Achillea
millefolium (Yarrow)
ptarmica (Sneezeweed
Yarrow)
Actinomeris (see Verbesina)
Ageratina
altissima (White
Snake Root)
Ambrosia
artemisiifolia (Common
Ragweed)
trifida (Giant Ragweed)
Anaphalis
margaritacea (Pearly
Everlasting)
Antennaria
neglecta (Field
Pussytoes)
plantaginifolia
(Plantain-leaved Pussytoes)
solitaria (Solitary
Pussytoes)
Anthemis
cotula (Mayweed)
Arctium
lappa (Great
Burdock)
minus (Common
Burdock)
tomentosum
(Woolly Burdock)
Arnica
mollis (Arnica)
Arnoglossum
atriplicifolia
(Pale Indian-plantain)
muhlenbergii
(Great Indian-plantain)
plantagineum
(Tuberous Indian-plantain)
Arnoseris
minima (Lamb
Succory)
Artemisia
absinthium (Absinthe
Wormwood)
annua (Annual
Wormwood)
biennis (Biennial
Wormwood)
campestris (Tall
Wormwood)
caudata (see campestris)
ludoviciana (White
Sage)
stelleriana (Dusty
Miller)
vulgaris (Mugwort)
Bidens
aristosa (Tickseed
Sunflower)
bipinnata (Spanish
Needles)
cernua (Nodding Bur-marigold)
connata (Swamp Beggar
Ticks)
coronata
(Crowned Beggar Ticks)
frondosa (Beggar Ticks)
laevis (Bur Marigold)
Brickellia
eupatoroides (False
Boneset)
Carduus
crispus (Welted
Thistle)
nutans (Nodding
Thistle)
Centaurea
americana (American
Knapweed)
biebersteinii
(Spotted Knapweed)
calcitrapa (Caltrops)
cyanus (Bachelor's
Button)
jacea (Brown
Knapweed)
maculosa (see biebersteinii)
nigra
(Black Knapweed)
nigrescens
(Tyrol Knapweed)
scabiosa
(Great Knapweed)
solstitialis
(Barnaby's Thistle)
vochinensis (see nigrescens)
Chichorium
intybus (Chicory)
Chrysogonum
virginianum (Chrysogonum)
Chrysopsis
mariana (Maryland Golden
Aster)
Cirsium
altissimum (Tall
Thistle)
arvense (Canada
Thistle)
discolor (Field
Thistle)
horridulum (Yellow
Thistle)
muticum (Swamp
Thistle)
pumilum (Pasture
Thistle)
virginianum
(Virginia Thistle)
vulgare
(Bull Thistle)
Cnicus
benedictus (Blessed
Thistle)
Conoclinium
coelestinum (Mistflower)
Conyza
canadensis
(Horseweed)
Coreopsis
grandiflora (Large-flowered
Coreopsis)
lanceolata (Lance-leaved
Coreopsis)
palmata (Stiff Coreopsis)
rosea (Pink Tickseed)
tripteris (Tall Coreopsis)
verticillata (Whorled
Coreopsis)
Crepis
capillaris (Smooth
Hawksbeard)
Doellingeria
umbellata (Flat-topped
White Aster)
Echinacea
pallida (Pale
Purple Coneflower)
purpurea (Purple
Coneflower)
Eclipta
alba (Yerba de Tajo)
Elephantopus
carolinianus (Carolina
Elephant's Foot)
Erechtites
hieracifolia (Pilewort)
Erigeron
annuus
(Daisy Fleabane)
philadelphicus
(Philadelphia Fleabane)
pulchellus
(Robin Plantain)
strigosus
(White-top Fleabane)
Eupatorium
altissimum (Tall
Thoroughwort)
hyssopifolium (Hyssop-leaved
Thoroughwort)
leucolepis (White-bracted
Thoroughwort)
maculatum (Spotted
Joe-pye-weed)
perfoliatum (Boneset)
pilosum (Hairy Thoroughwort)
purpureum (Sweet
Joe-pye-weed)
rotundifolium (Round-leaved
Thoroughwort)
serotinum (Late-flowering
Thoroughwort)
sessilifolium (Uplant
Boneset)
Eurybia
divaricata (White
Wood Aster)
radula (Rough-leaved
Aster)
macrophylla (Large-leaved
Aster)
schreberi (Schreber's
Aster)
spectabilis (Showy
Aster)
Euthamia
graminifolia (Lance-leaved
Goldenrod)
tenuifolia (Slender
Fragrant Goldenrod)
Galinsoga
parviflora (Gallant
Soldier)
Gnaphalium
uliginosum (Low
Cudweed)
Grindelia
squarrosa (Gumweed)
Hasteola
suaveolens (Sweet-scented
Indian-plantain)
Helenium
amarum (Fine-leaved
Sneezeweed)
autumnale (Sneezeweed)
flexuosum (Purple-headed
Sneezeweed)
Helianthus
angustifolius (Narrow-leaved
Sunflower)
annus (Common
Sunflower)
decapetalus (Thin-leaved
Sunflower)
divaricatus (Woodland
Sunflower)
giganteus (Giant Sunflower)
grosseserratus (Saw-toothed
Sunflower)
hirsutus (Stiff-haired
Sunflower)
microcephalus (Small
Wood Sunflower)
mollis (Hairy Sunflower)
occidentalis (Western
Sunflower)
petiolaris (Prairie
Sunflower)
strumosus (Pale-leaved
Wood Sunflower)
tuberosa (Jerusalem
Artichoke)
Heliopsis
helianthoides (Ox
Eye)
Heterotheca
subaxillaris (Camphorweed)
Hieracium
aurantiacum (Orange
Hawkweed)
caespitosum (King
Devil)
canadense (Canada
Hawkweed)
gronovii (Hairy
Hawkweed)
paniculatum (Panicle
Hawkweed)
pilosella (Mouse-eared
Hawkweed)
scabrum (Rough Hawkweed)
venosum (Rattlesnake
Weed)
Hypochaeris
radicata (Cat's Ear)
Inula
helenium (Elecampane)
Ionactis
linariifolius (Stiff
Aster)
Krigia
biflora (Two-flowered
Cynthia)
virginica (Dwarf
Dandelion) |
Lactuca
biennis (Wild Blue
Lettuce)
canadensis (Wild
Lettuce)
floridana (Woodland
Lettuce)
hirsuta (Hairy
Lettuce)
serriola (Prickly
Lettuce)
tatarica (Russian
Blue Lettuce)
Lapsana
communis (Nipplewort)
Leontodon
autumnalis (Fall
Dandelion)
Leucanthemum
vulgare (Ox-eye
Daisy)
Liatris
aspera (Rough
Blazing Star)
borealis (see scariosa)
cylindracea (Cylindric
Blazing Star)
punctata (Dotted
Blazing Star)
pycnostachya (Prairie
Blazing Star)
scariosa (New
England Blazing Star)
spicata (Dense Blazing
Star)
squarrosa (Scaly
Blazing Star)
Marshallia
grandiflora (Barbara's
Buttons)
Matricaria
chamomilla (see recutita)
discoidea (Pineapple
Weed)
matricarioides (see discoidea)
recutita (Wild Chamomile)
Megalodonta
beckii (Water
Marigold)
Mikania
scandens (Climbing
Boneset)
Oclemena
acuminata (Whorled
Wood Aster)
nemoralis (Bog Aster)
Oligoneuron
album (Upland White
Aster)
ohioense (Ohio Goldenrod)
rigidum (Hard-leaved
Goldenrod)
Onopordum
acanthium (Scotch
Thistle)
Packera
aurea (Golden Ragwort)
paupercula (Balsam
Ragwort)
plattensis (Prairie
Ragwort)
Parthenium
integrifolium (Wild
Quinine)
Petasites
hybridus (Butterbur)
Pityopsis
falcata (Sickle-leaved
Golden Aster)
graminifolia (Grass-leaved
Golden Aster)
Pluchea
camphorata (Camphorweed)
Polymnia
canadensis (Small-flowered
Leafcup)
Prenanthes
alba (White Rattlesnake-root)
altissima (Tall
White Rattlesnake-root)
racemosa (Purple
Rattlesnake-root)
serpentaria (Lion's
foot)
trifoliata (Gall
of the Earth)
Pseudognaphalium
macounii (Clammy
Everlasting)
obtusifolium (Sweet
Everlasting)
Ratibida
pinnata (Gray-headed
Coneflower)
Rudbeckia
fulgida (Orange
Coneflower)
hirta (Black-eyed
Susan)
laciniata (Green-headed
Coneflower)
subtomentosa (Sweet
Coneflower)
triloba (Thin-leaved
Coneflower)
Senecio
jacobaea (Tansy Ragwort)
obovatus (Roundleaf
Ragwort)
robbinsii (see schweinitzianus)
schweinitzianus (Robbin's
Ragwort)
tomentosus (Woolly
Ragwort)
viscosus (Stinking
Groundsel)
vulgaris (Common
Groundsel)
Sericocarpus
asteroides (Toothed
White-topped Aster)
linifolius (Narrow-leaved
White-topped Aster)
Silphium
integrifolium (Rosinweed)
laciniatum (Compass
Plant)
perfoliatum (Cup
Plant)
terebinthinaceum
(Prairie Dock)
trifoliatum
(Whorled Rosinweed)
Smallanthus
uvedalius (Large-flowered
Leafcup)
Solidago
altissima (Tall Goldenrod) see canadensis
arguta (Sharp-leaved
Goldenrod)
bicolor (White
Goldenrod)
caesia (Blue-stemmed
Goldenrod)
canadensis (Canada
Goldenrod)
cutleri (Alpine
Goldenrod)
fistulosa (Pine-barren
Goldenrod)
flexicaulis (Zigzag
Goldenrod)
gigantea (Late Goldenrod)
hispida (Hairy
Goldenrod)
juncea (Early Goldenrod)
latissimifolia
(Elliott's Goldenrod)
macrophylla (Large-leaved
Goldenrod)
nemoralis (Gray
Goldenrod)
odora (Sweet Goldenrod)
patula (Rough-leaved
Goldenrod)
puberula (Downy
Goldenrod)
rugosa (Rough-stemmed
Goldenrod)
sempervirens (Seaside
Goldenrod)
speciosa (Showy
Goldenrod)
squarrosa (Stout
Goldenrod)
stricta (Wand Goldenrod)
uliginosa (Bog
Goldenrod)
ulmifolia (Elm-leaved
Goldenrod)
Sonchus
arvensis (Field Sow
Thistle)
asper (Spiny-leaved
Sow Thistle)
oleraceus (Common
Sow Thistle)
Symphyotrichum
boreale (Rush Aster)
concolor (Eastern
Silvery Aster)
cordifolium (Heart-leaved
Aster)
dumosum (Bushy Aster)
ericoides (Heath
Aster)
laeve (Smooth Aster)
lanceolatum (Panicled
Aster)
lateriflorum (Calico
Aster)
lowreianum (Lowrie's
Aster)
novae-angliae (New
England Aster)
novae-belgii (New
York Aster)
oblongifolium (Aromatic
Aster)
oolentangiense (Azure
Aster)
patens (Late Purple
Aster)
praealtum (Willow
Aster)
prenanthoides (Crooked-stemmed
Aster)
puniceum (Purple-stemmed
Aster)
racemosum (Small White
Aster)
sericeum (Western
Silvery Aster)
shortii (Short's Aster)
subulatum (Annual Salt-marsh
Aster)
tenuifolium (Perennial
Salt-marsh Aster)
tradescantii (Tradescant's
Aster)
turbinellum (Prairie
Aster)
undulatum (Wavy-leaved
Aster)
Tanacetum
parthenium (Feverfew)
vulgare (Common
Tansy)
Taraxacum
erythrospermum (Red-seeded
Dandelion)
officinale (Common
Dandelion)
Tragapogon
porrifolius (Salsify)
pratensis (Yellow
Goat's Beard)
Tripleurospermum
maritima (Scentless
Chamomile)
Tussilago
farfara (Coltsfoot)
Verbesina
alternifolia (Wingstem)
helianthoides
(Gravelweed)
occidentalis (Crown-beard)
Vernonia
fasciculata (Western
Ironweed)
gigantea (Tall Ironweed)
noveboracensis (New
York Ironweed)
Xanthium
chinense (see strumarium)
echinatum (see strumarium)
spinosum (Spiny Clotbur)
strumarium (Cocklebur) |
