-
Achillea millefolium L.
yarrow
-
Ageratina altissima (L.) King et H.E.Robinson
= Eupatorium rugosum Houtt.
white snakeroot
-
Ambrosia artemisiifolia L.
annual ragweed
-
Antennaria neglecta Greene
pussytoes
-
Antennaria neodioica Greene
Greene's pussytoes
-
Antennaria plantaginifolia (L.) Richardson
plantain-leaved pussytoes
-
Arctium minus Bernh.
lesser or common burdock
-
Artemisia absinthium L.
absinthe
-
Artemisia campestris ssp. caudata (Michaux) Hall et Clements
seaside wormwood
-
Artemisia stelleriana Bess.
dustymiller, beach wormwood
-
Artemisia vulgaris L.
common wormwood, mugwort
-
Aster acuminatus Michaux
= Oclemena acuminata (Michx.) Greene 1903
sharp-leaved aster, whorled wood aster
-
Aster cordifolius Michaux
= Symphyotrichum cordifolium G.L.Nesom 1994
blue heart-leaf aster
-
Aster divaricatus L.
= Eurybia divaricata (L.) G.L.Nesom 1994
white wood aster
-
Aster dumosus L.
= Symphyotrichum dumosum G.L.Nesom 1994
long-stalked aster
-
Aster ericoides L.
= Symphyotrichum ericoides (L.) Nesom
heath white aster
-
Aster laevis L.
= Symphyotrichum laeve A. et D. Löve 1982
smooth aster
-
Aster lanceolatus Willd.
= Symphyotrichum lanceolatum Nesom 1994
tall white aster, panicled aster
-
Aster lateriflorus (L.) Britton
= Symphyotrichum lateriflorum (L.) A. et D. Löve 1982
calico aster
-
Aster linariifolius L.
= Ionactis linariifolia (L.) Greene
stiff aster, spruce aster
-
Aster macrophyllus L.
= Eurybia macrophylla (L.) Cassini 1825
large-leaved aster
-
Aster novae-angliae L.
= Symphyotrichum novae-angliae Nesom 1994
New England aster
-
Aster novi-belgii L.
= Symphyotrichum novi-belgii (L.) Nesom 1994
New York aster
-
Aster patens Ait.
= Symphyotrichum patens (Ait.) Nesom 1994
clasping aster, skydrops
-
Aster pilosus Willd.
= Symphyotrichum pilosum (Willd.) Nesom
white oldfield aster
-
Aster puniceus L.
= Symphyotrichum puniceum A. et D. Löve 1982
bristly aster, swamp aster
-
Aster racemosus Ell.
= Symphyotrichum racemosum Nesom 1994
smooth white oldfield aster
-
Aster spectabilis Ait.
= Eurybia spectablis (Ait.) G.L.Nesom 1994
showy aster
-
Aster subulatus Mischaux
= Symphyotrichum subulatum (Michaux) Nesom
annual saltmarsh aster
-
Aster tenuifolius L.
= Symphyotrichum tenuifolium (L.) Nesom
perennial saltmarsh aster
-
Aster umbellatus P. Miller
= Doellingeria umbellata (Mill.) Nees 1832
tall flat-topped white aster
-
Aster undulatus L.
= Symphyotrichum undulatum (L.) Nesom 1994
clasping hartleaf aster
-
Baccharis halimifolia L.
sea-myrtle
-
Bidens cernua L.
nodding bur-marigold
-
Bidens connata Muhl. ex Willd.
swamp beggar-ticks
-
Bidens coronata (L.) Britton
northern tickseed sunflower
-
Bidens discoidea (Torrey et A. Gray) Britton
small beggar-ticks
-
Bidens frondosa L.
beggar-ticks
-
Centaurea jacea L.
brown knapweed
-
Centaurea maculosa Lam.
= C. stoebe ssp. micranthos (Gugler) Hayek
= C. biebersteinii DC.
spotted or bushy knapweed
-
Cichorium intybus L.
chicory
-
Cirsium arvense (L.) Scop.
Canada thistle
-
Cirsium pumilum (Nutt.) Sprengel
pasture thistle
-
Cirsium vulgare (Savi) Ten.
bull thistle
-
Conyza canadensis (L.) Cronq.
horseweed, hogweed
-
Conyza canadensis var. pusilla (Nutt.) Cronq.
= Conyza parva Cronq.
dwarf horseweed, coastal horseweed
-
Coreopsis lanceolata L.
lanceleaf tickseed
-
Coreopsis rosea Nutt.
pink tickweed
-
Crepis sp. 
-
Doronicum pardalianches L.
great leopard's bane
-
Erechtites hieracifolia (L.) Raf. ex DC.
burnweed, fireweed, pilewort
-
Erigeron annuus (L.) Pers.
eastern daisy fleabane
-
Erigeron philadelphicus L.
Philadelphia fleabane
-
Erigeron strigosus Muhl.
rough fleabane
-
Eupatorium dubium Willd. ex Poiret
Atlantic Joe-Pye-weed
-
Eupatorium fistulosum Barratt
hollow-stemmed Joe-Pye-weed
-
Eupatorium hyssopifolium L.
hyssop-leaved boneset
-
Eupatorium leucolepis var. novae-angliae Fernald
= E. novae-angliae V.I. Sullivan
New England boneset, pondshore boneset
-
Eupatorium maculatum L.
spotted Joe-Pye-weed
-
Eupatorium perfoliatum L.
boneset, thoroughwort
-
Eupatorium pilosum Walter
= E. rotundifolium var. saundersii (Porter) Cronq.
rough boneset, verbena boneset
-
Eupatorium purpureum L.
sweetscented Joe-Pye-weed
-
Eupatorium rotundifolium var. ovatum (Bigelow) Torrey
= E. pubescens Muhl. ex Willd.
hairy boneset
-
Euthamia graminifolia (L.) Nutt.
= Solidago graminifolia (L.) Salisb.
flat-topped goldenrod
-
Euthamia tenuifolia (Pursh) Nutt.
= Solidago tenuifolia Pursh
= Euthamia caroliniana (L.) Greene ex Potter et Britton
slender goldenrod
-
Gaillardia x grandiflora (G. aristata x G. pulchella)
blanket flower
-
Galinsoga parviflora Cav.
quickweed, gallant soldiers
-
Galinsoga quadriradiata Ruiz et Pavon
= G. ciliata (Raf.) Blake
hairy quickweed
-
Gnaphalium obtusifolium L.
= Pseudognaphalium obtusifolium (L.) Hillard et Burtt
sweet everlasting, fragrant cudweed
-
Gnaphalium uliginosum L.
low cudweed
-
Helenium flexuosum Raf.
= H. nudiflorum Nutt.
purple-head sneezeweed
-
Helianthus annuus L.
common sunflower, mirasol
-
Helianthus divaricatus L.
woodland sunflower
-
Hieracium aurantiacum L.
orange hawkweed
-
Hieracium gronovii L.
Gronovius' hawkweed
-
Hieracium paniculatum L.
woodland hawkweed
-
Hieracium pilosella L.
mouse-ear hawkweed
-
Hieracium pratense Tausch
= H. caespitosum Dumort.
king-devil, meadow hawkweed
-
Hieracium sabaudum L.
= H. canadense hort. Goett ex Froel.
Savoy hawkweed, Canada hawkweed
-
Hieracium venosum L.
rattlesnake weed
-
Hypochaeris radicata L.
hairy cat's-ear
-
Iva frutescens ssp. oraria (Bartlett) R.C. Jackson
hightide bush, saltmarsh-elder
-
Krigia virginica (L.) Willd.
dwarf dandelion
-
Lactuca biennis (Moench) Fern.
wild blue lettuce
-
Lactuca canadensis L.
yellow wild lettuce
-
Lactuca serriola L.
prickly lettuce
-
Lapsana communis L.
nipplewort
-
Leontodon autumnalis L.
fall dandelion
-
Leucanthemum vulgare Lam.
oxeye daisy
-
Liatris scariosa var. novae-angliae Lunell
New England blazing-star
-
Matricaria discoidea DC.
= M. matricarioides auct.
pineapple weed
-
Mikania scandens (L.) Willd.
climbing hempweed
-
Petasites hybridus (L.) Gaertner, B. Meyer et Scherb.
Butterbur
-
Pityopsis falcata (Pursh) Nutt.
= Chrysopsis falcata (Pursh) Ell.
sickle-leaved golden aster
-
Pluchea odorata var. succulenta (Fern.) Cronq.
saltmarsh fleabane
-
Prenanthes altissima L.
tall rattlesnake-root
-
Prenanthes trifoliolata (Cass.) Fern.
tall rattlesnake-root
-
Rudbeckia hirta var. pulcherrima Farw.
black-eyed Susan
-
Senecio aureus L.
golden ragwort
-
Senecio obovatus Muhl. ex Willd.
broad-leaved ragwort
-
Senecio vulgaris L.
common groundsel
-
Sericocarpus asteroides (L.) B.S.P.
= Aster paternus Cronq.
toothed white-topped aster
-
Sericocarpus linifolius (L.) B.S.P.
= Aster solidagineus Michaux
narrow-leaved white-topped aster
-
Solidago altissima L.
= S. canadensis var. scabra Torr. et Gray
tall goldenrod
-
Solidago arguta Aiton
sharp-leaved goldenrod
-
Solidago bicolor L.
silverrod, white goldenrod
-
Solidago caesia L.
wreath goldenrod, bluestem goldenrod
-
Solidago canadensis L.
Canada goldenrod
-
Solidago flexicaulis L.
zigzag goldenrod
-
Solidago gigantea Aiton
smooth goldenrod, late goldenrod
-
Solidago juncea Aiton
early goldenrod
-
Solidago latissimifolia P. Miller
Elliott's goldenrod
-
Solidago nemoralis Ait.
gray goldenrod
-
Solidago odora Aiton
licorice goldenrod, sweet goldenrod
-
Solidago puberula Nutt.
downy goldenrod
-
Solidago rugosa P. Miller
rough-stemmed goldenrod
-
Solidago rugosa ssp. aspera (Aiton) Cronq.
rough goldenrod, barrens goldenrod
-
Solidago sempervirens L.
seaside goldenrod
-
Solidago speciosa Nutt.
showy goldenrod
-
Solidago uliginosa Nutt.
swamp goldenrod
-
Solidago ulmifolia Muhl. ex Willd.
elm-leaf goldenrod
-
Sonchus arvensis L.
field sow-thistle
-
Sonchus asper (L.) Hill
spiny-leaved sow-thistle
-
Sonchus oleraceus L.
annual sow-thistle
-
Tanacetum vulgare L.
common tansy
-
Taraxacum laevigatum (Willd.) DC.
= T. erythrospermum Andrz. ex Besser
red-seeded dandelion
-
Taraxacum officinale G.H. Weber ex Wiggers
common dandelion
-
Tragopogon pratensis L.
yellow goat's-beard
-
Tussilago farfara L.
coltsfoot
-
Xanthium echinatum Murray
= X. strumarium var. canadense (P.Miller) Torrey et Gray
coclebur, clotbur
-
Xanthium strumarium L.
European clotbur, European cocklebur