Herbaceous Plants

Herbaceous Plants


Alismataceae

water-plantain family

Alisma
Alisma
 water-plantain 
A. subcordatum
southern water-plantain
Sagittaria
Sagittaria
 arrowhead 
S. latifolia
broadleaf arrowhead
Amaranthaceae

amaranth family

Amaranthus
Amaranthus
 amaranth 
A. caudatus
purple amaranth
A. cruentus
blood amaranth
A. spinosus
spiny amaranth
Atriplex
Atriplex
 saltbush 
A. patula
common orache
Chenopodium
Chenopodium
 goosefoot 
C. album
lamb's-quarters
Amaryllidaceae

amaryllis & onion family

Allium
Allium
 onion 
A. canadense
meadow garlic
A. cernuum
nodding onion
A. vineale
wild garlic
Narcissus
Narcissus
 daffodil 
N. poeticus
poet's daffodil
N. pseudonarcissus
common daffodil
Apiaceae

parsley family

Angelica
Angelica
 Angelica 
A. atropurpurea
purplestem Angelica
A. triquinata
Appalachian Angelica
Anthriscus
Anthriscus
 chervil 
A. sylvestris
wild chervil
Cicuta
Cicuta
 water hemlock 
C. maculata
water hemlock
Conium
Conium
 poison hemlock 
C. maculatum
poison hemlock
Cryptotaenia
Cryptotaenia
 honewort 
C. canadensis
honewort
Daucus
Daucus
 celery 
D. carota
queen Anne's lace
Erigenia
Erigenia
 harbinger-of-spring 
E. bulbosa
harbinger-of-spring
Heracleum
Heracleum
 cow-parsnip 
H. maximum
cow-parsnip
Osmorhiza
Osmorhiza
 sweet-cicely 
O. claytonii
sweet-cecily
O. longistylis
aniseroot
Pastinaca
Pastinaca
 parsnip 
P. sativa
wild parsnip
Sanicula
Sanicula
 sanicle 
S. marilandica
Maryland sanicle
S. odorata
clustered black-snakeroot
Sium
Sium
 water parsnip 
S. suave
water parsnip
Taenidia
Taenidia
 pimpernel 
T. integerrima
yellow pimpernel
Thaspium
Thaspium
 meadow-parsnip 
T. trifoliatum
meadow-parsnip
Zizia
Zizia
 alexanders 
Z. aptera
heartleaf alexanders
Z. aurea
golden alexanders
Apocynaceae

dogbane family

Apocynum
Apocynum
 dogbane 
A. androsaemifolium
spreading dogbane
A. cannabinum
Indian hemp
Asclepias
Asclepias
 milkweed 
A. exaltata
tall milkweed
A. incarnata
swamp milkweed
A. purpurascens
purple milkweed
A. quadrifolia
whorled milkweed
A. syriaca
common milkweed
A. tuberosa
butterfly weed
Vinca
Vinca
 periwinkle 
V. minor
common periwinkle
Araceae

arum family

Arisaema
Arisaema
 Jack-in-the-pulpit 
A. triphyllum
Jack-in-the-pulpit
Calla
Calla
 bog arum 
C. palustris
wild calla
Lemna
Lemna
 duckweed 
L. minor
common duckweed
Orontium
Orontium
 golden club 
O. aquaticum
goldenclub
Peltandra
Peltandra
 arrow-arum 
P. virginica
green arrow-arum
Symplocarpus
Symplocarpus
 skunk cabbage 
S. foetidus
skunk cabbage
Araliaceae

spikenard family

Aralia
Aralia
 spikenard 
A. racemosa
American spikenard
Hydrocotyle
Hydrocotyle
 marsh-pennywort 
H. americana
American marsh-pennywort
Panax
Panax
 ginseng 
P. quinquefolius
American ginseng
P. trifolius
dwarf ginseng
Aristolochiaceae

birthwort family

Asarum
Asarum
 wild ginger 
A. canadense
Canadian wild ginger
Asteraceae

aster family

Achillea
Achillea
 yarrow 
Ageratina
Ageratina
 snakeroot 
A. altissima
white snakeroot
Ambrosia
Ambrosia
 ragweed 
A. artemisiifolia
annual ragweed
A. trifida
great ragweed
Anaphalis
Anaphalis
 everlasting 
A. margaritacea
pearly everlasting
Antennaria
Antennaria
 pussytoes 
A. howellii
Howell's pussytoes
A. neglecta
field pussytoes
A. plantaginifolia
plantain-leaved pussytoes
Anthemis
Anthemis
 chamomile 
A. arvensis
corn chamomile
Arctium
Arctium
 burdock 
A. lappa
great burdock
A. minus
common burdock
Artemisia
Artemisia
 mugwort 
A. annua
annual wormwood
A. vulgaris
common mugwort
Bellis
Bellis
 lawn daisy 
B. perennis
lawn daisy
Bidens
Bidens
 sticktight 
B. cernua
nodding beggarticks
B. connata
purplestem beggarticks
B. frondosa
devil's beggarticks
B. polylepis
Ozark beggarticks
B. tripartita
three-lobed beggarticks
Calendula
Calendula
 pot-marigold 
C. officinalis
garden marigold
Centaurea
Centaurea
 knapweed 
C. stoebe
spotted knapweed
Cichorium
Cichorium
 chicory 
C. intybus
common chicory
Cirsium
Cirsium
 thistle 
C. arvense
Canadian thistle
C. muticum
swamp thistle
C. vulgare
bull thistle
Conoclinium
Conoclinium
 mistflower 
C. coelestinum
blue mistflower
Coreopsis
Coreopsis
 tickseed 
C. lanceolata
longstalk tickseed
C. tinctoria
golden tickseed
Doellingeria
Doellingeria
 white aster 
D. umbellata
flat-topped white aster
Echinacea
Echinacea
 purple coneflower 
E. purpurea
purple coneflower
Eclipta
Eclipta
 false daisy 
E. prostrata
false daisy
Erechtites
Erechtites
 fireweed 
E. hieraciifolius
American burnweed
Erigeron
Erigeron
 fleabane 
E. annuus
annual fleabane
E. canadensis
Canada fleabane
E. philadelphicus
Philadelphia fleabane
E. strigosus
daisy fleabane
Eupatorium
Eupatorium
 thoroughwort 
E. perfoliatum
common boneset
E. serotinum
late thoroughwort
Eurybia
Eurybia
 wood aster 
E. divaricata
white wood aster
E. macrophylla
large-leaved aster
Euthamia
Euthamia
 grassleaf goldenrod 
E. graminifolia
common grassleaf goldenrod
Eutrochium
Eutrochium
 Joe-Pye-weed 
E. fistulosum
trumpetweed
E. maculatum
spotted Joe-Pye-weed
E. purpureum
sweet Joe-Pye-weed
Gaillardia
Gaillardia
 blanket-flower 
G. pinnatifida
tansy blanket-flower
Galinsoga
Galinsoga
 quickweed 
G. quadriradiata
fringed quickweed
Helenium
Helenium
 sneezeweed 
H. autumnale
common sneezeweed
H. flexuosum
purple-headed sneezeweed
Helianthus
Helianthus
 sunflower 
H. decapetalus
thinleaf sunflower
H. divaricatus
woodland sunflower
H. maximiliani
Maximilian's sunflower
H. mollis
downy sunflower
Heliopsis
Heliopsis
 sunflower-everlasting 
Hieracium
Hieracium
 hawkweed 
H. paniculatum
Allegheny hawkweed
H. scabrum
sticky hawkweed
H. venosum
rattlesnake hawkweed
Hypochaeris
Hypochaeris
 cat's-ear 
H. radicata
hairy cat's-ear
Ionactis
Ionactis
 stiff aster 
I. linariifolia
flaxleaf stiff aster
Lactuca
Lactuca
 lettuce 
L. biennis
blue lettuce
L. canadensis
wild lettuce
L. floridana
woodland lettuce
L. serriola
prickly lettuce
Lapsana
Lapsana
 nipplewort 
L. communis
common nipplewort
L. vulgare
oxeye daisy
Liatris
Liatris
 blazingstar 
L. spicata
dense blazingstar
Marshallia
Marshallia
 Barbara's buttons 
M. pulchra
Monongahela Barbara's buttons
Matricaria
Matricaria
 mayweed 
M. discoidea
pineapple-weed
Nabalus
Nabalus
 rattlesnake-root 
N. altissimus
white lettuce
N. trifoliolatus
threeleaf rattlesnake-root
Oclemena
Oclemena
 nodding-aster 
O. acuminata
whorled aster
O. nemoralis
bog aster
Packera
Packera
 ragwort 
P. aurea
golden ragwort
Pilosella
Pilosella
 hawkweed 
P. aurantiaca
orange hawkweed
P. caespitosa
king-devil
P. officinarum
mouse-ear hawkweed
Pseudognaphalium
Pseudognaphalium
 rabbit-tobacco 
P. obtusifolium
sweet everlasting
Rudbeckia
Rudbeckia
 coneflower 
R. hirta
black-eyed Susan
R. laciniata
greenhead coneflower
R. triloba
brown-eyed Susan
Scorzoneroides
Scorzoneroides
 hawkbit 
S. autumnalis
autumn hawkbit
Senecio
Senecio
 ragwort 
S. vulgaris
common ragwort
Silphium
Silphium
 rosin-weed 
S. perfoliatum
cup-plant
Solidago
Solidago
 goldenrod 
S. altissima
tall goldenrod
S. bicolor
white goldenrod
S. caesia
wreath goldenrod
S. canadensis
Canada goldenrod
S. flexicaulis
zigzag goldenrod
S. gigantea
smooth goldenrod
S. juncea
early goldenrod
S. nemoralis
gray goldenrod
S. odora
sweet goldenrod
S. puberula
downy goldenrod
S. rugosa
wrinkleleaf goldenrod
Sonchus
Sonchus
 sowthistle 
S. arvensis
field sowthistle
S. asper
spiny sowthistle
S. oleraceus
common sowthistle
Symphyotrichum
Symphyotrichum
 American aster 
S. cordifolium
blue wood aster
S. laeve
smooth blue aster
S. lanceolatum
lanceleaf aster
S. lateriflorum
calico aster
S. lowrieanum
Lowrie's blue wood aster
S. novae-angliae
New England aster
S. novi-belgii
New York aster
S. oblongifolium
aromatic aster
S. patens
late purple aster
S. pilosum
hairy aster
S. praealtum
veinleaf aster
S. prenanthoides
crookedstem aster
S. puniceum
purplestem aster
S. racemosum
small white aster
S. undulatum
wavyleaf aster
Tanacetum
Tanacetum
 tansy 
T. parthenium
feverfew tansy
T. vulgare
common tansy
Taraxacum
Taraxacum
 dandelion 
T. officinale
common dandelion
Tragopogon
Tragopogon
 goat's-beard 
T. dubius
yellow salsify
T. pratensis
goat's-beard
Tussilago
Tussilago
 coltsfoot 
T. farfara
coltsfoot
Verbesina
Verbesina
 crownbeard 
V. alternifolia
wingstem crownbeard
Vernonia
Vernonia
 ironweed 
V. gigantea
giant ironweed
V. noveboracensis
New York ironweed
Xanthium
Xanthium
 cocklebur 
X. strumarium
common cocklebur
Balsaminaceae

touch-me-not family

Impatiens
Impatiens
 jewelweed 
I. capensis
spotted jewelweed
I. pallida
pale jewelweed
Berberidaceae

barberry family

Caulophyllum
Caulophyllum
 blue cohosh 
C. giganteum
early blue cohosh
C. thalictroides
blue cohosh
Jeffersonia
Jeffersonia
 twinleaf 
J. diphylla
twinleaf
Podophyllum
Podophyllum
 mayapple 
P. peltatum
mayapple
Boraginaceae

forget-me-not family

Borago
Borago
 borage 
B. officinalis
starflower
Echium
Echium
 blueweed 
E. vulgare
viper's bugloss
Hackelia
Hackelia
 stickseed 
H. virginiana
stickseed
Hydrophyllum
Hydrophyllum
 waterleaf 
H. canadense
Canadian waterleaf
H. virginianum
Virginia waterleaf
Lithospermum
Lithospermum
 gromwell 
L. arvense
field gromwell
Mertensia
Mertensia
 bluebell 
M. virginica
Virginia bluebells
Myosotis
Myosotis
 forget-me-not 
M. laxa
smaller forget-me-not
M. scorpioides
true forget-me-not
M. sylvatica
wood forget-me-not
Phacelia
Phacelia
 scorpionweed 
P. purshii
Miami mist
Pulmonaria
Pulmonaria
 lungwort 
P. saccharata
Bethlehem lungwort
Symphytum
Symphytum
 comfrey 
S. officinale
common comfrey
Brassicaceae

mustard family

Alliaria
Alliaria
 garlic mustard 
A. petiolata
garlic mustard
Arabidopsis
Arabidopsis
 rockcress 
A. lyrata
lyreleaf rockcress
Barbarea
Barbarea
 yellow rocket 
B. vulgaris
wintercress
Boechera
Boechera
 rockcress 
B. laevigata
smooth rockcress
Brassica
Brassica
 mustard 
B. nigra
black mustard
Capsella
Capsella
 sheperd's purse 
C. bursa-pastoris
shepherd's purse
Cardamine
Cardamine
 toothwort 
C. angustata
slender toothwort
C. bulbosa
bulbous bittercress
C. concatenata
cutleaf toothwort
C. diphylla
crinkleroot
C. douglassii
pink bitter-cress
C. hirsuta
hairy bittercress
C. impatiens
narrowleaf bittercress
C. maxima
large toothwort
C. pensylvanica
Pennsylvania bittercress
C. pratensis
pink cuckoo bittercress
Draba
Draba
 whitlowgrass 
D. verna
common whitlowgrass
Erysimum
Erysimum
 wallflower 
E. cheiranthoides
wormseed wallflower
Hesperis
Hesperis
 dame's rocket 
H. matronalis
dame's rocket
Lepidium
Lepidium
 pepperweed 
L. campestre
fieldcress
L. virginicum
poorman's pepperweed
Lunaria
Lunaria
 moonplant  
L. annua
moneyplant
Nasturtium
Nasturtium
 watercress 
N. officinale
watercress
Rorippa
Rorippa
 yellowcress 
R. palustris
bog yellowcress
R. sylvestris
creeping yellowcress
Sisymbrium
Sisymbrium
 rocket 
S. altissimum
tall tumble-mustard
Thlaspi
Thlaspi
 pennycress 
T. arvense
field pennycress
T. perfoliatum
perfoliate pennycress
Campanulaceae

bellflower family

Campanula
Campanula
 bellflower 
C. aparinoides
marsh bellflower
C. rotundifolia
harebell
Campanulastrum
Campanulastrum
 bellflower 
C. americanum
American bellflower
Lobelia
Lobelia
 lobelia 
L. cardinalis
cardinal flower
L. inflata
Indian tobacco
L. kalmii
brook lobelia
L. siphilitica
great blue lobelia
L. spicata
pale-spiked lobelia
Platycodon
Platycodon
 baloon flower 
P. grandiflorus
baloon flower
Triodanis
Triodanis
 Venus'-looking-glass 
T. perfoliata
Venus'-looking-glass
Caprifoliaceae

honeysuckle family

Dipsacus
Dipsacus
 teasel 
D. fullonum
wild teasel
Valeriana
Valeriana
 valerian 
V. officinalis
common valerian
V. pauciflora
largeflower valerian
Caryophyllaceae

pink family

Cerastium
Cerastium
 chickweed 
C. fontanum
common mouse-ear chickweed
Dianthus
Dianthus
 carnation 
D. armeria
Deptford pink
D. barbatus
sweet William
Moehringia
Moehringia
 sandwort 
M. lateriflora
grove sandwort
Myosoton
Myosoton
 giant chickweed 
M. aquaticum
giant chickweed
Saponaria
Saponaria
 soapwort 
S. officinalis
bouncing-bet
Silene
Silene
 campion 
S. caroliniana
wild pink
S. flos-cuculi
ragged robin
S. latifolia
white campion
S. virginica
firepink
S. vulgaris
bladder campion
Stellaria
Stellaria
 chickweed 
S. graminea
lesser starwort
S. media
common chickweed
S. pubera
star chickweed
Colchicaceae

colchicum family

Uvularia
Uvularia
 bellwort 
U. grandiflora
large-flowered bellwort
U. perfoliata
perfoliate bellwort
U. sessilifolia
sessile bellwort
Commelinaceae

spiderwort family

Commelina
Commelina
 dayflower 
C. communis
dayflower
Tradescantia
Tradescantia
 spiderwort 
T. ohiensis
Ohio spiderwort
T. virginiana
Virginia spiderwort
Convolvulaceae

morning-glory family

Calystegia
Calystegia
 false bindweed 
C. sepium
hedge false bindweed
Convolvulus
Convolvulus
 bindweed 
C. arvensis
field bindweed
Cuscuta
Cuscuta
 dodder 
C. gronovii
common dodder
C. pentagona
field dodder
Ipomoea
Ipomoea
 morning-glory 
I. hederacea
ivyleaf morning-glory
I. pandurata
big-root morning-glory
Crassulaceae

orpine family

Sedum
Sedum
 stonecrop 
S. sarmentosum
running stonecrop
S. ternatum
woodland stonecrop
Cucurbitaceae

gourd or pumpkin family

Echinocystis
Echinocystis
 wild cucumber 
E. lobata
wild cucumber
Sicyos
Sicyos
 bur-cucumber 
S. angulatus
one-seed bur-cucumber
Droseraceae

sundew family

Drosera
Drosera
 sundew 
D. filiformis
threadleaf sundew
D. intermedia
spatulateleaf sundew
D. rotundifolia
roundleaf sundew
Ericaceae

heath family

Chimaphila
Chimaphila
 prince's-pine 
C. maculata
spotted wintergreen
Hypopitys
Hypopitys
 pinesap 
H. lanuginosa
hairy pinesap
H. monotropa
pinesap
Monotropa
Monotropa
 Indian pipe 
M. uniflora
Indian pipe
Pyrola
Pyrola
 shinleaf 
P. americana
American wintergreen
P. chlorantha
green-flowered shinleaf
P. elliptica
elliptic shinleaf
Vaccinium
Vaccinium
 heath shrub 
V. oxycoccos
small cranberry
Euphorbiaceae

spurge family

Acalypha
Acalypha
 copperleaf 
A. rhomboidea
three-seeded mercury
Euphorbia
Euphorbia
 spurge 
E. corollata
flowering spurge
E. cyparissias
cypress spurge
E. maculata
spotted sandmat
E. nutans
eyebane sandmat
E. vermiculata
hairy spurge
Fabaceae

legume family

Amphicarpaea
Amphicarpaea
 hog peanut 
A. bracteata
hog peanut
Apios
Apios
 groundnut 
A. americana
common groundnut
Baptisia
Baptisia
 wild indigo 
B. australis
blue wild indigo
B. tinctoria
wild indigo
Chamaecrista
Chamaecrista
 sensitive-pea 
C. fasciculata
partridge sensitive-pea
Desmodium
Desmodium
 ticktrefoil 
D. canadense
showy ticktrefoil
D. paniculatum
panicled ticktrefoil
D. perplexum
perplexed ticktrefoil
D. rotundifolium
prostrate ticktrefoil
Hylodesmum
Hylodesmum
 ticktrefoil 
H. glutinosum
sticky ticktrefoil
H. nudiflorum
naked-flowered ticktrefoil
Lathyrus
Lathyrus
 vetchling 
L. latifolius
everlasting pea
Lespedeza
Lespedeza
 bush-clover 
L. cuniata
Chinese bush-clover
Lotus
Lotus
 birdsfoot trefoil 
L. corniculatus
birdsfoot trefoil
Lupinus
Lupinus
 lupine 
L. perennis
blue lupine
Medicago
Medicago
 medick 
M. lupulina
black medick
M. sativa
alfaalfa
Melilotus
Melilotus
 sweetclover 
M. albus
white sweetclover
M. officinalis
yellow sweetclover
Securigera
Securigera
 crownvetch 
S. varia
crownvetch
Senna
Senna
 senna 
S. hebecarpa
wild senna
Trifolium
Trifolium
 clover 
T. arvense
rabbitfoot clover
T. aureum
large hop clover
T. campestre
low hop clover
T. dubium
lesser hop clover
T. hybridum
alsike clover
T. incarnatum
crimson clover
T. pratense
red clover
T. repens
white clover
Vicia
Vicia
 vetch 
V. caroliniana
wood vetch
V. cracca
tufted vetch
V. sativa
garden vetch
V. tetrasperma
four-seeded vetch
V. villosa
hairy vetch
Gentianaceae

gentian family

Bartonia
Bartonia
 screwstem 
B. paniculata
twining screwstem
B. virginica
yellow screwstem
Centaurium
Centaurium
 centaury 
C. pulchellum
lesser centaury
Frasera
Frasera
 green gentian 
F. caroliniensis
American columbo
Gentiana
Gentiana
 gentian 
G. andrewsii
closed bottle gentian
G. clausa
meadow closed gentian
G. linearis
narrow-leaved gentian
G. saponaria
soapwort gentian
Gentianopsis
Gentianopsis
 fringed gentian 
G. crinita
greater fringed gentian
Obolaria
Obolaria
 Virginia pennywort 
O. virginica
Virginia pennywort
Sabatia
Sabatia
 rose gentian 
S. angularis
rose pink
Geraniaceae

geranium family

Erodium
Erodium
 stork's-bill 
E. cicutarium
redstem stork's-bill
Geranium
Geranium
 cranesbill 
G. carolinianum
Carolina cranesbill
G. columbinum
long-stalked cranesbill
G. maculatum
wood geranium
G. robertianum
herb-robert
G. sanguineum
bloody cranesbill
G. sibericum
Siberian cranesbill
Haloragaceae

water-milfoil family

Myriophyllum
Myriophyllum
 water-milfoil 
M. spicatum
Eurasian water-milfoil
Hyacinthaceae

hyacinth family

Hyacinthoides
Hyacinthoides
 bluebell 
H. x variabilis
bluebell
Hyacinthus
Hyacinthus
 hyacinth 
H. orientalis
common hyacinth
Muscari
Muscari
 grape-hyacinth 
M. neglectum
starch grape-hyacinth
Ornithogalum
Ornithogalum
 star-of-Bethlehem 
O. umbellatum
garden star-of-Bethlehem
Scilla
Scilla
 squill 
S. siberica
Siberian squill
Hypericaceae

st. john’s-wort family

Hypericum
Hypericum
 St. John's-wort 
H. boreale
northern St. John's-wort
H. canadense
Canadian St. John's-wort
H. ellipticum
pale St. John's-wort
H. gentianoides
orange-grass
H. mutilum
dwarf St. John's-wort
H. perforatum
perforate St. John's-wort
H. punctatum
spotted St. John's-wort
Triadenum
Triadenum
 marsh St. John's-wort 
T. fraseri
Fraser's marsh St. John's-wort
T. virginicum
Virginia marsh St. John's-wort
Iridaceae

iris family

Crocus
Crocus
 crocus 
C. biflorus
silvery crocus
C. sativus
autumn crocus
Iris
Iris
 iris 
I. cristata
dwarf crested iris
I. pseudacorus
waterflag
I. versicolor
northern blueflag
I. x germanica
bearded iris
Sisyrinchium
Sisyrinchium
 blue-eyed-grass 
S. angustifolium
narrow-leaved blue-eyed-grass
S. montanum
common blue-eyed-grass
S. mucronatum
needle-tipped blue-eyed-grass
Lamiaceae

mint family

Agastache
Agastache
 giant-hyssop 
A. foeniculum
lavender giant-hyssop
Ajuga
Ajuga
 bugle 
A. reptans
bugleherb
Clinopodium
Clinopodium
 wild basil 
C. vulgare
wild basil
Collinsonia
Collinsonia
 horsebalm 
C. canadensis
richweed
Glechoma
Glechoma
 gill-over-the-ground 
G. hederacea
ground ivy
Hedeoma
Hedeoma
 false pennyroyal 
H. pulegioides
American false pennyroyal
Lamium
Lamium
 henbit 
L. amplexicaule
common henbit
L. maculatum
spotted deadnettle
L. purpureum
purple deadnettle
Leonurus
Leonurus
 motherwort 
L. cardiaca
motherwort
Lycopus
Lycopus
 water horehound 
L. americanus
American horehound
L. amplectens
clasping water horehound
L. uniflorus
bugleweed
L. virginicus
Virginia water horehound
Mentha
Mentha
 mint 
M. aquatica
water mint
M. arvensis
field mint
M. spicata
spearmint
M. x piperita
peppermint
M. x villosa
wooly mint
Monarda
Monarda
 beebalm 
M. clinopodia
basil beebalm
M. didyma
scarlet beebalm
M. fistulosa
wild bergamot
M. punctata
spotted beebalm
Nepeta
Nepeta
 catnip 
N. cataria
catnip
Perilla
Perilla
 perilla-mint 
P. frutescens
Korean perilla
Physostegia
Physostegia
 false dragonhead 
P. virginiana
obedient plant
Prunella
Prunella
 selfheal 
P. vulgaris
common selfheal
Pycnanthemum
Pycnanthemum
 mountainmint 
P. incanum
hoary mountainmint
P. muticum
short-toothed mountainmint
P. virginianum
Virginia mountainmint
Scutellaria
Scutellaria
 skullcap 
S. galericulata
marsh skullcap
S. incana
downy skullcap
S. lateriflora
blue skullcap
Teucrium
Teucrium
 germander 
T. canadense
wild germander
Trichostema
Trichostema
 bluecurls 
T. dichotomum
forked bluecurls
Lentibulariaceae

bladderwort family

Utricularia
Utricularia
 bladderwort 
U. inflata
swollen bladderwort
U. macrorhiza
common bladderwort
U. purpurea
purple bladderwort
U. radiata
floating bladderwort
Liliaceae

lily family

Clintonia
Clintonia
 bluebead lily 
C. borealis
yellow bluebead lily
C. umbellulata
speckled woodlily
Erythronium
Erythronium
 trout-lily 
E. albidum
white trout-lily
E. americanum
yellow trout-lily
Hemerocallis
Hemerocallis
 daylily 
H. fulva
orange daylily
Lilium
Lilium
 true lily 
L. canadense
Canada lily
L. superbum
turk's-cap lily
Medeola
Medeola
 Indian cucumber root 
M. virginiana
Indian cucumber-root
Streptopus
Streptopus
 twistedstalk 
S. amplexifolius
clasping-leaved twistedstalk
S. lanceolatus
lance-leaved twistedstalk
Linderniaceae

false pimpernel family

Lindernia
Lindernia
 false pimpernel 
L. dubia
yellowseed false pimpernel
Lythraceae

loosestrife family

Decodon
Decodon
 waterwillow 
D. verticillatus
swamp loosestrife
Lythrum
Lythrum
 loosestrife 
L. salicaria
purple loosestrife
Malvaceae

mallow family

Abutilon
Abutilon
 Indian mallow 
A. theophrasti
velvetleaf
Althaea
Althaea
 marsh-mallow 
A. officinalis
common marsh-mallow
Hibiscus
Hibiscus
 hibiscus 
H. moscheutos
swamp rosemallow
H. trionum
Venice rosemallow
Malva
Malva
 mallow 
M. neglecta
common mallow
Melanthiaceae

bunchflower family

Amianthium
Amianthium
 fly poison 
A. muscitoxicum
fly poison
Chamaelirium
Chamaelirium
 devil's bit 
C. luteum
devil's bit
Stenanthium
Stenanthium
 featherbell 
S. gramineum
eastern featherbell
Trillium
Trillium
 wakerobin 
T. erectum
purple trillium
T. flexipes
drooping trillium
T. grandiflorum
white trillium
T. nivale
snow trillium
T. sessile
toadstool trillium
T. undulatum
painted trillium
Veratrum
Veratrum
 false hellebore 
V. virginicum
Virginia bunchflower
V. viride
false hellebore
Montiaceae

claytonia family

Claytonia
Claytonia
 springbeauty 
C. caroliniana
Carolina springbeauty
C. virginica
springbeauty
Nymphaeaceae

waterlily family

Nuphar
Nuphar
 spatterdock 
N. advena
spatterdock
N. variegata
bullhead pondlily
Nymphaea
Nymphaea
 waterlily 
N. odorata
fragrant waterlily
Onagraceae

evening primrose family

Circaea
Circaea
 enchanter's-nightshade 
C. alpina
small enchanter's-nightshade
C. canadensis
enchanter's-nightshade
Epilobium
Epilobium
 willowherb 
E. ciliatum
fringed willowherb
E. coloratum
eastern willowherb
E. hirsutum
hairy willowherb
E. leptophyllum
bog willowherb
Ludwigia
Ludwigia
 water-primrose 
L. palustris
marsh seedbox
Oenothera
Oenothera
 evening primrose 
O. biennis
common evening primrose
O. fruticosa
common sundrops
O. gaura
biennial bee-blossom
O. perennis
small sundrops
Orchidaceae

orchid family

Corallorhiza
Corallorhiza
 coralroot 
C. maculata
spotted coralroot
C. trifida
early coralroot
Cypripedium
Cypripedium
 slipper orchid 
C. acaule
pink lady's slipper
C. parviflorum
yellow lady's slipper
C. reginae
showy lady's slipper
Epipactis
Epipactis
 helleborine 
E. helleborine
bastard hellebore
Galearis
Galearis
 orchis 
G. spectabilis
showy orchis
Goodyera
Goodyera
 rattlesnake-plantain 
G. pubescens
downy rattlesnake-plantain
G. tesselata
checkered rattlesnake-plantain
Isotria
Isotria
 whorled pogonia 
I. verticillata
large whorled pogonia
Liparis
Liparis
 wide-lipped orchid 
L. liliifolia
lily-leaved twayblade orchid
L. loeselii
Loesel's twayblade
Malaxis
Malaxis
 adder's-mouth 
M. unifolia
green adder's-mouth
Platanthera
Platanthera
 fringed orchid 
P. blephariglottis
white fringed orchid
P. ciliaris
yellow fringed orchid
P. clavellata
club spur orchid
P. dilatata
white bog orchid
P. flava
pale green orchid
P. grandiflora
greater purple fringed orchid
P. huronensis
tall northern bog orchid
P. lacera
green fringed orchid
P. orbiculata
padleaf orchid
P. peramoena
purple fringeless orchid
P. psycodes
lesser purple fringed orchid
Pogonia
Pogonia
 bog orchid 
P. ophioglossoides
rose pogonia
Spiranthes
Spiranthes
 ladies'-tresses 
S. arcisepala
Appalachian ladies’-tresses
S. casei
case's ladies’-tresses
S. cernua
nodding ladies'-tresses
S. incurva
sphinx ladies’-tresses
S. lacera
slender ladies’-tresses
S. lucida
shining ladies’-tresses
S. ochroleuca
yellow ladies’-tresses
S. ovalis
lesser ladies’-tresses
S. romanzoffiana
hooded ladies’-tresses
S. sheviakii
old field ladies'-tresses
S. tuberosa
small ladies’-tresses
S. vernalis
spring ladies’-tresses
Orobanchaceae

broomrape family

Agalinis
Agalinis
 agalinis 
A. paupercula
small-flower false foxglove
A. tenuifolia
slender false foxglove
Conopholis
Conopholis
 cancer-root 
C. americana
American cancer-root
Epifagus
Epifagus
 beechdrops 
E. virginiana
beechdrops
Melampyrum
Melampyrum
 cow-wheat 
M. lineare
American cow-wheat
Orobanche
Orobanche
 broomrape 
O. uniflora
cancerroot
Pedicularis
Pedicularis
 lousewort 
P. canadensis
Canadian lousewort
Oxalidaceae

woodsorrel family

Oxalis
Oxalis
 woodsorrel 
O. corniculata
creeping yellow woodsorrel
O. dillenii
slender yellow woodsorrel
O. montana
northern woodsorrel
O. stricta
common yellow woodsorrel
O. violacea
violet woodsorrel
Papaveraceae

poppy family

Adlumia
Adlumia
 Allegheny vine 
A. fungosa
Allegheny vine
Chelidonium
Chelidonium
 celandine 
C. majus
greater celandine
Corydalis
Corydalis
 corydalis 
C. flavula
yellow fumewort
C. sempervirens
pink corydalis
Dicentra
Dicentra
 bleedingheart 
D. canadensis
squirrelcorn
D. cucullaria
Dutchman's breeches
D. eximia
wild bleedingheart
D. spectabilis
common bleedingheart
Sanguinaria
Sanguinaria
 bloodroot 
S. canadensis
bloodroot
Stylophorum
Stylophorum
 celandine-poppy 
S. diphyllum
wood poppy
Phrymaceae

lopseed family

Mimulus
Mimulus
 monkeyflower 
M. alatus
winged monekyflower
M. ringens
Allegheny monkeyflower
Phryma
Phryma
 lopseed 
P. leptostachya
American lopseed
Plantaginaceae

plantain family

Callitriche
Callitriche
 water-starwort 
C. palustris
vernal water-starwort
C. stagnalis
pond water-starwort
Chelone
Chelone
 turtlehead 
C. glabra
turtlehead
Collinsia
Collinsia
 blue-eyed Mary 
C. verna
blue-eyed Mary
Digitalis
Digitalis
 foxglove 
D. purpurea
lady's glove
Gratiola
Gratiola
 hedge-hyssop 
G. aurea
goldenpert
G. neglecta
clammy hedge-hyssop
Linaria
Linaria
 toadflax 
L. vulgaris
butter-and-eggs
Penstemon
Penstemon
 beardtongue 
P. digitalis
tall white beardtongue
Plantago
Plantago
 plantain 
P. lanceolata
English plantain
P. major
broadleaf plantain
P. rugelii
Rugel's plantain
Veronica
Veronica
 speedwell 
V. americana
American speedwell
V. anagallis-aquatica
blue water speedwell
V. arvensis
common speedwell
V. chamaedrys
germander speedwell
V. filiformis
creeping speedwell
V. hederifolia
ivyleaf speedwell
V. officinalis
heath speedwell
V. persica
bird's-eye speedwell
V. polita
gray field speedwell
V. scutellata
marsh speedwell
V. serpyllifolia
thyme-leaved speedwell
Polemoniaceae

phlox family

Phlox
Phlox
 phlox 
P. divaricata
wild blue phlox
P. paniculata
fall phlox
P. subulata
moss phlox
Polemonium
Polemonium
 Jacob's-ladder 
P. reptans
spreading Jacob's-ladder
P. vanbruntiae
bog Jacob's-ladder
Polygalaceae

milkwort family

Polygala
Polygala
 milkwort 
P. cruciata
crossleaf milkwort
P. paucifolia
fringed milkwort
P. sanguinea
field milkwort
P. verticillata
whorled milkwort
Polygonaceae

buckwheat family

Fagopyrum
Fagopyrum
 buckwheat 
F. esculentum
common buckwheat
Fallopia
Fallopia
 bindweed 
F. cilinodis
fringed bindweed
F. convolvulus
black bindweed
F. japonica
Japanese knotweed
F. scandens
climbing false-buckwheat
Persicaria
Persicaria
 smartweed 
P. coccinea
scarlet smartweed
P. hydropiper
water-pepper smartweed
P. hydropiperoides
mild water-pepper
P. lapathifolia
dock-leaf smartweed
P. longiseta
bristly lady's-thumb
P. maculosa
lady's-thumb
P. pensylvanica
Pennsylvania smartweed
P. perfoliata
Asiatic smartweed
P. punctata
dotted smartweed
P. sagittata
arrow-leaved tearthumb
P. virginiana
jumpseed
Polygonum
Polygonum
 knotweed 
P. aviculare
dooryard knotweed
Rumex
Rumex
 dock 
R. acetosella
sheep dock
R. crispus
curly dock
R. obtusifolius
bitter dock
R. triangulivalvis
white dock
Pontederiaceae

water hyacinth family

Heteranthera
Heteranthera
 mud plantain 
H. dubia
water stargrass
Pontederia
Pontederia
 pickerelweed 
P. cordata
pickerelweed
Potamogetonaceae

pondweed family

Potamogeton
Potamogeton
 pondweed 
P. crispus
curly pondweed
P. epihydrus
ribbonleaf pondweed
P. natans
floating pondweed
Primulaceae

primrose family

Lysimachia
Lysimachia
 loosestrife 
L. arvensis
scarlet pimpernel
L. borealis
American starflower
L. ciliata
fringed loosestrife
L. clethroides
gooseneck loosestrife
L. hybrida
lowland yellow loosestrife
L. nummularia
creeping-Charlie
L. punctata
spotted loosestrife
L. quadrifolia
whorled loosestrife
L. terrestris
swamp candles
L. vulgaris
garden loosestrife
Primula
Primula
 primrose 
P. japonica
Japanese primrose
Ranunculaceae

buttercup family

Aconitum
Aconitum
 monskhood 
A. uncinatum
wild monkshood
Actaea
Actaea
 baneberry 
A. pachypoda
white baneberry
A. racemosa
black cohosh
Anemone
Anemone
 windflower 
A. blanda
Greek windflower
A. canadensis
Canadian anemone
A. quinquefolia
wood anemone
A. virginiana
thimbleweed
Aquilegia
Aquilegia
 columbine 
A. canadensis
eastern red columbine
A. vulgaris
European columbine
Caltha
Caltha
 marsh marigold 
C. palustris
marsh marigold
Clematis
Clematis
 virginsbower 
C. virginiana
virginsbower
Coptis
Coptis
 goldthread 
C. trifolia
threeleaf goldthread
Delphinium
Delphinium
 larkspur 
D. tricorne
dwarf larkspur
Ficaria
Ficaria
 celandine 
F. verna
lesser celandine
Hepatica
Hepatica
 hepatica 
H. acutiloba
sharp-lobed hepatica
H. americana
roundleaf hepatica
Hydrastis
Hydrastis
 goldenseal 
H. canadensis
goldenseal
Ranunculus
Ranunculus
 buttercup 
R. abortivus
small-flowered crowfoot
R. acris
tall buttercup
R. bulbosus
bulbous crowfoot
R. caricetorum
swamp buttercup
R. hispidus
hispid crowfoot
R. recurvatus
hooked crowfoot
R. repens
creeping buttercup
R. septentrionalis
swamp buttercup
Thalictrum
Thalictrum
 meadowrue 
T. dioicum
early meadowrue
T. pubescens
tall meadowrue
T. thalictroides
rue anemone
Trautvetteria
Trautvetteria
 bugbane 
T. caroliniensis
Carolina bugbane
Trollius
Trollius
 globeflower 
T. laxus
spreading globeflower
Rosaceae

rose family

Agrimonia
Agrimonia
 agrimony 
A. gryposepala
common agrimony
A. parviflora
southern agrimony
Eranthis
Eranthis
 winter aconite 
E. hyemalis
winter aconite
Fragaria
Fragaria
 strawberry 
F. vesca
wood strawberry
F. virginiana
common strawberry
Geum
Geum
 avens 
G. aleppicum
yellow avens
G. canadense
white avens
G. laciniatum
floodplain avens
G. rivale
water avens
Gillenia
Gillenia
 bowman's-root 
G. trifoliata
bowman's-root
Potentilla
Potentilla
 cinquefoil 
P. canadensis
dwarf cinquefoil
P. indica
false strawberry
P. norvegica
strawberryweed
P. recta
sulfur cinquefoil
P. simplex
common cinquefoil
Rubus
Rubus
 blackberry 
R. dalibarda
dewdrop
R. pubescens
dwarf raspberry
Sanguisorba
Sanguisorba
 burnet 
S. canadensis
Canadian burnet
Waldsteinia
Waldsteinia
 barren strawberry 
W. fragarioides
barren strawberry
Rubiaceae

coffee family

Diodia
Diodia
 buttonweed 
D. teres
rough buttonweed
Galium
Galium
 bedstraw 
G. aparine
scratch bedstraw
G. asprellum
rough bedstraw
G. circaezans
licorice bedstraw
G. lanceolatum
wild licorice
G. mollugo
whorled bedstraw
G. obtusum
bluntleaf bedstraw
G. odoratum
sweet woodruff
G. palustre
marsh bedstraw
G. tinctorium
stiff marsh bedstraw
G. triflorum
sweet-scent bedstraw
Houstonia
Houstonia
 bluet 
H. purpurea
large bluet
Mitchella
Mitchella
 partridge-berry 
M. repens
partridge-berry
Ruscaceae

butcher's broom family

Convallaria
Convallaria
 lily-of-the-valley 
C. majalis
European lily-of-the-valley
Maianthemum
Maianthemum
 false Solomon's seal 
M. canadense
Canada mayflower
M. racemosum
false Solomon's seal
Polygonatum
Polygonatum
 Solomon's seal 
P. biflorum
king Solomon's seal
P. pubescens
hairy Solomon's seal
Saxifragaceae

saxifrage family

Chrysosplenium
Chrysosplenium
 golden saxifrage 
C. americanum
American golden saxifrage
Heuchera
Heuchera
 alumroot 
H. americana
American Alumroot
Micranthes
Micranthes
 small-flowered saxifrage 
M. pensylvanica
swamp saxifrage
M. virginiensis
early saxifrage
Mitella
Mitella
 miterwort 
M. diphylla
twoleaf miterwort
Tiarella
Tiarella
 foamflower 
T. stolonifera
foamflower
Scrophulariaceae

figwort family

Aureolaria
Aureolaria
 false foxglove 
A. virginica
downy false foxglove
Scrophularia
Scrophularia
 figwort 
S. lanceolata
lanceleaf figwort
Verbascum
Verbascum
 mullein 
V. blattaria
moth mullein
V. thapsus
common mullein
Solanaceae

nightshade family

Datura
Datura
 jimsonweed 
D. stramonium
jimsonweed
Physalis
Physalis
 ground-cherry 
P. heterophylla
clammy ground-cherry
P. longifolia
longleaf ground-cherry
Solanum
Solanum
 nightshade 
S. carolinense
Carolina horse-nettle
S. dulcamara
trailing nightshade
S. ptychanthum
eastern black nightshade
Urticaceae

nettle family

Boehmeria
Boehmeria
 false nettle 
B. cylindrica
smallspike false nettle
Laportea
Laportea
 wood-nettle 
L. canadensis
Canadian wood-nettle
Parietaria
Parietaria
 pellitory 
P. pensylvanica
Pennsylvania pellitory
Pilea
Pilea
 clearweed 
P. pumila
clearweed
Urtica
Urtica
 nettle 
U. dioica
stinging nettle
U. gracilis
slender nettle
Verbenaceae

verbena family

Verbena
Verbena
 vervain 
V. bracteata
prostrate vervain
V. hastata
blue vervain
V. urticifolia
white vervain
Violaceae

violet family

Viola
Viola
 violet 
V. affinis
count's violet
V. arvensis
field pansy
V. blanda
sweet white violet
V. canadensis
Canada violet
V. cucullata
marsh blue violet
V. emarginata
triangle-leaved violet
V. eriocarpa
smooth yellow violet
V. fimbriatula
northern downy violet
V. hastata
halberd-leaf yellow violet
V. hirsutula
southern woodland violet
V. incognita
large-leaved white violet
V. labradorica
American dog violet
V. lanceolata
lanceleaf violet
V. pallens
small white violet
V. pedata
birdfoot violet
V. primulifolia
primroseleaf violet
V. pubescens
downy yellow violet
V. rostrata
long-spur violet
V. rotundifolia
roundleaf violet
V. sagittata
arrowleaf violet
V. selkirkii
greatspur violet
V. sororia
common blue violet
V. striata
striped violet