The Nature Conservancy in Ohio

Forbs (317 species)

Updated December 2006

Achillea millefolium - Yarrow

Grasspink Orchid
Grass Pink Orchid
TNC file photo

*Actea rubra - Red Baneberry
*Agalinis gattingeri - Gattinger’s Foxglove
Agalinis purpurea - Purple Gerardia
Agalinis tenuifolia - Slender Gerardia
Agrimonia gryposepala - Agrimony
Agrimonia parviflora - Small-flowered Agrimony
Aletris farinosa - Colicroot
Alisma subcordatum - Southern Water Plantain
Alisma triviale - Large Water Plantain
Allium cernuum - Nodding Wild Onion
Ambrosia artemisiifolia - Common Ragweed
Ambrosia trifida - Great Ragweed
Amphicarpa bracteata - Hog Peanut
*Anemone cylindrica -Prairie Thimbleweed
Anemone quinquefolia -Wood Anemone
Anemone virginiana - Thimbleweed
Angelica venenosa - Hairy Angelica
Antennaria neglecta - Field Pussytoes
Antennaria plantaginea - Plantain-leaved Pussytoes
Apios americana - Groundnut
Apocynum androsaemifolium - Spreading Dogbane
Apocynum cannabinum - Indian Hemp
*Apocynum sibiricum - Clasping-leaved Dogbane
Aquilegia canadensis - Wild Columbine
Arabis canadensis - Sicklepod
Arabis glabra - Tower Mustard
*Arabis lyrata - Lyre-leaved Rockcress
*Arabis missouriensis var. deamii - Missouri Rockcress
Aralia nudicaulis - Wild Sarsaparilla
Arisaema dracontium - Green Dragon
Ariseama triphyllum - Jack-in-the-Pulpit
Asclepias amplexicaulis - Sand Milkweed
Asclepias hirtella - Tall Green Milkweed
Asclepias incarnata - Swamp Milkweed
Asclepias purpurescens - Purple Milkweed
Asclepias syriaca - Common Milkweed
Asclepias sullivantii - Prairie Milkweed
Asclepias tuberosa - Butterfly Milkweed
Asclepias verticillata - Whorled Milweed
*Aster dumosus - Bushy Aster
Aster ericoides - Heath Aster
Aster firmus - Shining Aster
Aster laevis - Smooth Aster
Aster lateriflorus - Calico Aster
Aster macrophyllus - Large-leaved Aster
Aster novae-angliae - New England Aster
Aster oolentangiensis - Sky Blue Aster
Aster pilosus var pilosus - Heath Aster
Aster praealtus - Willow Aster
Aster racemosus - Small-headed Aster
Aster sagittifolius - Arrow-leaved Aster
Aster shortii - Short’s Aster
Aster umbellatus - Flat-topped Aster
Aureolaria flava - Smooth False Foxglove
*Aureolaria pedicularia var. ambigens - Prairie Fern-leaved False Foxglove
Baptisia tinctoria - Yellow Wild Indigo
Bartonia virginica - Yellow Bartonia
Bidens aristosa - Bur Marigold
Bidens coronata - Tickseed Sunflower
Bidens frondosa - Beggar Ticks
Bidens tripartita - Beggar-ticks(including B. connata)
Boehmeria cylindrica - False Nettle
*Calopogon tuberosus - Grass Pink Orchid
Caltha palustris - Marsh Marigold
Cardamine bulbosa - Spring Cress
Castilleja coccinea - Indian Paintbrush
Chamaecrista fasciculata - Partridge Pea
Chelone glabra - Turtlehead
Chenopodium missuriense -
Cicuta maculata - Water Hemlock
Circaea letutiana var canadensis - Enchanter’s Nightshade
Cirsium discolor- Field Thistle
Cirsium muticum - Swamp Thistle
Collinsonia canadensis - Northern Horse Balm
Comandra umbellata - Bastard Toadflax
Conopholis americana - Squawroot
Convovulus sepium - Hedge Bindweed
Convovulus spithameus - Upright Bindweed
Conyz canadensis - Horseweed
Coreopsis lanceolata - Lance-leaved Coreopsis
Coreopsis tripteris - Tall Coreopsis
Cuscuta gronovii - Common Dodder
Cypripedium calceolus var. pubescens - Yellow Lady’s Slipper
*Descurainia pinnata - Tansy-mustard
Desmodium canadense - Showy Tick Trefoil
Desmodium ciliare - Little-leaf Tick Trefoil
Desmodium glutinosum - Pointed-leaf Tick Trefoil
*Desmodium illinoense - Prairie Tick Trefoil (no longer on the preserve?)
Desmodium marilandicum - Maryland Tick Trefoil
Desmodium paniculatum - Panicled Tick Trefoil
*Desmodium sessilifolium - Sessile-leaved Tick Trefoil
Diodia teres - Buttonweed
Dioscorea villosa - Wild Yamroot
*Drosera intermedia - Spatulate-leaved Sundew
*Epilobium angustifolium - Fireweed
Epilobium coloratum - Purple-leaved Willow Herb
Erigeron philedelphicus - Common Fleabane
Erigeron strigosus - Lesser Daisy Fleabane
Eupatorium altissimum - Tall Boneset
Eupatorium fistulosum - Hollow-stemmed Joe-Pye Weed
Eupatorium maculatum - Spotted Joe-Pye Weed
Eupatorium perfoliatum - Boneset
Eupatorium serotinum - Late Boneset
Euphorbia corollata - Flowering Spurge
Euthamia graminifolia - Grass-leaved Goldenrod
*Euthamia remota - Great Lakes Goldenrod
Fimbristylis autumnalis - Autumn Sedge
Fragaria virginiana - Wild Strawberry
Galium aparine - Cleavers
Galium circaezans - Wild Licorice
Galium obtusum - Bluntleaf Bedstraw
Galium pilosum - Hairy Bedstraw
Galium tinctorium - Southern Three-lobed Bedstraw
Galium triflorum - Sweet-scented Bedstraw
Gaura biennis - Biennial Gaura
Gentiana andrewsii - Bottle Gentian
*Gentiana saponaria - Soapwort Gentian
*Gentianopsis crinita - Large Fringed Gentian
*Geranium bicknellii - Bicknell’s Cranes-bill
Geranium carolinianum - Carolina Cranes-bill
Geranium maculatum - Wild Geranium
Geum canadense - White Avens
Geum laciniatum - Rough Avens
Gnaphalium obtusifolium - Sweet Everlasting
Hackelia virginiana - Virginia Stickseed
*Hedeoma hispidum - Rough Pennyroyal
*Helianthemum bicknellii - Bicknell’s Frostweed
*Helianthemum canadense - Canada Frostweed
Helianthus divaricatus - Woodland Sunflower
Helianthus giganteus - Giant Sunflower
Helianthus grossesaratus - Sawtooth Sunflower
Helianthus hirsutus - Hairy Sunflower
*Helianthus occidentalis - Western Sunflower
Helianthus tuberosus - Jerusalem Artichoke
Heliopsis helianthoides - Oxeye
Heuchera americana - Alum Root
*Hieracium canadense - Canada Hawkweed
Hieracium gronovii - Hairy Hawkweed
Hieracium paniculatum - Panicled Hawkweed
Hieracium scabrum - Rough Hawkweed
Houstonia sp.?
Humulus lupulus - Common Hop
*Hypericum canadense - Canada St. Johnswort
Hypericum drumondii - Nits-and-Lice
Hypericum gentianoides - Pineweed
*Hypericum majus - Larger Canada St. Johnswort
Hypericum mutilum - Dwarf St. Johnswort
Hypericum punctatum - Spotted St. Johnswort
Hypoxis hirsuta - Yellow Star Grass
Impatiens capensis - Jewelweed
Impatiens pallida - Pale Jewelweed
Iris versicolor - Blue-flag Iris
Isotria verticillata - Whorled Pogonia
Krigia biflora - Two-flowered Cynthia
*Krigia virginica - Dwarf Dandelion
Lactuca canadensis - Wild Lettuce
Lactuca floridana - Tall blue lettuce
Lathyrus palustris - Marsh Vetchling
*Lechea intermedia - Round-fruited Pinweed
*Lechea minor - Thyme-leaf Pinweed
*Lechea pulchella - Leggett’s Pinweed
*Lechea villosa - Hairy Pinweed
Lepidium virginicum - Wild Peppergrass
Lespedeza capitata - Rounded-headed Bush Clover
Lespedeza hirta - Hairy Bush Clover
Lespedeza intermedia - Wand-like Bush Clover
Lespedeza virginica - Slender Bush Clover
Leucospora multifida - Obe-wan-conobea
Liatris aspera - Rough Blazing Star
Liatris spicata - Dense Blazing Star
Lilium michiganense - Michigan Lily
*Lilium philadelphicum -Wood Lily
*Linaria canadensis - Blue Toadflax
Lindernia dubia - False Pimpernel
Linum medium var texanum - Common Yellow Flax
Liparis lilifolia - Large Twayblade
Liparis loeselii - Fen Orchid
Lithospermum canescens - Hoary Puccoon
*Lithospermum caroliniense - Plains Puccoon
Lobelia cardinalis - Cardinal Flower
Lobelia inflata - Indian Tobacco
Lobelia siphilitica - Great Blue Lobelia
Lobelia spicata - Spiked Lobelia
Ludwigia alternifolia - Seedbox
Ludwigia palustris - Water Purslane
*Lupinus perennis - Wild Lupine
Lycopus americanus - Water Horehound
Lycopus uniflorus - Northern Bugleweed
Lysimachia ciliata - Fringed Loosestrife
Lysimachia lanceolata - Lance-leaved Loosestrife
Lysimachia quadrifolia - Whorled Loosestrife
Lysimachia terrestris - Swamp Candles
Lysimachia thrysiflora - Tufted Loosestrife
Lythrum alatum - Winged Loosestrife
Maianthemum canadense - Canada Mayflower
*Melampyrum lineare - Cow Wheat
Meneola virginiana - Indian Cucumber Root
Menispermum canadense - Moonseed
Mentha arvensis - Wild Mint
Mimulus ringens - Monkeyflower
Mittella diphylla - Bishop’s Cap
Monarda fistulosa - Wild Bergamot
Monarda punctata - Dotted Horsemint
Monotropa uniflora - Indian Pipe
Oenothera biennis - Common Evening Primrose
*Oenothera clelandii - Cleland’s Evening Primrose
Oenothera laciniata - Cut-leaved Evening Primrose
Oenothera perennis - Small Sundrops
*Opuntia humifusa - Prickly Pear Cactus
Orobanche uniflora - One-flowered Cancerroot
Osmorhiza claytoni - Sweet Cicely
Oxalis dillenii - Southern Yellow Wood Sorrel
Oxalis stricta - Yellow Wood Sorrel
Oxypolis rigidior - Cowbane
Paronychia canadensis - Whitlow-wort
Pedicularis canadensis - Wood Betony
Pedicularis lanceolata - Swamp Lousewort
Penstemon digitalis - Foxglove Penstemon
Penthorum sedoides - Ditch Stone-crop
*Phlox latifolia - Mountain Phlox
Phryma leptostachya - Lopseed
Physalis heterophylla - Clammy Ground Cherry
Physalis longifolia - Smooth Ground Cherry
Phytolacca americana - Pokeweed
Plantago rugellii - Red-stemmed Plantain
*Platanthera ciliaris - Orange-fringed Orchid
Platanthera clavellata - Green Wood Orchid
*Platanthera flava - Tubercled Rein Orchid
Platanthera lacera - Ragged-fringed Orchid
*Platanthera psychodes - Smaller Purple Fringed Orchid
Podophyllum peltatum - Mayapple
*Polygala cruciata - Cross-leaved Milkwort
*Polygala polygama - Racemed Milkwort
Polygala sanquinea - Field Milkwort
Polygala verticillata - Whorled Milkwort
Polygonatum biflorum - Smooth Solomon’s Seal
Polygonum amphibium var.emersum - Water Smartweed
Polygonum hydropiperoids - Mild Water Pepper
Polygonum sagittatum - Arrow-leaved Tearthumb
Polygonum scandens - Climbing False Buckwheat
Polygonum virginianum - Jumpseed
Potentilla norvegica - Rough Cinquefoil
Potentilla simplex - Common Cinquefoil
Prenanthes alba - White Lettuce
Prenanthes altissima - Tall White Lettuce
*Prenanthes racemosa - Prairie Rattlesnake Root
Proserpinaca palustris - Mermaid Weed
Prunella vulgaris - Self-heal
Pycnanthemum tenuifolium - Slender Mountain Mint
Pycnanthemum virginianum - Virginia Mountain Mint
Pyrola elliptica - Shinleaf
Pyrola rotundifolia - Round-leaved Pyrola
Ranunculus abortivus - Small-flowered Crowfoot
Ranunculus hispidus var. hispidus - Common Buttercup
Ranunculus recurvatus - Hooked Crowfoot
Ranunculus scleratus - Cursed Crowfoot
Ratibida pinnata - Gray-headed Coneflower
Rudbeckia hirta - Black-eyed Susan
Rudbeckia laciniata - Green-headed Coneflower
Sagittaria latifolia - Common Arrowhead
Sanicula canadensis - Short-styled Snakeroot
Sanicula marilandica - Black Snakeroot
Saxifraga pensylvanica - Swamp Saxifrage
Scutellaria epilobiifolia - Marsh Skullcap
Scutellaria lateriflora - Mad-dog Skullcap
Senecio obovatus - Round-leaved Ragwort
Silene antirrhina - Sleepy Catchfly
Silene latifolia
Sisyrinchium albidum - Pale Blue-eyed Grass
Sisyrinchium atlanticum - Atlantic blue-eyed Grass
Sisyrinchium angustifolium - Common Blue-eyed Grass
Sium suave - Water Parsnip
Smilacina racemosa - False Solomon’s Seal
Smilacina stellata - Starry False Solomon’s Seal
*Smilax herbacea var. lasioneura - Pale Carrion-flower
Solidago canadensis var scabra - CanadaGoldenrod
Solidago gigantea - Tall Goldenrod
Solidago hispida - Hairy Goldenrod
Solidago juncea - Early Goldenrod
Solidago nemoralis - Gray Goldenrod
Solidago patula - Rough-leaf Goldenrod
Solidago riddellii - Riddell’s Goldenrod
Solidago rigida - Stiff Goldenrod
Solidago rugosa - Rough-stemmed Goldenrod
Solidago speciosa - Showy Goldenrod
Specularia perfoliata - Venus’s Looking Glass
Spiranthes cernua - Nodding Ladies Tresses
Spiranthes ochroleuca - Yellow Nodding Ladies Tresses
*Spiranthes ovalis - Lesser Ladies Tresses
Stachys palustris - Hedge-nettle
Stellaria longifolia - Long-leaved Stitchwort
Symplocarpus foetidus - Skunk Cabbage
Taenidia integerrima - Yellow Pimpernel
Tephrosia virginiana - Goat’s-rue
Thalictrum dasycarpum - Purple Meadow Rue
Thalictrum polygamum - Tall Meadow Rue
Tiarella cordifolia - Foamflower
*Agalinis skinneriana - Skinner’s False Foxglove
Tradescantia ohioensis - Ohio Spiderwort
Trillium grandiflorum - Large-flowered Trillium
Typha latifolia - Wide-leaved Cattail
Uvularia sessilifolia - Sessile-leaved Bellwort
Verbena hastata - Blue Vervain
Verbena urticifolia - White Vervain
Verbena stricta - Hoary Vervain
Vernonia gigantea - Ironweed
*Vernonia missourica - Missouri Ironweed
Veronica scutellata - Narrow-leaved Speedwell
Veronicastrum virginicum - Culver’s Root
Vicia americana - American Vetch
Viola affinis - Pale Early Violet
Viola conspersa - Dog Violet
Viola cucullata - Marsh Violet
Viola fimbriatula - Ovate-leaved Violet
*Viola lanciolata - Lance-leaved Violet
Viola macloskeyi - Wild White Violet
Viola pubescens var. pubescens - Downy Yellow Violet
Viola sagittata - Arrow-leaved Violet
Viola sororia var. affinis - Common Blue Violet
*Xyris torta - Twisted Yellow-eyed Grass

* Ohio Rare Species