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Families: 196
Genera: 213
Species: 382 (species rank)
Total Taxa: 386 (including subsp. and var.)

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Acalypha gracilens subsp. gracilens
slender three-seeded-mercury
Acalypha rhomboidea
three-seeded-mercury
Adlumia fungosa
climbing fumitory
Agalinis aspera
tall false foxglove
Agalinis gattingeri
round-stemmed false foxglove
Agalinis paupercula
smooth false foxglove
Agalinis paupercula var. borealis
smooth false foxglove
Agalinis purpurea
smooth agalinis
Agalinis skinneriana
Skinner's false foxglove
Agalinis tenuifolia
common false foxglove
Agastache foeniculum
lavender giant hyssop
Agastache scrophulariaefolia
purple giant hyssop
Agrimonia gryposepala
tall hairy agrimony
Image
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available
Alisma subcordatum
southern water-plantain
Allium cernuum
nodding wild onion
Allium stellatum
wild onion
Amaranthus albus
white amaranth
Amaranthus blitoides
prostrate pigweed
Amaranthus hybridus
smooth pigweed
Amaranthus powellii
tall amaranth
Amaranthus retroflexus
wild-beet amaranth
Amaranthus tuberculatus
tall water-hemp
Anaphalis margaritacea
western pearly everlasting
Anthemis cotula
stinking-cotula
Apocynum androsaemifolium
spreading dogbane
Arctium minus
lesser burdock
Arenaria stricta
stiff sandwort
Argentina anserina
silver-weed
Arnoglossum atriplicifolium
pale Indian-plantain
Arnoglossum reniforme
Muhlenberg's cacalia
Asclepias verticillata
whorled milkweed
Aster borealis
slender white bog aster
Aster ericoides
white heath aster
Aster laevis var. laevis
smooth blue aster
Aster lateriflorus
side-flowering aster
Aster linariifolius
stiff aster
Aster macrophyllus
large-leaved aster
Aster novae-angliae
New England aster
Aster oblongifolius
oblong-leaved aster
Aster oolentangiensis
sky-blue aster
Aster pilosus
white old-field aster
Aster puniceus
swamp aster
Aster sagittifolius
white arrowleaf aster
Aster sericeus
western silvery aster
Aster umbellatus
tall flat-topped white aster
Atriplex patula
spear saltbush
Aureolaria grandiflora var. pulchra
large-flowered yellow false foxglove
Aureolaria pedicularia
clammy false foxglove
Aureolaria pedicularia var. ambigens
fern-leaf yellow false foxglove
Berteroa incana
hoary-alyssum
Berula erecta
low water-parsnip
Bidens cernua
nodding bur-marigold
Bidens coronata
tall swamp marigold
Bidens vulgata
tall beggar-ticks
Brassica juncea
Indian mustard
Brassica nigra
black mustard
Calylophus serrulatus
yellow sundrops
Calystegia sepium
hedge false bindweed
Campanula aparinoides
marsh bellflower
Campanula rapunculoides
rover bellflower
Cannabis sativa
marijuana
Capsella bursa-pastoris
shepherd's-purse
Carduus acanthoides
spiny plumeless thistle
Carduus nutans
nodding thistle
Castilleja coccinea
scarlet painted-cup
Centaurea biebersteinii
spotted knapweed
Chaenorhinum minus
small snapdragon
Chamaecrista fasciculata
sleeping-plant
Chamaesyce glyptosperma
ridge-seeded spurge
Chamaesyce nutans
nodding spurge
Chelone glabra
white turtlehead
Chenopodium simplex
maple-leaved goosefoot
Cicuta bulbifera
bulblet water-hemlock
Cirsium arvense
field thistle
Cirsium discolor
prairie thistle
Cirsium muticum
swamp thistle
Cirsium pitcheri
sand dune thistle
Cirsium vulgare
common thistle
Commelina communis
common dayflower
Convolvulus arvensis
field bindweed
Corallorhiza maculata
summer coralroot