Authors:
P. E. Rothrock
Families:
112
Genera:
361
Species:
640 (species rank)
Total Taxa:
750 (including subsp. and var.)
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Abutilon theophrasti Medik. - Velvetleaf
Acalypha rhomboidea Raf. - Common Three-Seed-Mercury
Acalypha virginica L. - Virginia Three-Seed-Mercury
Acer negundo L. - Ash-Leaf Maple
Acer negundo var. negundo - Boxelder
Acer saccharinum L. - Silver Maple
Acer saccharum Marshall - Sugar Maple
Acer saccharum var. saccharum - Sugar Maple
Achillea millefolium L. - common yarrow
Acorus calamus L. - Single-Vein Sweetflag
Actaea pachypoda Elliott - White Baneberry
Adiantum pedatum L. - Northern Maidenhair
Agalinis tenuifolia (Vahl) Raf. - Slender-Leaf False Foxglove
Agalinis tenuifolia var. tenuifolia - Slender-Leaf False Foxglove
Agastache scrophulariifolia (Willd.) Kuntze - Purple Giant-Hyssop
Ageratina altissima (L.) R. M. King & H. Rob. - White Snakeroot
Ageratina altissima var. altissima - White Snakeroot
Agrimonia parviflora Aiton - Harvestlice
Agrostis elliottiana Schult. - Elliott's Bent
Agrostis gigantea Roth - Black Bent
Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. - Winter Bent
Agrostis perennans (Walter) Tuck. - Upland Bent
Alisma subcordatum Raf. - American Water-Plantain
Allium canadense L. - Meadow Garlic
Allium canadense var. canadense - Meadow Garlic
Alnus serrulata (Aiton) Willd. - Brookside Alder
Amaranthus hybridus L. - Smooth Amaranth
Amaranthus spinosus L. - Spiny Amaranth
Ambrosia bidentata Michx. - Lance-Leaf Ragweed
Ambrosia trifida L. - Great Ragweed
Amelanchier arborea (Michx. f.) Fernald - Intermediate Service-Berry
Amelanchier laevis Wiegand - Allegheny Service-Berry
Amphicarpaea bracteata (L.) Fernald - American Hog-Peanut
Andropogon gyrans Ashe - Elliott's Bluestem
Andropogon gyrans var. gyrans - Elliott's bluestem
Andropogon virginicus L. - Chalky Bluestem
Anemone virginiana L. - Tall Thimbleweed
Antennaria neglecta Greene - Field Pussytoes
Antennaria parlinii Fernald - Parlin's Pussytoes
Antennaria parlinii subsp. parlinii - Parlin's Pussytoes
Antennaria solitaria Rydb. - Single-Head Pussytoes
Anthemis cotula L. - Stinking Chamomile
Apios americana Medik. - Groundnut
Aplectrum hyemale (Muhl. ex Willd.) Nutt. - Adam-and-Eve
Apocynum cannabinum L. - Indian-Hemp
Aralia racemosa L. - American Spikenard
Arctium lappa L. - Greater Burrdock
Arctium minus (Hill) Bernh. - Lesser Burrdock
Arenaria serpyllifolia L. - Thyme-Leaf Sandwort
Arisaema dracontium (L.) Schott - Greendragon
Arisaema triphyllum (L.) Schott - Jack-in-the-Pulpit
Aristida dichotoma Michx. - Church-Mouse Three-Awn
Aristida dichotoma var. dichotoma - Church-Mouse Three-Awn
Aristida longespica Poir. - Red Three-Awn
Aristida longespica var. longespica - Slim-Spike Three-Awn
Aristida longispica Poir. - Red Three-Awn
Aristida oligantha Michx. - Prairie Three-Awn
Armoracia rusticana G. Gaertn., B. Mey. & Scherb. - Horse-Radish
Arnoglossum reniforme (Hook.) H. Rob. - Great Indian-Plantain
Artemisia annua L. - Annual Wormwood
Artemisia ludoviciana subsp. ludoviciana - White Sagebrush
Aruncus dioicus (Walter) Fernald - Bride's-Feathers
Aruncus dioicus var. dioicus - Bride's-Feathers
Aruncus dioicus var. pubescens (Rydb.) Fernald - Bride's-Feathers
Asarum canadense L. - Canadian Wild Ginger
Asclepias exaltata L. - Poke Milkweed
Asclepias incarnata L. - Swamp Milkweed
Asclepias incarnata subsp. incarnata - Swamp Milkweed
Asclepias quadrifolia Jacq. - Four-Leaf Milkweed
Asclepias tuberosa L. - Butterfly Milkweed
Asclepias tuberosa subsp. interior Woodson - Butterfly Milkweed
Asclepias verticillata L. - Whorled Milkweed
Athyrium filix-femina (L.) Roth - Lady Fern
Athyrium filix-femina var. angustum (Willd.) G. Lawson - Northern Lady Fern
Aureolaria flava (L.) Farw. - Smooth Yellow False Foxglove
Aureolaria flava var. flava - Smooth Yellow False Foxglove
Aureolaria flava var. macrantha Pennell - Smooth Yellow False Foxglove
Barbarea vulgaris W. T. Aiton - Garden Yellow-Rocket
Belamcanda chinensis (L.) Redouté - Blackberry-Lily
Betula nigra L. - River Birch
Bidens bipinnata L. - Spanish-Needles
Bidens cernua L. - Nodding Burr-Marigold
Bidens frondosa L. - Devil's-Pitchfork
Bidens polylepis S. F. Blake - Bearded Beggarticks
Blephilia ciliata (L.) Benth. - Downy Pagoda-Plant
Blephilia hirsuta (Pursh) Benth. - Hairy Pagoda-Plant
Blephilia hirsuta var. hirsuta - Hairy Pagoda-Plant
Boehmeria cylindrica (L.) Sw. - Small-Spike False Nettle
Borodinia laevigata (Muhl. ex Willd.) P. J. Alexander & Windham - Smooth False Rockcress
Botrypus virginianus (L.) Michx. - Rattlesnake Fern
Brachyelytrum erectum P. Beauv. - Bearded Shorthusk
Brasenia schreberi J. F. Gmel. - Watershield
Brassica rapa L. - Rape
Brassica rapa subsp. rapa - Field Mustard
Bromus japonicus Thunb. - Japanese Brome
Bromus pubescens Muhl. ex Willd. - Hairy Woodland Brome
Buglossoides arvensis (L.) I. M. Johnst. - Corn-Gromwell
Callitriche terrestris Raf. - Terrestrial Water-Starwort
Caltha palustris L. - Yellow Marsh-Marigold
Calystegia sepium (L.) R. Br. - Hedge False Bindweed
Calystegia sepium subsp. angulata Brummitt - Hedge False Bindweed
Calystegia silvatica (Kit.) Griseb. - Short-Stalk False Bindweed
Calystegia silvatica subsp. fraterniflora (Mack. & Bush) Brummitt - Short-Stalk False Bindweed
Campanulastrum americanum (L.) Small - American-Bellflower
Cardamine angustata O. E. Schulz - Slender Toothwort
Cardamine concatenata (Michx.) O. Schwarz - Cut-Leaf Toothwort
Cardamine douglassii Britton - Limestone Bittercress
Cardamine parviflora L. - Sand Bittercress
Carex albicans Willd. ex Spreng. - White-Tinge Sedge
Carex albicans var. albicans - White-Tinge Sedge
Carex blanda Dewey - Eastern Woodland Sedge
Carex cephalophora Muhl. ex Willd. - Oval-Headed Sedge
Carex communis L. H. Bailey - Fibrous-Root Sedge
Carex crinita Lam. - Fringed Sedge
Carex crinita var. crinita - Fringed Sedge
Carex cristatella Britton - Crested Sedge
Carex cumberlandensis Naczi, Kral & Bryson - Cumberland Sedge
Carex digitalis Willd. - Slender Woodland Sedge
Carex digitalis var. digitalis - Slender Woodland Sedge
Carex frankii Kunth - Frank's Sedge
Carex glaucodea Tuck. ex Olney - Blue Sedge
Carex gracilescens Steud. - Slender Loose-Flower Sedge
Carex hirsutella Mack. - Fuzzy-Wuzzy Sedge
Carex hirtifolia Mack. - Pubescent Sedge
Carex lurida Wahlenb. - Sallow Sedge
Carex picta Steud. - Boott's Sedge
Carex platyphylla J. Carey - Broad-Leaf Sedge
Carex prasina Wahlenb. - Drooping Sedge
Carex radiata (Wahlenb.) Small - Eastern Star Sedge
Carex rosea Schkuhr ex Willd. - Rosy Sedge
Carex shortiana Dewey - Short's Sedge
Carex squarrosa L. - Squarrose Sedge
Carex stipata Muhl. ex Willd. - Stalk-Grain Sedge
Carex stipata var. stipata - Stalk-Grain Sedge
Carex timida Naczi & B. A. Ford - Timid Sedge
Carex torta Boott - Twisted Sedge
Carex tribuloides Wahlenb. - Blunt Broom Sedge
Carex tribuloides var. tribuloides - Blunt Broom Sedge
Carex virescens Muhl. ex Willd. - Ribbed Sedge
Carex vulpinoidea Michx. - Common Fox Sedge
Carex willdenowii Schkuhr ex Willd. - Willdenow's Sedge
Carpinus caroliniana Walter - American Hornbeam
Carpinus caroliniana subsp. virginiana (Marshall) Furlow - American Hornbeam
Carya cordiformis (Wangenh.) K. Koch - Bitter-Nut Hickory
Carya laciniosa (Michx. f.) G. Don - Shell-Bark Hickory
Carya ovata (Mill.) K. Koch - Shag-Bark Hickory
Catalpa bignonioides Walter - Southern Catalpa
Caulophyllum thalictroides (L.) Michx. - Blue Cohosh
Ceanothus americanus L. - New Jersey-Tea
Celastrus scandens L. - American Bittersweet
Celtis occidentalis L. - Common Hackberry
Cephalanthus occidentalis L. - Common Buttonbush
Cerastium fontanum Baumg. - Common Mouse-Ear Chickweed
Cerastium fontanum subsp. vulgare (Hartm.) Greuter & Burdet - Common Mouse-Ear Chickweed
Cerastium nutans Raf. - Nodding Mouse-Ear Chickweed
Ceratophyllum demersum L. - Coon's-Tail
Cercis canadensis L. - Redbud
Chaenomeles speciosa Nakai - Common Flowering-Quince
Chaenorhinum minus (L.) Lange - Dwarf-Snapdragon
Chaerophyllum procumbens (L.) Crantz - Spreading Chervil
Chaerophyllum procumbens var. procumbens - Spreading Chervil
Chamaecrista fasciculata (Michx.) Greene - Sleepingplant
Chamaecrista fasciculata var. fasciculata - Showy Partridge-Pea
Chamaecrista nictitans (L.) Moench - Partridge-Pea
Chamaecrista nictitans var. nictitans - Sensitive Partridge-Pea
Chelone glabra L. - White Turtlehead
Chenopodium album L. - Lamb's-Quarters
Chenopodium berlandieri Moq. - Pit-Seed Goosefoot
Chenopodium berlandieri var. bushianum (Aellen) Cronquist - Pitseed Goosefoot
Cichorium intybus L. - Chicory
Cicuta maculata L. - Spotted Water-Hemlock
Circaea canadensis (L.) Hill - Broad-Leaf Enchanter's-Nightshade
Cirsium altissimum (L.) Spreng. - Tall Thistle
Cirsium arvense (L.) Scop. - Canadian Thistle
Cirsium discolor (Muhl. ex Willd.) Spreng. - Field Thistle
Cirsium vulgare (Savi) Ten. - Bull Thistle
Cladrastis kentukea (Dum. Cours.) Rudd - Kentucky Yellow-Wood
Claytonia virginica L. - Virginia Springbeauty
Clematis terniflora DC. - Sweet Autumn Virgin's-Bower
Clematis viorna L. - Vasevine
Clematis virginiana L. - Devil's-Darning-Needles
Collinsia verna Nutt. - Spring Blue-Eyed Mary
Collinsonia canadensis L. - Richweed
Commelina communis L. - Asiatic Dayflower
Conium maculatum L. - Poison-Hemlock
Conoclinium coelestinum (L.) DC. - Blue Mistflower
Conopholis americana (L.) Wallr. - American cancer-root
Conyza canadensis (L.) Cronquist - Canadian Horseweed
Corallorhiza maculata (Raf.) Raf. - Summer Coralroot
Corallorhiza wisteriana Conrad - Spring Coralroot
Coreopsis lanceolata L. - Lance-Leaf Tickseed
Coreopsis tripteris L. - Tall Tickseed
Cornus alternifolia L. f. - Alternate-Leaf Dogwood
Cornus drummondii C. A. Mey. - Rough-Leaf Dogwood
Cornus florida L. - Flowering Dogwood
Corylus americana Walter - American Hazelnut
Crataegus rubella Beadle - Rosy Hawthorn
Cryptotaenia canadensis (L.) DC. - Canadian Honewort
Cunila origanoides (L.) Britton - Common Dittany
Cuscuta gronovii var. gronovii - Scaldweed
Cynoglossum officinale L. - houndstongue
Cynoglossum virginianum L. - Wild Comfrey
Cynoglossum virginianum var. virginianum - Southern Wild Comfrey
Cyperus bipartitus Torr. - Shining Flat Sedge
Cyperus flavescens L. - Yellow Flat Sedge
Cyperus squarrosus L. - Awned Flat Sedge
Cyperus strigosus L. - Straw-Color Flat Sedge
Cypripedium parviflorum Salisb. - Yellow Lady's-Slipper
Cypripedium parviflorum var. pubescens (Willd.) O. W. Knight - Greater Yellow Lady's-Slipper
Cystopteris protrusa (Weath.) Blasdell - Lowland Bladder Fern
Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. - Poverty Wild Oat Grass
Datura stramonium L. - Jimsonweed
Daucus carota L. - Queen Anne's-Lace
Delphinium tricorne Michx. - Dwarf Larkspur
Deparia acrostichoides (Sw.) M. Kato - Silvery-Spleenwort
Desmodium canadense (L.) DC. - Showy Tick-Trefoil
Desmodium ciliare (Muhl. ex Willd.) DC. - Hairy Small-Leaf Tick-Trefoil
Desmodium cuspidatum (Muhl. ex Willd.) Loudon - Large-Bract Tick-Trefoil
Desmodium cuspidatum var. cuspidatum - Large-Bract Tick-Trefoil
Desmodium glabellum (Michx.) DC. - Dillenius' Tick-Trefoil
Desmodium marilandicum (L.) DC. - Small-Leaf Tick-Trefoil
Desmodium paniculatum (L.) DC. - Panicled-Leaf Tick-Trefoil
Desmodium paniculatum var. paniculatum - Panicled-Leaf Tick-Trefoil
Desmodium rotundifolium DC. - Prostrate Tick-Trefoil
Dianthus armeria L. - Deptford Pink
Dianthus armeria subsp. armeria - Deptford Pink
Diarrhena americana P. Beauv. - American Beakgrain
Dichanthelium sp. (Hitchc. & Chase) Gould - Witch Grass
Dichanthelium acuminatum (Sw.) Gould & C. A. Clark - Tapered Witch Grass
Dichanthelium acuminatum subsp. fasciculatum (Torr.) Freckmann & Lelong - Western Witch Grass
Dichanthelium boscii (Poir.) Gould & C. A. Clark - Bosc's Witch Grass
Dichanthelium clandestinum (L.) Gould - Deer-Tongue Witch Grass
Dichanthelium commutatum (Schult.) Gould - Variable Witch Grass
Dichanthelium commutatum subsp. ashei (T.G. Pearson ex Ashe) Freckmann & Lelong - Ashe's Witch Grass
Dichanthelium commutatum subsp. commutatum - Variable Witch Grass
Dichanthelium dichotomum (L.) Gould - Cypress Witch Grass
Dichanthelium dichotomum subsp. dichotomum - Cypress Witch Grass
Dichanthelium latifolium (L.) Harvill - Broad-Leaf Witch Grass
Dichanthelium linearifolium (Scribn. ex Nash) Gould - Slim-Leaf Witch Grass
Dichanthelium polyanthes (Schult.) Mohlenbr. - Many-Flowered Witch Grass
Dichanthelium sphaerocarpon (Elliott) Gould - Round-Seed Witch Grass
Dichanthelium × bicknellii (Nash) LeBlond - Bicknell's Witch Grass
Digitaria ischaemum (Schreb.) Schreb. ex Muhl. - Smooth Crab Grass
Digitaria sanguinalis (L.) Scop. - Hairy Crab Grass
Diodia virginiana L. - Virginia Buttonweed
Dioscorea polystachya Turcz. - Chinese Yam
Dioscorea villosa L. - Wild Yam
Diospyros virginiana L. - Common Persimmon
Diphasiastrum digitatum (Dill. ex A. Braun) Holub - Fan Creeping-Cedar
Dipsacus fullonum L. - Fuller's teasel
Draba verna L. - Spring Whitlow-Grass
Dryopteris carthusiana (Vill.) H. P. Fuchs - Spinulose Wood Fern
Dryopteris marginalis (L.) A. Gray - Marginal Wood Fern
Duchesnea indica (Andrews) Teschem. - Indian-Strawberry
Echinochloa muricata (P. Beauv.) Fernald - Rough Barnyard Grass
Echinochloa muricata var. muricata - Rough Barnyard Grass
Eclipta prostrata (L.) L. - False Daisy
Elaeagnus umbellata Thunb. - Autumn-Olive
Eleocharis engelmannii Steud. - Engelmann's Spike-Rush
Eleocharis obtusa (Willd.) Schult. - Blunt Spike-Rush
Eleocharis palustris (L.) Roem. & Schult. - Soft-Stem Spike-Rush
Elephantopus carolinianus Raeusch. - Carolina Elephant's-Foot
Elodea canadensis Michx. - Canadian Waterweed
Elymus hystrix L. - Eastern Bottle-Brush Grass
Elymus riparius Wiegand - River-Bank Wild Rye
Elymus villosus Muhl. ex Willd. - Hairy Wild Rye
Elymus virginicus L. - Virginia Wild Rye
Elymus virginicus var. virginicus - Virginia Wild Rye
Endodeca serpentaria (L.) Raf. - Virginia-Snakeroot
Epifagus virginiana (L.) W. P. C. Barton - Beechdrops
Epilobium coloratum Biehler - Purple-Leaf Willowherb
Equisetum arvense subsp. arvense - Field Horsetail
Eragrostis capillaris (L.) Nees - Lace Grass
Eragrostis frankii C. A. Mey. ex Steud. - Sandbar Love Grass
Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. - Teal Love Grass
Eragrostis pectinacea (Michx.) Nees ex Steud. - Purple Love Grass
Eragrostis pectinacea var. pectinacea - Tufted Love Grass
Erigenia bulbosa (Michx.) Nutt. - Harbinger-of-Spring
Erigeron annuus (L.) Pers. - Eastern Daisy Fleabane
Erigeron philadelphicus L. - Philadelphia Fleabane
Erigeron strigosus Muhl. ex Willd. - Prairie Fleabane
Erigeron strigosus var. strigosus - Prairie Fleabane
Euonymus alatus (Thunb.) Siebold - Winged Spindletree
Euonymus atropurpurea Jacq., orth. - Eastern Wahoo
Euonymus atropurpureus Jacq. - Eastern Wahoo
Euonymus atropurpureus var. atropurpureus - Eastern Wahoo
Euonymus obovatus Nutt. - Running Strawberry-Bush
Eupatorium sessilifolium L. - Upland Boneset
Euphorbia corollata L. - Flowering Spurge
Euphorbia maculata L. - Spotted Sandmat
Euphorbia nutans Lag. - Eyebane
Euthamia graminifolia (L.) Nutt. - Flat-Top Goldentop
Eutrochium fistulosum (Barratt) E. E. Lamont - Trumpetweed
Fagus grandifolia Ehrh. - American Beech
Fallopia convolvulus (L.) Á. Löve - Black-Bindweed
Fallopia scandens (L.) Holub - Climbing Black-Bindweed
Festuca subverticillata (Pers.) Alexeev - Nodding Fescue
Fimbristylis autumnalis (L.) Roem. & Schult. - Slender Fimbry
Floerkea proserpinacoides Willd. - False Mermaidweed
Fraxinus pennsylvanica Marshall - Green Ash
Galearis spectabilis (L.) Raf. - Showy Orchid
Galinsoga quadriradiata Ruiz & Pav. - Shaggy-Soldier
Galium anglicum Huds. - Wall Bedstraw
Galium aparine L. - Sticky-Willy
Galium circaezans Michx. - Licorice Bedstraw
Galium concinnum Torr. & A. Gray - Shining Bedstraw
Galium tinctorium (L.) Scop. - Stiff Marsh Bedstraw
Galium triflorum Michx. - Fragrant Bedstraw
Gamochaeta purpurea (L.) Cabrera - Spoon-Leaf Purple Everlasting
Gaylussacia baccata (Wangenh.) K. Koch - Black Huckleberry
Gentiana andrewsii Griseb. - Closed Bottle Gentian
Gentiana andrewsii var. andrewsii - Closed Bottle Gentian
Geranium maculatum L. - Spotted Crane's-Bill
Geum canadense Jacq. - White Avens
Geum vernum (Raf.) Torr. & A. Gray - Spring Avens
Geum virginianum L. - Cream Avens
Glyceria striata (Lam.) Hitchc. - Fowl Manna Grass
Gratiola neglecta Torr. - Clammy Hedge-Hyssop
Hackelia virginiana (L.) I. M. Johnst. - Beggar's-Lice
Hamamelis virginiana L. - American Witch-Hazel
Hedeoma pulegioides (L.) Pers. - American False Pennyroyal
Helenium autumnale L. - Autumn Sneezeweed
Helenium flexuosum Raf. - Purple-Head Sneezeweed
Helianthus decapetalus L. - Thin-Leaf Sunflower
Helianthus divaricatus L. - Woodland Sunflower
Helianthus grosseserratus M. Martens - Saw-Tooth Sunflower
Helianthus hirsutus Raf. - Whiskered Sunflower
Helianthus microcephalus Torr. & A. Gray - Small Woodland Sunflower
Helianthus strumosus L. - Pale-Leaf Woodland Sunflower
Helianthus tuberosus L. - Jerusalem-Artichoke
Helianthus × glaucus Small - Hybrid Sunflower
Heliopsis helianthoides (L.) Sweet - Smooth Oxeye
Heliopsis helianthoides var. helianthoides - Smooth Oxeye
Heuchera americana L. - American Alumroot
Heuchera americana var. americana - American Alumroot
Hibiscus moscheutos L. - Crimson-Eye Rose-Mallow
Hibiscus moscheutos subsp. moscheutos - Crimson-Eye Rose-Mallow
Hieracium gronovii L. - Queendevil
Hieracium paniculatum L. - Allegheny Hawkweed
Holcus lanatus L. - Common Velvet Grass
Homalosorus pycnocarpos (Spreng.) Pic.Serm. - Glade Fern
Houstonia caerulea L. - Quaker-Ladies
Houstonia purpurea L. - Venus'-Pride
Houstonia purpurea var. calycosa A. Gray - Venus'-Pride
Houstonia purpurea var. purpurea - Venus'-Pride
Houstonia pusilla Schoepf - Tiny Bluet
Huperzia lucidula (Michx.) Trevis. - Shining Fir-Moss
Hybanthus concolor (T. F. Forst.) Spreng. - Green-Violet
Hydrangea arborescens L. - Wild Hydrangea
Hydrangea cinerea Small - Ashy Hydrangea
Hydrastis canadensis L. - Goldenseal
Hydrophyllum appendiculatum Michx. - Great Waterleaf
Hydrophyllum canadense L. - Blunt-Leaf Waterleaf
Hydrophyllum macrophyllum Nutt. - Large-Leaf Waterleaf
Hylodesmum glutinosum (Muhl. ex Willd.) H. Ohashi & R. R. Mill - Pointed-Leaf Tick-Clover
Hylodesmum nudiflorum (L.) H. Ohashi & R. R. Mill - Naked-Flower Tick-Clover
Hypericum ascyron L. - Great St. John's-Wort
Hypericum ascyron subsp. pyramidatum (Aiton) N. Robson - Great St. John's-Wort
Hypericum hypericoides (L.) Crantz - St. Andrew's-Cross
Hypericum hypericoides subsp. multicaule (Michx. ex Willd.) N. Robson - St. Andrew Cross
Hypericum mutilum L. - Dwarf St. John's-Wort
Hypericum mutilum subsp. mutilum - Dwarf St. John's-Wort
Hypericum perforatum L. - Common St. John's-Wort
Hypericum prolificum L. - Shrubby St. John's-Wort
Hypericum punctatum Lam. - Spotted St. John's-Wort
Impatiens capensis Meerb. - Spotted Touch-Me-Not
Impatiens pallida Nutt. - Pale Touch-Me-Not
Iodanthus pinnatifidus (Michx.) Steud. - Purple-Rocket
Ipomoea hederacea Jacq. - Ivy-Leaf Morning-Glory
Ipomoea lacunosa L. - Whitestar
Ipomoea pandurata (L.) G. Mey. - Man-of-the-Earth
Iris virginica L. - Virginia Blueflag
Juglans cinerea L. - White Walnut
Juncus acuminatus Michx. - Knotty-Leaf Rush
Juncus anthelatus (Wiegand) R. E. Brooks - Kentucky Rush
Juncus bufonius L. - Toad Rush
Juncus diffusissimus Buckley - Slim-Pod Rush
Juncus effusus L. - Lamp Rush
Juncus marginatus Rostk. - Bog Rush
Juncus tenuis Willd. - Lesser Poverty Rush
Juniperus virginiana L. - Eastern Red-Cedar
Juniperus virginiana var. virginiana - Eastern Red-Cedar
Justicia americana (L.) Vahl - American Water-Willow
Krigia biflora (Walter) S. F. Blake - Two-Flower Dwarf-Dandelion
Kummerowia striata (Thunb.) Schindl. - Japanese-Clover
Kyllinga pumila Michx. - Low Spike Sedge
Lactuca biennis (Moench) Fernald - Wild Blue Lettuce
Lactuca canadensis L. - Wild Lettuce
Lactuca floridana (L.) Gaertn. - Woodland Lettuce
Lamium amplexicaule L. - Giraffehead
Lamium purpureum L. - Red Henbit
Laportea canadensis (L.) Wedd. - Canadian Wood-Nettle
Leersia virginica Willd. - White Grass
Lepidium campestre (L.) W. T. Aiton - Cream-Anther Field Pepperwort
Lepidium virginicum L. - Poorman's-Pepperwort
Lepidium virginicum subsp. virginicum - Virginia Pepperweed
Lespedeza sp. Michx. - lespedeza
Lespedeza cuneata (Dum. Cours.) G. Don - Chinese Bush-Clover
Lespedeza hirta (L.) Hornem. - Hairy Bush-Clover
Lespedeza hirta subsp. hirta - Hairy Lespedeza
Lespedeza procumbens Michx. - Trailing Bush-Clover
Lespedeza violacea (L.) Pers. - Violet Bush-Clover
Lespedeza × nuttallii Darl. - Hyrid Lespedeza
Leucanthemum vulgare Lam. - Ox-Eye Daisy
Leucospora multifida (Michx.) Nutt. - Narrow-Leaf Paleseed
Liatris squarrulosa Michx. - Appalachian Gayfeather
Ligustrum obtusifolium Siebold & Zucc. - Border Privet
Lilium michiganense Farw. - Michigan Lily
Lilium superbum L. - Turk's-Cap Lily
Lindernia dubia (L.) Pennell - Yellow-Seed False Pimpernel
Linum medium (Planch.) Britton - Stiff Yellow Flax
Linum medium var. texanum (Planch.) Fernald - Stiff Yellow Flax
Linum virginianum L. - Woodland Flax
Liparis liliifolia (L.) Rich. ex Lindl. - Brown Wide-Lip Orchid
Liquidambar styraciflua L. - Sweet-Gum
Lobelia inflata L. - Indian-Tobacco
Lobelia siphilitica L. - Great Blue Lobelia
Lobelia spicata Lam. - Pale-Spike Lobelia
Lobelia spicata var. leptostachys (A. DC.) Mack. & Bush - Pale-Spike Lobelia
Lolium perenne L. - Perennial Rye Grass
Lonicera japonica Thunb. - Japanese Honeysuckle
Lotus corniculatus L. - Garden Bird's-Foot-Trefoil
Ludwigia alternifolia L. - Seedbox
Ludwigia palustris (L.) Elliott - Marsh Primrose-Willow
Ludwigia peploides subsp. glabrescens (Kuntze) P. H. Raven - Floating Primrose-Willow
Luzula echinata (Small) F. J. Herm. - Hedgehog Wood-Rush
Lycopus americanus Muhl. ex W. P. C. Barton - Cut-Leaf Water-Horehound
Lycopus rubellus Moench - Taper-Leaf Water-Horehound
Lycopus virginicus L. - Virginia Water-Horehound
Lysimachia arvensis (L.) U. Manns & Anderb. - Scarlet Yellow-Loosestrife
Lysimachia ciliata L. - Fringed Yellow-Loosestrife
Lysimachia lanceolata Walter - Lance-Leaf Yellow-Loosestrife
Lysimachia nummularia L. - Creeping-Jenny
Lysimachia quadrifolia L. - Whorled Yellow-Loosestrife
Lythrum salicaria L. - Purple Loosestrife
Macleaya cordata (Willd.) R. Br. - Plume-Poppy
Maianthemum racemosum (L.) Link - Feathery False Solomon's-Seal
Maianthemum racemosum subsp. racemosum - Feathery False Lily of the Valley
Malus coronaria (L.) Mill. - Sweet Crabapple
Mazus pumilus (Burm. f.) Steenis - Japanese Mazus
Medeola virginiana L. - Indian Cucumber-Root
Melissa officinalis L. - Lemonbalm
Menispermum canadense L. - Canadian Moonseed
Mentha sp. L. - mint
Mentha x piperita L. (pro sp.) [aquatica × spicata] - Peppermint
Microstegium vimineum (Trin.) A. Camus - Japanese Stilt Grass
Mimulus alatus Aiton - Sharp-Wing Monkey-Flower
Mimulus ringens L. - Allegheny Monkey-Flower
Mollugo verticillata L. - Green Carpetweed
Monarda clinopodia L. - White Bergamot
Morus rubra L. - Red Mulberry
Muhlenbergia frondosa (Poir.) Fernald - Wire-Stem Muhly
Muhlenbergia schreberi J. F. Gmel. - Nimblewill
Muhlenbergia sobolifera (Muhl. ex Willd.) Trin. - Rock Muhly
Muhlenbergia sylvatica (Torr.) Torr. ex A. Gray - Woodland Muhly
Myosotis scorpioides L. - True Forget-Me-Not
Myosotis verna Nutt. - Spring Forget-Me-Not
Nabalus altissimus (L.) Hook. - Tall Rattlesnake-Root
Najas gracillima (A. Braun ex Engelm.) Magnus - Slender Waternymph
Nelumbo lutea Willd. - American Lotus
Nyssa sylvatica Marshall - Black Tupelo
Obolaria virginica L. - Virginia Pennywort
Oenothera pilosella Raf. - Meadow Evening-Primrose
Oenothera pilosella subsp. pilosella - Meadow Evening-Primrose
Oenothera speciosa Nutt. - Pinkladies
Oenothera villosa Thunb. - Hairy Evening-Primrose
Oenothera villosa subsp. villosa - Hairy Evening Primrose
Onoclea sensibilis L. - Sensitive Fern
Ophioglossum pusillum Raf. - Northern Adder's-Tongue
Orbexilum pedunculatum (Mill.) Rydb. - Sampson's-Snakeroot
Orbexilum pedunculatum var. pedunculatum - Sampson Snakeroot
Osmorhiza claytonii (Michx.) C. B. Clarke - Hairy Sweet-Cicely
Osmorhiza longistylis (Torr.) DC. - Aniseroot
Osmunda claytoniana L. - Interrupted Fern
Ostrya virginiana (Mill.) K. Koch - Eastern Hop-Hornbeam
Oxalis dillenii Jacq. - Slender Yellow Wood-Sorrel
Oxalis grandis Small - Great Yellow Wood-Sorrel
Oxalis violacea L. - Violet Wood-Sorrel
Packera aurea (L.) Á. Löve & D. Löve - Golden Groundsel
Packera glabella (Poir.) C. Jeffrey - Cress-Leaf Groundsel
Packera obovata (Muhl. ex Willd.) W. A. Weber & Á. Löve - Round-Leaf Groundsel
Panax quinquefolius L. - American Ginseng
Panicum capillare L. - Common Panic Grass
Panicum capillare subsp. capillare L. - Common Panic Grass
Panicum dichotomiflorum Michx. - Autumn Panic Grass
Panicum dichotomiflorum subsp. dichotomiflorum - Autumn Panic Grass
Panicum flexile (Gattinger) Scribn. - Wiry Panic Grass
Panicum gattingeri Nash - Gattinger's Panic Grass
Paronychia canadensis (L.) Alph. Wood - Smooth Forked Nailwort
Parthenocissus quinquefolia (L.) Planch. - Virginia-Creeper
Paspalum laeve Michx. - Field Crown Grass
Paspalum setaceum Michx. - Slender Crown Grass
Paspalum setaceum var. muhlenbergii (Nash) D. J. Banks - Hurrahgrass
Pastinaca sativa L. - Wild Parsnip
Pedicularis canadensis L. - Canadian Lousewort
Peltandra virginica (L.) Schott - Green Arrow-Arum
Penstemon digitalis Nutt. ex Sims - Foxglove Beardtongue
Perilla frutescens (L.) Britton - Beefsteakplant
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Citation: The vPlants Project. vPlants: A Virtual Herbarium of the Chicago Region. http://www.vplants.org
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