Special Collections


Wildflowers of the Atlantic Southeast

This is the collection of plants that appears in the Timber Press publication, Wildflowers of the Atlantic Southeast.

Last Update: 2020-01-19

Print Options: Plant list only | Plant list with images
scientific common duration habit height thumb detail
Abutilon theophrasti Velvetleaf Annual Forb/herb 2-4 ft. detail
Acalypha gracilens Shortstalk Copperleaf Annual Forb/herb to 2 1/2 ft. detail
Acalypha ostryifolia Pineland Threeseed Mercury Annual Forb/herb 1-2 1/2 ft. detail
Acalypha rhomboidea Three-seeded Mercury Annual Forb/herb 6–24 in. detail
Acalypha virginica Virginia Copperleaf Annual Forb/herb 6–24 in. detail
Acanthospermum australe Paraguay Bur Annual, Perennial Forb/herb 1-5 ft. (long) detail
Achillea borealis American Thousandleaf 1-3 ft. detail
Aconitum reclinatum Trailing Wolfsbane Perennial Forb/herb 1-3 ft. detail
Aconitum uncinatum Southern Blue Monkshood Perennial Forb/herb 2-5 ft. detail
Acorus calamus European Sweetflag Perennial Forb/herb 1-3 1/2 ft. detail
Actaea pachypoda Dolls’-eyes Perennial Forb/herb 1-2 1/2 ft. detail
Actaea podocarpa Late Black-cohosh Perennial Forb/herb 3-5 ft. detail
Actaea racemosa Early Black-cohosh Perennial Forb/herb 3-8 ft. detail
Adlumia fungosa Alleghany-vine Biennial Vine, Forb/herb to 12 ft. detail
Agalinis fasciculata Beach False Foxglove Annual Forb/herb 1-3 ft. detail
Agalinis linifolia Flaxleaf False Foxglove Perennial Forb/herb 2-4 ft. detail
Agalinis purpurea Purple False Foxglove Annual Forb/herb 1-4 ft. detail
Agalinis setacea Threadleaf False Foxglove Annual Forb/herb 6-27 in. detail
Agalinis tenuifolia Slenderleaf False Foxglove Annual Forb/herb 8-30 in. detail
Agastache nepetoides Yellow Giant Hyssop Perennial Subshrub, Forb/herb 2-5 ft. detail
Agastache scrophulariifolia Purple Giant Hyssop Perennial Subshrub, Forb/herb 4-6 ft. ft. detail
Ageratina altissima White Snakeroot Perennial Forb/herb 1 1/2-4 ft. detail
Ageratina aromatica Small-leaved White Snakeroot Perennial Forb/herb 1-2 1/2 ft. detail
Agrimonia parviflora Harvestlice Perennial Forb/herb 2 1/2-6 ft. detail
Agrimonia pubescens Downy Agrimony Perennial Forb/herb 1-4 ft. detail
Agrimonia rostellata Beaked Agrimony Perennial Forb/herb 1-2 1/2 ft. detail
Aletris aurea Golden Colic-root Perennial Forb/herb 7-26 in. detail
Aletris farinosa White Colicroot Perennial Forb/herb 1-3.5 ft. detail
Aletris lutea Yellow Colic-root Perennial Forb/herb 1-3 ft. detail
Alisma subcordatum American Water-plantain Perennial Forb/herb to 3 ft. above water detail
Alliaria petiolata Garlic Mustard Annual, Biennial Forb/herb 1-3 ft. detail
Allium canadense Meadow Garlic Perennial Forb/herb 8-24 in. detail
Allium cernuum Nodding Onion Perennial Forb/herb 12-15 in. detail
Allium cuthbertii Striped Garlic Perennial Forb/herb 8-24 in. detail
Allium tricoccum Ramp Perennial Forb/herb 6-11 in. detail
Allium vineale Onion-grass Perennial Forb/herb 1-4 ft. detail
Alternanthera philoxeroides Alligator-weed Perennial Forb/herb 2-3 ft. detail
Amaranthus cannabinus Salt-marsh Water-hemp Perennial Forb/herb 2-7 ft. detail
Amaranthus hybridus Green Amaranth Annual Forb/herb 2-6 ft. detail
Amaranthus pumilus Dwarf Amaranth Annual Forb/herb 4-10 in. detail
Amaranthus spinosus Spiny Amaranth Annual Forb/herb 3-4 ft. detail
Amaranthus viridis Slender Amaranth Annual Forb/herb 1-3 ft. detail
Ambrosia artemisiifolia Annual Ragweed Annual Forb/herb 1-6 ft. detail
Ambrosia trifida Giant Ragweed Annual Subshrub, Forb/herb 3-12 ft. detail
Amianthium muscitoxicum Fly-poison Perennial Forb/herb 1-4 ft. detail
Ampelaster carolinianus Climbing Aster Perennial Shrub, Vine to 6+ ft. detail
Amphianthus pusillus Pool-sprite Annual Forb/herb 2-5 in. detail
Amphicarpaea bracteata American Hog-peanut Annual, Perennial Vine, Forb/herb 2-8 ft. detail
Amsonia ciliata Sandhills Bluestar Perennial Forb/herb 1-2 ft. detail
Amsonia tabernaemontana Eastern Bluestar Perennial Forb/herb 1-3 ft. detail
Anemone acutiloba Sharp-lobed Hepatica 2-8 in. detail
Anemone americana Round-lobed Hepatica 2-7 in. detail
Anemone berlandieri Eastern Prairie Anemone Perennial Forb/herb 8-18 in. detail
Anemone canadensis Canada Anemone Perennial Forb/herb 8-24 in. detail
Anemone lancifolia Lanceleaf Anemone Perennial Forb/herb 4-11 in. detail
Anemone quinquefolia Wood Anemone Perennial Forb/herb 2-12 in. detail
Anemone virginiana Tall Thimbleweed Perennial Forb/herb 1-3 ft. detail
Angelica triquinata Filmy Angelica Perennial Forb/herb 2-6 ft. detail
Angelica venenosa Deadly Angelica Perennial Forb/herb 2-6 ft. detail
Antennaria plantaginifolia Plantain Pussytoes Perennial Forb/herb 2 1/2-8 in. detail
Antennaria solitaria Singlehead Pussytoes Perennial Forb/herb 7-11 in. detail
Antennaria virginica Shale-barren Pussytoes Perennial Forb/herb 4-8 in. detail
Anthemis arvensis Corn Chamomile Annual Forb/herb 4-32 in. detail
Anthemis cotula Dog-fennel Annual Forb/herb 12-20 in. detail
Aphanes australis Parsley-piert 1-4 in. detail
Aphyllon uniflorum Cancer-root 2-8 in. detail
Apios americana Common Groundnut Perennial Vine, Forb/herb to 12 ft. detail
Aplectrum hyemale Adam And Eve Perennial Forb/herb 8-20 in. detail
Apocynum androsaemifolium Spreading Dogbane Perennial Forb/herb 1-3 ft. detail
Apocynum cannabinum Hemp Dogbane Perennial Forb/herb 1-4.5 ft. detail
Aquilegia canadensis Eastern Columbine Perennial Forb/herb 1-3 ft. detail
Arabidopsis thaliana Mouse-ear Cress Annual Forb/herb 1-20 in. detail
Arabis canadensis Canada Rockcress Biennial Forb/herb 1-4 ft. detail
Arabis laevigata Burk’s Smooth Rockcress Biennial Forb/herb 1-3 ft. detail
Aralia nudicaulis Wild Sarsaparilla Perennial Subshrub, Forb/herb 12-18 in. detail
Aralia racemosa American Spikenard Perennial Subshrub, Forb/herb 3-5 ft. detail
Arctium minus Common Burdock Biennial Forb/herb to 5 ft. detail
Arenaria serpyllifolia Large Thyme-leaved Sandwort Annual Forb/herb 2-10 in. detail
Arethusa bulbosa Arethusa Perennial Forb/herb to 14 in. detail
Arisaema dracontium Green Dragon Perennial Forb/herb 1-2 ft. detail
Arisaema triphyllum Jack-in-the-pulpit Perennial Forb/herb 1-2 ft. detail
Arnica acaulis Leopard’s-bane Perennial Forb/herb 1-3 ft. detail
Arnoglossum atriplicifolium Pale Indian-plantain Perennial Forb/herb 3-8 ft. detail
Arnoglossum ovatum Broadleaf Indian-plantain Perennial Forb/herb 1 1/2-8 ft. detail
Arnoglossum reniforme Great Indian Plantain Perennial Forb/herb 3-8 ft. detail
Artemisia ludoviciana Prairie Sage Perennial Subshrub, Forb/herb 2-3 ft. detail
Artemisia vulgaris Common Mugwort Perennial Subshrub, Forb/herb 2-6 ft. detail
Aruncus dioicus Goats-beard Perennial Forb/herb 3-6 ft. detail
Asarum canadense Wild Ginger Perennial Forb/herb 2–8 in. detail
Asclepias amplexicaulis Clasping Milkweed Perennial Forb/herb 2-3 ft. detail
Asclepias cinerea Carolina Milkweed Perennial Forb/herb 12-28 in. detail
Asclepias connivens Largeflower Milkweed Perennial Forb/herb 1-3 ft. detail
Asclepias exaltata Poke Milkweed Perennial Forb/herb 2-6 ft. detail
Asclepias humistrata Pinewoods Milkweed Perennial Forb/herb 1-2 1/2 ft. detail
Asclepias incarnata Swamp Milkweed Perennial Forb/herb 3-6 ft. detail
Asclepias lanceolata Few-flower Milkweed Perennial Forb/herb 2-3 ft. detail
Asclepias longifolia Longleaf Milkweed Perennial Forb/herb 1/2-2 ft detail
Asclepias michauxii Michaux’s Milkweed Perennial Forb/herb 4-16 in. detail
Asclepias obovata Pineland Milkweed Perennial Forb/herb 1-2 1/2 ft. detail
Asclepias perennis Smoothseed Milkweed Perennial Forb/herb 1-2 ft. detail
Asclepias purpurascens Purple Milkweed Perennial Forb/herb 1 1/4-3 ft. detail
Asclepias quadrifolia Fourleaf Milkweed Perennial Forb/herb 8-20 in. detail
Asclepias rubra Red Milkweed Perennial Forb/herb 1 1/2-4 ft. detail
Asclepias syriaca Common Milkweed Perennial Forb/herb 3-6 ft. detail
Asclepias tomentosa Sandhills Milkweed Perennial Forb/herb 7-19 in. detail
Asclepias tuberosa Butterfly Milkweed Perennial Forb/herb 1-3 ft. detail
Asclepias variegata White Milkweed Perennial Forb/herb 2-3 ft. detail
Asclepias verticillata Whorled Milkweed Perennial Forb/herb 8-24 in. detail
Asclepias viridiflora Green Comet Milkweed Perennial Forb/herb to 2 1/2 ft. detail
Asemeia grandiflora Showy Milkwort 8-20 in. detail
Asparagus officinalis Asparagus Perennial Forb/herb 2 1/2-6 ft. detail
Astilbe biternata Appalachian False Goat’s Beard Perennial Forb/herb 3-6 ft. detail
Aureolaria flava Smooth Oak-leech Perennial Forb/herb 2-5 ft. detail
Aureolaria laevigata Appalachian Oak-leech Perennial Forb/herb 1.5-5 ft. detail
Aureolaria pectinata Combleaf Yellow False Foxglove Annual Forb/herb 1-3 ft. detail
Aureolaria pedicularia Annual Oak-leech Annual Forb/herb 1-4 ft. detail
Aureolaria virginica Downy Oak-leech Perennial Forb/herb 1-5 ft. detail
Balduina angustifolia Coastal Plain Honeycombhead Annual, Biennial, Perennial Forb/herb 1 1/2-3 ft. detail
Balduina uniflora Savanna Honeycombhead Perennial Forb/herb 1-3 ft. detail
Baptisia albescens Spiked Wild Indigo Perennial Forb/herb 2-3 ft. detail
Baptisia australis Tall Blue Wild Indigo Perennial Forb/herb 2-3 ft. detail
Baptisia cinerea Carolina Wild Indigo Perennial Forb/herb 1-2 1/2 ft. detail
Baptisia perfoliata Catbells Perennial Forb/herb 1-3 ft. detail
Baptisia tinctoria Rattleweed Perennial Forb/herb 2-3 ft. detail
Barbarea verna Early Winter-cress Biennial, Perennial Forb/herb 8-32 in. detail
Barbarea vulgaris Common Winter-cress Biennial Forb/herb 1-2.5 ft. detail
Bartonia paniculata Twining Screwstem Annual, Biennial Vine, Forb/herb 4-16 in. detail
Bartonia verna Spring Bartonia Annual Forb/herb 2-8 in. detail
Bartonia virginica Virginia Bartonia Annual Forb/herb 4-16 in. detail
Berlandiera pumila Soft Greeneyes Perennial Subshrub, Forb/herb 1 1/2-3 ft. detail
Bidens aristosa Ditch-daisy Annual, Biennial Forb/herb to 6 ft. detail
Bidens bipinnata Spanish Needles Annual Forb/herb 1-5 ft. detail
Bidens cernua Nodding Beggartick Annual Forb/herb 1-3 ft. detail
Bidens discoidea Few-bracted Beggar-ticks Annual Forb/herb 1-3 ft. (occasionally to 6 ft.) detail
Bidens frondosa Devil’s Beggar-ticks Annual Forb/herb 1-4 ft. detail
Bidens laevis Showy Bur-marigold Annual, Perennial Forb/herb 1-3 ft. (occasionally to 7 ft.) detail
Bidens pilosa Hairy Beggarticks Annual Forb/herb 8-30 in. (may be much taller) detail
Bigelowia nudata Rayless-goldenrod Perennial Subshrub, Forb/herb 1-2 ft. detail
Blephilia ciliata Downy Woodmint Perennial Forb/herb 1-2.5 ft. (Spread 1-1.5 ft.) detail
Blephilia hirsuta Hairy Pagoda-plant Perennial Forb/herb 1-3 ft. detail
Boehmeria cylindrica False-nettle Perennial Forb/herb 2-5 ft. detail
Boltonia caroliniana Carolina Doll’s-daisy Perennial Forb/herb 4-6 ft. detail
Borrichia frutescens Silver Seaside Oxeye Perennial Subshrub 1/2-5 ft. detail
Boykinia aconitifolia Brook-saxifrage Perennial Forb/herb 6 - 32 in. detail
Brasenia schreberi Purple Wen-dock Perennial Forb/herb detail
Brassica nigra Black Mustard Annual Forb/herb 1 1/2-6 ft. detail
Brassica rapa Field Mustard Annual, Biennial Forb/herb 1-3 ft. detail
Brickellia eupatorioides False Boneset Perennial Subshrub, Forb/herb 1-5 ft. detail
Buchnera floridana Florida Bluehearts 11-30 in. detail
Buglossoides arvensis Corn Gromwell Annual Forb/herb 6-20 in. detail
Burmannia biflora Northern Bluethread Annual Forb/herb 1-7 in. detail
Burmannia capitata White Burmannia Annual Forb/herb 1 1/4-6 in. detail
Callitriche heterophylla Twoheaded Water-starwort Annual, Perennial Forb/herb 2-15 in. (long) detail
Calopogon barbatus Bearded Grass-pink Perennial Forb/herb 1-2 ft. detail
Calopogon pallidus Pale Grass-pink Perennial Forb/herb 8-20 in. detail
Calopogon tuberosus Common Grass-pink Perennial Forb/herb 1-3 ft. detail
Caltha palustris Yellow Marsh Marigold Perennial Forb/herb 8-24 in. detail
Calystegia sepium Hedge False Bindweed Perennial Vine, Forb/herb to 7 ft. long detail
Camassia scilloides Atlantic Camas Perennial Forb/herb 1-2 ft. detail
Campanula americana Tall Bellflower 1.5-6 ft. detail
Campanula divaricata Appalachian Bellflower Perennial Forb/herb 8-30 in. detail
Capnoides sempervirens Pale Corydalis 11-32 in. detail
Capsella bursa-pastoris Common Shepherd’s Purse Annual Forb/herb 4-20 in. detail
Cardamine angustata Eastern Slender Toothwort Perennial Forb/herb 4-16 in. detail
Cardamine bulbosa Bulbous Bittercress Perennial Forb/herb 6-20 in. detail
Cardamine concatenata Cutleaf Toothwort Perennial Forb/herb 8-12 in. detail
Cardamine diphylla Broad-leaf Toothwort Perennial Forb/herb 6-15 in. detail
Cardamine douglassii Limestone Bittercress Perennial Forb/herb 3-15 in. detail
Cardamine flagellifera Blue Ridge Bittercress Perennial Forb/herb 4-10 in. detail
Cardamine hirsuta Hairy Bittercress Annual Forb/herb 3-15 in. detail
Cardamine parviflora var. arenicola Sand Bittercress Annual Forb/herb 3-15 in. detail
Cardamine pensylvanica Pennsylvania Bittercress Annual, Biennial, Perennial Forb/herb 6-22 in. detail
Carphephorus bellidifolius Sandywoods Chaffhead Perennial Forb/herb 1-1 3/4 ft. detail
Carphephorus odoratissimus Deer’s-tongue Perennial Forb/herb 1 1/2-5 ft. detail
Carphephorus paniculatus Hairy Chaffhead Perennial Forb/herb 1-4 ft. detail
Carphephorus tomentosus Carolina Chaffhead Perennial Forb/herb 1-2 ft. detail
Castilleja coccinea Eastern Indian-paintbrush Annual Forb/herb 1-2 ft. detail
Caulophyllum thalictroides Blue Cohosh Perennial Forb/herb 1-3 ft. detail
Centaurea cyanus Batchelor’s-buttons Annual Forb/herb 1-3 ft. detail
Centaurea stoebe ssp. micranthos Bushy Knapweed Biennial, Perennial Forb/herb 1-4 ft. detail
Centella asiatica Centella Perennial Forb/herb, Subshrub 1-6 ft. long detail
Centrosema virginianum Spurred Butterfly Pea Perennial Vine, Forb/herb to 5 ft. long detail
Cerastium fontanum ssp. vulgare Big Chickweed Biennial, Perennial Forb/herb 2-18 in. detail
Cerastium glomeratum Sticky Chickweed Annual Forb/herb 2-18 in. detail
Cerastium nutans Nodding Chickweed Annual, Perennial Forb/herb 4-16 in. detail
Chaerophyllum procumbens Spreading Chervil Annual Forb/herb 6-18 in. detail
Chaerophyllum tainturieri Hairyfruit Chervil Annual Forb/herb 1-3 ft. detail
Chamaecrista fasciculata Common Partridge Pea Annual Forb/herb 6-22 in. detail
Chamaecrista nictitans Sensitive Partridge Pea Annual, Perennial Subshrub, Forb/herb 4-20 in. detail
Chamaelirium luteum Fairy-wand Perennial Forb/herb 1-4 ft. detail
Chamaenerion angustifolium ssp. circumvagum Fireweed 2-8 ft. detail
Chaptalia tomentosa Woolly Sunbonnets Perennial Forb/herb 4-16 in. detail
Chelidonium majus Celandine Biennial Forb/herb 12-30 in. detail
Chelone cuthbertii Cuthbert’s Turtlehead Perennial Forb/herb 16-39 in. detail
Chelone glabra White Turtlehead Perennial Forb/herb 2-5 ft. detail
Chelone lyonii Pink Turtlehead Perennial Forb/herb 1-2 ft. detail
Chelone obliqua Red Turtlehead Perennial Forb/herb 2-3 ft.. detail
Chenopodium album Lamb’s-quarters Annual Forb/herb 1-10 ft. detail
Chimaphila maculata Spotted Wintergreen Perennial Subshrub 4-8 in. detail
Chimaphila umbellata var. cisatlantica Prince’s-pine 4-10 in. detail
Chrysogonum virginianum Green-and-gold Perennial Forb/herb 2-10 in. detail
Chrysopsis gossypina Cottonleaf Golden-aster Perennial Forb/herb to 3 ft. (long) detail
Chrysopsis mariana Maryland Golden-aster Perennial Forb/herb 1-2 ft. detail
Chrysosplenium americanum American Golden Saxifrage Perennial Forb/herb 2-12 in. detail
Cichorium intybus Blue-sailors Biennial, Perennial Forb/herb 1-3 ft. detail
Cicuta maculata Spotted Water Hemlock Biennial, Perennial Forb/herb 2-6 ft. detail
Circaea alpina Small Enchanter's Nightshade Perennial Forb/herb 3-10 in. detail
Circaea canadensis Canada Enchanter’s-nightshade 10-30 in. detail
Cirsium arvense Canada Thistle Perennial Forb/herb 1-3 ft. detail
Cirsium discolor Field Thistle Biennial, Perennial Forb/herb 2-8 ft. detail
Cirsium horridulum Yellow Thistle Annual, Biennial Forb/herb 3-8 ft. detail
Cirsium repandum Sandhill Thistle Perennial Forb/herb to 2 ft. detail
Cirsium vulgare Bull Thistle Biennial Forb/herb 3-6 ft. detail
Claytonia caroliniana Carolina Spring-beauty Perennial Forb/herb 2-12 in. detail
Claytonia virginica Eastern Spring-beauty Perennial Forb/herb 4-6 in. detail
Cleistes divaricata Large Spreading Pogonia Perennial Forb/herb 6-30 in. detail
Clematis ochroleuca Curlyheads Perennial Subshrub, Forb/herb 3 ft. detail
Cleome hassleriana Spiderflower Annual Forb/herb, Subshrub 3-5 ft. detail
Clinopodium coccineum Scarlet Wild Basil Perennial Shrub 2-4 ft. detail
Clinopodium georgianum Georgia Calamint Perennial Shrub 1-2 ft. detail
Clinopodium vulgare Wild Basil Perennial Forb/herb 8-20 in. detail
Clintonia borealis Bluebead Perennial Forb/herb 6-16 in. detail
Clintonia umbellulata Speckled Wood-lily Perennial Forb/herb 8-16 in. detail
Clitoria mariana Butterfly Pea Perennial Vine, Forb/herb to nearly 2 ft. long detail
Cnidoscolus stimulosus Bull-nettle 20-40 in. detail
Collinsonia canadensis Northern Horsebalm Perennial Forb/herb 2-3 ft. detail
Commelina communis Asiatic Dayflower Annual Forb/herb 12-32 in. detail
Commelina erecta Whitemouth Dayflower Perennial Forb/herb up to 2 ft. detail
Commelina virginica Virginia Dayflower Perennial Forb/herb 8-34 in. detail
Conium maculatum Poison Hemlock Biennial Forb/herb 3-7 ft. detail
Conoclinium coelestinum Blue Mistflower Perennial Forb/herb 1-3 ft. detail
Conopholis americana Bearcorn Perennial Forb/herb 4-10 in. detail
Convallaria majuscula American Lily-of-the-valley Perennial Forb/herb 6-11 in. detail
Convolvulus arvensis Cornbind Perennial Vine, Forb/herb 2-4 ft. detail
Conyza canadensis Canadian Horseweed Annual, Biennial Forb/herb to 6 ft. detail
Coptis trifolia Threeleaf Goldthread Perennial Forb/herb 3-6 in. detail
Corallorhiza maculata Summer Coralroot Perennial Forb/herb 8-20 in. detail
Corallorhiza odontorhiza Autumn Coralroot Perennial Forb/herb 4-8 in. detail
Corallorhiza wisteriana Spring Coralroot Perennial Forb/herb 4-17 in. detail
Coreopsis grandiflora Largeflower Tickseed Perennial Forb/herb 2-3 ft. detail
Coreopsis lanceolata Lanceleaf Tickseed Perennial Forb/herb 1-2 ft. detail
Coreopsis linifolia Savanna Coreopsis Perennial Forb/herb 1 1/2-3 1/2 ft. detail
Coreopsis major Greater Tickseed Perennial Forb/herb 2-3 ft. detail
Coreopsis pubescens Star Tickseed Perennial Forb/herb 2-4 ft. detail
Coreopsis rosea Pink Tickseed Perennial Forb/herb 1-2 ft. detail
Coreopsis tinctoria Golden Tickseed Annual, Biennial, Perennial Forb/herb 1-3 ft. detail
Coreopsis tripteris Tall Coreopsis Perennial Forb/herb 4-6 ft. detail
Coreopsis verticillata Whorled Tickseed Perennial Forb/herb 2-3 ft. detail
Corydalis flavula Short-spurred Corydalis Annual Forb/herb 4-12 in. detail
Crocanthemum canadense Canada Frostweed 4-14 in. detail
Crocanthemum carolinianum Carolina Sunrose to 1 ft. detail
Crocanthemum propinquum Creeping Sunrose 4-12 in. detail
Crocanthemum rosmarinifolium Rosemary Sunrose 8-18 in. detail
Croomia pauciflora Croomia Perennial Forb/herb 6-12 in. detail
Croptilon divaricatum Scratch-daisy Annual Forb/herb 1-4 1/2 ft. detail
Crotalaria pallida Smooth Rattlebox Perennial Subshrub, Forb/herb 3-5 ft. detail
Crotalaria sagittalis Common Rattlebox Annual, Perennial Subshrub, Forb/herb 6-15 in. detail
Crotalaria spectabilis Showy Rattlebox Annual Forb/herb 1 1/2-6 ft. detail
Croton argyranthemus Healing Croton Perennial Subshrub, Forb/herb 18-24 in. detail
Croton capitatus Capitate Croton Annual Forb/herb to 6 ft. detail
Croton glandulosus Vente Conmigo Annual Subshrub, Forb/herb to 2 ft. detail
Croton punctatus Beach-tea Perennial Subshrub, Forb/herb 1-4 ft. detail
Croton willdenowii Broadleaf Rushfoil 6-14 in. detail
Cryptotaenia canadensis Canadian Honewort Perennial Forb/herb 1-3 ft. detail
Cubelium concolor Green-violet 1-3 ft. detail
Cunila origanoides American-dittany Perennial Subshrub, Forb/herb 8-16 in. detail
Cuphea viscosissima Blue Waxweed Annual Forb/herb 10-20 in. detail
Cuscuta gronovii Common Dodder Perennial Vine, Forb/herb to 6 ft. detail
Cuscuta pentagona Fiveangled Dodder Annual, Perennial Vine, Forb/herb detail
Cuscuta rostrata Appalachian Dodder Perennial Vine, Forb/herb detail
Cuthbertia graminea Grassleaf Roseling 4-16 in. detail
Cyclospermum leptophyllum Marsh Parsley Annual Forb/herb 4-18 in. detail
Cynanchum angustifolium Gulf Coast Swallow-wort Perennial Vine, Forb/herb to 10 ft. long detail
Cynanchum laeve Bluevine Perennial Vine, Forb/herb 9-30 ft. long detail
Cynoglossum virginianum Wild Comfrey Perennial Forb/herb 11-30 in. detail
Cypripedium acaule Moccasin Flower Perennial Forb/herb 6-20 in. detail
Cypripedium parviflorum Lesser Yellow Ladys Slipper Perennial Forb/herb 6-20 in. detail
Dactylorhiza viridis Frog Orchid Perennial Forb/herb 4-20 in. detail
Dalea pinnata Summer Farewell Perennial Forb/herb 2-3 ft. detail
Datura stramonium Jimsonweed Annual Forb/herb, Subshrub 2-5 ft. detail
Daucus carota Queen Anne’s-lace Biennial Forb/herb 1-6 ft. detail
Delphinium carolinianum Carolina Larkspur Perennial Forb/herb 1-5 ft. detail
Delphinium exaltatum Tall Larkspur Perennial Forb/herb 3-6 ft. detail
Delphinium tricorne Dwarf Larkspur Perennial Forb/herb 12-20 in. detail
Desmodium canescens Hoary Tick-trefoil Perennial Forb/herb 2-4 ft. detail
Desmodium ciliare Hairy Small-leaf Ticktrefoil Perennial Forb/herb 1-5 ft. detail
Desmodium cuspidatum Largebract Ticktrefoil Perennial Forb/herb 1-4 ft. detail
Desmodium glabellum Dillenius’ Ticktrefoil Perennial Forb/herb 2-4 ft. detail
Desmodium glutinosum Clusterleaf Tick-trefoil Perennial Forb/herb 1-4 ft. detail
Desmodium laevigatum Smooth Tick-trefoil Perennial Forb/herb 1-3 ft. detail
Desmodium lineatum Matted Tick-trefoil Perennial Forb/herb 20-27 in. detail
Desmodium marilandicum Maryland Tick-trefoil Perennial Forb/herb 2-4 ft. detail
Desmodium nudiflorum Naked Tick-trefoil Perennial Forb/herb 4-12 in. and to 3 ft. (flowering stem) detail
Desmodium paniculatum Panicledleaf Ticktrefoil Perennial Forb/herb 1 1/2-3 1/2 ft. detail
Desmodium rotundifolium Prostrate Ticktrefoil Perennial Forb/herb 1 1/2-5 ft. long detail
Desmodium strictum Pine Barren Ticktrefoil Perennial Forb/herb 1 1/2-3 ft. detail
Desmodium tenuifolium Slimleaf Tick-trefoil Perennial Forb/herb 1 1/2-3 ft. detail
Desmodium viridiflorum Velvetleaf Ticktrefoil Perennial Subshrub, Forb/herb 2-5 ft. detail
Diamorpha smallii Elf-orpine Annual Forb/herb 3/4-4 in. detail
Dianthus armeria Deptford Pink Annual, Biennial Forb/herb 6-24 in. detail
Dicentra canadensis Squirrel Corn Perennial Forb/herb 4-12 in. detail
Dicentra cucullaria Dutchman’s Breeches Perennial Forb/herb 4-12 in. detail
Dicentra eximia Wild Bleeding-heart Perennial Forb/herb 1-2 ft. detail
Dichondra carolinensis Carolina Ponyfoot Perennial Forb/herb 1-2 in. detail
Dicliptera brachiata Branched Foldwing Annual, Perennial Forb/herb 1-3 ft. detail
Diodella teres Poorjoe 6-18 in. detail
Diodia virginiana Virginia Buttonweed Annual, Perennial Subshrub, Forb/herb 4-18 in. detail
Dionaea muscipula Venus Flytrap Perennial Forb/herb 6-10 in. detail
Dioscorea villosa Wild Yam Perennial Vine, Forb/herb to 23 ft. long detail
Diphylleia cymosa American Umbrellaleaf Perennial Forb/herb 1-3 ft. detail
Dipsacus fullonum Common Teasel Biennial Forb/herb 1 1/2-6 1/2 ft. detail
Dodecatheon meadia Eastern Shooting Star Perennial Forb/herb 6-20 in. detail
Doellingeria infirma Appalachian Flat-topped White Aster Perennial Forb/herb 1 1/2-3 1/2 ft. detail
Doellingeria sericocarpoides Southern Flat-topped Aster Perennial Forb/herb 3-6 ft. detail
Doellingeria umbellata Parasol Whitetop Perennial Forb/herb 2-6 ft. detail
Draba verna Spring Draba Annual Forb/herb 3/4-6 in. detail
Drosera brevifolia Dwarf Sundew Annual, Perennial Forb/herb 1-3 in. detail
Drosera capillaris Pink Sundew Perennial Forb/herb 1 1/2-12 in. detail
Drosera filiformis Threadleaf Sundew Perennial Forb/herb 3-12 in. detail
Drosera intermedia Spoonleaf Sundew Perennial Forb/herb 1-3 in. detail
Drosera rotundifolia Roundleaf Sundew Perennial Forb/herb 3-12 in. detail
Dysphania ambrosioides Epazote Annual, Perennial Forb/herb, Subshrub 1-4 1/2 ft. detail
Echinacea laevigata Smooth Purple Coneflower Perennial Forb/herb 1 1/2-4 ft. detail
Echinacea purpurea Eastern Purple Coneflower Perennial Forb/herb 1.5-4 ft. detail
Echinocystis lobata Wild Balsam-apple Annual Vine, Forb/herb 2-10 ft. (long) detail
Echinodorus cordifolius Creeping Burhead Perennial Forb/herb to 3 ft. above water detail
Echinodorus tenellus Dwarf-burhead Perennial Forb/herb 2-4 in. detail
Echium vulgare Blueweed Annual, Biennial, Perennial Forb/herb 12-32 in. detail
Eclipta prostrata False Daisy Annual, Perennial Forb/herb to 2 ft. detail
Eichhornia crassipes Common Water Hyacinth Perennial Forb/herb to 6 in. detail
Elephantopus carolinianus Carolina Elephantsfoot Perennial Forb/herb 1-3 ft. detail
Elephantopus elatus Southern Elephant’s-foot Perennial Forb/herb 1-4 ft. detail
Elephantopus nudatus Coastal Plain Elephant’s-foot Perennial Forb/herb 8-24 in. detail
Elephantopus tomentosus Devil’s Grandmother Perennial Forb/herb 8-24 in. detail
Endodeca serpentaria Virginia Snakeroot 4-24 in. detail
Enemion biternatum Eastern False Rue Anemone Perennial Forb/herb 8-16 in. detail
Epidendrum magnoliae Green Fly Orchid Perennial Forb/herb 2-11 in. detail
Epifagus virginiana Beechdrops Annual Forb/herb 4-18 in. detail
Epigaea repens Trailing Arbutus Perennial Subshrub, Shrub 4-6 in. detail
Epilobium coloratum Bronze Willow-herb Perennial Forb/herb 1-3 ft. detail
Epipactis helleborine Broad-leaved Helleborine Perennial Forb/herb 10-30 in. detail
Erechtites hieraciifolius American burnweed to 8 ft. detail
Erigenia bulbosa Erigenia Annual, Perennial Forb/herb 3-10 in. detail
Erigeron annuus Annual Fleabane Annual Forb/herb 2-5 ft. detail
Erigeron philadelphicus Philadelphia Fleabane Biennial, Perennial Forb/herb 6-30 in. detail
Erigeron pulchellus Robin's Plantain Perennial Forb/herb 1 1/2-2 ft. detail
Erigeron quercifolius Oak-leaved Fleabane Annual Forb/herb 4-26 in. detail
Erigeron strigosus Prairie Fleabane Annual, Biennial, Perennial Forb/herb 1-4 ft. detail
Erigeron vernus Early Whitetop Fleabane Perennial Forb/herb 18-24 in. detail
Eriocaulon compressum Flattened Pipewort Perennial Forb/herb 8-18 in. detail
Eriocaulon decangulare Tenangle Pipewort Perennial Forb/herb 12-32 in. detail
Eriogonum allenii Shale Barren Buckwheat Perennial Forb/herb 11-18 in. detail
Eriogonum tomentosum Dog-tongue Perennial Forb/herb 1-3 ft. detail
Erodium cicutarium Alfileria Annual, Biennial Forb/herb 8-12 in. detail
Eryngium aquaticum Rattlesnakemaster Biennial Forb/herb 1-4 ft. detail
Eryngium integrifolium Blueflower Eryngo Perennial Forb/herb 1-2 ft. detail
Eryngium prostratum Creeping Eryngo Perennial Forb/herb 2-3 in.; stems to 16 in. long detail
Eryngium yuccifolium Northern Rattlesnake-master Perennial Forb/herb 2-4 ft. detail
Erythrina herbacea Coral Bean Perennial Tree, Subshrub, Shrub to 5 ft. detail
Erythronium albidum White Trout Lily Perennial Forb/herb 4-8 in. detail
Erythronium americanum Dogtooth Violet Perennial Forb/herb 4-10 in. detail
Erythronium umbilicatum Dimpled Troutlily Perennial Forb/herb 4-10 in. detail
Eupatorium album White Thoroughwort Perennial Forb/herb to 3 ft. detail
Eupatorium capillifolium Common Dog-fennel Perennial Forb/herb 1 1/2-6 ft. detail
Eupatorium compositifolium Coastal Dog-fennel Perennial Forb/herb to 6 1/2 ft. detail
Eupatorium glaucescens Broadleaf Bushy Eupatorium Perennial Forb/herb 1-2 1/2 ft. detail
Eupatorium hyssopifolium Hyssopleaf Eupatorium Perennial Forb/herb 1-3 ft. detail
Eupatorium leucolepis Justiceweed Perennial Forb/herb 15-36 in. detail
Eupatorium linearifolium Narrowleaf Bushy Eupatorium 1-3 ft. detail
Eupatorium mohrii Mohr’s Eupatorium Perennial Forb/herb 2-3 ft. detail
Eupatorium perfoliatum Boneset Perennial Forb/herb 3-4 ft. detail
Eupatorium pilosum Ragged Eupatorium Perennial Forb/herb 1-5 ft. detail
Eupatorium pubescens Inland Roundleaf Eupatorium 1-4 ft. detail
Eupatorium rotundifolium Roundleaf Thoroughwort Perennial Forb/herb 3-4 1/2 ft. detail
Eupatorium semiserratum Smallflower Thoroughwort Perennial Forb/herb 1 1/2-5 ft. detail
Eupatorium serotinum Late Eupatorium Perennial Forb/herb 3-6 ft. detail
Eupatorium sessilifolium Upland Boneset Perennial Forb/herb 2-5 ft. detail
Eupatorium torreyanum Torrey’s Eupatorium 2-4 ft. detail
Euphorbia corollata Eastern Flowering Spurge Perennial Forb/herb 1 1/2-3 ft. detail
Euphorbia curtisii White Sandhills Spurge Perennial Shrub 8-15 in. detail
Euphorbia cyparissias Graveyard Spurge Perennial Forb/herb 6-12 in. detail
Euphorbia dentata Toothed Spurge Annual Forb/herb 3/4-2 ft. detail
Euphorbia ipecacuanhae American Ipecac Perennial Forb/herb 6-12 in. detail
Euphorbia maculata Milk-purslane 2-4 in. detail
Euphorbia nutans Eyebane 8-36 in. detail
Euphorbia polygonifolia Northern Sandmat 2-4 in. detail
Euphorbia pubentissima False Flowering Spurge Perennial Forb/herb 11-22 in. detail
Eurybia chlorolepis Blue Ridge White Heart-leaved Aster Perennial Forb/herb 8-30 in. detail
Eurybia divaricata White Wood Aster Perennial Forb/herb 1-2 ft. detail
Eurybia macrophylla Big-leaved Aster Perennial Forb/herb 1-3 1/2 ft. detail
Eurybia paludosa Southern Swamp Wood-aster Perennial Forb/herb 1-2 1/2 ft. detail
Euthamia caroliniana Slender Goldentop Perennial Forb/herb 1-3 ft. detail
Euthamia graminifolia Flat-top Goldentop Perennial Forb/herb 2-3 1/2 ft. detail
Eutrochium dubium Coastal Plain Joe-pye-weed Perennial Forb/herb 3-4 ft. detail
Eutrochium fistulosum Hollow-stem Joe-pye-weed Perennial Forb/herb 5-8 ft. detail
Eutrochium purpureum Purple Joe-pye-weed Perennial Forb/herb 3-6 ft. detail
Fallopia cilinodis Fringed Black Bindweed to 6 ft. (long) detail
Fallopia convolvulus Bindweed to 3 ft. long detail
Fallopia scandens Common Climbing Buckwheat to 20 ft. detail
Fatoua villosa Crabweed Annual Forb/herb 5-48 in. detail
Filipendula rubra Queen-of-the-Prairie Perennial Forb/herb 2-6 ft. detail
Floerkea proserpinacoides False-mermaid Annual Forb/herb to 1 ft. detail
Foeniculum vulgare Fennel Biennial, Perennial Forb/herb 3-5 ft. detail
Fragaria virginiana Virginia Strawberry Perennial Forb/herb 1-3 in. detail
Frasera caroliniensis American Columbo Perennial Forb/herb 3-9 ft. detail
Froelichia floridana Common Cottonweed Annual Forb/herb 1 1/2-6 ft. detail
Gaillardia pulchella Blanket-flower Annual, Biennial, Perennial Subshrub, Forb/herb 1-2 ft. detail
Galactia erecta Erect Milkpea Perennial Forb/herb, Vine 8-16 in. detail
Galactia regularis Eastern Milkpea Perennial Forb/herb, Vine to 10 ft. long detail
Galax urceolata Beetleweed Perennial Subshrub, Shrub, Forb/herb 8-15 in. detail
Galearis spectabilis Showy Orchid Perennial Forb/herb 2-9 in. detail
Galinsoga quadriradiata Common Peruvian-daisy Annual Forb/herb 6--24 in. detail
Galium aparine Cleavers Annual Vine, Forb/herb to 5 ft. detail
Galium bermudense Coastal Bedstraw 6-24 in. detail
Galium circaezans Forest Bedstraw Perennial Subshrub, Forb/herb 6-22 in. detail
Galium lanceolatum Lanceleaf Wild Licorice Perennial Forb/herb 12-28 in. detail
Galium latifolium Purple Bedstraw Perennial Forb/herb 10-22 in. detail
Galium mollugo Hedge Bedstraw Perennial Forb/herb 1-2 1/2 ft. (long) detail
Galium obtusum Bluntleaf Bedstraw Perennial Forb/herb 6-18 in. detail
Galium pilosum Hairy Bedstraw Perennial Forb/herb 6-30 in. detail
Galium tinctorium Southern Three-lobed Bedstraw Perennial Forb/herb 6-30 in. detail
Galium triflorum Fragrant Bedstraw Perennial Forb/herb, Vine 1-3 ft. detail
Galium verum Our Lady’s Bedstraw Perennial Vine, Forb/herb 1-3 ft. detail
Gamochaeta purpurea Spoonleaf Purple Everlasting Annual, Biennial Forb/herb 4-15 in. detail
Gaultheria procumbens Eastern Teaberry Perennial Subshrub, Shrub 2–6 in. detail
Gentiana autumnalis Pine Barren Gentian Perennial Forb/herb 6-24 in. detail
Gentiana catesbaei Elliott’s Gentian Perennial Forb/herb 1-2 ft. detail
Gentiana decora Appalachian Gentian Perennial Forb/herb 11-25 in. detail
Gentiana saponaria Soapwort Gentian Perennial Forb/herb 8-24 in. detail
Gentiana villosa Striped Gentian Perennial Forb/herb 8-22 in. detail
Gentianella quinquefolia Appalachian Gentianella Annual, Perennial Forb/herb 6-20 in. detail
Geranium carolinianum Carolina Crane’s-bill Annual, Biennial Forb/herb 4-24 in. detail
Geranium columbinum Long-stalk Crane’s-bill Annual Forb/herb 6-26 in. detail
Geranium dissectum Cutleaf Crane’s-bill Annual, Biennial Forb/herb 6-24 in. detail
Geranium maculatum Wild Geranium Perennial Forb/herb 8-24 in. detail
Geranium molle Dove’s-foot Crane’s-bill Annual, Biennial, Perennial Forb/herb 6-12 in. detail
Geum canadense White Avens Perennial Forb/herb 1 1/2-2 1/2 ft. detail
Geum geniculatum Bent Avens Perennial Forb/herb 1 1/2-2 1/2 ft. detail
Geum laciniatum Rough Avens Perennial Forb/herb 1 1/2-3 ft. detail
Geum radiatum Cliff Avens Perennial Forb/herb 8-20 in. detail
Geum vernum Spring Avens Perennial Forb/herb 1 1/2-2 ft. detail
Geum virginianum Cream Avens Perennial Forb/herb 1-3 ft. detail
Gillenia trifoliata Mountain Indian-physic Perennial Forb/herb, Subshrub 2-3 ft. detail
Glandularia pulchella Moss Vervain Annual, Perennial Subshrub, Forb/herb to 12 in. (long) detail
Glechoma hederacea Gill-over-the-ground Perennial Forb/herb to 2 ft. (long) detail
Gonolobus suberosus Eastern Anglepod Climbs to 15 ft. detail
Goodyera pubescens Downy Rattlesnake Plantain Perennial Forb/herb 4-15 in. detail
Goodyera repens Lesser Rattlesnake Plantain Perennial Forb/herb 4-9 in. detail
Gratiola neglecta Clammy Hedgehyssop Annual Forb/herb 4-15 in. detail
Gratiola ramosa Branched Hedgehyssop Perennial Forb/herb 4-12 in. detail
Gratiola virginiana Round-fruit Hedge-hyssop Annual, Biennial Forb/herb 4-16 in. (long) detail
Gratiola viscidula Short’s Hedge-hyssop Perennial Forb/herb 4-20 in. detail
Habenaria repens Floating Orchid Perennial Forb/herb 4-20 in. detail
Hackelia virginiana Beggarslice Biennial, Perennial Forb/herb 2-4 ft. detail
Harperella nodosa Harperella 6-36 in. detail
Hedeoma pulegioides American False Pennyroyal Annual Forb/herb 4-16 in. detail
Helenium amarum Sneezeweed Annual Forb/herb 1-2 ft. detail
Helenium autumnale Common Sneezeweed Perennial Forb/herb 2-5 ft. detail
Helenium flexuosum Purplehead Sneezeweed Perennial Forb/herb 1-3 ft. detail
Helianthus angustifolius Swamp Sunflower Perennial Forb/herb 1-6 ft. detail
Helianthus annuus Common Sunflower Annual Forb/herb 2-10 ft. detail
Helianthus atrorubens Purpledisk Sunflower Perennial Forb/herb 2 1/2-6 1/2 ft. detail
Helianthus decapetalus Forest Sunflower Perennial Forb/herb 2-5 ft. (occasionally to 8 ft.) detail
Helianthus divaricatus Woodland Sunflower Perennial Forb/herb 2-7 ft. detail
Helianthus giganteus Giant Sunflower Perennial Forb/herb 2-10 ft. (occasionally up to 13 ft.) detail
Helianthus grosseserratus Sawtooth Sunflower Perennial Forb/herb 3-8 ft. detail
Helianthus hirsutus Hairy Sunflower Perennial Forb/herb 2 1/2-6 ft. detail
Helianthus microcephalus Small-headed Sunflower Perennial Forb/herb 2-6 1/2 ft. (occasionally taller) detail
Helianthus porteri Confederate Daisy Annual Forb/herb 1 1/2-3 ft. detail
Helianthus strumosus Paleleaf Woodland Sunflower Perennial Forb/herb 3-9 ft. detail
Helianthus tuberosus Jerusalem Artichoke Perennial Forb/herb 3-11 ft. detail
Heliopsis helianthoides Smooth Oxeye Perennial Forb/herb 2-5 ft. detail
Helonias bullata Swamp Pink Perennial Forb/herb 1-2 ft. (taller with fruiting) detail
Hemerocallis fulva Orange Day-lily Perennial Forb/herb 1 1/2-5 ft. detail
Heracleum maximum American Hogweed Perennial Forb/herb 3-10 ft. detail
Hesperis matronalis Dame’s Rocket Biennial, Perennial Forb/herb 2-3 ft. detail
Heteranthera reniformis Kidneyleaf Mudplantain Perennial Forb/herb to 3 1/2 in. (tall) detail
Heterotheca subaxillaris Camphorweed Annual Forb/herb 2-6 1/2 ft. detail
Heuchera americana American Alumroot Perennial Forb/herb 6-10 in. detail
Heuchera parviflora Littleflower Alumroot Perennial Forb/herb 4-18 in. detail
Heuchera villosa Hairy Alumroot Perennial Forb/herb 8-12 in. detail
Hexalectris spicata Brunetta Perennial Forb/herb 1-2 1/2 ft. detail
Hexastylis arifolia Little Brown Jug Perennial Forb/herb 2-6 in. detail
Hexastylis heterophylla Variable-leaf Heartleaf Perennial Forb/herb 2-6 in. detail
Hexastylis minor Little Heartleaf Perennial Forb/herb 3-6 in. detail
Hexastylis shuttleworthii Large-flower Heartleaf Perennial Forb/herb 4-8 in. detail
Hexastylis sorriei Sandhill Heartleaf Perennial Forb/herb 3-6 in. detail
Hexastylis virginica Virginia Heartleaf Perennial Forb/herb 4-8 in. detail
Hibiscus aculeatus Savanna Rose-mallow Perennial Forb/herb 3-6 ft. detail
Hibiscus coccineus Scarlet Rose-mallow Perennial Forb/herb 4-7 ft. detail
Hibiscus laevis Halberd-leaved Marsh-mallow Perennial Forb/herb 2-11 ft. detail
Hibiscus moscheutos Crimson-eyed Rose-mallow Annual, Perennial Subshrub, Forb/herb 4-6 ft. detail
Hieracium aurantiacum Devil’s-paintbrush Perennial Forb/herb 5-18 in. detail
Hieracium caespitosum Meadow Hawkweed Perennial Forb/herb 8-30 in. detail
Hieracium gronovii Beaked Hawkweed Perennial Forb/herb 1-3 ft. detail
Hieracium marianum Maryland Hawkweed Perennial Forb/herb 8-24 in. detail
Hieracium paniculatum Allegheny Hawkweed Perennial Forb/herb 1-3 ft. detail
Hieracium scabrum Rough Hawkweed Perennial Forb/herb 1-3 1/2 ft. detail
Hieracium venosum Rattlesnakeweed Perennial Forb/herb 10-32 in. detail
Holosteum umbellatum Annual Forb/herb 2-10 in. detail
Houstonia caerulea Azure Bluet Perennial Forb/herb 2-6 in. detail
Houstonia longifolia Longleaf Summer Bluet Perennial Forb/herb 4-10 in. detail
Houstonia procumbens Creeping Bluet Perennial Forb/herb to 12 in. long detail
Houstonia purpurea Summer Bluet Perennial Forb/herb 4-12 in. detail
Houstonia pusilla Tiny Bluet Annual Forb/herb 1-4 in. detail
Houstonia serpyllifolia Appalachian Bluet Perennial Forb/herb 4-7 in. detail
Houstonia tenuifolia Diffuse-branched Bluet 6-12 in. detail
Hudsonia tomentosa Woolly Beach-heather Perennial Subshrub, Shrub 4-8 in. detail
Hydatica petiolaris Cliff Saxifrage 4-15 in. detail
Hydrastis canadensis Golden-seal Perennial Forb/herb 10-15 in. detail
Hydrocotyle americana American Water-pennywort Perennial Forb/herb 2-5 in. detail
Hydrocotyle bonariensis Dune Pennywort Perennial Forb/herb 6-10 in. detail
Hydrocotyle ranunculoides Swamp Water-pennywort Perennial Forb/herb 4-12 in. detail
Hydrocotyle sibthorpioides Lawn Marshpennywort Perennial Forb/herb 2-5 in. detail
Hydrocotyle umbellata Marsh Water-pennywort Perennial Forb/herb 3-8 in. detail
Hydrocotyle verticillata Perennial Forb/herb 3-8 in. detail
Hydrolea quadrivalvis Waterpod Perennial Forb/herb to 1 1/2 ft. detail
Hydrophyllum canadense Bluntleaf Waterleaf Perennial Forb/herb 8-28 in. detail
Hydrophyllum macrophyllum Hairy Waterleaf Perennial Forb/herb 1-2 1/2 ft. detail
Hydrophyllum virginianum Eastern Waterleaf Perennial Forb/herb 8-34 in. detail
Hylotelephium telephioides Allegheny Live-for-ever Perennial Forb/herb 6-12 in. detail
Hymenocallis coronaria Cahaba Lily Perennial Forb/herb 1-4 ft. detail
Hymenocallis occidentalis Hammock Spiderlily Perennial Forb/herb 12-18 in. detail
Hypericum canadense Canada St. John’s-wort Annual Forb/herb 4-24 in. detail
Hypericum denticulatum Coppery St. John’s-wort Perennial Forb/herb 8-24 in. detail
Hypericum drummondii Drummond’s St. John’s-wort Annual Forb/herb 4-20 in. detail
Hypericum gentianoides Orange-grass Annual Forb/herb 6-20 in. detail
Hypericum mutilum Common Dwarf St. John’s-wort Annual, Perennial Forb/herb 4-18 in. detail
Hypericum perforatum Common St. Johnswort Perennial Forb/herb 1- 2 1/2 ft. detail
Hypericum punctatum Spotted St. John’s-wort Perennial Forb/herb 1-2 1/2 ft. detail
Hypericum virgatum Sharpleaf St. Johnswort Perennial Forb/herb 8-30 in. detail
Hypericum virginicum Common Marsh St. John’s-wort 8-25 in. detail
Hypericum walteri Walter’s Marsh St. John’s-wort 1-3 ft. detail
Hypochaeris radicata Hairy Cat’s Ear Perennial Forb/herb 1-2 ft. detail
Hypopitys monotropa Pinesap 2-8 in. detail
Hypoxis hirsuta Common Goldstar Perennial Forb/herb 4-8 in. detail
Hyptis alata Cluster Bushmint Perennial Forb/herb 1-9 ft. detail
Impatiens capensis Jewelweed Annual Forb/herb 3-5 ft. detail
Impatiens pallida Pale Touch-me-not Annual Forb/herb 2-6 ft. detail
Ionactis linariifolius Stiff-leaved Aster Perennial Forb/herb 12-18 in. detail
Ipomoea coccinea Red Morning-glory Annual Vine, Forb/herb to 10 ft. (long) detail
Ipomoea hederacea Ivyleaf Morning-glory Annual Vine, Forb/herb to 6 ft. (long) detail
Ipomoea imperati Beach Morning-glory Perennial Vine, Forb/herb to 6 in. (to 75 ft. long) detail
Ipomoea lacunosa White Morning-glory Annual Vine, Forb/herb 2-10 ft. detail
Ipomoea pandurata Man Of The Earth Perennial Vine, Forb/herb 4-16 ft. detail
Ipomoea purpurea Common Morning-glory Annual Vine, Forb/herb to 10 ft. (long) detail
Ipomoea quamoclit Cypress-vine Annual Vine, Forb/herb 6-10 ft. detail
Ipomoea sagittata Saltmarsh Morning-glory Perennial Vine, Forb/herb 6 ft. or more long detail
Ipomopsis rubra Standing-cypress Biennial Forb/herb 2-6 ft. detail
Iris cristata Dwarf Crested Iris Perennial Forb/herb 4-6 in. detail
Iris domestica Blackberry-lily 1-3 ft. detail
Iris germanica German Iris Perennial Forb/herb 2-3 ft. detail
Iris pseudacorus Paleyellow Iris Perennial Forb/herb 3-4 ft. detail
Iris verna Dwarf Violet Iris Perennial Forb/herb 3-6 in. detail
Isotria medeoloides Small Whorled Pogonia Perennial Forb/herb 3-10 in. detail
Isotria verticillata Large Whorled Pogonia Perennial Forb/herb 7-13 in. detail
Jeffersonia diphylla Twinleaf Perennial Forb/herb 6-11 in. detail
Justicia americana American Water-willow Perennial Forb/herb 1-3 ft. detail
Justicia ovata Looseflower Water-willow Perennial Forb/herb 1-3 ft. detail
Kosteletzkya pentacarpos Seashore-mallow 1-5 ft. detail
Krigia cespitosa Opposite-leaf Dwarf-dandelion 4-18 in. detail
Krigia dandelion Colonial Dwarf-dandelion Perennial Forb/herb to 12 in. detail
Krigia montana Mountain Dwarf-dandelion Perennial Forb/herb 4-15 in. detail
Krigia virginica Virginia Dwarf-dandelion Annual Forb/herb 1-12 in. detail
Kummerowia stipulacea Korean Clover Annual Forb/herb 4-22 in. detail
Kummerowia striata Common Lespedeza Annual Forb/herb to 6 ft. (long) detail
Lachnanthes caroliniana Redroot 1-3 ft. detail
Lachnocaulon anceps Common Bogbuttons Perennial Forb/herb 2-12 in. detail
Lactuca biennis Tall Blue Lettuce Annual, Biennial Forb/herb 3-15 ft. detail
Lactuca canadensis American Wild Lettuce Annual, Biennial Forb/herb 4-10 ft. detail
Lactuca floridana Woodland Lettuce Annual, Biennial Forb/herb 1 1/2-6 1/2 ft. detail
Lactuca graminifolia Grassleaf Lettuce Biennial, Perennial Forb/herb 1 1/2-3 ft. detail
Lactuca serriola Prickly Lettuce Annual, Biennial Forb/herb 1-6 1/2 ft. detail
Lamium amplexicaule Henbit Annual, Biennial Forb/herb 4-16 in. detail
Lamium purpureum Purple Dead-nettle Annual Forb/herb to 2 1/2 ft. (long) detail
Laportea canadensis Canadian Woodnettle Perennial Forb/herb 1-3.5 ft. detail
Lathyrus hirsutus Caley Pea Annual Vine, Forb/herb 1-2 1/2 ft. detail
Lathyrus latifolius Everlasting Pea Perennial Vine, Forb/herb 3-6 ft. long detail
Lechea minor Thymeleaf Pinweed Perennial Forb/herb 4-28 in. detail
Lechea mucronata Hairy Pinweed Perennial Forb/herb 8-36 in. detail
Lechea racemulosa Illinois Pinweed Perennial Forb/herb 4-32 in. detail
Lechea sessiliflora Pineland Pinweed Annual, Perennial Forb/herb 4-39 in. detail
Lechea tenuifolia Narrowleaf Pinweed Perennial Forb/herb 4-15 in. detail
Leonurus cardiaca Common Motherwort Perennial Forb/herb 2-4 ft. detail
Lepidium campestre Cow Cress Annual, Biennial Forb/herb 8-18 in. detail
Lepidium virginicum Virginia Pepperweed Annual, Biennial, Perennial Forb/herb 4-20 in. detail
Lespedeza angustifolia Narrow-leaved Lespedeza Perennial Forb/herb to 4 1/2 ft. detail
Lespedeza bicolor Bicolor Lespedeza Perennial Subshrub, Forb/herb 3-10 ft. detail
Lespedeza capitata Bush-clover Perennial Forb/herb 1 1/2-5 ft. detail
Lespedeza cuneata Chinese Lespedeza Perennial Subshrub, Forb/herb 2-5 ft. detail
Lespedeza hirta Hairy Lespedeza Perennial Forb/herb 1 1/2-3 ft. detail
Lespedeza repens Creeping Lespedeza Perennial Forb/herb 1-3 ft. detail
Lespedeza stuevei Tall Lespedeza Perennial Forb/herb 2-5 ft. detail
Lespedeza violacea Wand Lespedeza Perennial Forb/herb 8-24 in. detail
Lespedeza virginica Slender Lespedeza Perennial Forb/herb 1-2 1/2 ft. detail
Leucanthemum vulgare Common Daisy Perennial Forb/herb 1-3 ft. detail
Liatris cokeri Sandhill’s Blazing Star Perennial Forb/herb to 2 1/2 ft. detail
Liatris elegans Pinkscale Blazing Star Perennial Forb/herb 1-4 ft. detail
Liatris pilosa Shaggy Blazing Star Perennial Forb/herb 1-3 ft. detail
Liatris spicata Sessile Blazing-star Perennial Forb/herb 1-4 ft. detail
Liatris squarrosa Scaly Blazing Star Perennial Forb/herb 1-2 1/2 ft. detail
Liatris squarrulosa Southern Blazing-star Perennial Forb/herb 2 to 6 ft. detail
Ligusticum canadense American Lovage Perennial Forb/herb 2-6 ft. detail
Lilaeopsis chinensis Eastern Grasswort Perennial Forb/herb 4-10 in. detail
Lilium canadense Canada Lily Perennial Forb/herb 2-6 ft. detail
Lilium catesbaei Pine Lily Perennial Forb/herb 1-3 ft. detail
Lilium grayi Gray’s Lily Perennial Forb/herb 2-5 ft. detail
Lilium michauxii Carolina Lily Perennial Forb/herb 18 in.-3 1/2 feet detail
Lilium philadelphicum Wood Lily Perennial Forb/herb 1-3 ft. detail
Lilium pyrophilum Sandhills Lily Perennial Forb/herb 3-5 ft. detail
Lilium superbum Turk’s-cap Lily Perennial Forb/herb 3-7 ft. detail
Limonium carolinianum Carolina Sea-lavender Perennial Forb/herb 8-28 in. detail
Linaria vulgaris Butter And Eggs Perennial Forb/herb 1-2 ft. detail
Lindernia dubia Yellowseed False Pimpernel Annual, Biennial Forb/herb 4-8 in. detail
Linum floridanum Florida Yellow Flax Perennial Forb/herb 1-2 ft. detail
Linum medium var. texanum Stiff Yellow Flax Annual, Perennial Forb/herb 8-28 in. detail
Linum striatum Ridged Yellow Flax Perennial Forb/herb 1-4 ft. detail
Linum virginianum Virginia Yellow Flax Perennial Forb/herb 8-30 in. detail
Liparis liliifolia Lily-leaf Twayblade Perennial Forb/herb to 1 ft. detail
Listera australis Southern Twayblade Perennial Forb/herb 3-8 in. detail
Listera smallii Appalachian Twayblade Perennial Forb/herb 3-8 in. detail
Lithospermum canescens Hoary Puccoon Perennial Forb/herb 4-20 in. detail
Lithospermum caroliniense Carolina Puccoon Perennial Forb/herb 1-3 ft. detail
Lobelia cardinalis Cardinal Flower Perennial Forb/herb 2-4 ft. detail
Lobelia elongata Longleaf Lobelia Perennial Forb/herb 1-4 ft. detail
Lobelia georgiana Southern lobelia 1-3 ft. detail
Lobelia glandulosa Glade Lobelia Perennial Forb/herb 1.5-3 ft. detail
Lobelia inflata Indian-tobacco Annual Forb/herb 6-36 in. detail
Lobelia nuttallii Nuttall’s Lobelia Perennial Forb/herb 8-30 in. detail
Lobelia puberula Downy Lobelia Perennial Forb/herb 2-4 ft. detail
Lobelia siphilitica Great Blue Lobelia Perennial Forb/herb 1.5-4 ft. detail
Lobelia spicata Pale Spiked Lobelia Perennial Forb/herb 1-3 ft. detail
Lophiola aurea Golden Crest Perennial Forb/herb 1-2 1/2 ft. detail
Lotus corniculatus Bird’s-foot Trefoil Perennial Forb/herb 1 1/2-2 ft. detail
Ludwigia alternifolia Alternate-leaf Seedbox Perennial Forb/herb 2-4 ft. detail
Ludwigia decurrens Wingleaf Primrose-willow Annual, Perennial Forb/herb 1-7 ft. detail
Ludwigia palustris Common Water-purslane Perennial Forb/herb 3-12 in. detail
Lupinus diffusus Blue Sandhill Lupine Perennial Subshrub, Forb/herb 8-24 in. detail
Lupinus perennis Lupinus perennis Perennial Forb/herb 8-30 in. detail
Lupinus villosus Lady Lupine Perennial Subshrub, Forb/herb 8-24 in. detail
Lycopus americanus American Bugleweed Perennial Forb/herb 1-3 ft. detail
Lycopus rubellus Stalked Bugleweed Perennial Forb/herb 1-4 ft. detail
Lycopus uniflorus Northern Bugleweed Perennial Forb/herb 8-36 in. detail
Lycopus virginicus Virginia Bugleweed Perennial Forb/herb 8-36 in. detail
Lysimachia arvensis Common Pimpernel 4-12 in. detail
Lysimachia asperulifolia Roughleaf Loosestrife Perennial Forb/herb 1-2 1/2 ft. detail
Lysimachia ciliata Fringed Loosestrife Perennial Forb/herb 1-4 ft. detail
Lysimachia hybrida Lowland Loosestrife Perennial Forb/herb 1-3 ft. detail
Lysimachia lanceolata Lanceleaf Loosestrife Perennial Forb/herb 1-2 ft. detail
Lysimachia nummularia Creeping Jenny Perennial Forb/herb 2–4 in. (to 2 ft. long) detail
Lysimachia quadrifolia Whorled Loosestrife Perennial Forb/herb 1-3 ft. detail
Lysimachia terrestris Bog Loosestrife Perennial Forb/herb 1-3 ft. detail
Lythrum lineare Narrowleaf Loosestrife Perennial Forb/herb 18-48 in. detail
Lythrum salicaria Purple Loosestrife Perennial Subshrub, Forb/herb 4-10 ft. detail
Maianthemum canadense Canada Mayflower Perennial Forb/herb 1 1/2-7 in. detail
Maianthemum racemosum Solomon’s-plume Perennial Forb/herb 10-24 in. detail
Maianthemum stellatum Starflower Perennial Forb/herb 8-24 in. detail
Malaxis unifolia Green Adder’s-mouth Perennial Forb/herb 1-20 in. detail
Malva neglecta Cheeses Annual, Biennial, Perennial Forb/herb 6-24 in. detail
Manfreda virginica Eastern False-aloe Perennial Subshrub, Forb/herb 3-6 ft. detail
Marshallia graminifolia Grassleaf Barbara’s Buttons Perennial Forb/herb 12-18 in. detail
Marshallia obovata Spoonshape Barbara's Buttons Perennial Forb/herb 1-2 ft. detail
Matelea carolinensis Carolina Spinypod Perennial Vine, Forb/herb 4-5 ft. (long) detail
Matelea obliqua Limerock Milkvine Perennial Vine, Forb/herb 4-5 ft. (long) detail
Mayaca fluviatilis Bogmoss Perennial Forb/herb to 2 ft. (long) detail
Mazus pumilus Japanese mazus Annual Forb/herb 2-7 in. detail
Mecardonia acuminata Axilflower Perennial Subshrub, Forb/herb 4-20 in. detail
Medeola virginiana Indian Cucumber Perennial Forb/herb 8-24 in. detail
Medicago lupulina Black Medick Annual, Perennial Forb/herb to 2 1/2 ft. detail
Medicago sativa Alfalfa Annual, Perennial Forb/herb 1-3 ft. detail
Melampyrum lineare Narrowleaf Cowwheat Annual Forb/herb 4-16 in. detail
Melanthium hybridum Slender Bunchflower 1-4 ft. detail
Melanthium parviflorum Appalachian Bunchflower 1-5 ft. detail
Melanthium virginicum Virginia Bunchflower 2-5 ft. detail
Melilotus albus White Melilot to 6 ft. detail
Melilotus officinalis Ribbed Melilot Annual, Biennial, Perennial Forb/herb 2-7 ft. detail
Melothria pendula Creeping Cucumber Perennial Vine, Forb/herb to 15 ft. long detail
Mertensia virginica Virginia Bluebells Perennial Forb/herb 12-28 in. detail
Micranthes careyana Carey Saxifrage 4-15 in. detail
Micranthes micranthidifolia Branch-lettuce 10-20 in. detail
Micranthes pensylvanica Swamp Saxifrage 11-30 in.. detail
Micranthes virginiensis Early Saxifrage 4-18 in. detail
Mimosa microphylla Eastern Sensitive-briar Perennial Vine, Forb/herb 3-6 ft. (long) detail
Mimulus alatus Sharpwing Monkeyflower Perennial Forb/herb 1-4 ft. detail
Mimulus ringens Allegheny Monkeyflower Perennial Forb/herb 6-36 in. detail
Minuartia glabra Appalachian Sandwort Perennial Forb/herb 3-10 in. detail
Minuartia uniflora Oneflower Stitchwort Annual Forb/herb 2-8 in. detail
Mitchella repens Partridge-berry Perennial Subshrub, Forb/herb to 4 in. (trailing 1/2-1 ft.) detail
Mitella diphylla Two-leaf Bishop's-cap Perennial Forb/herb 8-16 in. detail
Mitreola petiolata Caribbean Miterwort Annual Forb/herb 4-32 in. detail
Mitreola sessilifolia Small-leaved Miterwort Annual Forb/herb 4-18 in. detail
Modiola caroliniana Bristly-mallow Annual, Biennial, Perennial Subshrub, Forb/herb to 2 1/2 ft. detail
Mollugo verticillata Carpetweed Annual Forb/herb to 5 in. detail
Monarda didyma Beebalm Perennial Forb/herb 2-4 ft. detail
Monarda fistulosa Appalachian Bergamot Perennial Subshrub, Forb/herb 2-5 ft. detail
Monarda punctata Eastern Horse-mint Annual, Biennial, Perennial Subshrub, Forb/herb 2-3 ft. detail
Monotropa uniflora Ghost Flower Perennial Forb/herb 2-12 in. detail
Monotropsis odorata Appalachian Pigmy Pipes Perennial Forb/herb 1-4 in. detail
Murdannia keisak Marsh Dewflower Perennial Forb/herb 8-59 in. detail
Muscari neglectum Grape-hyacinth Perennial Forb/herb 2-9 in. detail
Myosotis laxa Bay Forget-me-not Annual, Biennial, Perennial Forb/herb 4-16 in. detail
Myosotis macrosperma Bigseed Forget-me-not Annual Forb/herb 6-18 in. detail
Myosurus minimus Mousetail Annual Forb/herb 2-6 in. detail
Nabalus altissimus Tall Rattlesnake-root 1 1/2-6 ft. detail
Nabalus roanensis Roan Rattlesnake-root 1/2-3 ft. detail
Nabalus serpentarius Gall-of-the-earth 1 1/2-5 ft. detail
Nabalus trifoliolatus 1-4 ft. detail
Narthecium americanum Yellow Asphodel Perennial Forb/herb to 1 1/2 ft. detail
Nasturtium officinale Watercress Perennial Forb/herb 6-30 in. detail
Nelumbo lutea American Lotus Perennial Forb/herb to 3 ft. above water surface detail
Nemophila aphylla Smallflower Baby Blue Eyes Annual Forb/herb 2-15 in. detail
Nepeta cataria Catnip Perennial Forb/herb 2-3 ft. detail
Nicandra physalodes Apple-of-Peru Annual Forb/herb 2-5 ft. detail
Nothoscordum bivalve Crowpoison Perennial Forb/herb 4-16 in. detail
Nuphar advena Broadleaf Pondlily About 6 in. above water detail
Nuttallanthus canadensis Canada Toadflax Annual, Biennial Forb/herb 6-28 in. detail
Nymphaea odorata American White Water-lily Perennial Forb/herb detail
Obolaria virginica Pennywort Perennial Forb/herb 1-6 in. detail
Oclemena acuminata Whorled Aster Perennial Forb/herb 8-32 in. detail
Oenothera biennis Common Evening-primrose Biennial Forb/herb 2-5 ft. detail
Oenothera fruticosa Southern Sundrops Perennial Forb/herb 1-2 ft. detail
Oenothera humifusa Seabeach Evening Primrose Perennial Subshrub, Forb/herb 4-30 in. detail
Oenothera laciniata Cutleaf Evening Primrose Annual, Perennial Forb/herb 6-30 in. detail
Oenothera simulans Southeastern Gaura Annual Forb/herb 3-5 ft. detail
Oenothera speciosa Pink-ladies Perennial Subshrub, Forb/herb 1-2 ft. detail
Oldenlandia uniflora Oldenlandia Annual Subshrub, Forb/herb 5-18 in. detail
Onosmodium virginianum Virginia Marbleseed Perennial Forb/herb 8-32 in. detail
Orbexilum lupinellum Lupine Scurfpea Perennial Forb/herb 1-2 ft. detail
Orbexilum pedunculatum var. psoralioides Eastern Sampson’s-snakeroot Perennial Forb/herb 1-2 1/2 ft. detail
Ornithogalum umbellatum Star-of-Bethlehem Perennial Forb/herb 4-10 in. detail
Orontium aquaticum Golden Club Perennial Forb/herb 1-2 ft. detail
Orthilia secunda One-sided Pyrola Perennial Subshrub 3-8 in. detail
Osmorhiza claytonii Bland Sweet Cicely Perennial Forb/herb 1-3 ft. detail
Osmorhiza longistylis Anise-root Perennial Forb/herb 1--2 1/2 ft. detail
Oxalis dillenii Slender Yellow Woodsorrel Perennial Forb/herb 4-10 in. detail
Oxalis grandis Great Yellow Wood-sorrel Annual Forb/herb 10-24 in. (occasionally taller) detail
Oxalis montana American Wood-sorrel Perennial Forb/herb 3-6 in. detail
Oxalis stricta Common Yellow Oxalis Perennial Forb/herb 6-20 in. detail
Oxalis violacea Violet Wood-sorrel Perennial Forb/herb 4-8 in. detail
Oxypolis filiformis Water Cowbane Perennial Forb/herb 1 1/2-6 ft. detail
Oxypolis rigidior Cowbane Perennial Forb/herb 2-5 ft. detail
Oxypolis ternata Piedmont Cowbane Perennial Forb/herb 1-3 ft. detail
Pachysandra procumbens Allegheny-spurge Perennial Subshrub, Forb/herb 6-10 in. detail
Packera anonyma Small’s Ragwort Perennial Forb/herb 1-2.5 ft. detail
Packera aurea Golden Ragwort Perennial Forb/herb 1-2 ft. detail
Packera glabella Butterweed Annual Forb/herb 1-3 ft. detail
Packera obovata Roundleaf Ragwort Perennial Forb/herb 8-28 in. detail
Packera tomentosa Woolly Ragwort Perennial Forb/herb 1-2 ft. detail
Panax quinquefolius American Ginseng Perennial Forb/herb 1-2 ft. detail
Panax trifolius Dwarf Ginseng Perennial Forb/herb 4-8 in. detail
Papaver dubium Blind Eyes Annual Forb/herb 1-2 ft. detail
Parietaria pensylvanica Pennsylvania Pellitory Annual Forb/herb 4-16 in. detail
Parnassia asarifolia Appalachian Grass-of-Parnassus Perennial Forb/herb 4-16 in. detail
Parnassia caroliniana Carolina Grass Of Parnassus Perennial Forb/herb 8-20 in. detail
Parnassia grandifolia Bigleaf Grass-of-Parnassus Perennial Forb/herb 4-20 in. detail
Paronychia argyrocoma Silver Whitlow-wort Perennial Forb/herb 2-10 in. detail
Paronychia canadensis Canada Whitlow-wort Annual Forb/herb 3-16 in. detail
Parthenium integrifolium Wild Quinine Perennial Forb/herb 1-3 ft. detail
Passiflora incarnata Purple Passionflower Perennial Vine, Forb/herb to 12 ft. detail
Passiflora lutea Yellow Passionflower Perennial Vine, Forb/herb to 15 ft. long detail
Pastinaca sativa Parsnip Biennial, Perennial Forb/herb 3-5 ft. detail
Pedicularis canadensis Eastern Lousewort Perennial Subshrub, Forb/herb 4-16 in. detail
Pediomelum canescens Buckroot Perennial Forb/herb 1-3 ft. detail
Peltandra virginica Green Arrow Arum Perennial Forb/herb 8-22 in. detail
Penstemon australis Sandhill Beardtongue Perennial Forb/herb 8-28 in. detail
Penstemon canescens Eastern Gray Beardtongue Perennial Forb/herb 1-2 1/2 ft. detail
Penstemon digitalis Foxglove Beardtongue Perennial Forb/herb 2-4 ft. detail
Penstemon laevigatus Eastern Beardtongue Perennial Forb/herb 1-4 ft. detail
Penthorum sedoides American Penthorum Perennial Forb/herb 12-32 in. detail
Perilla frutescens Beefsteak-plant Annual Forb/herb 1-3 ft. detail
Persicaria arifolia Halberd-leaf Tearthumb 2-6 ft. detail
Persicaria hydropiperoides to 3 ft. detail
Persicaria pensylvanica Pennsylvania Smartweed 1-2 ft. detail
Persicaria perfoliata Asiatic Tearthumb to 10 ft. or more (long) detail
Persicaria punctata Dotted Smartweed 6-42 in. detail
Persicaria sagittata Arrowleaf Tearthumb 3-6 ft. detail
Persicaria setacea Swamp Smartweed 1 1/2-4 ft. detail
Persicaria virginiana Jumpseed 1 1/2-4 ft. detail
Phacelia bipinnatifida Fern-leaf Scorpion-weed Biennial Forb/herb 1-2 ft. detail
Phacelia covillei Eastern Buttercup Phacelia Annual Forb/herb 4-8 in. detail
Phacelia dubia Smallflower Phacelia Annual Forb/herb 8-16 in. detail
Phacelia fimbriata Blue Ridge Phacelia Annual Forb/herb 4-12 in. detail
Phaseolus polystachios Thicket Bean Perennial Vine, Forb/herb 6-20 ft. (long) detail
Phemeranthus teretifolius Appalachian Rock-pink Perennial Forb/herb, Subshrub 2-20 in. detail
Phlox amoena Chalice Phlox Perennial Forb/herb to 18 in. detail
Phlox carolina Carolina Phlox Perennial Forb/herb to 3 ft. detail
Phlox divaricata Eastern Blue Phlox Perennial Forb/herb to 20 in. detail
Phlox nivalis Pineland Phlox Perennial Subshrub, Forb/herb 4-12 in. detail
Phlox paniculata Summer Phlox Perennial Forb/herb 1-5 ft. detail
Phlox pilosa Downy Phlox Perennial Forb/herb 8-22 in. detail
Phlox subulata Moss Phlox Perennial Subshrub, Forb/herb 3-9 in. (mats to 24 in. wide) detail
Phryma leptostachya American Lopseed Perennial Forb/herb 8-38 in. detail
Phyla nodiflora Turkey Tangle Fogfruit Perennial Forb/herb to 4 in. (tall) detail
Phyllanthus caroliniensis Carolina Leaf-flower Annual Forb/herb 5-18 in. detail
Physalis angulata Cutleaf Groundcherry Annual Forb/herb 8-36 in. detail
Physalis heterophylla Clammy Ground-cherry Perennial Forb/herb 8-35 in. detail
Physalis virginiana Virginia Groundcherry Perennial Forb/herb 4-16 in. (sometimes taller) detail
Physalis walteri Dune Ground-cherry Perennial Forb/herb 6-24 in. detail
Physostegia leptophylla Slenderleaf False Dragonhead Perennial Forb/herb 1-4 ft. detail
Physostegia purpurea Savanna Obedient-plant Perennial Forb/herb 1-3 ft. detail
Physostegia virginiana Obedient Plant Perennial Forb/herb 3-4 ft. detail
Phytolacca americana American Pokeweed Perennial Forb/herb 3-10 ft. detail
Pilea pumila Canadian Clearweed Annual Forb/herb 4 - 24 in. detail
Pinguicula caerulea Blue Butterwort Perennial Forb/herb to 8 in. detail
Pinguicula lutea Yellow Butterwort Perennial Forb/herb to 10 in. detail
Pinguicula pumila Small Butterwort Annual, Perennial Forb/herb 6-8 in. detail
Pityopsis adenolepis Carolina Silkgrass 8-18 in. detail
Pityopsis graminifolia Narrowleaf Silkgrass Perennial Forb/herb 1-2 ft. detail
Plantago aristata Buckhorn Plantain Annual, Perennial Forb/herb to 6 in. detail
Plantago lanceolata English Plantain Annual, Biennial, Perennial Forb/herb 6-24 in. detail
Plantago major Common Plantain Perennial Forb/herb 2-20 in. detail
Plantago rugelii American Plantain Perennial Forb/herb 6-10 in. detail
Plantago virginica Hoary Plantain Annual, Biennial Forb/herb 4-8 in. detail
Platanthera blephariglottis Small White Fringed Orchid Perennial Forb/herb 1 1/2-2 1/2 ft. detail
Platanthera ciliaris Yellow Fringed Orchid Perennial Forb/herb 10-28 in. detail
Platanthera clavellata Small Green Wood Orchid Perennial Forb/herb 4-18 in. detail
Platanthera cristata Crested Fringed Orchid Perennial Forb/herb 8-18 in. detail
Platanthera flava Southern Rein Orchid Perennial Forb/herb 6-24 in. detail
Platanthera grandiflora Greater Purple Fringed Orchid Perennial Forb/herb 1-4 ft. detail
Platanthera integra Golden Fringeless Orchid Perennial Forb/herb 8-25 in. detail
Platanthera lacera Green Fringed Orchid Perennial Forb/herb 1-2 1/2 ft. detail
Platanthera nivea Bog-spike Perennial Forb/herb 1-3 ft. detail
Platanthera orbiculata Dinner-plate Orchid Perennial Forb/herb 4-23 in. detail
Pleea tenuifolia Rush Featherling Perennial Forb/herb 1-2 1/2 ft. detail
Pluchea baccharis Marsh Fleabane 1-2 ft. detail
Pluchea camphorata Plowmans Wort Annual, Perennial Forb/herb 2-6 1/2 ft. detail
Pluchea foetida Stinking Camphorweed Perennial Forb/herb 1-3 ft. detail
Pluchea odorata Saltmarsh Fleabane Annual, Perennial Subshrub, Forb/herb 1-3 ft. detail
Podophyllum peltatum May-apple Perennial Forb/herb 12-18 in. detail
Pogonia ophioglossoides Rose Pogonia Perennial Forb/herb 4-20 in. detail
Polemonium reptans Spreading Jacobs ladder Perennial Subshrub, Forb/herb 6-18 in. detail
Polygala ambigua Loose Milkwort Annual Forb/herb 4-13 in. detail
Polygala brevifolia Little-leaf Milkwort Annual Forb/herb 2-12 in. detail
Polygala cruciata Drumheads Annual Forb/herb 6-12 in. detail
Polygala curtissii Appalachian Milkwort Annual Forb/herb 5-15 in. detail
Polygala cymosa Tall Pinebarren Milkwort Biennial Forb/herb 1 1/2-4 ft. detail
Polygala incarnata Pink Milkwort Annual Forb/herb 6-18 in. detail
Polygala lutea Orange Milkwort Biennial Forb/herb 6-12 in. detail
Polygala mariana Maryland Milkwort Annual Forb/herb 6-16 in detail
Polygala nana Candyroot Annual Forb/herb 4-6 in. detail
Polygala polygama Bitter Milkwort Biennial Forb/herb 8-18 in. detail
Polygala ramosa Low Pinebarren Milkwort Annual Forb/herb 4-12 in. detail
Polygala sanguinea Blood Milkwort Annual Forb/herb 4-14 in. detail
Polygala senega Seneca Snakeroot Perennial Forb/herb 4-16 in. detail
Polygaloides paucifolia Bird-on-the-wing 2-6 in. detail
Polygonatum biflorum Solomons-seal Perennial Forb/herb 1-3 ft. detail
Polygonatum pubescens Downy Solomon’s-seal Perennial Forb/herb 1-2.5 ft. detail
Polygonum aviculare Knotweed Annual, Perennial Forb/herb to 4 in. tall (6 ft. long) detail
Polygonum erectum Erect Knotweed Annual Forb/herb 8-30 in. detail
Polygonum tenue Pleatleaf Knotweed Annual Forb/herb 4-16 in. detail
Polymnia canadensis White-flowered Leafcup Perennial Forb/herb 2-6 ft. detail
Polypremum procumbens Rustweed Annual, Perennial Forb/herb to 12 in. (long) detail
Pontederia cordata Heartleaf Pickerelweed Perennial Forb/herb 1-4 ft. detail
Ponthieva racemosa Shadow Witch Orchid Perennial Forb/herb 6-18 in. detail
Portulaca oleracea Common Purslane Annual Forb/herb 3-6 in., to 2 ft. long detail
Portulaca pilosa Kiss-me-quick Annual, Perennial Forb/herb to 10 in. (long) detail
Potentilla argentea Hoary Five-fingers Perennial Forb/herb to 20 in. detail
Potentilla canadensis Dwarf Cinquefoil Perennial Forb/herb 2-4 in. detail
Potentilla indica Indian-strawberry 1-4 in. detail
Potentilla norvegica Norwegian Cinquefoil Annual, Biennial, Perennial Forb/herb 1-3 ft. detail
Potentilla recta Sulphur Cinquefoil Perennial Forb/herb 1-2 1/2 ft. detail
Potentilla simplex Common Cinquefoil Perennial Forb/herb 4-16 in., usually less than 12 in. detail
Prosartes lanuginosa Yellow Fairybells Perennial Forb/herb 1-2.5 ft. detail
Prosartes maculata Nodding Mandarin Perennial Forb/herb 1-2.5 ft. detail
Prunella vulgaris var. lanceolata American Self-heal 4-20 in. detail
Pseudognaphalium obtusifolium Fragrant Rabbit Tobacco Annual, Biennial Forb/herb 8-36 in. detail
Pterocaulon pycnostachyum Blackroot Perennial Forb/herb, Subshrub 8-30 in. detail
Ptilimnium capillaceum Atlantic Bishopweed Annual Forb/herb 6-60 in. detail
Pueraria montana var. lobata Kudzu Perennial Vine to 100 ft. (long) detail
Pycnanthemum flexuosum Appalachian Mountainmint Perennial Forb/herb 1-3 1/2 ft. detail
Pycnanthemum muticum Short-toothed Mountain-mint Perennial Forb/herb 1-3 ft. detail
Pycnanthemum pycnanthemoides Southern Mountain-mint Perennial Forb/herb 3-6 ft. detail
Pycnanthemum tenuifolium Narrow-leaf Mountain-mint Perennial Forb/herb 1-2 1/2 ft. detail
Pyrola americana American Wintergreen Perennial Subshrub 4–12 in. detail
Pyrola elliptica Elliptic Shinleaf Perennial Subshrub 4-10 in. detail
Pyrrhopappus carolinianus Carolina Desert-chicory Annual, Biennial Forb/herb 6-20 in. detail
Pyxidanthera barbulata Big Pyxie Perennial Subshrub, Forb/herb 1-2 in. detail
Ranunculus abortivus Kidneyleaf Buttercup Biennial, Perennial Forb/herb 6-24 in. detail
Ranunculus acris Bitter Buttercup Perennial Forb/herb 1-3 ft. detail
Ranunculus bulbosus Bulbous Buttercup Perennial Forb/herb 8-24 in. detail
Ranunculus carolinianus Carolina Buttercup 4-6 in. (to 12 in. long when trailing) detail
Ranunculus ficaria Fig Buttercup Perennial Forb/herb 4-12 in. detail
Ranunculus hispidus Bristly Buttercup Perennial Forb/herb 1-2 ft. detail
Ranunculus laxicaulis Coastal Plain Spearwort Annual, Perennial Forb/herb 6-20 in. detail
Ranunculus parviflorus Smallflower Buttercup Annual Forb/herb 4-8 in. detail
Ranunculus pusillus Low Spearwort Annual Forb/herb 4-20 in. detail
Ranunculus recurvatus Blisterwort Perennial Forb/herb 6-24 in. detail
Ranunculus sceleratus Cursed Buttercup Annual, Perennial Forb/herb 4-20 in. detail
Raphanus raphanistrum Jointed Charlock Annual, Biennial Forb/herb 8-32 in. detail
Rhexia alifanus Smooth Meadow-beauty Perennial Forb/herb 1 1/2-3 ft. detail
Rhexia aristosa Awned Meadow-beauty Perennial Forb/herb 16-28 in. detail
Rhexia cubensis West Indies Meadow-beauty Perennial Forb/herb 12-27 in. detail
Rhexia lutea Yellow Meadow-beauty Perennial Forb/herb 4-18 in. detail
Rhexia mariana Maryland Meadowbeauty Perennial Forb/herb to 32 in. detail
Rhexia nashii Hairy Meadow-beauty Perennial Forb/herb 1-3 ft. detail
Rhexia petiolata Ciliate Meadow-beauty Perennial Forb/herb 6-20 in. detail
Rhexia virginica Virginia Meadow-beauty Perennial Forb/herb to 3 ft. detail
Rhynchosia difformis Doubleform Snoutbean Perennial Vine, Forb/herb 3-6 ft. detail
Rhynchosia reniformis Dollarleaf Perennial Forb/herb 1-3 ft. detail
Rhynchosia tomentosa Twining Snoutbean Perennial Forb/herb 2-3 ft. detail
Richardia brasiliensis Tropical Mexican Clover Annual, Perennial Forb/herb to 4 in., spreading 20 in. or more wide. detail
Rorippa palustris Bog Yellowcress Annual, Biennial, Perennial Forb/herb 1-4 ft. detail
Rotala ramosior Lowland Rotala Annual Forb/herb 2-15 in. detail
Rudbeckia hirta Black-eyed Susan Annual, Biennial, Perennial Forb/herb 1-2 1/2 ft. detail
Rudbeckia laciniata Green-head Coneflower Perennial Subshrub, Forb/herb 3-7 ft. detail
Rudbeckia triloba Browneyed Susan Perennial Forb/herb 1-3 ft. detail
Ruellia caroliniensis Carolina Wild Petunia Perennial Forb/herb 1-2 ft. detail
Ruellia humilis Hairy Wild-petunia Perennial Forb/herb 4-15 in. detail
Ruellia strepens Limestone Wild Petunia Perennial Forb/herb 1-3 ft. detail
Rugelia nudicaulis Rugel’s Ragwort Perennial Forb/herb 11-18 in. detail
Rumex acetosella Common Sheep Sorrel Perennial Forb/herb 4-16 in. detail
Rumex crispus Curly Dock Perennial Forb/herb 1-5 ft. detail
Rumex hastatulus Heartwing Dock Perennial Forb/herb to 2 ft. detail
Rumex obtusifolius Bitter Dock Perennial Forb/herb 2-3 1/2 ft. detail
Sabatia angularis Common Marsh-pink Annual Forb/herb 8-32 in. detail
Sabatia calycina Coastal Rose Gentian Perennial Forb/herb 4-15 in. detail
Sabatia campanulata Slender Marsh-pink Perennial Forb/herb 8-28 in. detail
Sabatia difformis Lanceleaf Rose Gentian Perennial Forb/herb 18-32 in. detail
Sabatia dodecandra Large Marsh Rose-pink Perennial Forb/herb 12-27 in. detail
Sabatia gentianoides Pinewoods Rose Gentian Annual Forb/herb 6-20 in. detail
Sabatia stellaris Annual Sea-pink Annual Forb/herb 8-22 in. detail
Sabulina caroliniana Carolina Sandwort T0 1 ft. detail
Sagina decumbens Annual Pearlwort Annual Forb/herb 1-6 in. detail
Sagittaria australis Appalachian Arrowhead Perennial Forb/herb 8-30 in. detail
Sagittaria calycina Hooded Arrowhead Perennial Forb/herb 2-6 in. detail
Sagittaria engelmanniana Engelmann’s Arrowhead Perennial Forb/herb 8-30 in. detail
Sagittaria graminea Grassy Arrowhead Perennial Forb/herb 1-3 ft. detail
Sagittaria lancifolia Bulltongue Arrowhead Perennial Forb/herb 2-3 ft. detail
Sagittaria latifolia Broadleaf Arrowhead Perennial Forb/herb 4-8 in. detail
Salicornia bigelovii Dwarf Glasswort Annual Forb/herb 2-16 in. detail
Salicornia virginica Samphire to 15 in. detail
Salvia azurea Azure Blue Sage Perennial Forb/herb 2-5 ft. detail
Salvia lyrata Lyreleaf Sage Perennial Forb/herb 1-2 ft. detail
Salvia urticifolia Nettle-leaf Sage Perennial Forb/herb 6-30 in. detail
Samolus parviflorus Brookweed 6-18 in. detail
Sanguinaria canadensis Bloodroot Perennial Forb/herb 6-12 in. detail
Sanguisorba canadensis American Burnet Perennial Forb/herb 2-6 ft. detail
Sanicula canadensis Canadian Blacksnakeroot Biennial Forb/herb 6-48 in. detail
Sanicula marilandica Maryland Sanicle Perennial Forb/herb 1-4 ft. detail
Sanicula odorata Clustered Blacksnakeroot Perennial Forb/herb 1-2.5 ft. detail
Sanicula smallii Small’s Blacksnakeroot Biennial, Perennial Forb/herb 1-2.5 ft. detail
Sanicula trifoliata Beaked Sanicle Perennial Forb/herb 1-2 1/2 ft. detail
Saponaria officinalis Soapwort Perennial Forb/herb 1-2 1/2 ft. detail
Sarracenia flava Yellow Pitcherplant Perennial Subshrub, Forb/herb 2-3 ft. detail
Sarracenia minor Hooded Pitcherplant Perennial Subshrub, Forb/herb to 14 in. detail
Sarracenia psittacina Parrot Pitcherplant Perennial Subshrub, Forb/herb to 6 in. detail
Sarracenia purpurea var. venosa Southern Purple Pitcherplant Perennial Forb/herb to 14 in. detail
Sarracenia rubra Sweet Pitcherplant Perennial Subshrub, Forb/herb to 16 in. detail
Saururus cernuus Lizard’s Tail Perennial Forb/herb 1-4 ft. detail
Schoenolirion croceum Yellow Sunnybell Perennial Forb/herb 8-14 in. detail
Scleranthus annuus Annual Knawel Annual Forb/herb 2-8 in. detail
Sclerolepis uniflora Pink bog-button Perennial Forb/herb 4-16 in. detail
Scrophularia marilandica Carpenter’s Square Perennial Subshrub, Forb/herb 1 1/2-8 ft. detail
Scutellaria elliptica Hairy Skullcap Perennial Forb/herb 6-30 in. detail
Scutellaria incana Hoary Skullcap Perennial Forb/herb 1-4 ft. detail
Scutellaria integrifolia Large-flower Skullcap Perennial Forb/herb 1-2 ft. detail
Scutellaria lateriflora Blue Skullcap Perennial Forb/herb 1-2.5 ft. detail
Scutellaria serrata Serrate Skullcap Perennial Forb/herb 8-24 in. detail
Securigera varia Crown-vetch Perennial Forb/herb, Vine 1-3 ft. (long) detail
Sedum glaucophyllum Cliff Stonecrop Perennial Forb/herb 2-6 in. detail
Sedum ternatum Woodland Stonecrop Perennial Forb/herb 3-6 in. detail
Senecio vulgaris Common Groundsel Annual, Biennial Forb/herb 4-16 in. detail
Senna hebecarpa American Senna Perennial Forb/herb 1 1/2-6 ft. detail
Senna obtusifolia Coffeeweed Annual, Perennial Forb/herb, Subshrub 1-2 1/2 ft. detail
Sericocarpus asteroides Toothed White-topped Aster Perennial Forb/herb 8-24 in. detail
Sericocarpus linifolius Narrow-leaf White-topped Aster Perennial Forb/herb 8-24 in. detail
Sericocarpus tortifolius Dixie Whitetop Aster Perennial Forb/herb 2-3 ft. detail
Sesbania vesicaria Bagpod Annual Forb/herb, Subshrub 6-10 ft. detail
Sesuvium maritimum Slender Sea-purslane Annual Forb/herb 4-7 in. detail
Seymeria cassioides Senna Seymeria Annual Forb/herb 2-3 ft. detail
Seymeria pectinata Piedmont Blacksenna Annual Forb/herb 1 1/2-2 ft. detail
Sherardia arvensis Blue Fieldmadder Annual Forb/herb 4-10 in. detail
Shortia galacifolia Oconee Bells Perennial Subshrub, Forb/herb 4-8 in. detail
Sibara virginica Sibara Annual, Biennial Forb/herb 6-18 in. detail
Sibbaldiopsis tridentata Mountain White Potentilla Perennial Subshrub, Forb/herb 4-12 in. detail
Sicyos angulatus Bur-cucumber Annual Vine, Forb/herb to 25 ft. long detail
Sida elliottii Elliott's Fanpetals Perennial Subshrub, Forb/herb 1-3 ft. detail
Sida hermaphrodita Virginia Sida Perennial Forb/herb 3-6 ft. detail
Sida rhombifolia Cuban Jute Annual, Perennial Subshrub, Forb/herb 2-3 ft. detail
Sida spinosa False-mallow Annual, Perennial Subshrub, Forb/herb 1-3 ft. detail
Silene antirrhina Garter-pink Annual Forb/herb 8-30 in. detail
Silene armeria Garden Catchfly Annual Forb/herb 4-20 in. detail
Silene latifolia Bladder Campion Biennial, Perennial Forb/herb 1-3 ft. detail
Silene noctiflora Night-flowering Catchfly Annual Forb/herb 8-47 in. detail
Silene ovata Mountain Catchfly Perennial Forb/herb 1-5 ft. detail
Silene regia Royal Catchfly Perennial Forb/herb 2-4 ft. detail
Silene stellata Starry Campion Perennial Forb/herb 1-4 ft. detail
Silene virginica Fire Pink Perennial Forb/herb 12-18 in. detail
Silene vulgaris Maiden’s-tears Perennial Forb/herb 6-24 in. detail
Silphium compositum Kidneyleaf Rosinweed Perennial Forb/herb 1.5-8 ft. detail
Silphium perfoliatum Common Cup-plant Perennial Forb/herb 4-8 ft. detail
Sisymbrium officinale Hedgemustard Annual Forb/herb 1-3 ft. detail
Sisyrinchium angustifolium Narrow-leaved Blue-eyed-grass Perennial Forb/herb 8-12 in. detail
Sisyrinchium atlanticum Atlantic Blue-eyed-grass Perennial Forb/herb 8-18 in. detail
Sisyrinchium mucronatum Needle-tip Blue-eyed-grass Perennial Forb/herb 4-16 in. detail
Sisyrinchium nashii Nash’s Blue-eyed Grass Perennial Forb/herb 8-19 in. detail
Sisyrinchium rosulatum Annual Blue-eyed-grass Annual, Perennial Forb/herb 6-14 in. detail
Sium suave Hemlock Waterparsnip Perennial Forb/herb 2-6 ft. detail
Smallanthus uvedalius Bearsfoot Perennial Forb/herb 3-10 ft. detail
Solanum carolinense Carolina Horsenettle Perennial Subshrub, Forb/herb 1-3 ft. detail
Solanum dulcamara Bittersweet Perennial Subshrub, Forb/herb, Vine 2-8 ft. (long) detail
Solanum ptychanthum West Indian Nightshade Annual Forb/herb 1-3 ft. detail
Solidago altissima Canada Goldenrod Perennial Forb/herb 2-6 1/2 ft. detail
Solidago arguta Atlantic Goldenrod Perennial Forb/herb 2-3 ft. detail
Solidago bicolor Silverrod Perennial Forb/herb 2-3 ft. detail
Solidago caesia Axillary Goldenrod Perennial Forb/herb 1-3 ft. detail
Solidago canadensis Canada Goldenrod Perennial Forb/herb 2-5 ft. detail
Solidago curtisii Curtis’s Goldenrod Perennial Forb/herb 1-3 ft. detail
Solidago erecta Slender Goldenrod Perennial Forb/herb 1-4 ft. detail
Solidago fistulosa Pine Barren Goldenrod Perennial Forb/herb 1 1/2-5 ft. detail
Solidago flexicaulis Zigzag Goldenrod Perennial Forb/herb 1-3 ft. detail
Solidago gigantea Giant Goldenrod Perennial Forb/herb 2-6 1/2 ft. detail
Solidago glomerata Clustered Goldenrod Perennial Forb/herb 1 1/2-3 ft. detail
Solidago juncea Early Goldenrod Perennial Forb/herb 1-3 ft. detail
Solidago mexicana Southern Seaside Goldenrod 1 1/2 - 6 ft. detail
Solidago nemoralis Eastern Gray Goldenrod Perennial Forb/herb 1 1/2-3 ft. detail
Solidago odora Anise-scented Goldenrod Perennial Forb/herb 2-3 ft. detail
Solidago patula Northern Roughleaf Goldenrod Perennial Forb/herb 1 1/2-5 ft. detail
Solidago petiolaris Downy Ragged Goldenrod Perennial Forb/herb 3-5 ft. detail
Solidago pinetorum Pineywoods Goldenrod Perennial Forb/herb 2-3 ft. detail
Solidago puberula Downy Goldenrod Perennial Forb/herb 1-3 ft. detail
Solidago rigida Southeastern Bold Goldenrod 2-5 ft. detail
Solidago rugosa Rough-leaf Goldenrod Perennial Forb/herb 3-5 ft. detail
Solidago sphacelata Autumn Goldenrod Perennial Forb/herb 1 1/2-3 1/2 ft. detail
Sonchus asper Prickly Sow-thistle Annual Forb/herb 1-5 ft. detail
Sonchus oleraceus Common Sow-thistle Annual Forb/herb 1/2-5 ft. detail
Sophronanthe pilosa Shaggy Hedge-hyssop 4-28 in. detail
Sparganium americanum American Bur-reed Perennial Forb/herb 1-3 ft. detail
Spigelia marilandica Pinkroot Perennial Forb/herb 1-2 ft. detail
Spiranthes cernua Nodding Ladies’-tresses Perennial Forb/herb 5-16 in. detail
Spiranthes lacera var. gracilis Northern Slender Lady’s Tresses Perennial Forb/herb 6-26 in. detail
Spiranthes tuberosa Little Ladies’-tresses Perennial Forb/herb 2-12 in. detail
Spiranthes vernalis Spring Ladies’-tresses Perennial Forb/herb 8-35 in. detail
Stachys latidens Broad-toothed Hedge-nettle Perennial Forb/herb 1-3 ft. detail
Stellaria graminea Common Stitchwort Perennial Forb/herb 8-18 in. detail
Stellaria media Common Chickweed Annual, Perennial Forb/herb 4-16 in. detail
Stellaria pubera Giant Chickweed Perennial Forb/herb 4-16 in. detail
Stenanthium densum Crow-poison 1-4 ft. detail
Stenanthium gramineum Featherbells Perennial Forb/herb 2-6 ft. detail
Stenanthium leimanthoides Pinebarrens Death-camas 3-5 ft. detail
Stillingia sylvatica Queen’s-delight Perennial Forb/herb 1-2 1/2 ft. detail
Stipulicida setacea Coastal Plain Wireplant Perennial Forb/herb 2-10 in. detail
Streptopus amplexifolius Claspleaf Twistedstalk Perennial Forb/herb 10-36 in. detail
Streptopus lanceolatus Twistedstalk Perennial Forb/herb 8-30 in. detail
Strophostyles helvola Amberique-bean Annual Vine, Forb/herb to 6 ft. (long) detail
Strophostyles umbellata Perennial Sand Bean Perennial Vine, Forb/herb to 6 ft. (long) detail
Stylisma aquatica Water Dawnflower Perennial Vine, Forb/herb 1 1/2-6 1/2 ft. long detail
Stylisma humistrata Southern Dawnflower Perennial Vine, Forb/herb 1-4 ft. long detail
Stylisma patens Coastal Plain Dawnflower Perennial Vine, Forb/herb 1-4 ft. long detail
Stylodon carneus Carolina-vervain Perennial Forb/herb to 3 ft. detail
Stylophorum diphyllum Celandine Poppy Perennial Forb/herb 12-18 in. detail
Stylosanthes biflora Pencil-flower Perennial Forb/herb 4-20 in. detail
Suaeda linearis Southern Sea-blite Annual Subshrub, Forb/herb 6–36 in. detail
Symphyotrichum concolor Eastern Silvery Aster Perennial Forb/herb 1 1/2-4 ft. detail
Symphyotrichum dumosum Long-stalked Aster Perennial Forb/herb 1-4 1/2 ft. detail
Symphyotrichum grandiflorum Large-flower American-aster Perennial Forb/herb 2-3 ft. detail
Symphyotrichum lanceolatum White Panicle Aster Perennial Forb/herb 1 1/2-6 ft. detail
Symphyotrichum novae-angliae New England Aster Perennial Forb/herb 3-4 ft. detail
Symphyotrichum novi-belgii New York Aster Perennial Forb/herb 1-4 ft. detail
Symphyotrichum patens Clasping American-aster Perennial Forb/herb 1-3 ft. detail
Symphyotrichum pilosum Hairy White Oldfield Aster Perennial Forb/herb 1/2-4 1/2 ft. detail
Symphyotrichum prenanthoides Crookedstem Aster Perennial Forb/herb 1-4 ft. detail
Symphyotrichum puniceum Purplestem Aster Perennial Forb/herb, Subshrub 3-7 ft. detail
Symphyotrichum racemosum Small White Aster Perennial Forb/herb 1-3 ft. detail
Symphyotrichum undulatum Clasping Heart-leaf Aster Perennial Forb/herb 2-5 ft. detail
Symphyotrichum walteri Walter’s American-aster Perennial Forb/herb 1-3 ft. detail
Symplocarpus foetidus Skunk Cabbage Perennial Forb/herb 1-2 ft. detail
Syngonanthus flavidulus Bantam-buttons Perennial Forb/herb 4-11 in. detail
Taenidia integerrima Yellow Pimpernel Perennial Forb/herb 1-3 ft. detail
Taraxacum officinale Common Dandelion Perennial Forb/herb 2-12 in. detail
Tephrosia florida Florida Goat’s-rue Perennial Forb/herb to 22 in. detail
Tephrosia spicata Spiked Hoarypea Perennial Forb/herb 2-3 ft. detail
Tephrosia virginiana Virginia Goat’s-rue Perennial Subshrub, Forb/herb 1-2 ft. detail
Tetragonotheca helianthoides Pineland Nerveray Perennial Forb/herb 1-3 ft. detail
Teucrium canadense Canada Germander Perennial Forb/herb 2-3 ft. detail
Thalictrum clavatum Lady-rue Perennial Forb/herb 6-24 in. detail
Thalictrum coriaceum Appalachian Meadowrue Perennial Forb/herb 2-4 ft. detail
Thalictrum dioicum Early Meadow-rue Perennial Forb/herb 12-30 in. detail
Thalictrum pubescens Common Tall Meadowrue Perennial Forb/herb 4-5 ft. detail
Thalictrum revolutum Skunk Meadow-rue Perennial Forb/herb 4-5 ft. detail
Thalictrum thalictroides Windflower Perennial Forb/herb 4-8 in. detail
Thaspium barbinode Hairyjoint Meadowparsnip Perennial Forb/herb 1-3 1/2 ft. detail
Thaspium trifoliatum var. aureum Purple Meadowparsnip Perennial Forb/herb 1-3 ft. detail
Thaspium trifoliatum var. trifoliatum Perennial Forb/herb 1-3 ft. detail
Thlaspi alliaceum Garlic Pennycress Annual Forb/herb 8-22 in. detail
Thlaspi arvense Field Pennycress Annual Forb/herb 8-30 in. detail
Tiarella cordifolia Foamflower Perennial Forb/herb 10-12 in. detail
Tillandsia usneoides Spanish Moss Perennial Forb/herb, Vine to 10 ft. detail
Tipularia discolor Cranefly Orchid Perennial Forb/herb 4-20 in. detail
Tofieldia glabra Carolina Bog Asphodel Perennial Forb/herb 1-2 ft. detail
Torilis arvensis Field Hedge-parsley Annual Forb/herb 1-2 ft. detail
Trachelospermum difforme Climbing Dogbane Perennial Vine to 20 ft. long detail
Tradescantia ohiensis Ohio Spiderwort Perennial Forb/herb 10 in.-4 ft. detail
Tradescantia subaspera Wide-leaved Spiderwort Perennial Forb/herb 1 1/2-3 ft. detail
Tradescantia virginiana Virginia Spiderwort Perennial Forb/herb 6-20 in. detail
Tragia urens Southeastern Noseburn Perennial Forb/herb 8-19 in. detail
Tragia urticifolia Nettleleaf Noseburn Perennial Vine, Forb/herb 1-2 ft. detail
Trautvetteria caroliniensis Carolina Bugbane Perennial Forb/herb 1.5-4 ft. detail
Triantha racemosa Southern Bog Asphodel Perennial Forb/herb 8-24 in. detail
Trichostema brachiatum False Pennyroyal Annual Forb/herb 6-15 in. detail
Trichostema dichotomum Forked Bluecurls Annual Forb/herb 1-2 ft. detail
Trichostema setaceum Narrowleaf Blue Curls Annual Forb/herb 4-12 in. detail
Trientalis borealis Maystar Perennial Forb/herb 3-10 in. detail
Trifolium arvense Rabbitfoot Clover Annual Forb/herb 4-16 in. detail
Trifolium aureum Golden Clover Annual, Biennial Forb/herb 6-14 in. detail
Trifolium campestre Field Clover Annual, Biennial Forb/herb 2-12 in. detail
Trifolium dubium Little Hop Clover Annual Forb/herb 2-8 in. detail
Trifolium hybridum Alsike Clover Annual, Perennial Forb/herb 6-22 in. detail
Trifolium incarnatum Crimson Clover Annual Forb/herb 11-25 in. detail
Trifolium pratense Red Clover Biennial, Perennial Forb/herb 6-22 in. detail
Trifolium reflexum Buffalo Clover Annual, Biennial Forb/herb 8-20 in. detail
Trifolium repens Dutch Clover Perennial Forb/herb 4-12 in. detail
Trifolium virginicum Kates Mountain Clover Perennial Forb/herb 4-6 in. detail
Trillium catesbaei Catesby’s Trillium Perennial Forb/herb 10-18 in. detail
Trillium cuneatum Little Sweet Betsy Perennial Forb/herb 6-11 in. detail
Trillium erectum Purple Trillium Perennial Forb/herb 6-24 in. detail
Trillium grandiflorum Great White Trillium Perennial Forb/herb 6-20 in. detail
Trillium luteum Yellow Trillium Perennial Forb/herb 4-12 in. detail
Trillium maculatum Mottled Trillium Perennial Forb/herb 5-16 in. detail
Trillium pusillum Dwarf Wakerobin Perennial Forb/herb 3-8 in. detail
Trillium rugelii Southern Nodding Trillium Perennial Forb/herb 6-16 in. detail
Trillium sessile Sessile Toadshade Perennial Forb/herb 4-12 in. detail
Trillium simile Sweet White Trillium Perennial Forb/herb 11-23 in. detail
Trillium sulcatum Barksdale’s Trillium Perennial Forb/herb 11-24 in. detail
Trillium undulatum Painted Trillium Perennial Forb/herb 8-16 in. detail
Trillium vaseyi Sweet Beth Perennial Forb/herb 12-28 in. detail
Triodanis biflora Small Venus’ Looking-glass Annual Forb/herb 6-20 in. detail
Triodanis perfoliata Venus’ Looking-glass Annual Forb/herb 4-12 in. detail
Triosteum perfoliatum Feverwort Perennial Forb/herb 2-4 ft. detail
Triphora trianthophora Three Birds Orchid Perennial Forb/herb 4-12 in. detail
Tussilago farfara Coltsfoot Perennial Forb/herb 3-12 in. detail
Typha angustifolia Narrowleaf Cattail Perennial Forb/herb 3-5 ft. detail
Typha latifolia Broadleaf Cattail Perennial Forb/herb 5-10 ft. detail
Urtica dioica ssp. gracilis American Stinging Nettle Perennial Forb/herb 2-7 ft. detail
Utricularia purpurea Purple Bladderwort Annual, Perennial Forb/herb 1-8 in. detail
Utricularia subulata Slender Bladderwort Annual, Perennial Forb/herb 1-8 in. detail
Uvularia grandiflora Large-flower Bellwort Perennial Forb/herb 8-24 in. detail
Uvularia perfoliata Perfoliate Bellwort Perennial Forb/herb 6-18 in. detail
Uvularia puberula Appalachian Bellwort Perennial Forb/herb 4-18 in. detail
Uvularia sessilifolia Sessileleaf Bellwort Perennial Forb/herb 6-10 in. detail
Valerianella radiata Beaked Cornsalad Annual Forb/herb 4-18 in. detail
Veratrum viride American False Hellebore Perennial Forb/herb 1-5 ft. detail
Verbascum blattaria Moth Mullein Biennial Forb/herb 2-5 ft. detail
Verbascum thapsus Common Mullein Biennial Forb/herb 2-6 ft. detail
Verbena brasiliensis Brazilian Vervain Annual Subshrub, Forb/herb to 8 ft. detail
Verbena hastata Blue Vervain Biennial, Perennial Forb/herb 1 1/2-5 ft. detail
Verbena officinalis European Vervain Annual Forb/herb 8-45 in. detail
Verbena rigida Tuberous Vervain Perennial Forb/herb 1-2 ft. detail
Verbena simplex Narrowleaf Vervain Perennial Forb/herb 8-26 in. detail
Verbena urticifolia Velvetleaf Vervain Perennial Forb/herb 1 1/2-8 ft. detail
Verbesina alternifolia Common Wingstem Perennial Forb/herb 3-9 ft. detail
Verbesina occidentalis Southern Crownbeard Perennial Forb/herb 3-10 ft. detail
Verbesina virginica White Crownbeard Biennial, Perennial Forb/herb 1 1/2-8 ft. detail
Vernonia acaulis Stemless Ironweed Perennial Forb/herb 2-3 ft. detail
Vernonia angustifolia Carolina Sandhill Ironweed Perennial Forb/herb 2-4 ft. detail
Vernonia gigantea Common Ironweed Perennial Forb/herb 3-10 ft. detail
Vernonia glauca Broadleaf Ironweed Perennial Forb/herb 3-5 ft. detail
Vernonia noveboracensis New York Ironweed Perennial Forb/herb 3-7 ft. detail
Veronica americana American Speedwell Perennial Forb/herb 4-36 in. detail
Veronica arvensis Corn Speedwell Annual Forb/herb 2-8 in. detail
Veronica hederifolia Ivyleaf Speedwell 2-14 in. detail
Veronica officinalis Common Speedwell Perennial Forb/herb 4-12 in. detail
Veronica peregrina Common Purslane Speedwell Annual Forb/herb 3-12 in. detail
Veronica persica Bird’s-eye Speedwell Annual Forb/herb 4-12 in. detail
Veronica serpyllifolia Thymeleaf Speedwell Perennial Forb/herb 4-12 in. detail
Veronicastrum virginicum Culver’s-root Perennial Forb/herb 2-4 ft. detail
Vicia caroliniana Carolina Vetch Perennial Vine, Forb/herb 1-5 ft. (long) detail
Vicia sativa Garden Vetch Annual Vine, Forb/herb 1-2 1/2 ft. detail
Vicia villosa Winter Vetch Annual, Biennial, Perennial Vine, Forb/herb 1-3 ft. detail
Vinca minor Common Periwinkle Perennial Vine, Forb/herb 4-8 in. detail
Viola arvensis European Field Pansy Annual Forb/herb 4-12 in. detail
Viola ×palmata Early Blue Violet Perennial Forb/herb 4-8 in. detail
Viola ×primulifolia Primrose-leaf Violet Perennial Forb/herb 2-10 in. detail
Viola bicolor Field Pansy Annual Forb/herb 1 1/2-12 in. detail
Viola blanda Sweet White Violet Perennial Forb/herb 1-10 in. detail
Viola brittoniana Coast Violet Perennial Forb/herb 2-8 in. detail
Viola canadensis Canadian White Violet Perennial Forb/herb 6-16 in. detail
Viola cucullata Bog Violet Perennial Forb/herb 4-10 in. detail
Viola hastata Halberd-leaf Violet Perennial Forb/herb 3-12 in. detail
Viola hirsutula Southern Woodland Violet Perennial Forb/herb 1-8 in. detail
Viola labradorica American Dog-violet Perennial Forb/herb 2-8 in. detail
Viola lanceolata Bog White Violet Perennial Forb/herb 2-10 in. detail
Viola pedata Bird’s-foot Violet Perennial Forb/herb 2-8 in. detail
Viola rostrata Long-spurred Violet Perennial Forb/herb to 10 in. detail
Viola rotundifolia Early Yellow Violet Perennial Forb/herb 3-6 in. detail
Viola sagittata Arrowleaf Violet Perennial Forb/herb 3-6 in. detail
Viola septemloba Southern Coastal Violet Perennial Forb/herb 2-10 in. detail
Viola sororia Common Blue Violet Annual, Perennial Forb/herb 2-8 in. detail
Viola striata Creamy Violet Perennial Forb/herb 6-13 in. detail
Viola tripartita Threepart Violet Perennial Forb/herb 5-15 in. detail
Viola walteri Prostrate Blue Violet Perennial Forb/herb to 4 in. (longer when prostrate) detail
Wahlenbergia marginata Southern Rockbell Perennial Forb/herb 1-2 ft. detail
Waldsteinia fragarioides Appalachian Barren Strawberry Perennial Forb/herb 3-6 in. detail
Xanthium strumarium Cocklebur Annual Forb/herb 1-6 ft. detail
Xerophyllum asphodeloides Beargrass Perennial Forb/herb 1-4 1/2 ft. detail
Xyris caroliniana Carolina Yelloweyed Grass Perennial Forb/herb 8 -36 in. detail
Xyris torta Mountain Yellow-eyed Grass Perennial Forb/herb 6-36 in. detail
Youngia japonica Asiatic Hawk’s-beard Annual Forb/herb 4-28 in. detail
Zephyranthes atamasca Atamasco Lily Perennial Forb/herb 6-8 in. detail
Zigadenus elegans Mountain Deathcamas Perennial Forb/herb 9-36 in. detail
Zigadenus glaberrimus Large Death-camas Perennial Forb/herb 1-3.5 ft. detail
Zizia aptera Heartleaf Golden-Alexanders Perennial Forb/herb 1-2.5 ft. detail
Zizia aurea Common Golden Alexanders Perennial Forb/herb 1-2.5 ft. detail
Zizia trifoliata Meadow Alexanders Perennial Forb/herb 1-3 ft. detail
Zornia bracteata Viperina Annual Forb/herb 8-22 in. (long) detail