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Families: 127
Genera: 507
Species: 1142
Total Taxa (details): 1177

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Acalypha deamii (Weath.) H. E. Ahles - Deam's Three-Seed-Mercury
Acalypha rhomboidea Raf. - Common Three-Seed-Mercury
Acalypha virginica L. - Virginia Three-Seed-Mercury
Acer negundo L. - Ash-Leaf Maple
Acer nigrum F. Michx. - Black Maple
Acer rubrum L. - Red Maple
Acer saccharinum L. - Silver Maple
Achillea millefolium L. - common yarrow
Actaea pachypoda Elliott - White Baneberry
Adiantum pedatum L. - Northern Maidenhair
Aesculus glabra Willd. - Ohio Buckeye
Agalinis purpurea (L.) Pennell - Purple False Foxglove
Agalinis tenuifolia (Vahl) Raf. - Slender-Leaf False Foxglove
Agastache nepetoides (L.) Kuntze - Yellow Giant-Hyssop
Agrimonia pubescens Wallr. - Soft Grooveburr
Agrimonia rostellata Wallr. - Beaked Grooveburr
Agrostemma githago L. - Common Corncockle
Agrostis stolonifera L. - Spreading Bent
Alcea rosea L. - Hollyhock
Alisma subcordatum Raf. - American Water-Plantain
Allium canadense L. - Meadow Garlic
Allium cernuum Roth - Nodding Onion
Allium sativum L. - Cultivated Garlic
Alopecurus aequalis Sobol. - Short-Awn Meadow-Foxtail
Alopecurus aequalis var. aequalis - Short-Awn Meadow-Foxtail
Alopecurus carolinianus Walter - Tufted Meadow-Foxtail
Amaranthus albus L. - Tumbleweed
Amaranthus hybridus L. - Smooth Amaranth
Amaranthus spinosus L. - Spiny Amaranth
Ambrosia trifida L. - Great Ragweed
Amelanchier arborea (Michx. f.) Fernald - Intermediate Service-Berry
Amelanchier laevis Wiegand - Allegheny Service-Berry
Amelanchier spicata (Lam.) K. Koch - Running Service-Berry
Amorpha fruticosa L. - False Indigo-Bush
Andropogon virginicus L. - Chalky Bluestem
Androsace occidentalis Pursh - Western Rock-Jasmine
Anemone acutiloba (DC.) G. Lawson - Sharp-Lobe Hepatica
Anemone americana (DC.) H. Hara - Round-Lobe Hepatica
Anemone canadensis L. - Canadian False Thimbleweed
Anemone virginiana L. - Tall Thimbleweed
Angelica atropurpurea L. - Purple-Stem Angelica
Antennaria neglecta Greene - Field Pussytoes
Antennaria parlinii Fernald - Parlin's Pussytoes
Anthemis cotula L. - Stinking Chamomile
Apocynum androsaemifolium L. - Spreading Dogbane
Aquilegia canadensis L. - Red Columbine
Arabis pycnocarpa M. Hopkins - Hairy Eared Rockcress
Aralia nudicaulis L. - Wild Sarsaparilla
Aralia racemosa L. - American Spikenard
Arctium minus (Hill) Bernh. - Lesser Burrdock
Arenaria serpyllifolia L. - Thyme-Leaf Sandwort
Arisaema triphyllum (L.) Schott - Jack-in-the-Pulpit
Aristida oligantha Michx. - Prairie Three-Awn
Arnoglossum plantagineum Raf. - Groove-Stem Indian-Plantain
Artemisia ludoviciana Nutt. - White Sagebrush
Asarum canadense L. - Canadian Wild Ginger
Asclepias amplexicaulis Sm. - Clasping Milkweed
Asclepias exaltata L. - Poke Milkweed
Asclepias incarnata L. - Swamp Milkweed
Asclepias syriaca L. - Common Milkweed
Asclepias tuberosa L. - Butterfly Milkweed
Asclepias verticillata L. - Whorled Milkweed
Asclepias viridiflora Raf. - Green Comet Milkweed
Asplenium pinnatifidum Nutt. - Lobed Spleenwort
Asplenium trichomanes L. - Maidenhair Spleenwort
Atriplex patula L. - Halberd-Leaf Orache
Aureolaria flava (L.) Farw. - Smooth Yellow False Foxglove
Aureolaria flava var. macrantha Pennell - Smooth Yellow False Foxglove
Barbarea verna (Mill.) Asch. - Early Yellow-Rocket
Barbarea vulgaris W. T. Aiton - Garden Yellow-Rocket
Besseya bullii (Eaton) Rydb. - Bull's Coraldrops
Bidens aristosa (Michx.) Britton - Bearded Beggarticks
Bidens bipinnata L. - Spanish-Needles
Bidens cernua L. - Nodding Burr-Marigold
Bidens connata Muhl. ex Willd. - Purplestem Beggarticks
Bidens frondosa L. - Devil's-Pitchfork
Bidens vulgata Greene - Tall Beggarticks
Blephilia ciliata (L.) Benth. - Downy Pagoda-Plant
Boehmeria cylindrica (L.) Sw. - Small-Spike False Nettle
Bromus inermis Leyss. - Smooth Brome
Bromus japonicus Thunb. - Japanese Brome
Bromus nottowayanus Fernald - Nottoway Valley Brome
Bromus pubescens Muhl. ex Willd. - Hairy Woodland Brome
Bromus tectorum L. - Cheat Grass
Callitriche heterophylla Pursh - Greater Water-Starwort
Caltha palustris L. - Yellow Marsh-Marigold
Calystegia silvatica (Kit.) Griseb. - Short-Stalk False Bindweed
Camelina microcarpa Andrz. ex DC. - Little-Pod False Flax
Campanula aparinoides Pursh - Marsh Bellflower
Cardamine douglassii Britton - Limestone Bittercress
Cardamine parviflora L. - Sand Bittercress
Carex aggregata Mack. - Glomerate Sedge
Carex albursina E. Sheld. - White Bear Sedge
Carex amphibola Steud. - Eastern Narrow-Leaf Sedge
Carex aurea Nutt. - Golden-Fruit Sedge
Carex blanda Dewey - Eastern Woodland Sedge
Carex buxbaumii Wahlenb. - Brown Bog Sedge
Carex communis L. H. Bailey - Fibrous-Root Sedge
Carex comosa Boott - Bearded Sedge
Carex conjuncta Boott - Soft Fox Sedge
Carex crinita Lam. - Fringed Sedge
Carex digitalis Willd. - Slender Woodland Sedge
Carex digitalis var. digitalis - Slender Woodland Sedge
Carex emoryi Dewey - Emory's Sedge
Carex frankii Kunth - Frank's Sedge
Carex gracilescens Steud. - Slender Loose-Flower Sedge
Carex gracillima Schwein. - Graceful Sedge
Carex granularis Muhl. ex Willd. - Limestone-Meadow Sedge
Carex grayi J. Carey - Gray's Sedge
Carex grisea Wahlenb. - Inflated Narrow-Leaf Sedge
Carex hirsutella Mack. - Fuzzy-Wuzzy Sedge
Carex hirtifolia Mack. - Pubescent Sedge
Carex hitchcockiana Dewey - Hitchcock's Sedge
Carex hyalinolepis Steud. - Shoreline Sedge
Carex inops L. H. Bailey - Long-Stolon Sedge
Carex intumescens Rudge - Greater Bladder Sedge
Carex jamesii Schwein. - James' Sedge
Carex lacustris Willd. - Lakebank Sedge
Carex laevivaginata (Kük.) Mack. - Smooth-Sheath Sedge
Carex laxiculmis Schwein. - Spreading Sedge
Carex laxiflora Lam. - Broad Loose-Flower Sedge
Carex leavenworthii Dewey - Leavenworth's Sedge
Carex leptalea Wahlenb. - Bristly-Stalk Sedge
Carex leptalea subsp. leptalea - Bristlystalked Sedge
Carex lurida Wahlenb. - Sallow Sedge
Carex meadii Dewey - Mead's Sedge
Carex mesochorea Mack. - Midland Sedge
Carex molesta Mack. ex Bright - Troublesome Sedge
Carex normalis Mack. - Greater Straw Sedge
Carex pensylvanica Lam. - Pennsylvania Sedge
Carex picta Steud. - Boott's Sedge
Carex plantaginea Lam. - Plantain-Leaf Sedge
Carex prairea Dewey - Prairie Sedge
Carex prasina Wahlenb. - Drooping Sedge
Carex radiata (Wahlenb.) Small - Eastern Star Sedge
Carex scoparia Schkuhr ex Willd. - Pointed Broom Sedge
Carex shortiana Dewey - Short's Sedge
Carex squarrosa L. - Squarrose Sedge
Carex sterilis Willd. - Dioecious Sedge
Carex stipata Muhl. ex Willd. - Stalk-Grain Sedge
Carex stipata var. stipata - Stalk-Grain Sedge
Carex stricta Lam. - Uptight Sedge
Carex suberecta (Olney) Britton - Prairie Straw Sedge
Carex torta Boott - Twisted Sedge
Carex tribuloides Wahlenb. - Blunt Broom Sedge
Carex vulpinoidea Michx. - Common Fox Sedge
Carex woodii Dewey - Pretty Sedge
Carpinus caroliniana Walter - American Hornbeam
Carya ovata (Mill.) K. Koch - Shag-Bark Hickory
Castilleja coccinea (L.) Spreng. - Scarlet Indian-Paintbrush
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 nutans Raf. - Nodding Mouse-Ear Chickweed
Cerastium nutans var. nutans - Nodding Mouse-Ear Chickweed
Chelidonium majus L. - Greater Celandine
Chelone glabra L. - White Turtlehead
Chelone obliqua L. - Red Turtlehead
Chenopodium album L. - Lamb's-Quarters
Chenopodium berlandieri Moq. - Pit-Seed Goosefoot
Chenopodium standleyanum Aellen - Standley's Goosefoot
Chimaphila maculata (L.) Pursh - Striped Prince's-Pine
Cicuta bulbifera L. - Bulblet-Bearing Water-Hemlock
Cicuta maculata L. - Spotted Water-Hemlock
Cinna arundinacea L. - Sweet Wood-Reed
Circaea alpina L. - Small Enchanter's-Nightshade
Circaea alpina subsp. alpina - Small Enchanter's-Nightshade
Circaea canadensis (L.) Hill - Broad-Leaf Enchanter's-Nightshade
Cirsium muticum Michx. - Swamp Thistle
Cirsium pumilum Spreng. - Pasture Thistle
Claytonia virginica L. - Virginia Springbeauty
Clematis virginiana L. - Devil's-Darning-Needles
Coeloglossum viride (L.) Hartm. - Long-Bract Frog Orchid
Collinsia verna Nutt. - Spring Blue-Eyed Mary
Conium maculatum L. - Poison-Hemlock
Consolida ajacis (L.) Schur - Doubtful Knight's-Spur
Convolvulus arvensis L. - Field Bindweed
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
Cornus obliqua Raf. - Pale Dogwood
Cornus racemosa Lam. - Gray Dogwood
Cornus rugosa Lam. - Round-Leaf Dogwood
Corylus americana Walter - American Hazelnut
Crataegus biltmoreana Beadle - Biltmore Hawthorn
Crataegus coccinea L. - Scarlet Hawthorn
Crataegus crus-galli L. - Cock-Spur Hawthorn
Crataegus holmesiana Ashe - Holmes' Hawthorn
Crataegus punctata Jacq. - Dotted Hawthorn
Crocanthemum canadense (L.) Britton - Long-Branch Frostweed
Cuscuta cephalanthi Engelm. - Buttonbush Dodder
Cuscuta coryli Engelm. - Hazel Dodder
Cyperus bipartitus Torr. - Shining Flat Sedge
Cyperus ferax Rich. - Rusty Flat Sedge
Cyperus lupulinus (Spreng.) Marcks - Great Plains Flat Sedge
Cyperus lupulinus subsp. lupulinus - Great Plains Flat Sedge
Cyperus squarrosus L. - Awned Flat Sedge
Cyperus strigosus L. - Straw-Color Flat Sedge
Cyperus × mesochorus Geise - Hybrid Flatsedge
Cypripedium candidum Muhl. ex Willd. - Small White Lady's-Slipper
Cypripedium parviflorum Salisb. - Yellow Lady's-Slipper
Cypripedium reginae Walter - Showy Lady's-Slipper
Cystopteris bulbifera (L.) Bernh. - Bulblet Bladder Fern
Cystopteris tenuis (Michx.) Desv. - Upland Brittle Bladder Fern
Dactylis glomerata L. - Orchard Grass
Dalea candida Michx. ex Willd. - White Prairie-Clover
Dalea candida var. candida - White Prairie Clover
Dalea purpurea Vent. - Violet Prairie-Clover
Daucus carota L. - Queen Anne's-Lace
Descurainia pinnata (Walter) Britton - Western Tansy-Mustard
Desmodium canadense (L.) DC. - Showy Tick-Trefoil
Desmodium canescens (L.) DC. - Hoary Tick-Trefoil
Desmodium cuspidatum var. cuspidatum - Large-Bract Tick-Trefoil
Desmodium glabellum (Michx.) DC. - Dillenius' Tick-Trefoil
Desmodium illinoense A. Gray - Illinois 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 perplexum B. G. Schub. - Perplexed Tick-Trefoil
Desmodium rotundifolium DC. - Prostrate Tick-Trefoil
Dianthus armeria L. - Deptford Pink
Diarrhena americana P. Beauv. - American Beakgrain
Dicentra cucullaria (L.) Bernh. - Dutchman's-Breeches
Dichanthelium clandestinum (L.) Gould - Deer-Tongue Witch Grass
Dichanthelium latifolium (L.) Harvill - Broad-Leaf Witch Grass
Diervilla lonicera Mill. - Northern Bush-Honeysuckle
Digitaria cognata (Schult.) Pilg. - Carolina Crab Grass
Diospyros virginiana L. - Common Persimmon
Dirca palustris L. - Eastern Leatherwood
Dodecatheon meadia L. - Pride-of-Ohio
Draba verna L. - Spring Whitlow-Grass
Echinacea purpurea (L.) Moench - Eastern Purple-Coneflower
Eleocharis elliptica Kunth - Elliptic Spike-Rush
Elephantopus carolinianus Raeusch. - Carolina Elephant's-Foot
Eleusine indica (L.) Gaertn. - Indian Goose Grass
Elymus canadensis L. - Nodding Wild Rye
Elymus hystrix L. - Eastern Bottle-Brush Grass
Elymus repens (L.) Gould - Creeping Wild Rye
Elymus riparius Wiegand - River-Bank Wild Rye
Elymus virginicus L. - Virginia Wild Rye
Endodeca serpentaria (L.) Raf. - Virginia-Snakeroot
Enemion biternatum Raf. - Eastern False Rue-Anemone
Epilobium coloratum Biehler - Purple-Leaf Willowherb
Equisetum arvense L. - Field Horsetail
Equisetum fluviatile L. - Water Horsetail
Equisetum hyemale L. - Tall Scouring-Rush
Equisetum laevigatum A. Braun - Smooth Scouring-Rush
Erigenia bulbosa (Michx.) Nutt. - Harbinger-of-Spring
Erigeron annuus (L.) Pers. - Eastern Daisy Fleabane
Erigeron philadelphicus L. - Philadelphia Fleabane
Erigeron pulchellus Michx. - Robin's-Plantain
Erysimum repandum L. - Spreading Wallflower
Erythronium albidum Nutt. - Small White Fawn-Lily
Erythronium americanum Ker Gawl. - American Trout-Lily
Euonymus europaeus L. - European Spindletree
Euonymus obovatus Nutt. - Running Strawberry-Bush
Eupatorium altissimum L. - Tall Thoroughwort
Eupatorium perfoliatum L. - Common Boneset
Eupatorium serotinum Michx. - Late-Flowering Thoroughwort
Euphorbia corollata L. - Flowering Spurge
Euphorbia cyathophora Murray - Fire-on-the-Mountain
Euphorbia cyparissias L. - Cypress Spurge
Euphorbia davidii Subils - David's Spurge
Euphorbia dentata Michx. - Toothed Spurge
Euphorbia maculata L. - Spotted Sandmat
Eutrochium purpureum (L.) E. E. Lamont - Sweet-Scented Joe-Pye-Weed
Eutrochium purpureum var. purpureum - Sweet-Scented Joe-Pye-Weed
Fagus grandifolia Ehrh. - American Beech
Fallopia scandens (L.) Holub - Climbing Black-Bindweed
Festuca filiformis Pourr. - Fine-Leaf Sheep Fescue
Fragaria vesca L. - Woodland Strawberry
Fragaria virginiana Mill. - Virginia Strawberry
Frasera caroliniensis Walter - American-Columbo
Froelichia floridana (Nutt.) Moq. - Plains Snake-Cotton
Froelichia gracilis (Hook.) Moq. - Slender Snake-Cotton
Fumaria officinalis L. - Drug Fumitory