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A checklist of the 242 wild and/or naturalized vascular plant species (in 65 families) occurring on the Lake Forest College campus.

Taxonomy of native plants follows:

Swink, F. & Wilhelm, G. (1994) Plants of the Chicago region (4th ed.).  Lisle, IL: Morton Arboretum.

Illinois Endangered Species indicated in red.
Introduced taxa indicated by italics.

EQUISETACEAE
Equisetum hyemale Tall Scouring Rush

POLYPODACEAE
Cystopteris fragilis (L.) Bernh.  Fragile Fern

PINACEAE
Tsuga canadensis (L.) Hemlock
Picea abies L.  Norway Spruce
Pinus strobus L.  White Pine
Thuja sp.  Cedar

GRAMINEAE
Poa pratensis L.  Kentucky Blue Grass
Elymus canadensis L. Canada Wild Rye
Hystrix patula Moench Bottlebrush Grass
Sporobolus heterolepsis A. Gray Prairie Dropseed
Phleum sp. Timothy Hay
Panicum virgatum L.  Switchgrass
Echinochloa crusgalli (L.) P. Beauv. Barnyard Grass
Setaria faberi Herrm. Giant Foxtail
Setaria glauca (L.) P. Beauv. Yellow Foxtail
Andropogon gerardi Vitman Big Bluestem or Turkeyfoot
Andropogon scoparius Michx. Little Bluestem
Sorghastrum nutans L. Indiangrass

CYPERACEAE
Carex blanda Dewey  Common Wood Sedge
Carex pennsylvanica Lam. Common Oak Sedge
Carex rosea Schkhr. Curly-styled Wood Sedge

ARACEAE
Arisaema triphyllum (L.) Schott   Jack-in-the-pulpit

LILIACEAE
Uvularia grandiflora Sm.  Bellwort
Allium cernuum Roth Nodding Wild Onion
Allium tricoccum Aiton Wild Leek
Hemerocallis fulva L. Orange Day Lily
Lilium michiganense Farw.  Michigan Lily
Erythronium albidum Nutt. White Trout Lily
Erythronium americanum Ker. Gawl. Yellow Trout Lily
Scilla siberica Andr.  Siberian Squill
Ornithogalum umbellatum L. Star of Bethlehem
Smilacina racemosa (L.) Desf. False Solomon’s Seal
Maianthemum canadense var. interius Fern. Canada Mayflower or False Lily-of-the-valley
Polygonatum commutatum (Schult.) A. Dietr.  Solomon’s Seal
Convularia majalis L. Lily-of-the-valley
Trillium recurvatum L. C. Beck  Red Trillium or Prairie Trillium
Trillium grandiflorum (Michx.) Salisb. Large White Trillium
Smilax sp.  Greenbriar

AMARYLIDACEAE
Galanthus nivalis Snowdrops
Narcissus pseudonarcissus L. Daffodil

IRIDACEAE
Crocus sp. Crocus

ORCHIDACEAE
Cypripedium calceolus var. pubescens (Willd.) Correll.  Yellow Lady’s Slipper Orchid
Epipactis helleborine L. Helloborine Orchid

SALICACEAE
Populus deltoides Marsh.  Cottonwood

JUGLANDACEAE
Juglans nigra L.  Black Walnut
Carya ovata Mill. Shagbark Hickory

BETULACEAE
Corylus americana Walter.  American Hazelnut
Ostrya virginiana Mill.  Hop Hornbeam
Carpinus caroliniana Walter Hornbeam or Ironwood or Blue Beech
Betula papyrifera Marsh.  White Birch or Paper Birch

FAGACEAE
Quercus alba L.  White Oak
Quercus bicolor Willd.  Swamp White Oak
Quercus macrocarpa Michx.  Bur Oak
Quercus muhlenbergii Engelm. Chinquapin Oak
Quercus rubra L.  Northern Red Oak
Quercus velutina Lam.  Black Oak

ULMACEAE
Ulmus americana L. American Elm

MORACEAE
Morus alba L.  White Mulberry

URTICACEAE
Boehmeria cylindrica L.  False Nettle or Bog Hemp

SANTALACEAE
Commandra umbellata (L.) Nutt.  False Toadflax

ARISTOLOCHIACEAE
Asarum canadense L. Wild Ginger

POLYGONACEAE
Rumex crispus L. Curly Dock
Rumex obtusifolius L.  Bitter Dock

PHYTOLACCACEAE
Phytolacca americana L. Pokeweed

PORTULACACEAE
Claytonia virginica L.  Spring Beauty

CARYOPHYLLACEAE
Cerastium vulgatum L.  Mouse-ear Chickweed

RANUNCULACEAE
Ranunculus abortivis L. Small-flowered Buttercup
Ranunculus sp.  Buttercup
Thalictrum dasycarpum Fisch. & Avé-Lall. Purple Meadow Rue
Thalictrum dioicum L.  Early Meadow Rue
Anemonella thalictroides (L.) Spach.  Rue Anemone
Hepatica acutiloba Dc. Sharp-lobed Hepatica
Hepatica americana (Dc.) Ker Gawl Round-lobed Hepatica
Anemone quinquefolia L.  Wood Anemone
Anemone virginiana L.  Tall Anemone or Thimbleweed
Isopyrum biternatum Raff.  False Rue Anemone
Aquilegia canadensis L.  Columbine
Actaea pachypoda Elliott  White Baneberry

BERBERIDACEAE
Podophyllum peltatum L.  Mayapple
Berberis thunbergii DC.  Japanese Barberry

PAPAVERACEAE
Sanguinaria canadensis L.  Bloodroot

CRUCIFERAE
Alliaria officinalis Andrz.  Garlic Mustard
Hesperis matronalis L.   Sweet Rocket
Barbarea vulgaris R.Br.  Common Wintercress or Yellow Rocket
Dentaria laciniata Willd.  Toothwort

SAXIFRAGACEAE
Heuchera richardsonii R.Br.  Prairie Alum Root
Ribes sp.  Gooseberry

HAMAMELIDACEAE
Hamamelis virginiana L.  Witch-hazel

ROSACEAE
Malus ioensis Britton  Iowa Crab
Amelanchier laevis Wiejand Allegheny Shadblow, Serviceberry, Juneberry, Shadbush
Fragaria virginiana Duch.  Wild Strawberry
Potentilla argentea L.  Silvery Cinqufoil
Potentilla simplex Michx. Common Cinquefoil
Geum canadense Jacq.  White Avens
Geum triflorum Pursh.  Prairie Smoke
Rubus odoratus L. var. odoratus  Purple-flowering Raspberry
Rubus pennsylvanicus Poir.  Yankee Blackberry or Black Raspberry
Agrimonia spp.  Agrimony
Prunus americana Marshall  American Plum
Prunus serotina Ehrh.  Wild Black Cherry
Prunus virginiana L. Chokecherry

LEGUMINOSEAE
Trifolium pratense L.  Red Clover
Trifolium repens L.  White Clover
Melilotus officinalis (L.) Pall.  Yellow Sweet Clover
Medicago lupulina L. Black Medick
Lotus corniculatus L.  Bird’s-foot Trefoil
Amorpha canescens Pursh Lead Plant
Petalostemum purpureum Rydb.  Purple Prairie Clover
Robinia pseudoacacia L.  Black Locust
Desmodium glutinosum Willd. Pointed Ticktrefoil
Desmodium illinoiense Gray  Illinois Ticktrefoil
Amphicarpaea bracteata L. Upland Hog Peanut

OXALIDACEAE
Oxalis europea  Yellow Wood-sorrel or Sour Grass

GERANIACEAE
Geranium maculatum L.  Wild Geranium

EUPHORBIACEAE
Euphorbia corollata L. Flowering Spurge

ANACARDIACEAE
Rhus radicans L. Poison Ivy

CELASTRACEAE
Euonymus alatus Thunb.  Winged Euonymus or Burning Bush
Euonymus europaeus L.  European Spindle-tree
Celastrus scandens L. Climbing Bittersweet

ACERACEAE
Acer platanoides L.  Norway Maple
Acer negundo L. Box-elder
Acer rubrum L. Red Maple
Acer saccharinum L. Silver Maple
Acer saccharum Marsh.  Sugar Maple

BALSAMINACEAE
Impatiens capensis Meerb. Spotted Touch-me-not

RHAMNACEAE
Rhamnus cathartica L. Common Buckthorn

VITACEAE
Parthenocissus quinquefolia L.  Virginia Creeper
Vitis riparia Michx. Riverbank Grape

TILIACEAE
Tilia americana L. Basswood or American Linden

VIOLACEAE
Viola sororia Willd.  Downy Blue Violet
Viola conspersa  Rchb. Dog Violet
Viola pubescens Aiton Yellow Violet, or Downy Yellow Violet

ONAGRACEAE
Circaea quadrisculata canadensis L.  Enchanter’s Nightshade

ARALIACEAE
Aralia nudicaulis L. Wild Sarsaparilla

UMBELLIFERAE
Eryngium yuccifolium Michx. Rattlesnake Master
Zizia aurea (L.) Koch.  Golden Alexanders
Taenidia integerrima (L.) Drude.  Yellow Pimpernel
Aegopodium podagraria L. Goutweed
Osmorhiza claytonii (Michx.) Clarke.  Sweet Cicely
Daucus carota L. Queen Anne’s Lace

CORNACEAE
Cornus alternifolia L.f.  Alternate-leaved Dogwood
Cornus racemosa Lam.  Gray Dogwood

ERICACEAE
Vaccinium angustifolium Aiton  Early Low Blueberry

PRIMULACEAE
Dodecatheon meadia (L.)  Shooting Star

OLEACEAE
Fraxinus americana L.  White Ash
Fraxinus nigra Marshall Black Ash
Fraxinus pennsylvanica var. subintegerrima (Vahl) Fern.  Green Ash
Forsythia x intermedia Zabel Golden Bell

GENTIANACEAE
Gentiana andrewsii (Griseb) Bottle Gentian
Gentiana quinquefolia occidentalis (Gray) Hicthc.  Stiff Gentian

APOCYNACEAE
Vinca minor L. Periwinkle
Apocynum sp. Dogbane

ASCLEPIADACEAE
Asclepias incarnata L. Swamp Milkweed
Asclepias syriaca L. Common Milkweed
Asclepias tuberosa L. Butterfly Weed

CONVOLVULACEAE
Convolvulus arvensis L. Field Bindweed

POLEMONIACEAE
Polemonium reptans L. Jacob’s Ladder
Phlox divaricata L. Woodland Phlox

BORAGINACEAE
Mertensia virginica (L.) Pers. Virginia Bluebells

VERBENACEAE
Verbena hastata L.  Blue Vervain
Verbena stricta Vent.  Hoary Vervain

LABIATAE
Glechoma hederaceae L. Gill-over-the-ground-ivy
Prunella vulgaris L.  Heal-all or Selfheal
Physostegia virginiana L. Obedience Plant
Leonurus cardiaca L. Common Motherwort
Monarda fistulosa L. Wild Bergamot
Pycnanthemum virginianum L. Common Mountain Mint

SOLANACEAE
Solanum dulcamara L.  Bittersweet Nightshade or Climbing Nightshade

SCROPHULARIACEAE
Penstemon digitalis Nutt.  Penstemon, Foxglove Beardtongue
Veronicastrum virginicum L. Culver’s Root
Veronica chamaedrys L.  Germander Speedwell
Veronica serpyllifolia L.  Thyme-leaved Speedwell
Aureolaria grandiflora Benth. Yellow False Foxglove
Pedicularis canadensis L. Wood Betony, or Lousewort

OROBANCHACEAE
Orobanche uniflora L. Broomrape

ACANTHACEAE
Ruellia humilis Nutt. Wild Petunia

PLANTAGINACEAE
Plantago lanceolata L.  English Plantain
Plantago major L.  Common Plantain
Plantago rugelii Decne,  Red-Stalked Plantain

RUBIACEAE
Galium sp.  Bedstraw

CAPRIFOLIACEAE
Diervilla lonicera Mill. Dwarf Honeysuckle
Lonicera dioica L.  Smooth Honeysuckle
Lonicera sempervirens L.  Trumpet Honeysuckle
Lonicera tatarica L. Tartarian Honeysuckle
Viburnum acerifolium L.  Maple-leaved Viburnum
Viburnum lentago L. Nannyberry
Viburnum opulus L. European Highbush Cranberry
Viburnum rafinesquianum Schult. Downy Arrow-wood
Sambucus canadensis L.  Elderberry

COMPOSITAE
Eupatorium maculatum L. Spotted Joe Pye Weed
Eupatorium perfoliatum L. Common Boneset
Eupatorium purpureum L. Purple Joe Pye Weed
Eupatorium rugosum Houtt.  White Snakeroot
Liatris aspera Michx. Rough Blazing Star
Liatris spicata L. Marsh Blazing Star or Gayfeather
Solidago altissima L. Tall Goldenrod
Solidago canadensis L. Canada Goldenrod
Solidago flexicaulis L. Broad-leaved Goldenrod
Solidago graminifolia L. Common Grass-leaved Goldenrod
Solidago nemoralis Aiton Gray, or Old Field Goldenrod
Solidago rigida L. Stiff Goldenrod
Solidago speciosa Nutt. Showy Goldenrod
Solidago ulmifolia Muhl. Elm-leaved Goldenrod
Aster azureus Lindl.  Sky Blue Aster
Aster laevis L.  Smooth Aster
Aster lateriflorus L. Side-flowering Aster
Aster macrophyllus L. Big-leaved Aster
Aster novae-angliae L. New England Aster
Aster oblongifolius Nutt. Aromatic Aster
Aster pilosus Willd. Hairy Aster
Aster shortii Lindl. Short’s Aster
Erigeron annuus L.  Daisy Fleabane
Erigeron philadelphicus L.  Marsh Fleabane
Antennaria plantaginifolia (L.) Hook.  Pussytoes
Ambrosia artemisiifolia elatior L.  Common Ragweed
Ambrosia trifida L. Giant Ragweed
Silphium integrifolium Michx. Rosinweed
Silphium laciniatum L. Compass Plant
Silphium perfoliatum L. Cup Plant
Silphium terebinthinaceum Jacq. Prairie Dock
Heliopsis helianthoides L. False Sunflower
Rudbeckia subtomentosa Pursh. Sweet Black-eyed Susan
Rudbeckia triloba L. Brown-eyed Susan
Echinacea purpurea L. Broad-leaved Purple Coneflower
Ratibida pinnata Vent. Yellow Coneflower
Helianthus divaricatus L. Woodland Sunflower
Helianthus grosseserratus M.Martens Sawtooth Sunflower
Helianthus tuberosus L. Jerusalem Arichoke
Coreopsis lanceolata L. Sand Coreopsis
Coreopsis tripteris L. Tall Coreopsis
Chrysanthemum leucanthemum L. Ox-eye Daisy
Arctium lappa L. Great Burdock
Arctium minus Schkuhr Common Burdock
Cirsium arvense L. Field, or Canada Thistle
Cirsium vulgare Savi  Bull Thistle
Lapsana communis L. Nipplewort
Tragopogon pratensis L. Common Goat’s Beard
Taraxacum officinale Weber Common Dandelion
Sonchus oleraceus L. Storefront Sow Thistle
Lactuca serriola L. Prickly Lettuce
Prenanthes alba L. White Lettuce
Prenanthes altissima L. Tall White Lettuce, or Rattlesnake Root

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