Families: 60
Genera: 213
Species: 382
Total Taxa: 395 (including subsp. and var.)
Lactuca serriola
prickly lettuce
Lamium amplexicaule
dead-nettle
Lathyrus japonicus
beach pea
Lechea intermedia var. intermedia
large-pod pinweed
Lespedeza capitata
round-headed lespedeza
Lespedeza virginica
Virginia lespedeza
Leucophysalis grandiflora
white-flowered ground-cherry
Liatris aspera
rough gayfeather
Liatris cylindracea
barellhead gayfeather
Liatris ligulistylis
showy blazing-star
Liatris pycnostachya
thick-spike gay-feather
Linaria dalmatica
Dalmatian toadflax
Linaria vulgaris
butter-and-eggs
Lindernia dubia
moist bank pimpernel
Lobelia cardinalis var. cardinalis
cardinal-flower
Lobelia dortmanna
water lobelia
Lobelia inflata
Indian-tobacco
Lobelia kalmii
Ontario lobelia
Lobelia siphilitica
great blue lobelia
Ludwigia palustris
water-purslane
Ludwigia polycarpa
top-pod water-primrose
Lycopus uniflorus
northern water-horehound
Lysimachia ciliata
fringed loosestrife
Lythrum alatum var. alatum
winged lythrum
Lythrum salicaria
spiked loosestrife
Malaxis unifolia
green adder's-mouth
Malva moschata
musk mallow
Malva neglecta
common mallow
Matricaria discoidea
disc mayweed
Medicago lupulina
black medick
Medicago sativa
alfalfa
Melilotus albus
white sweet-clover
Melilotus officinalis
yellow sweet-clover
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Mentha arvensis var. canadensis
wild mint
Mentha spicata
spearmint
Mimulus glabratus var. jamesii
round-leaved monkey-flower
Mimulus ringens var. ringens
monkey-flower
Mirabilis albida
white four-o'clock
Mirabilis nyctaginea
wild four-o'clock
Mollugo verticillata
Indian chickweed
Monarda fistulosa subsp. fistulosa
wild bergamot
Monarda punctata var. villicaulis
horsemint
Monotropa uniflora
Indian-pipe
Myosotis scorpioides
water scorpion-grass
Myosoton aquaticum
water chickweed
Nasturtium officinale
watercress
Nelumbo lutea
water-chinquapin
Nymphaea odorata
fragrant water-lily
Oenothera biennis
common evening-primrose
Oenothera glazioviana
red-sepal evening-primrose
Oenothera laciniata subsp. laciniata
ragged evening-primrose
Oenothera nuttallii
white evening-primrose
Oenothera parviflora
small-flowered evening-primrose
Oenothera perennis
small sundrops
Oenothera rhombipetala
long-spike evening-primrose
Oxalis stricta
tall wood-sorrel
Oxypolis rigidior
stiff cowbane
Panicum virgatum
switch grass
Parietaria pensylvanica
Pennsylvanian pellitory
Parnassia glauca
fen grass-of-Parnassus
Paronychia canadensis
smooth-forked nailwort
Paronychia fastigiata var. fastigiata
low forked chickweed
Parthenium integrifolium
wild quinine
Pedicularis lanceolata
swamp-lousewort
Penstemon gracilis
slender beard-tongue
Penstemon gracilis subsp. wisconsinensis
Wisconsin penstemon
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Pentaphylloides floribunda
shrubby five-fingers
Penthorum sedoides
ditch stonecrop
Persicaria amphibia
water smartweed
Persicaria maculosa
spotted lady's-thumb
Phyla lanceolata
lance-leaf fog-fruit
Physalis heterophylla var. heterophylla
clammy ground-cherry
Physalis longifolia
tall ground-cherry
Physalis longifolia var. subglabrata
tall ground-cherry
Physalis virginiana var. virginiana
Virginia ground-cherry
Pilea pumila
Canadian clearweed
Plantago aristata
large-bracted plantain
Plantago rugelii
Rugel's plantain
Platanthera obtusata
blunt-leaved orchid
Platanthera orbiculata
large round-leaved orchid
Platanthera psycodes
lesser purple fringed orchid
Polanisia dodecandra
rough-seed clammy-weed
Polygala sanguinea
purple milkwort
Polygala verticillata
whorled milkwort
Polygonella articulata
coastal jointweed
Polygonum aviculare
doorweed
Polymnia canadensis
white-flowered leaf-cup
Portulaca oleracea
pusley
Potentilla argentea
silvery five-fingers
Potentilla intermedia
downy cinquefoil
Prenanthes alba
white rattlesnakeroot
Prenanthes racemosa
purple rattlesnake-root
Prunella vulgaris
self-heal
Pycnanthemum virginianum
Virginia mountain mint
Ranunculus acris
tall buttercup
Ranunculus flammula var. reptans
spearwort buttercup
Raphanus raphanistrum
wild radish
Raphanus sativus
wild radish
Rhexia virginica
wing-stem meadow-pitchers