
Agrostis hyemalis
| southern tickle grass |
Poaceae
|
Y
|
|
|
Accepted Name |
Agrostis mertensii
| northern bent |
Poaceae
|
Y
|
|
|
Accepted Name |
Agrostis perennans
| autumn bent |
Poaceae
|
Y
|
|
|
Accepted Name |
Agrostis scabra
| northern tickle grass |
Poaceae
|
Y
|
|
|
Accepted Name |
Agrostis stolonifera
| creeping bent |
Poaceae
|
N
|
|
|
Accepted Name |
Ailanthus altissima
| tree of heaven |
Simaroubaceae
|
N
|
|
|
Accepted Name |
Aira caryophyllea var. caryophyllea
| silver hair grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aira praecox
| spike hair grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aizopsis aizoon
| aizoon stonecrop |
Crassulaceae
|
N
|
|
|
Accepted Name |
Aizopsis ellacombeana ssp. ellacombeana
| Ellacombe’s stonecrop |
Crassulaceae
|
N
|
|
|
Accepted Name |
Aizopsis kamtschatica
| Kamchatka stonecrop |
Crassulaceae
|
N
|
|
|
Accepted Name |
Ajuga genevensis
| erect bugle |
Lamiaceae
|
N
|
|
|
Accepted Name |
Ajuga reptans
| carpet bugle |
Lamiaceae
|
N
|
|
|
Accepted Name |
Akebia quinata
| chocolate vine, fiveleaf |
Lardizabalaceae
|
N
|
|
|
Accepted Name |
Albizia julibrissin
| silktree |
Fabaceae
|
N
|
|
|
Accepted Name |
Alcea rosea
| hollyhock |
Malvaceae
|
N
|
|
|
Accepted Name |
Alchemilla micans
| gleaming lady’s mantle |
Rosaceae
|
N
|
|
|
Accepted Name |
Alchemilla monticola
| hairy lady’s mantle |
Rosaceae
|
N
|
|
|
Accepted Name |
Aldrovanda vesiculosa
| waterwheel plant |
Droseraceae
|
N
|
|
|
Accepted Name |
Aletris farinosa
| white colicroot, unicorn root |
Nartheciaceae
|
Y
|
|
|
Accepted Name |
Alisma gramineum
| grass-leaved water plantain |
Alismataceae
|
Y
|
|
|
Accepted Name |
Alisma subcordatum
| southern water plantain |
Alismataceae
|
Y
|
|
|
Accepted Name |
Alisma triviale
| northern water plantain |
Alismataceae
|
Y
|
|
|
Accepted Name |
Alkekengi officinarum
| Chinese lantern |
Solanaceae
|
N
|
|
|
Accepted Name |
Alliaria petiolata
| garlic mustard |
Brassicaceae
|
N
|
|
|
Accepted Name |
Allium burdickii
| Burdick’s wild leek |
Amaryllidaceae
|
Y
|
|
|
Accepted Name |
Allium canadense var. canadense
| Canada onion |
Amaryllidaceae
|
Y
|
|
|
Accepted Name |
Allium cepa
| cultivated onion |
Amaryllidaceae
|
N
|
|
|
Accepted Name |
Allium cernuum
| nodding onion |
Amaryllidaceae
|
Y
|
|
|
Accepted Name |
Allium neapolitanum
| Naples garlic |
Amaryllidaceae
|
N
|
|
|
Accepted Name |
Allium porrum
| garden leek |
Amaryllidaceae
|
N
|
|
|
Accepted Name |
Allium sativum var. ophioscorodon
| hardneck garlic |
Amaryllidaceae
|
N
|
|
|
Accepted Name |
Allium schoenoprasum
| chives |
Amaryllidaceae
|
Y
|
|
|
Accepted Name |
Allium sphaerocephalon
| flowering onion |
Amaryllidaceae
|
N
|
|
|
Accepted Name |
Allium tricoccum
| common wild leek |
Amaryllidaceae
|
Y
|
|
|
Accepted Name |
Allium tuberosum
| Chinese chives |
Amaryllidaceae
|
N
|
|
|
Accepted Name |
Allium vineale
| field garlic |
Amaryllidaceae
|
N
|
|
|
Accepted Name |
Alnus alnobetula ssp. crispa
| green alder |
Betulaceae
|
Y
|
|
|
Accepted Name |
Alnus glutinosa
| black alder, European alder |
Betulaceae
|
N
|
|
|
Accepted Name |
Alnus incana ssp. rugosa
| speckled alder |
Betulaceae
|
Y
|
|
|
Accepted Name |
Alnus incana ssp. rugosa × A. serrulata = A. ×fallacina
| deceptive alder |
Betulaceae
|
Y
|
|
|
Accepted Name |
Alnus serrulata
| smooth alder |
Betulaceae
|
Y
|
|
|
Accepted Name |
Alopecurus aequalis var. aequalis
| short-awned foxtail |
Poaceae
|
Y
|
|
|
Accepted Name |
Alopecurus arundinaceus
| creeping meadow foxtail |
Poaceae
|
N
|
|
|
Accepted Name |
Alopecurus carolinianus
| Carolina foxtail |
Poaceae
|
N
|
|
|
Accepted Name |
Alopecurus geniculatus
| water foxtail |
Poaceae
|
N
|
|
|
Accepted Name |
Alopecurus myosuroides
| slender foxtail |
Poaceae
|
N
|
|
|
Accepted Name |
Alopecurus pratensis
| meadow foxtail |
Poaceae
|
N
|
|
|
Accepted Name |
Alternanthera pungens
| khakiweed |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Althaea officinalis
| marsh mallow |
Malvaceae
|
N
|
|
|
Accepted Name |
Alyssum alyssoides
| small alyssum |
Brassicaceae
|
N
|
|
|
Accepted Name |
Alyssum murale
| yellowtuft |
Brassicaceae
|
N
|
|
|
Accepted Name |
Amaranthus albus
| tumbleweed amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus blitoides
| prostrate amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus blitum
| notch-leaved amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus cannabinus
| saltmarsh water hemp |
Amaranthaceae
|
Y
|
|
|
Accepted Name |
Amaranthus caudatus
| love lies bleeding |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus crispus
| crisp-leaved amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus cruentus
| blood amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus deflexus
| low amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus hybridus ssp. hybridus
| green amaranth |
Amaranthaceae
|
Y
|
|
|
Accepted Name |
Amaranthus hypochondriacus
| prince’s feather amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus palmeri
| Palmer’s amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus powellii ssp. powellii
| Powell’s amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus pumilus
| seabeach amaranth, coast amaranth |
Amaranthaceae
|
Y
|
|
|
Accepted Name |
Amaranthus retroflexus
| red-rooted amaranth |
Amaranthaceae
|
Y
|
|
|
Accepted Name |
Amaranthus spinosus
| spiny amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amaranthus tuberculatus
| rough-fruited water hemp |
Amaranthaceae
|
Y
|
|
|
Accepted Name |
Amaranthus viridis
| tropical green amaranth |
Amaranthaceae
|
N
|
|
|
Accepted Name |
Amauriopsis pedata
| blunt-scaled false goldfields |
Asteraceae
|
N
|
|
|
Accepted Name |
Amauropelta noveboracensis
| New York fern |
Thelypteridaceae
|
Y
|
|
|
Accepted Name |
Ambrosia artemisiifolia
| common ragweed |
Asteraceae
|
Y
|
|
|
Accepted Name |
Ambrosia artemisiifolia × A. trifida = A. ×helenae
| Helene’s ragweed |
Asteraceae
|
Y
|
|
|
Accepted Name |
Ambrosia bidentata
| lance-leaved ragweed |
Asteraceae
|
N
|
|
|
Accepted Name |
Ambrosia psilostachya
| western ragweed |
Asteraceae
|
N
|
|
|
Accepted Name |
Ambrosia trifida
| giant ragweed |
Asteraceae
|
Y
|
|
|
Accepted Name |
Amelanchier alnifolia
| low shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier alnifolia × A. amabilis
| hybrid shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier amabilis
| lovely shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier amabilis × A. arborea
| hybrid shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier arborea
| downy shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier arborea × A. laevis = A. ×grandiflora
| large-flowered shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier bartramiana
| mountain shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier bartramiana × A. laevis = A. ×neglecta
| hidden shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier canadensis var. canadensis
| coastal shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier intermedia
| intermediate shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier laevis
| smooth shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier nantucketensis
| Nantucket shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier sanguinea
| round-leaved shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amelanchier spicata
| dwarf shadbush |
Rosaceae
|
Y
|
|
|
Accepted Name |
Amerorchis rotundifolia
| round-leaved orchid |
Orchidaceae
|
Y
|
|
|
Accepted Name |
Amianthium muscitoxicum
| fly poison |
Melanthiaceae
|
Y
|
|
|
Accepted Name |
Ammannia coccinea
| scarlet toothcup |
Lythraceae
|
N
|
|
|
Accepted Name |
Amorpha fruticosa
| false indigo bush |
Fabaceae
|
N
|
|
|
Accepted Name |
Ampelopsis aconitifolia
| monkshood vine |
Vitaceae
|
N
|
|
|
Accepted Name |
Ampelopsis cordata
| raccoon grape |
Vitaceae
|
N
|
|
|
Accepted Name |
Ampelopsis glandulosa
| porcelain berry |
Vitaceae
|
N
|
|
|
Accepted Name |
Amphiachyris dracunculoides
| prairie broomweed |
Asteraceae
|
N
|
|
|
Accepted Name |
Amphicarpaea bracteata
| hog peanut |
Fabaceae
|
Y
|
|
|
Accepted Name |
Amphicarpum amphicarpon
| annual peanut grass |
Poaceae
|
Y
|
|
|
Accepted Name |
Amsinckia intermedia
| common fiddleneck |
Boraginaceae
|
N
|
|
|
Accepted Name |
Amsinckia lycopsoides
| bugloss fiddleneck |
Boraginaceae
|
N
|
|
|
Accepted Name |
Amsinckia menziesii
| small-flowered fiddleneck |
Boraginaceae
|
N
|
|
|
Accepted Name |
Amsonia illustris
| shining bluestar |
Apocynaceae
|
N
|
|
|
Accepted Name |
Amsonia tabernaemontana
| common bluestar |
Apocynaceae
|
N
|
|
|
Accepted Name |
Anaphalis margaritacea
| pearly everlasting |
Asteraceae
|
Y
|
|
|
Accepted Name |
Anchistea virginica
| Virginia chain fern |
Blechnaceae
|
Y
|
|
|
Accepted Name |
Anchusa arvensis
| small alkanet |
Boraginaceae
|
N
|
|
|
Accepted Name |
Anchusa azurea
| garden alkanet |
Boraginaceae
|
N
|
|
|
Accepted Name |
Anchusa officinalis
| common alkanet |
Boraginaceae
|
N
|
|
|
Accepted Name |
Andersonglossum boreale
| northern wild comfrey, northern hound’s tongue |
Boraginaceae
|
Y
|
|
|
Accepted Name |
Andersonglossum virginianum
| southern wild comfrey, southern hound’s tongue |
Boraginaceae
|
Y
|
|
|
Accepted Name |
Andromeda polifolia var. latifolia
| bog rosemary |
Ericaceae
|
Y
|
|
|
Accepted Name |
Andropogon gerardi
| big bluestem |
Poaceae
|
Y
|
|
|
Accepted Name |
Andropogon glomeratus var. glomeratus
| bushy bluestem |
Poaceae
|
Y
|
|
|
Accepted Name |
Andropogon virginicus var. virginicus
| broom sedge bluestem |
Poaceae
|
Y
|
|
|
Accepted Name |
Androsace maxima
| large rock jasmine |
Primulaceae
|
N
|
|
|
Accepted Name |
Anemone canadensis
| Canada anemone |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Anemone cylindrica
| long-headed anemone |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Anemone multifida var. multifida
| cut-leaved anemone |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Anemone quinquefolia var. quinquefolia
| wood anemone |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Anemone virginiana
| tall anemone, thimbleweed |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Anethum graveolens
| dill |
Apiaceae
|
N
|
|
|
Accepted Name |
Angelica atropurpurea
| purple-stemmed angelica |
Apiaceae
|
Y
|
|
|
Accepted Name |
Angelica lucida
| sea-coast angelica |
Apiaceae
|
Y
|
|
|
Accepted Name |
Angelica venenosa
| hairy angelica, deadly angelica |
Apiaceae
|
Y
|
|
|
Accepted Name |
Anoda cristata
| crested anoda |
Malvaceae
|
N
|
|
|
Accepted Name |
Antennaria howellii
| |
Asteraceae
|
|
|
|
Accepted Name |
Antennaria howellii ssp. canadensis
| Canada pussytoes |
Asteraceae
|
Y
|
|
|
Accepted Name |
Antennaria howellii ssp. neodioica
| small pussytoes |
Asteraceae
|
Y
|
|
|
Accepted Name |
Antennaria howellii ssp. petaloidea
| petal-like pussytoes |
Asteraceae
|
Y
|
|
|
Accepted Name |
Antennaria neglecta
| field pussytoes |
Asteraceae
|
Y
|
|
|
Accepted Name |
Antennaria parlinii
| |
Asteraceae
|
|
|
|
Accepted Name |
Antennaria parlinii ssp. fallax
| deceitful pussytoes |
Asteraceae
|
Y
|
|
|
Accepted Name |
Antennaria parlinii ssp. parlinii
| Parlin’s pussytoes |
Asteraceae
|
Y
|
|
|
Accepted Name |
Antennaria plantaginifolia
| plantain-leaved pussytoes |
Asteraceae
|
Y
|
|
|
Accepted Name |
Anthemis arvensis
| corn chamomile |
Asteraceae
|
N
|
|
|
Accepted Name |
Anthemis cotula
| stinking chamomile, mayweed |
Asteraceae
|
N
|
|
|
Accepted Name |
Anthoxanthum hirtum
| hairy sweet grass |
Poaceae
|
Y
|
|
|
Accepted Name |
Anthoxanthum monticola ssp. monticola
| alpine sweet grass |
Poaceae
|
Y
|
|
|
Accepted Name |
Anthoxanthum nitens ssp. nitens
| vanilla sweet grass |
Poaceae
|
Y
|
|
|
Accepted Name |
Anthoxanthum odoratum
| sweet vernal grass |
Poaceae
|
N
|
|
|
Accepted Name |
Anthoxanthum ovatum var. aristatum
| vernal grass |
Poaceae
|
N
|
|
|
Accepted Name |
Anthriscus caucalis
| bur chervil |
Apiaceae
|
N
|
|
|
Accepted Name |
Anthriscus cerefolium
| garden chervil, salad chervil |
Apiaceae
|
N
|
|
|
Accepted Name |
Anthriscus sylvestris
| wild chervil |
Apiaceae
|
N
|
|
|
Accepted Name |
Anthyllis vulneraria
| kidney vetch |
Fabaceae
|
N
|
|
|
Accepted Name |
Anticlea elegans var. glauca
| white death camas |
Melanthiaceae
|
Y
|
|
|
Accepted Name |
Antirrhinum majus
| garden snapdragon |
Plantaginaceae
|
N
|
|
|
Accepted Name |
Apera interrupta
| interrupted wind grass |
Poaceae
|
N
|
|
|
Accepted Name |
Apera spica-venti
| silky bent grass |
Poaceae
|
N
|
|
|
Accepted Name |
Aphanes australis
| slender parsley-piert |
Rosaceae
|
N
|
|
|
Accepted Name |
Aphyllon uniflorum
| one-flowered broomrape |
Orobanchaceae
|
Y
|
|
|
Accepted Name |
Apios americana
| groundnut |
Fabaceae
|
Y
|
|
|
Accepted Name |
Apium graveolens
| celery |
Apiaceae
|
N
|
|
|
Accepted Name |
Aplectrum hyemale
| puttyroot, Adam and Eve |
Orchidaceae
|
Y
|
|
|
Accepted Name |
Apocynum androsaemifolium
| spreading dogbane |
Apocynaceae
|
Y
|
|
|
Accepted Name |
Apocynum androsaemifolium × A. cannabinum = A. ×floribundum
| hybrid dogbane |
Apocynaceae
|
Y
|
|
|
Accepted Name |
Apocynum cannabinum
| Indian hemp |
Apocynaceae
|
Y
|
|
|
Accepted Name |
Aquilegia canadensis
| wild columbine, red columbine |
Ranunculaceae
|
Y
|
|
|
Accepted Name |
Aquilegia vulgaris
| European columbine |
Ranunculaceae
|
N
|
|
|
Accepted Name |
Arabidopsis lyrata ssp. lyrata
| lyre-leaved rock cress |
Brassicaceae
|
Y
|
|
|
Accepted Name |
Arabidopsis thaliana
| mouse ear cress, thale cress |
Brassicaceae
|
N
|
|
|
Accepted Name |
Arabis adpressipilis
| slender rock cress |
Brassicaceae
|
Y
|
|
|
Accepted Name |
Arabis caucasica
| garden rock cress |
Brassicaceae
|
N
|
|
|
Accepted Name |
Arabis pycnocarpa
| hairy rock cress |
Brassicaceae
|
Y
|
|
|
Accepted Name |
Aralia elata
| Japanese Angelica tree |
Araliaceae
|
N
|
|
|
Accepted Name |
Aralia hispida
| bristly sarsaparilla |
Araliaceae
|
Y
|
|
|
Accepted Name |
Aralia nudicaulis
| wild sarsaparilla |
Araliaceae
|
Y
|
|
|
Accepted Name |
Aralia racemosa
| spikenard |
Araliaceae
|
Y
|
|
|