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Family Asteraceae
Acanthospermum hispidum DC.
Bristly Starbur
Hispid Starburr
Achillea L.
Yarrow
Achillea millefolium L.
Bloodwort
Common Yarrow
Milfoil
Nose-bleed
Sanguinary
Thousand-seal
Achillea millefolium var. occidentalis DC.
Western Yarrow
Acroptilon repens (L.) DC.
Blueweed
Creeping Knapweed
Hardheads
Russian Knapweed
Ageratina altissima (L.) King & H.E. Robins.
White Snakeroot
Ambrosia artemisiifolia L.
Annual Bursage
Annual Ragweed
Common Ragweed
Short Ragweed
Ambrosia psilostachya DC.
Cuman Ragweed
Perennial Ragweed
Western Ragweed
Ambrosia trifida L.
Crownweed
Giant Ragweed
Great Ragweed
Horse-Cane
Anaphalis margaritacea (L.) Benth.
Pearly Everlasting
Western Pearly Everlasting
Antennaria Gaertn.
Everlasting
Lady's-tobacco
Pussy-toes
Anthemis cotula L.
Dog-fennel
Mayweed
Mayweed chamomile
Stinking Chamomile
Stinking Mayweed
Stinking-Cotula
Arctium minus Bernh.
Common Burdock
Lesser Burdock
Artemisia absinthium L.
Absinth Sage-wort
Absinth Wormwood
Absinthe
Absinthium
Common Wormwood
Sage-wort
Wormwood
Artemisia annua L.
Annual Sage-wort
Annual Wormwood
Sweet Annie
Sweet Wormwood
Artemisia campestris ssp. caudata (Michx.) Hall & Clements
Field Sagewort
Field Wormwood
Wild Wormwood
Aster L.
Aster
Frost-flower
Starwort
Aster pilosus var. pilosus Willd.
Awl Aster
Frost Aster
Hairy Aster
White Heath Aster
White Old-field Aster
Bidens bipinnata L.
Spanish Blackjack
Spanish Needles
Bidens cernua L.
Bidens cernuus L.
Bur Marigold
Nodding Beggar-ticks
Nodding Bur-marigold
Bidens frondosa L.
Common Beggar-ticks
Devil's Beggar-ticks
Carduus acanthoides L.
Acanthus Thistle
Plumeless Thistle
Spiny Plumeless Thistle
Welted Thistle
Carduus L.
Plumeless Thistle
Thistle
Carduus nutans L.
Musk Thistle
Nodding Plumeless Thistle
Nodding Thistle
Carthamus tinctorius L.
False Saffron
Safflower
Centaurea biebersteinii DC.
Spotted Knapweed
Centaurea cyanus L.
Bachelor's-button
Bluebottle
Cornflower
Garden Cornflower
Centaurea solstitialis L.
Golden Starthistle
St. Barnaby's Thistle
Yellow Starthistle
Chrysanthemum L.
Daisy
Mum
Cichorium intybus L.
Blue-sailors
Chicory
Coffeeweed
Succory
Cirsium altissimum (L.) Hill
Roadside Thistle
Tall Thistle
Wood Thistle
Cirsium arvense (L.) Scop.
Californian Thistle
Canada Thistle
Creeping Thistle
Field Thistle
Cirsium brevifolium Nutt.
Palouse Thistle
Cirsium canescens Nutt.
Platte Thistle
Prairie Thistle
Cirsium discolor (Muhl. ex Willd.) Spreng.
Field Thistle
Pasture Thistle
Prairie Thistle
Cirsium flodmanii (Rydb.) Arthur
Flodman's Thistle
Prarie Thistle
Cirsium foliosum (Hook.) DC.
Drummond's thistle
Elk Thistle
Leafy Thistle
Meadow thistle
Cirsium macrocephalum C.A.MEY.
Cirsium occidentale ((Nutt.) Jepson
Cobwebby Thistle
Cirsium ochrocentrum Gray
Beaumont Thistle
Yellowspine Thistle
Cirsium P. Mill.
Hill's Thistle
Hollow-rooted Thistle
Praire Thistle
Cirsium palustre (L.) Scop.
European Swamp Thistle
Marsh Thistle
Cirsium pumilum (Nutt.) Spreng.
Pasture Thistle
Cirsium undulatum (Nutt.) Spreng.
Gray Thistle
Wavyleaf Bullthistle
Wavy-leaf Thistle
Cirsium vulgare (Savi) Ten.
Bull Thistle
Common Thistle
Fuller's Thistle
Spear Thistle
Cnicus benedictus L.
Blessed Thistle
Holy Thistle
Conyza canadensis (L.) Cronq.
Canada Horseweed
Canadian Horseweed
Fleabane
Hogweed
Horseweed Fleabane
Marestail
Crepis capillaris (L.) Wallr.
Hawk's-beard
Smooth hawksbeard
Smooth Hawk's-beard
Crepis L.
Hawk's beard
Crepis tectorum L.
Annual Hawksbeard
Hawk's-beard
Narrowleaf hawksbeard
Narrow-leaved Hawk's-beard
Echinacea angustifolia DC.
Blacksamson Echinacea
Purple Cornflower
Eclipta prostrata (L.) L.
False Daisy
White Eclipta
Yerba de Tago
Erigeron annuus (L.) Pers.
Annual Fleabane
Daisy Fleabane
Eastern Daisy Fleabane
Sweet Scabious
Erigeron strigosus Muhl. ex Willd.
Daisy Fleabane
Prairie Fleabane
Rough Fleabane
Eupatorium capillifolium (Lam.) Small
Dogfennel
Eupatorium L.
Boneset
Joe-Pye Weed
Thoroughwort
Eupatorium perfoliatum L.
Boneset
Common Boneset
Thoroughwort
Galinsoga parviflora Cav.
Gallant Soldier
Lesser Quickweed
Littleflower Quickweed
Small Flower Galinsoga
Small-Flowered Quickweed
Smooth Peruvian Daisy
Galinsoga quadriradiata Cav.
Common Quick-Weed
Fringed Quickweed
Hairy Galinsoga
Peruvian Daisy
Shaggy Soldier
Gnaphalium L.
Cudweed
Everlasting
Grindelia Willd.
Gum-Plant
Gumweed
Tar-Weed
Helenium amarum (Raf.) H. Rock
Bitter Sneezeweed
Bitterweed
Narrow-leaved Sneezeweed
Yellow Dogfennel
Yellowdicks
Helenium autumnale L.
Bitterweed
Common Sneezeweed
Fall Sneezeweed
False Sunflower
Helianthus annuus L.
Annual Sunflower
Common Sunflower
Garden Sunflower
Sunflower
Wild Sunflower
Helianthus ciliaris DC.
Blueweed
Blueweed Sunflower
Texas Blueweed
Helianthus grosseserratus Martens
Sawtooth Sunflower
Helianthus maximiliani Schrad.
Maximilian Sunflower
Helianthus pauciflorus Nutt.
Few-Leaved Sunflower
Prairie Sunflower
Stiff Sunflower
Helianthus pauciflorus ssp. pauciflorus Nutt.
Few-leaved Sunflower
Praire Sunflower
Stiff Sunflower
Helianthus petiolaris Nutt.
Petioled Sunflower
Plains Sunflower
Prairie Sunflower
Helianthus strumosus L.
Paleleaf Woodland Sunflower
Rough Leaved Sunflower
Helianthus tuberosus L.
Girasole
Jerusalem Artichoke
Jerusalem Sunflower
Topinambur
Woodland Sunflower
Yerba Parda
Heterotheca Cass.
Camphorweed
False Goldenaster
Goldenasters
Telegraph Plant
Heterotheca subaxillaris (Lam.) Britt. & Rusby
Camphorweed
Hieracium aurantiacum L.
Devil's Paintbrush
Grim-the-collier
King Devil
Orange Hawkweed
Red Daisy
Hieracium L.
Hawkweed
Hypochaeris radicata L.
Cat's Ear
False Dandelion
Iva xanthifolia Nutt.
Burrweed Marshelder
Carelessweed
Common Marshelder
False Ragweed
Giant Sumpweed
Marshelder
Rag Sumpweed
Tall Marshelder
Lactuca canadensis L.
Canada Lettuce
Florida Blue Lettuce
Tall Lettuce
Tall Wild Lettuce
Wild Lettuce
Lactuca serriola L.
China Lettuce
Prickly Lettuce
Leucanthemum vulgare Lam.
Common Daisy
Field Daisy
Marguerite
Oxeye Daisy
White Daisy
Liatris Gaertn. ex Schreb.
Blazing Star
Gay Feather
Tall Grayfeather
Liatris punctata Hook.
Dotted Blazing Star
Dotted Gayfeather
Nebraska Gay Feather
Snakeroot
Liatris spicata (L.) Willd
Dense Blazing Star
Dense Gay-Feather
Gayfeather
Marsh Blazing-Star
Marsh Gay-Feather
Sessile Blazing-Star
Sessile-Headed Blazing Star
Matricaria discoidea DC.
Disc Weed
Pineapple Weed
Rounded Chamomile
Oligoneuron rigidum (L.) Small
Hard-leaved Goldenrod
Rigid Goldenrod
Stiff Goldenrod
Onopordum acanthium L.
Cotton Thistle
Heraldic Thistle
Scotch Cottonthistle
Scotch Thistle
Pyrrhopappus carolinianus (Walt.) DC.
Carolina Desert Chicory
Carolina False Dandelion
False Dandelion
Ratibida columnifera (Nutt.) Woot. & Standl.
Mexican Hat
Prairie Coneflower
Upright Prairie Coneflower
Rudbeckia hirta L.
Blackeyed Susan
Pinewoods Coneflower
Senecio L.
Groundsel
Ragwort
Senecio vulgaris L
Common Groundsel
Groundsel
Old-man-in-the-Spring
Sticky Groundsel
Silphium laciniatum L.
Compass Plant
Rosin weed
Silphium perfoliatum L.
Cup Plant
Cupleaf Rosinweed
Squarestem Rosinweed
Solidago canadensis L.
Canada Goldenrod
Common Goldenrod
Meadow Goldenrod
Solidago L.
Goldenrod
Solidago missouriensis Nutt.
Missouri Goldenrod
Praire Goldenrod
Sonchus arvensis L.
Creeping Sowthistle
Field Milk Thistle
Field Sowthistle
Perennial Sowthistle
Sonchus L.
Sow Thistle
Sonchus oleraceus L.
Annual Sowthistle
Common Sowthistle
Smooth Sowthistle
Tanacetum vulgare L.
Common Tansy
Golden Buttons
Tansy
Taraxacum laevigatum (Willd.) DC.
Red-seeded Dandelion
Rock Dandelion
Smooth Dandelion
Taraxacum officinale G.H. Weber ex Wiggers
Blowball
Common Dandelion
Dandelion
Lion's Tooth
Tragopogon dubius Scop.
Common Salsify
Fistulous Goat's-beard
Goat's Beard
Greater Sand Goat's Beard
Meadow Goat's-beard
Western Salsify
Wild Oysterplant
Yellow Salsify
Tripleurospermum maritima ssp. maritima (L.) W.D.J. Koch
False Chamomile
False Mayweed
Scentless Chamomile
Sea Mayweed
Vernonia baldwinii Torr.
Baldwin's Ironweed
Ironweed
Western Ironweed
Xanthium strumarium L.
Broad Cocklebur
Burweed
Cocklebur
Common Cocklebur
Rough Cocklebur
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