Authors: Paul Rothrock

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Families: 108
Genera: 327
Species: 571
Total Taxa (details): 578

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Acalypha ostryifolia Riddell ex J. M. Coult. - Pineland Three-Seed-Mercury
Acalypha virginica L. - Virginia Three-Seed-Mercury
Acer negundo L. - Ash-Leaf Maple
Acer rubrum L. - Red Maple
Acer saccharinum L. - Silver Maple
Actaea pachypoda Elliott - White Baneberry
Adiantum pedatum L. - Northern Maidenhair
Agastache nepetoides (L.) Kuntze - Yellow Giant-Hyssop
Agrimonia pubescens Wallr. - Soft Grooveburr
Agrimonia rostellata Wallr. - Beaked Grooveburr
Alisma subcordatum Raf. - American Water-Plantain
Allium canadense L. - Meadow Garlic
Allium sativum L. - Cultivated Garlic
Amelanchier arborea (Michx. f.) Fernald - Intermediate Service-Berry
Amelanchier laevis Wiegand - Allegheny Service-Berry
Amelanchier spicata (Lam.) K. Koch - Running Service-Berry
Ammannia coccinea Rottb. - Valley Redstem
Andropogon virginicus L. - Chalky Bluestem
Anemone virginiana L. - Tall Thimbleweed
Antennaria neglecta Greene - Field Pussytoes
Antennaria parlinii Fernald - Parlin's Pussytoes
Anthoxanthum odoratum L. - Large Sweet Vernal Grass
Aquilegia canadensis L. - Red Columbine
Aralia racemosa L. - American Spikenard
Aristida dichotoma Michx. - Church-Mouse Three-Awn
Aristida dichotoma var. dichotoma - Church-Mouse Three-Awn
Aristida oligantha Michx. - Prairie Three-Awn
Artemisia annua L. - Annual Wormwood
Asarum canadense L. - Canadian Wild Ginger
Asclepias incarnata L. - Swamp Milkweed
Asclepias syriaca L. - Common Milkweed
Asclepias tuberosa L. - Butterfly Milkweed
Asplenium montanum Willd. - Mountain Spleenwort
Barbarea vulgaris W. T. Aiton - Garden Yellow-Rocket
Berberis vulgaris L. - European Barberry
Bidens cernua L. - Nodding Burr-Marigold
Bidens frondosa L. - Devil's-Pitchfork
Bidens polylepis S. F. Blake - Bearded Beggarticks
Bidens tripartita L. - Three-Lobe Beggarticks
Boehmeria cylindrica (L.) Sw. - Small-Spike False Nettle
Bromus pubescens Muhl. ex Willd. - Hairy Woodland Brome
Callitriche terrestris Raf. - Terrestrial Water-Starwort
Caltha palustris L. - Yellow Marsh-Marigold
Calystegia silvatica (Kit.) Griseb. - Short-Stalk False Bindweed
Carex albursina E. Sheld. - White Bear Sedge
Carex amphibola Steud. - Eastern Narrow-Leaf Sedge
Carex blanda Dewey - Eastern Woodland Sedge
Carex communis L. H. Bailey - Fibrous-Root Sedge
Carex crinita Lam. - Fringed Sedge
Carex digitalis Willd. - Slender Woodland Sedge
Carex digitalis var. digitalis - Slender Woodland Sedge
Carex frankii Kunth - Frank's Sedge
Carex gracilescens Steud. - Slender Loose-Flower Sedge
Carex granularis Muhl. ex Willd. - Limestone-Meadow Sedge
Carex grayi J. Carey - Gray's Sedge
Carex hirtifolia Mack. - Pubescent Sedge
Carex intumescens Rudge - Greater Bladder Sedge
Carex laxiculmis Schwein. - Spreading Sedge
Carex laxiflora Lam. - Broad Loose-Flower Sedge
Carex leavenworthii Dewey - Leavenworth's Sedge
Carex lurida Wahlenb. - Sallow Sedge
Carex normalis Mack. - Greater Straw Sedge
Carex picta Steud. - Boott's Sedge
Carex plantaginea Lam. - Plantain-Leaf Sedge
Carex prasina Wahlenb. - Drooping Sedge
Carex radiata (Wahlenb.) Small - Eastern Star Sedge
Carex squarrosa L. - Squarrose Sedge
Carex stipata Muhl. ex Willd. - Stalk-Grain Sedge
Carex stipata var. stipata - Stalk-Grain Sedge
Carex torta Boott - Twisted 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
Celastrus scandens L. - American Bittersweet
Celtis occidentalis L. - Common Hackberry
Cephalanthus occidentalis L. - Common Buttonbush
Cerastium fontanum Baumg. - Common Mouse-Ear Chickweed
Cerastium glomeratum Thuill. - Sticky Mouse-Ear Chickweed
Cerastium nutans Raf. - Nodding Mouse-Ear Chickweed
Cerastium nutans var. nutans - Nodding Mouse-Ear Chickweed
Chelone glabra L. - White Turtlehead
Chimaphila maculata (L.) Pursh - Striped Prince's-Pine
Cicuta maculata L. - Spotted Water-Hemlock
Cinna arundinacea L. - Sweet Wood-Reed
Circaea canadensis (L.) Hill - Broad-Leaf Enchanter's-Nightshade
Cirsium arvense (L.) Scop. - Canadian Thistle
Claytonia virginica L. - Virginia Springbeauty
Clematis virginiana L. - Devil's-Darning-Needles
Coleataenia rigidula subsp. rigidula - Red-Top Cut-Throat Grass
Collinsia verna Nutt. - Spring Blue-Eyed Mary
Commelina diffusa Burm. f. - Climbing Dayflower
Commelina virginica L. - Virginia Dayflower
Conium maculatum L. - Poison-Hemlock
Conopholis americana (L.) Wallr. - American cancer-root
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
Cosmos bipinnatus Cav. - Garden Cosmos
Crataegus coccinea L. - Scarlet Hawthorn
Crataegus macrosperma Ashe - Big-Fruit Hawthorn
Cyperus squarrosus L. - Awned Flat Sedge
Cyperus strigosus L. - Straw-Color Flat Sedge
Cystopteris bulbifera (L.) Bernh. - Bulblet Bladder Fern
Cystopteris × tennesseensis Shaver - Tennessee Bladder Fern
Desmodium ciliare (Muhl. ex Willd.) DC. - Hairy Small-Leaf Tick-Trefoil
Desmodium marilandicum (L.) DC. - Small-Leaf Tick-Trefoil
Desmodium perplexum B. G. Schub. - Perplexed 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
Dirca palustris L. - Eastern Leatherwood
Dodecatheon meadia L. - Pride-of-Ohio
Draba verna L. - Spring Whitlow-Grass
Elephantopus carolinianus Raeusch. - Carolina Elephant's-Foot
Elymus canadensis L. - Nodding Wild Rye
Elymus hystrix L. - Eastern Bottle-Brush Grass
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 hyemale L. - Tall Scouring-Rush
Erigenia bulbosa (Michx.) Nutt. - Harbinger-of-Spring
Erigeron annuus (L.) Pers. - Eastern Daisy Fleabane
Erigeron philadelphicus L. - Philadelphia Fleabane
Erythronium albidum Nutt. - Small White Fawn-Lily
Erythronium americanum Ker Gawl. - American Trout-Lily
Euonymus obovatus Nutt. - Running Strawberry-Bush
Eupatorium altissimum L. - Tall Thoroughwort
Euphorbia maculata L. - Spotted Sandmat
Euphorbia marginata Pursh - Snow-on-the-Mountain
Fagus grandifolia Ehrh. - American Beech
Fallopia scandens (L.) Holub - Climbing Black-Bindweed
Festuca saximontana Rydb. - Rocky Mountain Fescue
Fragaria virginiana Mill. - Virginia Strawberry
Galium aparine L. - Sticky-Willy
Galium triflorum Michx. - Fragrant Bedstraw
Gamochaeta purpurea (L.) Cabrera - Spoon-Leaf Purple Everlasting
Geranium maculatum L. - Spotted Crane's-Bill
Geum canadense Jacq. - White Avens
Glyceria acutiflora Torr. - Creeping Manna Grass
Gratiola neglecta Torr. - Clammy Hedge-Hyssop
Hamamelis virginiana L. - American Witch-Hazel
Hedeoma pulegioides (L.) Pers. - American False Pennyroyal
Helenium autumnale L. - Autumn Sneezeweed
Helianthus decapetalus L. - Thin-Leaf Sunflower
Helianthus strumosus L. - Pale-Leaf Woodland Sunflower
Helianthus tuberosus L. - Jerusalem-Artichoke
Hemerocallis fulva (L.) L. - Orange Day-Lily
Heuchera americana L. - American Alumroot
Hibiscus moscheutos L. - Crimson-Eye Rose-Mallow
Hieracium scabrum Michx. - Rough Hawkweed
Holcus lanatus L. - Common Velvet Grass
Houstonia caerulea L. - Quaker-Ladies
Houstonia purpurea L. - Venus'-Pride
Humulus lupulus L. - Common Hop
Hydrangea arborescens L. - Wild Hydrangea
Hydrophyllum canadense L. - Blunt-Leaf Waterleaf
Hydrophyllum macrophyllum Nutt. - Large-Leaf Waterleaf
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 punctatum Lam. - Spotted St. John's-Wort
Hypoxis hirsuta (L.) Coville - Eastern Yellow Star-Grass
Impatiens capensis Meerb. - Spotted Touch-Me-Not
Impatiens pallida Nutt. - Pale Touch-Me-Not
Ipomoea hederacea Jacq. - Ivy-Leaf Morning-Glory
Iris virginica L. - Virginia Blueflag
Juglans nigra L. - Black Walnut
Juncus acuminatus Michx. - Knotty-Leaf Rush
Juncus dudleyi Wiegand - Dudley's Rush
Juncus effusus L. - Lamp Rush
Juncus tenuis Willd. - Lesser Poverty Rush
Krigia biflora (Walter) S. F. Blake - Two-Flower Dwarf-Dandelion
Kyllinga pumila Michx. - Low Spike Sedge
Lactuca canadensis L. - Wild Lettuce
Laportea canadensis (L.) Wedd. - Canadian Wood-Nettle
Lepidium campestre (L.) W. T. Aiton - Cream-Anther Field Pepperwort
Lespedeza procumbens Michx. - Trailing Bush-Clover
Lespedeza violacea (L.) Pers. - Violet Bush-Clover
Lindera benzoin (L.) Blume - Northern Spicebush
Lindernia dubia (L.) Pennell - Yellow-Seed False Pimpernel
Linum virginianum L. - Woodland Flax
Lobelia inflata L. - Indian-Tobacco
Lobelia siphilitica L. - Great Blue Lobelia
Lolium perenne L. - Perennial Rye Grass
Lonicera japonica Thunb. - Japanese Honeysuckle
Lycopus uniflorus Michx. - Northern Water-Horehound
Lycopus × sherardii E. S. Steele - Hybrid Waterhorehound
Lysimachia ciliata L. - Fringed Yellow-Loosestrife
Lysimachia lanceolata Walter - Lance-Leaf Yellow-Loosestrife
Lysimachia nummularia L. - Creeping-Jenny
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
Menispermum canadense L. - Canadian Moonseed
Mentha spicata L. - Spearmint
Mimulus ringens L. - Allegheny Monkey-Flower
Mirabilis nyctaginea (Michx.) MacMill. - Heart-Leaf Four-O'clock
Mitchella repens L. - Partridge-Berry
Mitella diphylla L. - Two-Leaf Bishop's-Cap
Monarda clinopodia L. - White Bergamot
Monotropa uniflora L. - One-Flower Indian-Pipe
Morus rubra L. - Red Mulberry
Myosotis scorpioides L. - True Forget-Me-Not
Myosotis verna Nutt. - Spring Forget-Me-Not
Nabalus altissimus (L.) Hook. - Tall Rattlesnake-Root
Nelumbo lutea Willd. - American Lotus
Obolaria virginica L. - Virginia Pennywort
Oenothera laciniata Hill - Cut-Leaf Evening-Primrose
Oenothera pilosella Raf. - Meadow Evening-Primrose
Oenothera villosa Thunb. - Hairy Evening-Primrose
Oenothera villosa subsp. villosa - Hairy Evening Primrose
Onoclea sensibilis L. - Sensitive Fern
Ophioglossum vulgatum L. - Southern Adder's-Tongue
Ostrya virginiana (Mill.) K. Koch - Eastern Hop-Hornbeam
Oxalis stricta L. - Upright Yellow Wood-Sorrel
Oxalis violacea L. - Violet Wood-Sorrel
Panax quinquefolius L. - American Ginseng
Panicum capillare L. - Common Panic Grass
Paspalum setaceum Michx. - Slender Crown Grass
Pastinaca sativa L. - Wild Parsnip
Pedicularis canadensis L. - Canadian Lousewort
Penstemon calycosus Small - Long-Sepal Beardtongue
Penstemon digitalis Nutt. ex Sims - Foxglove Beardtongue
Persicaria arifolia (L.) Haraldson - Halberd-Leaf Tearthumb
Persicaria maculosa S. F. Gray - Spotted Lady's-Thumb
Phacelia bipinnatifida Michx. - Fern-Leaf Scorpion-Weed
Phalaris arundinacea L. - Reed Canary Grass
Phlox divaricata L. - Wild Blue Phlox
Phlox glaberrima L. - Smooth Phlox
Phryma leptostachya L. - American Lopseed
Physalis longifolia Nutt. - Long-Leaf Ground-Cherry
Pilea pumila (L.) A. Gray - Canadian Clearweed
Pinus virginiana Mill. - Virginia Pine
Plantago aristata Michx. - Large-Bract Plantain
Plantago virginica L. - Pale-Seed Plantain
Platanus occidentalis L. - American Sycamore
Poa
Poa annua L. - Annual Blue Grass
Poa compressa L. - Flat-Stem Blue Grass
Poa pratensis L. - Kentucky Blue Grass
Poa sylvestris A. Gray - Woodland Blue Grass
Polanisia dodecandra (L.) DC. - Red-Whisker Clammyweed
Polemonium reptans L. - Greek-Valerian
Polygala ambigua Nutt. - Alternate Milkwort
Polygala sanguinea L. - Purple Milkwort
Polymnia canadensis L. - White-Flower Leafcup
Potamogeton nodosus Poir. - Long-Leaf Pondweed
Potentilla norvegica L. - Norwegian Cinquefoil
Potentilla recta L. - Sulphur Cinquefoil
Potentilla simplex Michx. - common cinquefoil
Prunella vulgaris L. - Common Selfheal
Prunus serotina Ehrh. - Black Cherry
Ptelea trifoliata L. - Common Hoptree
Pycnanthemum loomisii Nutt. - Loomis' Mountain-Mint
Pycnanthemum pilosum Nutt. - Hairy Mountain-Mint
Quercus rubra L. - Northern Red Oak
Ranunculus abortivus L. - Kidney-Leaf Buttercup
Ranunculus bulbosus L. - St. Anthony's-Turnip
Ranunculus hispidus Michx. - Bristly Buttercup
Rhus copallinum L. - Winged Sumac
Rhus glabra L. - Smooth Sumac
Ribes cynosbati L. - Eastern Prickly Gooseberry
Rosa setigera Michx. - Climbing Rose
Rubus allegheniensis Porter - Allegheny Blackberry
Rubus meracus L.H. Bailey - Dryslope Dewberry
Rubus occidentalis L. - Black Raspberry
Rudbeckia triloba L. - Brown-Eyed-Susan
Rumex crispus L. - Curly Dock
Salix eriocephala Michx. - Missouri Willow
Salix humilis Marshall - Prairie Willow
Salix interior Rowlee - Sandbar Willow
Salix nigra Marshall - Black Willow
Sambucus canadensis L. - Common Elderberry
Samolus parviflorus Raf. - Water-Pimpernel
Sanicula canadensis L. - Canadian Black-Snakeroot
Scirpus cyperinus (L.) Kunth - Cottongrass Bulrush
Scirpus pendulus Muhl. - Rufous Bulrush
Scrophularia marilandica L. - Carpenter's-Square
Sedum ternatum Michx. - Woodland Stonecrop
Senna hebecarpa (Fernald) H. S. Irwin & Barneby - American Wild Sensitive-Plant
Sicyos angulatus L. - One-Seed Burr-Cucumber
Sisyrinchium angustifolium Mill. - Narrow-Leaf Blue-Eyed-Grass
Solidago caesia L. - Wreath Goldenrod
Solidago caesia var. caesia - Blue-Stem Goldenrod
Solidago flexicaulis L. - Zigzag Goldenrod
Solidago gigantea Aiton - Late Goldenrod
Solidago nemoralis Aiton - Gray Goldenrod