Families: 1
Genera: 77
Species: 260
Total Taxa: 261 (including subsp. and var.)
Achillea millefolium
milfoil
Achillea ptarmica
sneezewort
Ambrosia artemisiifolia
short ragweed
Ambrosia psilostachya
western ragweed
Ambrosia tomentosa
skeleton-leaf bur-sage
Ambrosia trifida
horse-cane
Anaphalis margaritacea
western pearly everlasting
Antennaria howellii
Howell's pussy-toes
Antennaria neglecta
field pussy-toes
Antennaria parlinii
plantain pussy-toes
Antennaria plantaginifolia
woman's-tobacco
Anthemis arvensis
corn chamomile
Anthemis cotula
stinking-cotula
Image
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not yet
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Anthemis tinctoria
yellow chamomile
Arctium lappa
great burdock
Arctium minus
lesser burdock
Arctium tomentosum
woolly burdock
Arnoglossum atriplicifolium
pale Indian-plantain
Arnoglossum plantagineum
prairie Indian-plantain
Arnoglossum reniforme
Muhlenberg's cacalia
Artemisia abrotanum
southernwood
Artemisia absinthium
sage-wort
Artemisia annua
sweet wormwood
Artemisia biennis
biennial wormwood
Artemisia campestris
wormwood
Artemisia dracunculus
false tarragon
Artemisia frigida
prairie sage-wort
Artemisia ludoviciana
white sage
Artemisia pontica
Roman wormwood
Artemisia serrata
toothed sage
Artemisia stelleriana
dusty-miller sage-wort
Artemisia vulgaris
sage-wort
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Aster borealis
slender white bog aster
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not yet
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Aster ciliolatus
northern heart-leaved aster
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Aster cordifolius
common blue wood aster
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Aster drummondii
hairy heart-leaved aster
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Aster dumosus
rice-button aster
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Aster ericoides
white heath aster
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Aster firmus
glossy-leaved aster
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Aster furcatus
midwestern white heart-leaved aster
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Aster hesperius
common Western lined aster
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Aster laevis
smooth blue aster
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Aster lanceolatus
white panicle aster
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Aster lateriflorus
side-flowering aster
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Aster linariifolius
stiff aster
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not yet
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Aster longifolius
Robyn's aster
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Aster macrophyllus
large-leaved aster
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Aster modestus
northwestern sticky aster
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Aster novae-angliae
New England aster
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Aster oblongifolius
oblong-leaved aster
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Aster ontarionis
Ontario aster
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Aster oolentangiensis
sky-blue aster
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Aster pilosus
white old-field aster
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Aster praealtus
willow-leaved aster
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Aster prenanthoides
zigzag aster
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Aster puniceus
purple-stem aster
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Aster sagittifolius
white arrowleaf aster
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Aster sericeus
western silvery aster
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Aster shortii
Short's aster
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Aster subulatus
eastern annual saltmarsh aster
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Aster umbellatus
tall flat-topped white aster
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Balsamita major
mint-geranium
Bellis perennis
lawn daisy
Bidens aristosa
swamp marigold
Bidens cernua
nodding bur-marigold
Bidens connata
purple-stemmed tickseed
Bidens discoidea
swamp beggar-ticks
Bidens frondosa
devil's beggar-ticks
Bidens pilosa
Spanish needles
Bidens vulgata
tall beggar-ticks
Boltonia asteroides
white doll's-daisy
Calendula officinalis
pot-marigold
Callistephus chinensis
china aster
Carduus acanthoides
spiny plumeless thistle
Carduus nutans
nodding thistle
Image
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not yet
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Centaurea americana
basket-flower
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not yet
available
Centaurea biebersteinii
spotted knapweed
Centaurea cyanus
cornflower
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not yet
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Centaurea debeauxii subsp. thuillieri
meadow knapweed
Centaurea diffusa
white knapweed
Centaurea jacea
brown-ray knapweed
Centaurea macrocephala
yellow bachelor's button
Centaurea melitensis
Maltese star-thistle
Centaurea montana
mountain cornflower
Centaurea nigra
lesser knapweed
Centaurea nigrescens
Vochin knapweed
Image
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Centaurea repens
Russian knapweed
Centaurea scabiosa
hard-heads
Centaurea solstitialis
yellow star-thistle
Cichorium intybus
chicory
Cirsium altissimum
roadside thistle
Cirsium arvense
field thistle
Cirsium discolor
prairie thistle
Cirsium flodmanii
prairie thistle
Image
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not yet
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Cirsium hillii
prairie thistle
Cirsium muticum
swamp thistle
Cirsium palustre
marsh thistle
Cirsium pitcheri
sand dune thistle
Cirsium undulatum
wavy-leaved thistle
Cirsium vulgare
common thistle
Image
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not yet
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Cnicus benedictus
blessed thistle