Archive Plants by Common Name

Common Name	Scientific Name
Links on the common name are to a page of photos and plant information. Thumbnail photo page of Autumn flowers	Pages for thumbnail photos only: A - D E - M N - S T - Z

Botanical classification: Over the last several years Botanists have reclassified many plants from previous classifications. In some cases consolidating species and varieties and in some cases reclassifying to a different genus. We use the USDA Plants Database which in early 2010 completed a major update of these botanical classifications. Reference books in print will not reflect these recent updates until revised editions are published. While many plants may be known by a previous botanical name and, in many cases by a variety of common names, we have updated the listings on this website to the newest nomenclature.
Aaron's Rod: See - Live-forever, Witch's Moneybags	Hylotelephium telephium L. [Sedum telephium]
Agrimony	Agrimonia gryposepala Wallr.
Alternateleaf dogwood (Pagoda Dogwood)	Cornus alternifolia L. f.
Alum Root see American Alumroot	Heuchera americana L.
American Alumroot	Heuchera americana L.
American Bellflower (Tall Bellflower)	Campanula americana L.
American Bittersweet	Celastrus scandens L.
American Black Currant	Ribes americanum Mill.
American Black Elderberry	Sambucus nigra L. ssp. canadensis (L.) R. Bolli
American Bladdernut	Staphylea trifolia L.
American Cranberrybush (Highbush Cranberry)	Viburnum opulus L. var. americanum Aiton. Old = Viburnum trilobum
American Feverfew: See Wild Quinine	Parthenium integrifolium L.
American Germander (Wood Sage): See Canada Germander	Teucrium canadense L.
American Horsechestnut - see Ohio Buckeye
American Plum	Prunus americana Marsh.
American Senna (Wild Senna)	Senna hebecarpa (Fernald) Irwin & Barneby
Anise or Fragrant Giant Hyssop - see Blue Giant Hyssop	Agastache foeniculum (Pursh) Kuntze
Asters - See: Azure Aster (Sky-blue Aster) Calio Aster (Side Flowering) Flat-topped Aster Large-leaved Aster Many-flowered Aster New England Aster Panicled Aster Purple-stemmed Aster Sky Blue Aster Smooth Blue Aster Western Silver Aster (Silky Aster) White Arrowleaf Aster
Arrowleaf Tearthumb	Polygonum sagittatum L.
Arrow leaved Aster see White Arrowleaf Aster	Symphyotrichum urophyllum (Lindl.) G.L. Nesom
Autumn Onion (Wild Onion)	Allium stellatum Fraser ex Ker Gawl.
Azure Aster see Sky-blue Aster	Symphyotrichum oolentangiense (Riddell) [Aster azureus]
Baneberry, Red	Actaea rubra Willd.
Baneberry, Red (White berry type)	Actaea rubra Willd.
Bastard Toadflax	Comandra umbellata (L.) Nutt.
Begger-ticks - see Marsh Marigold
Bellflowers - see: Dane's Blood (Clustered Bellflower) Rampion Bellflower (European Bellflower) American Bellflower (Tall Bellflower)
Big Blue Stem	Andropogon gerardii Vitman
Bird's Foot Coreopsis (Stiff Coreopsis)	Oligoneuron rigidum (L.) Small [Solidago rigida]
Bishop's Cap - see Miterwort	Mitella diphylla L.
Bittersweet see American Bittersweet	Celastrus scandens L.
Bittersweet Nightshade: See Climbing Nightshade	Solanum dulcamara L.
Black-eyed Susan	Rudbeckia hirta L.
Black Alder See - Winterberry	Ilex verticillata (L.) A. Gray
Black Cohosh - see Black Bugbane	Actaea racemosa L. var. racemosa (Cimicifuga racemosa)
Blackberry	Rubus allegheniensis Porter
Blackberry Lily	Belamcanda chinensis (L.) DC.
Black Bugbane	Actaea racemosa L. var. racemosa (Cimicifuga racemosa)
Black Raspberry	Rubus occidentalis L.
Bladdernut see American Bladdernut	Staphylea trifolia L.
Blisterwort (Hooked Buttercup)	Ranunculus recurvatus Poir.
Bloodroot	Sanguinaria canadensis L.
Blue Cardinal Flower: See Great Blue Lobelia	Lobelia siphilitica L.
Blue Cohosh	Caulophyllum thalictroides (L.) Michx.
Blue Flag Iris	Iris versicolor L.
Blue Giant Hyssop	Agastache foeniculum (Pursh) Kuntze
Blue Wild Indigo (False Blue Indigo)	Baptisia australis (L.) R. Br.
Bluejacket	Tradescantia ohiensis Raf.
Bluntleaf Sandwort	Moehringia lateriflora (L.) Fenzl [old=Arenaria lateriflora]
Boneset	Eupatorium perfoliatum L.
Bottle Gentian (Closed Gentian)	Gentiana clausa Raf. and Gentiana andrewsii
Bouncing Bet (Soapwort)	Saponaria officinalis L.
Bracted Spiderwort	Tradescantia bracteata Small
Bridewort: See Queen of the Meadow	Filipendula ulmaria (L.) Maxim.
Bristly Buttercup: See Swamp buttercup	Ranunculus hispidus Michx.
Broadleaf Enchanter's Nightshade	Circaea lutetiana L. ssp. canadensis
Buckthorn - Common	Rhamnus cathartica L.
Bugbane see Black Bugbane	Actaea racemosa L. var. racemosa (Cimicifuga racemosa)
Bur Marigold (Beggar-ticks)	Bidens cernua L.
Bush Honeysuckle: See Northern Bush Honeysuckle)	Diervilla lonicera Mill.
Butter and Eggs	Linaria vulgaris Mill.
Butterfly Weed	Asclepias tuberosa L.
Buttercups - See: Hispid Buttercup Hooked Buttercup (Hooked Crowfoot) Rough Buttercup Swamp Buttercup (Bristly Buttercup) Tall Buttercup
Buttonbush - common	Cephalanthus occidentalis L.
Calico Aster (Side Flowering Aster)	Symphyotrichum lateriflorum L. [Aster lateriflorus]
California Nettle (Stinging Nettle)	Urtica dioica L. ssp. gracilis (Aiton) Seland.

Canada Elderberry see- American Black Elderberry	Sambucus nigra L. ssp. canadensis (L.) R. Bolli
Canada Germander	Teucrium canadense L.
Canada Goldenrod	Solidago canadensis L.
Canada Lily (Meadow Lily) (Wild Yellow Lily)	Lilium canadense L.
Canada Moonseed: See Common Moonseed	Menispermum canadense L.
Canada Tick-Trefoil: See Showy Ticktrefoil	Desmodium canadense (L.) DC.
Canadian Anemone	Anemone canadensis L.
Canadian Hawkweed (Yellow Hawkweed)	Hieracium kalmii L. var. fasciculatum (Pursh) Lepage [old - Hieracium canadense]
Canadian Milkvetch	Astragalus canadensis L.
Canadian Clearweed	Pilea pumila (L.) A.Gray
Canadian White Violet	Viola canadensis L.
Canadian Wildginger	Asarum canadense L.
Canadian Woodnettle	Laportea canadensis L.
Cardinal Flower	Lobelia cardinalis L.
Cattails - see: - Common Cattail - Narrow-leaved Cattail	Typha latifolia L. and Typha angustifolia L.
Celandine Poppy (Wood Poppy)	Stylophorum diphyllum (Michx.) Nutt.
Chicory	Cichorium intybus L.
Clearweed see - Canadian Clearweed	Pilea pumila (L.) A.Gray
Cleavers see Stickywilly	Galium aparine L.
Climbing Nightshade	Solanum dulcamara L.
Climbing Rose (Prairie Rose)	Rosa Setigera Michx.
Closed Gentian: See Bottle Gentian	Gentiana clausa Raf. and Gentiana andrewsii
Clustered Bellflower (Dane's Blood)	Campanula glomerata L.
Columbine (Red or Wild Columbine)	Aquilegia canadensis L.
Comfrey	Symphytum officinale
Common Blue Violet	Viola sororia Willd. (Viola papilionacea)
Common Buttonbush	Cephalanthus occidentalis L.
Common Cattail	Typha latifolia L.
Common Dogbane (Spreading Dogbane)	Apocynum androsaemifolium L.
Common Evening Primrose	Oenothera biennis L.
Common Fleabane see Philadelphia Fleabane	Erigeron philadelphicus L.
Common Milkweed	Asclepias syriaca L.
Common Moonseed	Menispermum canadense L.
Common Mullein	Verbascum thapsus L.
Common Ninebark	Physocarpus opulifolius (L.) Maxim.
Common Periwinkle	Vinca minor L.
Common St. Johnswort	Hypericum perforatum L.
Compass Plant	Silphium laciniatum L.
Coneflowers - see: Black-eyed Susan Green-headed Coneflower (Goldenglow) Gray-headed Coneflower Prairie Coneflower (Upright Coneflower) Purple Coneflower (Eastern Purple)
Cow Parsnip	Heracleum maximum Bartram
Creeping Jenny (Moneywort)	Lysimachia nummularia L.
Crinkleroot (Toothwort)	Cardamine diphylla (Michx) Alph. Wood
Culver's root	Veronicastrum virginicum (L.) Farw.
Cup Plant	Silphium perfoliatum L.
Curly Dock	Rumex crispus L.
Cut-leaved Toothwort	Cardamine concatenata (Michx.) (old- Dentaria laciniata)
Daisy Fleabane see Eastern Daisy Fleabane	Erigeron annuus (L.) Pers.
Dame's Rocket (Sweet Rocket) (Dame's Violet)	Hesperis matronalis L.
Dane's Blood (Clustered Bellflower)	Campanula glomerata L.
Daylily - see - Orange Daylily - Yellow Daylily
Dense Blazing Star	Liatris spicata (L.) Willd. var. spicata
Devil's Darning Needles: See Virgin's Bower	Clematis virginiana L.
Dogtooth Violet (Yellow Trout lily)	Erythronium americanum Ker Gawl.
Dogwoods - See - Gray Dogwood - Alternateleaf Dogwood (Pagoda) - Silky Dogwood (Pale Dogwood) - Red Osier Dogwood
Downy Yellow Violet	Viola pubescens Aiton
Drooping Trillium (Nodding Wakerobin)	Trillium flexipes Raf.
Dutchman's Breeches	Dicentra cucullaria (L.) Bernh.
Early Meadow Rue	Thalictrum dioicum L.
Eastern Daisy Fleabane	Erigeron annuus (L.) Pers.
Eastern False Rue anemone	Enemion biternatum Raf. (Isopyrum biternatum)
Eastern Hophornbeam - see Hophornbeam	Ostrya virginiana (Mill.) Koch
Eastern Leatherwood	Dirca palustris L.
Eastern Prickly Gooseberry	Ribes cynosbati L.
Eastern Purple Coneflower	Echinacea purpurea (L.) Moench
Eastern Redcedar	Juniperus virginiana L.
Eastern Swamp Saxifrage	Saxifraga pensylvanica L.
Eastern Waterleaf	Hydrophyllum virginianum L.
Elderberries -see: American Black Elderberry Red Elderberry
Enchanter's Nightshade see Broadleaf Enchanger's Nightshade	Circaea lutetiana L. ssp. canadensis [Circaea quadrisulcata]
European Bellflower see - Rampion Bellflower	Campanula rapunculoides L.
Evening Primrose - Common Evening Primrose	Oenothera biennis L.
False Blue Indigo see Blue Wild Indigo	Baptisia australis (L.) R. Br.
False White Indigo see White Wild Indigo	Baptisia alba (L) Vent.
False Dragonhead see -Obediant Plant	Physostegia virginiana (L.) Benth.
False Rue anemone (Eastern False Rue anemone)	Enemion biternatum Raf. (Isopyrum biternatum)
False Solomon's-seal: See Feathery False Lily of the Valley	Maianthemum racemosum (L.) Link ssp. racemosum Old=Smilacina racemosa
Field Pussytoes	Antennaria neglecta Greene
Field Thistle	Cirsium discolor (Muhl. ex Willd.) Spreng.
Fireweed (Great Willow Herb)	Chamerion angustifolium (L.) Holub [Epilobium angustifolium]
Flat-topped Aster	Doellingeria umbellata (Mill.) [Aster umbellatus]
Fleabanes - see: - Common Fleabane - Daisy Fleabane - Lesser Daisy Fleabane - Philadelphia - see Common - Prairie - see Lesser
Flowering Raspberry (Thimbleberry)	Rubus parviflorus Nutt.
Flowering Spurge	Euphorbia corollata L.
Foamflower (Heartleaf Foamflower)	Tiarella cordifolia L.
Forget-Me-Not (True Forget-me-not)	Myosotis scorpioides L.
Four o'clock see Wild Four o'clock	Mirabilis nyctaginea (Michx.) MacMill.
Foxglove - Grecian	Digitalis lanata Ehrh.
Foxglove Beardtongue see Talus Slope Penstemon	Penstemon digitalis Nutt. ex Sims
Fragrant Giant Hyssop - see Blue Giant Hyssop
Fringed Loosestrife	Lysimachia ciliata L.
Garden Phlox	Phlox paniculata L.
Garlic Mustard	Alliaria petiolata (M. Bieb.) Cavara & Grande
Gentians - see: Bottle (Closed) Gentian Plain Gentian (Pale, Yellow, Cream Gentian)
Goatsbeard	Tragopogon lamottei Rouy [Tragopogon pratensis]
Golden Zizias (Golden Alexanders)	Zizia aurea (L.) W.D.J. Koch
Golden Ragwort	Packera aurea (L.) A. Löve & D. Löve [Senecio aureus]
Goldenglow - see Green-headed Coneflower	Rudbeckia lanciniata L.
Goldenrods - see: - Canada Goldenrod - Grass-leaved Goldenrod - Showy Goldenrod - Stiff Goldenrod (Hard-leaved) - Zig-Zag Goldenrod
Grass-leaved Goldenrod	Euthamia graminifolia (L.) Nutt. var. graminifolia. Older = Solidago graminifolia
Gray Dogwood	Cornus racemosa Lam.
Great Blazing Star	Liatris pycnostachy
Great Blue Lobelia	Lobelia siphilitica L.
Great Indian Plantain	Arnoglossum reniforme (Hook.) H. Rob. formerly Cacalia muhlenbergii
Great Solomon's Seal (Smooth Solomon's Seal)	Polygonatum biflorum (Walter) Elliott
Great Willow Herb: See Fireweed	Chamerion angustifolium L. [Epilobium angustifolium]
Greater Yellow Lady's-slipper	Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight (older -Cypripedium calceolus var. pubescens)
Green-headed Coneflower (Goldenglow)	Rudbeckia laciniata L.
Gray-headed Coneflower	Ratibida pinnata (Vent.) Barnhart
Greek Valerian (Jacob's Ladder)	Polemonium reptans L.
Groundnut (Wild Bean)	Apios americana Medik.
Grove Sandwort: See Bluntleaf Sandwort	Moehringia lateriflora L. [old=Arenaria lateriflora]
Hawkweeds - see: - Canada Hawkweed (Yellow Hawkweed) - Orange Hawkweed
Hairy Sunflower (Woodland Sunflower)	Helianthus hirsutus Raf.
Hairy Wood Mint	Blephilia hirsuta (Pursh) Benth.
Hawthorn	Crataegus chrysocarpa
Heal-all (Self Heal)	Prunella vulgaris
Heartleaf Foamflower	Tiarella cordifolia L.
Heartleaf Four-o'clock (Heart-leaf Umbrellawort)	Mirabilis nyctaginea (Michx.) MacMill.
Hedge False Bindweed (Wild Morning Glory)	Calystegia sepium (L.) R. Br. ssp. angulata Brummitt (old - Convolvulus sepium)
Hepatica (Roundlobe and Sharplobe)	Hepatica nobilis Schreb. var. obtusa (Pursh) Steyerm. and Hepatica nobilis Schreb. var. acuta (Pursh) Steyerm.
Hermit of the Bog - See Skunk Cabbage
Highbush Cranberry see American Cranberrybush	Viburnum opulus L. var. americanum Aiton. Old = Viburnum trilobum
Hispid Buttercup: See Swamp Buttercup	Ranunculus hispidus Michx.
Hooked Crowfoot (Hooked Buttercup) (Blisterwort)	Ranunculus recurvatus Poir.
Hophornbeam (Ironwood)	Ostrya virginiana (Mill.) Koch
Horse Gentian: See: Orangefruit Horse Gentian	Triosteum aurantiacum E.P. Bicknell
Indian Cup: See Cup Plant	Silphium perfoliatum L.
Indian Grass	Sorghastrum nutans (L.) Nash
Indianhemp	Apocynum cannabinum L.
Indian Turnip: See Jack-in-the-Pulpit	Arisaema triphyllum (L.) Schott
Interrupted Fern	Osmunda claytoniana L.
Ironwood See Hophornbeam	Ostrya virginiana (Mill.) Koch
Jack-in-the-pulpit (Indian Turnip)	Arisaema triphyllum (L.) Schott
Jacob's-ladder see: Greek Valerian	Polemonium reptans L.
Jewelweeds see: Pale Jewelweed Jewelweed (spotted)	Jewelweeds: Impatiens pallida Nutt. Impatiens capensis Meerb. (I. biflora)
Joe-Pye Weeds see -Spotted Joe-Pye Weed -Sweet Joe-Pye Weed
Kentucky Coffeetree	Gymnocladus dioicus (L.) K. Koch
King of the Meadow (Tall Meadow Rue)	Thalictrum pubescens Pursh
Lady's-slippers see: - Showy Lady's-slipper - Greater Yellow Lady's-slipper

Larch See: Tamarack	Larix laricina (Du Roi) K. Koch
Largeflower Bellwort	Uvularia grandiflora Sm.
Large-flowered Trillium (White Trillium)	Trillium grandiflorum (Michx) Salisb.
Large-leaved Aster	Eurybia macrophylla L. [Old name = Aster macrophyllus]
Lead Plant	Amorpha canescens Pursh
Leafy Spurge	Euphorbia esula L.
Leatherwood: See Eastern Leatherwood	Dirca palustris L.
Leopard Flower - see Blackberry Lily	Belamcanda chinensis (L.) DC.
Lesser Daisy Fleabane	Erigeron strigosus Muhl. ex Willd.
Lilies - see: - Blackberry Lily (Leopard Flower) - Canada Lily (Meadow - Wild Yellow Lily) - Turk's Cap Lily
Live-forever - see - Witch's Moneybags	Hylotelephium telephium L. [Sedum telephium]
Maidenhair Fern see Northern Maidenhair Fern	Adiantum pedatum L.
Maltesecross	Lychnis chalcedonica L.
Many-flowered Aster	Symphyotrichum ericoides L. [Aster ericoides]
Maple, Mountain	Acer spicatum Lam.
Maple, Striped	Acer pensylvanicum L.
Marsh Marigold -Yellow (Cowslip)	Caltha palustris L.
May Apple	Podophyllum peltatum L.
Meadow Evening Primrose	Oenothera pilosella Raf.
Meadow sweet: See Queen of the Meadow	Filipendula ulmaria (L.) Maxim.
Milkweeds - see - Common Milkweed - Polk Milkweed - Swamp Milkweed
Miterwort see: Twoleaf Miterwort	Mitella diphylla L.
Moneywort see Creeping Jenny	Lysimachia nummularia L.
Moonseed: See Common Moonseed	Menispermum canadense L.
Mountain Maple	Acer spicatum Lam.
Mullein(Common)	Verbascum thapsus L.
Nannyberry	Viburnum lentago L.
Nettles - see - Canadian Clearweed - California Nettle (Stinging Nettle) - Canadian Woodnettle
Narrow-leaved Cattail	Typha angustifolia L.
New England Aster	Symphyotrichum novae-angliae L. [Aster novae-angliae]
New England Blazing Star (Northern Blazing Star)	Liatris scariosa (L.) Willd. var. novae-angliae Lunell
Ninebark - see Common Ninebark	Physocarpus opulifolius (L.) Maxim.
New Jersey Tea	Ceanothus americanus L.
Nodding Wakerobin (Drooping Trillium)	Trillium flexipes Raf.
Nodding Wild Onion	Allium cernuum Roth.
Northern Bedstraw	Galium boreale L.
Northern Blazing Star New England Blazing Star	Liatris scariosa (L.) Willd. var. novae-angliae Lunell
Northern Bush Honeysuckle	Diervilla lonicera Mill.
Northern Maidenhair Fern	Adiantum pedatum L.
Obediant Plant -(False Dragonhead)	Physostegia virginiana (L.) Benth.
Ohio Buckeye (American Horse-chestnut)	Aesculus glabra Willd.
Old Man's Beard: See Virgin's Bower	Clematis virginiana L.
Old Man's Whiskers	Geum triflorum Pursh
Orange Daylily	Hemerocallis fulva L.
Orange Hawkweed	Hieracium aurantiacum L.
Orangefruit Horse Gentian	Triosteum aurantiacum E.P. Bicknell
Oxeye Daisy	Leucanthemum vulgare Lam (Older - Chrysanthemum leucanthemum)
Pagoda Dogwood see Alternateleaf Dogwood	Cornus alternifolia L. f.
Pale Corydalis (Rock Harlequin)	Corydalis sempervirens (L.) Pers.
Pale Dogwood see Silky Dogwood	Cornus obliqua Raf.
Pale Indian Plantain see - Great Indian Plantain	Arnoglossum atriplicifolium (L.) H. Rob.
Pale Jewelweed (Pale Touch-me-not)	Impatiens pallida Nutt.
Paleleaf Sunflower	Helianthus strumosus L.
Paleyellow Iris (Yellow Flag)	Iris pseudacorus L.
Panicled Aster	Symphyotrichum lanceolatum (Willd.)
Partridge-pea	Chamaecrista fasciculata (Michx.)
Pepperroot: See Cut-leaved Toothwort	Cardamine concatenata (Michx.) (old- Dentaria laciniata)
Philadelphia Fleabane (Common fleabane)	Erigeron philadelphicus L.
Phlox - Garden	Phlox paniculata L.
Phlox - Wild Blue	Phlox divaricata L.
Plain Gentian	Gentiana alba Muhl. ex Nutt. (old Gentaina flavida)
Pointedleaf Tick-trefoil	Desmodium glutinosum (Muhl. ex Willd.)
Prairie Coneflower (Upright Prairie Coneflower)	Ratibida columnifera (Nutt.) Woot. & Standl.
Prairie Dock (Prairie Rosinweed)	Silphium terebinthinaceum Jacq.
Prairie Sage (White sage) (Western Mugwort)	Artemisia ludoviciana Nutt.
Prairie Shooting Star: See Pride of Ohio	Dodecatheon meadia L. ssp. meadia
Prairie Smoke: See Old Man's Whiskers	Geum triflorum Pursh
Prairie Sundrops see Meadow Evening Primrose	Oenothera pilosella Raf.
Prairie Wild Rose	Rosa arkansana Porter
Prairie Rose - see Climbing Rose	Rosa Setigera Michx.
Prickly Gooseberry - See Eastern Prickly Gooseberry	Ribes cynosbati L.
Primroses, see: -Evening Primrose -Meadow Evening Primrose (Prairie Sundrops)
Pride of Ohio	Dodecatheon meadia L. ssp. meadia
Purple Bergamot	Monarda media
Purple Coneflower see - Eastern Purple Coneflower	Echinacea purpurea (L.) Moench
Purple Prairie Clover	Dalea purpurea Vent. (Petalostemum purpureum)
Purple Stemmed Aster (Red-Stemmed)	Symphyotrichum puniceum (L.) A. Löve & D. Löve
Purple Trillium (Red Trillium)	Trillium erectum L.
Pussy Willow	Salix discolor Muhl.
Pussytoes - Field	Antennaria neglecta Greene
Queen of the Meadow	Filipendula ulmaria (L.) Maxim.
Ragwort, Golden	Packera aurea L. [Senecio aureus]
Rampion Bellflower (European Bellflower)	Campanula rapunculoides L.
Raspberry, Black - see - Black Raspberry	Rubus occidentalis L.
Raspberry, Red - see Wild Red Raspberry	Rubus idaeus L. and Rubus idaeus L. var. strigosus
Rattlesnake Root see White Rattlesnake Root	Prenanthes alba L.
Red Baneberry	Actaea rubra Willd.
Red Clover	Trifolium pratense L.
Red Columbine	Aquilegia canadensis L.
Red Elderberry (Elderberry) (Common Elderberry)	Sambucus racemosa L. var. racemosa.
Red Juniper: See Eastern Redcedar	Juniperus virginiana L.
Red Osier Dogwood	Cornus sericea L. ssp. sericea
Red Puccoon: See Bloodroot	Sanguinaria canadensis L.
Red Trillium see - Purple Trillium	Trillium erectum L.
Red Turtlehead	Chelone obliqua L.
Red-stemmed Aster see- Purple Stemmed Aster	Symphyotrichum puniceum (L.) A. Löve & D. Löve[Aster puniceus]
Rock Harlequin (Pale Corydalis)	Corydalis sempervirens (L.) Pers.
Rosin-weed see Wholeleaf Rosinweed	Silphium integrifolium Michx.
Rough Buttercup	Ranunculus hispidus Michx.
Roundlobe Hepatica	Hepatica nobilis Schreb. var. obtusa (Pursh) Steyerm.
Rue-anemone	Thalictrum thalictroides (L.) Eames & B. Boivin
Running Myrtle see Common Periwinkle	Vinca minor L.
St. Johnswort, common	Hypericum perforatum L.
Sandwort, Blunt-leaf	Moehringia lateriflora L. [old=Arenaria lateriflora]
Scarlet Lychnis: See Maltesecross	Lychnis chalcedonica L.
Self-Heal see- Heal-all
Sissileleaf Bellwort	Uvularia sessilifolia L.
Sharplobe Hepatica	Hepatica nobilis Schreb. var. acuta (Pursh) Steyerm.
Shooting Star: See Pride of Ohio	Dodecatheon meadia L. ssp. meadia
Showy Goldenrod	Solidago speciosa Nutt.
Showy Lady's-slipper	Cypripedium reginae Walter
Showy Ticktrefoil (Canada Tick-trefoil)	Desmodium canadense (L.) DC.
Side-flowering Aster see Calico Aster	Symphyotrichum lateriflorum L. [Aster lateriflorus]
Silky Aster see Western Silver Aster	Symphyotrichum sericeum (Vent.) G.L. Nesom
Silky Dogwood (Pale Dogwood)	Cornus obliqua Raf.
Skunk Cabbage	Symplocarpus foetidus (L.) Salisb. ex Nutt.
Sky-blue Aster	Symphyotrichum oolentangiense (Riddell) G.L. Nesom [Aster azureus]
Smooth Blue Aster	Symphyotrichum laeve (L.) A. Löve & D. Löve [Aster laevis]
Smooth Oxeye	Heliopsis helianthoides (L) Sweet
Smooth Rose (Wild Rose)	Rosa blanda Aiton
Smooth Solomon's Seal (Great Solomon's Seal)	Polygonatum biflorum (Walter) Elliott
Snow Trillium	Trillium nivale Riddell
Soapwort see - Bouncing Bet	Saponaria officinalis L.
Spiderwort - (Bluejacket)	Tradescantia ohiensis Raf.
Spiderwort - (bracted Spiderwort)	Tradescantia bracteata Small
Spiked Blazing Star see Dense Blazing Star	Liatris spicata (L.) Willd. var. spicata
Spotted Geranium (Wild Geranium)	Geranium maculatum L.
Spotted Jewelweed see Jewelweed	Impatiens capensis Meerb. (I. biflora)
Spotted Joe-Pye Weed	Eupatoriadelphus maculatus (L.) King & H. Rob. (Eupatorium maculatum)
Spreading Dogbane	Apocynum androsaemifolium L.
Stickywilly (Cleavers)	Galium aparine L.
Stiff Coreopsis	Coreopsis palmata Nutt.
Stiff Goldenrod	Oligoneuron rigidum (L.) Small [Solidago rigida]
Stiff Tickseed - see Stiff Coreopsis	Coreopsis palmata Nutt.
Yellow Sunflower types - see: - Compass Plant - Cup Plant - Hairy Sunflower (Woodland Sunflower) - Paleleaf Sunflower - Prairie Rosinweed (Prairie Dock) - Rosinweed - Smooth Oxeye
Stinging Nettle see - California Nettle	Urtica dioica L. ssp. gracilis (Aiton) Seland.
Striped Maple	Acer pensylvanicum L.
Swamp Buttercup (Bristly Buttercup)	Ranunculus hispidus Michx.
Swamp Milkweed	Asclepias incarnata L.
Swamp Saxifrage - Eastern	Saxifraga pensylvanica L.
Sweet Joe-Pye Weed	Eupatorium purpureum L.
Sweet Rocket - see Dame's Rocket
Sweet Viburnum: See Nannyberry	Viburnum lentago L.
Tall Bellflower see American Bellflower	Campanula americana L.
Tall Buttercup	Ranunculus acris L.
Tall Meadow-rue see - King of the Meadow	Thalictrum pubescens Pursh (Older - Thalictrum polygamum)
Talus Slope Penstemon	Penstemon digitalis Nutt. ex Sims
Tamarack (Larch)	Larix laricina (Du Roi) K. Koch
Thimbleberry (Flowering Raspberry)	Rubus parviflorus Nutt.
Thimbleweed	Anemone virginiana L.
Tick Trefoils - see: - Canada Tick Trefoil (Showy Tick Trefoil) - Pointed-leaved Tick Trefoil
Toadflax, Bastard	Comandra umbellata (L.) Nutt.
Toadshade (Sessile Trillium)	Trillium sessile L.
Trilliums - see: - Nodding Wakerobin (Drooping Trillium or Declining Trillium) - Red Trillium (Purple Trillium) - Snow Trillium - Toadshade (Sessile Trillium) - White Trillium (Large-flowered Trillium) - Yellow Wakerobin (Yellow Trillium)
Toothwort (Crinkleroot) (Two-leaved toothwort)	Cardamine diphylla (Michx) Alph. Wood (Dentaria diphylla)
True forget-me-not	Myosotis scorpioides L.
Turk's-cap Lily	Lilium superbum L. and Lilium michiganense L.
Turtlehead (White Turtlehead)	Chelone glabra L.
Twinleaf	Jeffersonia diphylla (L.) Pers.
Twoleaf Miterwort	Mitella diphylla L.
Upright Prairie Coneflower	Ratibida columnifera (Nutt.) Woot. & Standl.
Veiny Pea (Veiny Vetchling)	Lathyrus venosus Muhl. ex Willd.
Violets - see: Canadian White Violet Common Blue Violet, (Wooly Blue Violet) Downy Yellow Violet
Virgin's Bower	Clematis virginiana L.
Virginia Bluebells	Mertensia virginica (L.) Pers. ex Link
Virginia Mountain Mint	Pycnanthemum virginianum L.
Virginia Waterleaf see Eastern Waterleaf	Hydrophyllum virginianum L.
Water Arum	Calla palustris L.
Water Horsetail	Equisetum fluviatile L.
Western Mugwort (Prairie Sage)	Artemisia ludoviciana Nutt.
Western Silver Aster (Silky Aster)	Symphyotrichum sericeum (Vent.) G.L. Nesom
White Arrowleaf Aster	Symphyotrichum urophyllum (Lindl.) G.L. Nesom
White Avens	Geum canadense Jacq.
White Fawnlily (White Trout lily)	Erythronium albidum Nutt.
White Prairie Clover	Dalea candida Michx. ex Willd
White Rattlesnake Root	Prenanthes alba L.
White Sage - See Prairie Sage
White Snakeroot	Ageratina altissima L. [Eupatorium rugosum]
White Trillium (Large Flowered Trillium)	Trillium grandiflorum (Michx) Salisb.
White Trout-lily (White Fawnlily)	Erythronium albidum Nutt.
White Turtlehead - see Turtlehead
White Vervain	Verbana urticifoli
White Wild Indigo (False White Indigo)	Baptisia alba (L) Vent.
Wholeleaf Rosinweed (Rosinweed)	Silphium integrifolium Michx.
Whorled Loosestrife	Lysimachia quadrifolia L.
Wild Anise - see Blue Giant Hyssop	Agastache foeniculum (Pursh) Kuntze
Wild Bean (Groundnut)	Apios americana Medik.
Wild Bergamont	Monarda fistulosa L.
Wild Black Currant	Ribes americanum Mill.
Wild Blue Indigo - see Blue Wild Indigo	Baptisia australis (L.) R. Br.
Wild Blue Phlox	Phlox divaricata L.
Wild White Indigo - see White Wild Indigo
Wild Calla	Calla palustris L.
Wild (Red) Columbine	Aquilegia canadensis L.
Wild Four-o clock: See Heartleaf Four O'clock	Mirabilis nyctaginea (Michx.) MacMill.
Wild Geranium (Spotted Geranium)	Geranium maculatum L.
Wild Ginger (Canadian Wildginger)	Asarum canadense L.
Wild Morning Glory: See Hedge False Bindweed)	Calystegia sepium (L.) R. Br. ssp. angulata Brummitt (old - Convolvulus sepium)
Wild Oats see Sissileleaf Bellwort	Uvularia sessilifolia L.
Wild Onion - see Autumn Onion	Allium stellatum Fraser ex Ker Gawl.
Wild Pea - see Veiny Pea	Lathyrus venosus Muhl. ex Willd.
Wild Quinine (American Feverfew)	Parthenium integrifolium L.
Wild Red Raspberry	Rubus idaeus L.
Wild Roses	Rosa blanda Aiton & Rosa arkansana Porter

Wild Senna see American Senna	Senna hebecarpa (Fernald) Irwin & Barneby
Winterberry	Ilex verticillata (L.) A. Gray
Witch Hazel	Hamamelis virginiana L.
Witch's Moneybags (Live-forever)	Hylotelephium telephium L. [Sedum telephium]
Wood Anemone	Anemone quinquefolia L.
Wood Nettle see - Canadian Woodnettle	Laportea canadensis L.
Wood Poppy (Celandine Poppy)	Stylophorum diphyllum (Michx.) Nutt.
Wood Sage - see Canada Germander	Teucrium canadense L.
Wood Strawberry	Fragaria vesca L.
Woodland Sunflower see - Hairy Sunflower	Helianthus hirsutus Raf.
Yarrow	Achillea millefolium var. lanulosa
Yellow Daylily	Hemerocallis lilioasphodelus L. (Old H. flava)
Yellow Flag - see Paleyellow Iris	Iris pseudacorus L.
Yellow Hawkweed see Canadian Hawkweed	Hieracium kalmii L. var. fasciculatum (Pursh) Lepage [old - Hieracium canadense]
Yellow Lady's-slipper (Greater)	Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight (older -Cypripedium calceolus var. pubescens)
Yellow Marsh Marigold	Caltha palustris L.
Yellow Ox-eye - see Smooth Oxeye	Heliopsis helianthoides (L) Sweet
Yellow Trillium (Yellow wakerobin)	Trillium luteum (Muhl.) Harbison
Yellow Trout-lily (Dogtooth Violet)	Erythronium americanum Ker Gawl.
Yellow Violet (Downey Yellow Violet)	Viola pubescens Aiton
Yellow Wakerobin (Yellow Trillium)	Trillium luteum (Muhl.) Harbison
Zig-zag Goldenrod	Solidago flexicaulis L.

For References used on the plant pages see:	Reference List
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