Elkhorn Biodiversity Preserve Species List Northwest Illinois Audubon Society * Indicates a non-native species Updated 5/14/2020

Sedges (14) 13 Native Forbs (148) 112 Native Carex bebbii – Bebb’s Oval Sedge Abutilon theophrasti – Velvetleaf * Carex brevior – Plains Oval Sedge Achillea millefolium – Yarrow * Carex brunnescens – Green Bog Sedge Agrimonia gryposepala – Tall Agrimony Carex diandra –Bog Panicled Sedge Alliaria petiolata – Garlic Mustard * Carex stipata – Common Fox Sedge Ambrosia artemisiifolia – Common Ragweed Carex stricta – Common Tussock Sedge Ambrosia trifida – Giant Ragweed Carex trichocarpa – Hairy-Fruited Lake Sedge Amorpha canescens – Lead Plant Carex vulpinoidea – Fox Sedge Anemone canadensis – Meadow Anemone Cyperus acuminatus – Short-Pointed Flat Sedge Anemone cylindrica – Thimbleweed Cyperus echinatus – Globe Sedge * Anemone virginiana – Tall Anemone Cyperus esculentus – Field Nut Sedge Angelica atropurpurea – Great Angelica Cyperus filiculmis – Slender Sand Sedge Apocynum cannabinum – Dogbane Cyperus rivularis – Brook Nut Sedge Arctium minus – Common Burdock * Scirpus atrovirens – Dark Green Rush Arctium tomentosum – Cotton Burdock * Asclepias amplexicaulis – Blunt-Leaved or Sand Ferns (2) Milkweed Athyrium filix-femina – Lady Fern Asclepias incarnata – Swamp Milkweed Onoclea sensibilis – Sensitive Fern Asclepias syriaca – Common Milkweed Asclepias verticillata – Whorled Milkweed Horsetails (2) Aster ericoides – Heath Aster Equisetum arvense – Common Horsetail Aster lateriflorus – Calico Aster Equisetum hyemale – Scouring Rush Aster linariifolius – Flax-Leaved Aster (Stiff or Linear- Leaved Aster) Grasses (23) 12 Native Aster novae-angliae – New England Aster Andropogon gerardii – Big Bluestem Aster pilosus – Hairy Aster Schizachyrium scoparium – Little Bluestem Aster praealtus – Willow Aster Agropyron repens – Quack Grass * Barbarea vulgaris – Yellow Rocket (Winter Cress) * Agrostis alba – Redtop * Baptisia leucophaea – Cream Wild Indigo Bouteloua curtipendula – Side-Oats Grama Bidens cernua – Nodding Bur Marigold Bromus inermis – Smooth Brome * Campanula aparinoides – Marsh Bellflower Dactylis glomerata – Orchard-grass * Cardamine bulbosa – Spring Cress Digitaria filiformis – Slender Crab Grass Centaurea maculosa – Spotted Knapweed * Enchinochloa microstachya – Barnyard Grass * Cerastium vulgatum – Mouse-Ear Chickweed * Elymus canadensis – Canada Wild Rye Chenopodium album – Lamb’s Quarter * Eragrotis spectabilis – Purple Love Grass Cicuta maculata – Water Hemlock Festuca sp. – Tall Fescue * Circaea lutetiana var canadensis – Enchanter’s Leptoloma cognatum – Fall Witch Grass Nightshade Oryzopsis asperifolia – Rough-Leaved Rice Grass Cirsium arvense – Field Thistle * Panicum oligosanthes var. scribnerianum – Scribner’s Cirsium discolor – Pasture Thistle Panic Grass Cirsium vulgare – Bull Thistle * Panicum villosissimum – White-Haired Panic Grass Clematis virginiana – Virgin’s Bower Paspalum setaceum ver. ciliatifolium – Lens Grass Convolulus sepium – Hedge Bindweed Phalaris arundinacea – Reed-Canary Grass * Conium maculatum – Poison Hemlock * Phleum pratense – Timothy * Daucus carota – Queen-Anne’s Lace * Poa compressa – Canada Blue Grass * Dianthus armeria – Deptford Pink * Poa pratensis – Kentucky Blue Grass * Echinocystis lobata – Wild Cucumber Setaria glauca – Yellow Fox Tail * Epilobuim coloratum – Cinnamon Willow Herb Sorgastrum nutans – Indian Grass Erechtites hieracifolia – Fireweed Erigeron canadensis – Horseweed Rushes (2) Erigeron philadelphicus – Marsh Fleabane Eleocharis erythropoda – Red-Rooted Spike Rush Erigeron strigosus – Daisy Fleabane Juncus tenuis – Path Rush Eupatorium maculatum – Spotted Joe Pye Weed Euphorbia corollata – Flowering Spurge Fragaria virginiana – Wild Strawberry Galium aparine – Cleavers

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Forbs (continued) Forbs (continued) Galium obtusum – Blunt-Leaved Bedstraw Scrophularia marilandica – Late Figwort Gentiana puberulenta – Downy Gentian Senecio pauperculus – Balsam Ragwort Gnaphalium obtusifolium – Old-Field Balsam Silphium integrifolium – Rosinweed Helenium autumnale – Sneezeweed Silphium perfoliatum – Cup Plant Helianthus grosseserratus – Sawtooth Sunflower Smilacina stellata – Starry False Solomon’s Seal Helianthus rigidus – Prairie Sunflower Smilax tamnoides var. hispida – Catbrier Helianthus tuberosus – Jerusalem Artichoke Solanum carolinense – Horse-Nettle Helianthemum canadense – Rockrose Solanum dulcamara – Deadly Nightshade * Heliopsis helianthoides – Early Sunflower Solidago altissima – Tall Goldenrod Heracleum maximum – Cow Parsnip Solidago nemoralis – Old Field Goldenrod Heuchera richardsonii – Prairie Alum Root Specularia perfoliata – Venus’s Looking Glass Hieracium longipilum – Long-bearded Hawkweed Stachys tenuifolia var. hispida – Marsh Hedge Nettle Hypericum pyramidatum – Great St. Johnswort Tanacetum vulgare – Common Tansy * Impatiens capensis – Orange Jewelweed Taraxacum officinale – Dandelion * Kuhnia eupatoroides – False Boneset Teucrium littorale var, canadense – Germander Lactuca canadensis – Wild Lettuce Teucrium littorale var. virginicum – Wood Sage Lechea stricta – Bushy Pinweed Thalictrum dasycarpum – Purple Meadow-rue Lemna minor – Small Duckweed Tradescantia ohiensis – Ohio Spiderwort Leonorus cardiaca – Motherwort * Tragopogon pratense – Goat’s Beard * Lespedeza capitata – Round-Headed Bushclover Tragopogon hybrid – Goat’s Beard x Salsify * Liatris aspera – Rough Blazingstar Trifolium pratense – Red Clover * Lithospermum incisum – Fringed Puccoon Urtica dioica – Stinging Nettle * Lobelia siphilitica – Great Blue Lobelia Urtica procera – Tall Nettle Lycopus americanus – Common Water Horehound Verbascum blattaria – Moth Mullein * Lycopus rubellus – Stalked Water Horehound Verbascum thapsus – Common Mullein * Lysimachia nummularia – Moneywort * Verbena hastata – Blue Vervain Medicago lupulina – Black Medick * Verbena urticifolia – White Vervain Melilotus alba – White Sweet Clover * Veronica comosa – Water Speedwell Melilotus officinalis – Yellow Sweet Clover * Veronicastrum virginicum – Culver’s Root Mentha arvensis – Wild Mint Vicia cracca – Cow Vetch * Mimulus ringens – Monkey Flower Viola sagittata – Arrow-Leaved Violet Monarda fistulosa – Wild Bergamot Viola sororia – Common Blue Violet Myosoton aquaticum – Water Chickweed Viola pedata – Bird’s Foot Violet Nepeta cataria – Catnip * Oxalis stricta – Common Wood-sorrel Shrubs (18) 14 Native Oxalis violacea – Violet Wood-sorrel Celastrus scandena – Climbing Bittersweet Pastinaca sativa – Wild Parsnip * Cornus rac6mosa – Gray Dogwood Phytolacca americana – American Pokeweed Cornus stolonifera – Red Osier Dogwood Physalis pubescens – Clammy Groundcherry Corylus americana – American Hazelnut Physalis subglabrata – Tall Groundcherry Lonicera – Honeysuckle * Plantago aristata – Poor Joe Malus ioensis – Iowa Crab Plantago lanceolata – English Plantain * Parthenocissus quinquefolia – Virginia Creeper Plantago major – Common Plantain * Rhamnus cathartica – Common Buckthorn * Polygala sanguinea – Field Milkwort Rhus radicans – Poison Ivy Polygonatum biflorum – Solomon’s Seal Ribes missouriense – Missouri Gooseberry Polygonum hydropiper – Water Pepper * Rosa carolina – Pasture Rose Polygonum persicaria – Lady’s Thumb * Rosa multiflora – Multiflora Rose * Polygonum scandens – Climbing False Buckwheat Rubus allegheniensis – Common Blackberry Potentilla arguta – Prairie Cinquefoil Rubus flagellaris – Common Dewberry Potentilla recta – Rough-Fruited Cinquefoil * Rubus occidentalis – Black Raspberry Potentilla simplex – Common Cinquefoil Sambucus canadensis – Elderberry Pycnanthemum virginianum – Common Mountain Mint Symphoricarpos orbiculatus – Coralberry Ranunculus aboritvus – Abortive Buttercup Viburnum opulus – European Highbush Cranberry * Ranunculus fascicularis – Early Buttercup Vitis riparia – Riverbank Grape Ranunculus sceleratus – Cursed Buttercup Ratibida pinnata – Yellow Coneflower Trees (14) 11 Native Rhus radicans – Poison Ivy Acer negundo – Box Elder Rudbeckia hirta – Black-Eyed Susan Acer saccharinum – Silver Maple Rudbeckia laciniata – Wild Golden Glow Celtis occidentalis – Hackberry Rudbeckia triloba – Brown-Eyed Susan Juglans nigra – Black Walnut Rumex acetosella – Sheep Sorrel Maclura pomifera – Osage Orange * Page 2 of 5

Trees (continued) Insects, Butterflies (continued) Morus alba – White Mulberry * Libytheana carinenta bachmanii – Amerian Snout Populus deltoides – Cottonwood Limenitis archippus – Viceroy Prunus serotina – Black Cherry Limenitis arthemis astyanax – Red-Spotted Purple Pyrus malus – Apple * Lycaena helloides – Purplish Copper Quercus macrocarpa – Bur Oak Lycaena phlaeas americana – American Copper Quercus velutina – Black Oak Nymphalis antiopa – Mourning Cloak Salix nigra – Black Willow Nymphalis milberti – Milbert’s Tortoiseshell Tilia americana – Basswood Papilio cresphontes – Giant Swallowtail Ulmus rubra – Red (Slippery) Elm Papilio glaucus – Tiger Swallowtail Papilio polyxenes asterius – Black Swallowtail Fish (8) Papilio troilus – Spicebush Swallowtail Campostoma anomalum – Stoneroller Phyciodes tharos – Pearl Crescent Catastomus commersoni – White Sucker Pieris rapae – European Cabbage Butterfly * Etheostoma nigrum – Johnny Darter Polygonia comma – Comma Moxostoma aureolum – Northern Redhorse Polygonia interrogationis – Question Mark Notropis cornutus – Common Shiner Satyrium liparops strigosa – Striped Hairstreak Phoxinus eos – Red-Bellied Dace Satyrium titus – Coral Hairstreak Pimephales notatus – Blunt-Nose Minnow Speyeria cybele – Great Spangled Fritillary Semotilus atromaculatus – Creek Chub Vanessa atalanta – Red Admiral Vanessa cardui – Painted Lady Reptiles (3) Damselflies (7) Chelydra serpentina – Snapping Turtle Argia apicalis – Blue-Fronted Dancer Storeria dekayi dekayi – Northern Brown Snake Argia plana – Springwater Dancer Pituophis melanoleucus – Bull Snake Calopteryx maculata – Ebony Jewelwing Ischnura hastata – Citrine Forktail Amphibians (6) Lestes rectangularis – Slender Spreadwing Bufo americana – American Toad Ischnura verticalis – Eastern Forktail Hyla cf. versicolor – Gray Treefrog Dragonflies (10) Hyla crucifera – Spring Peeper Amphiagrion saucium – Eastern Red Damsel Pseudacris t. triseriata – W. Chorus Frog Anax junius – Common Green Darner Rana clamitans melanota – Green Frog Erythemis simplicicollis – Common Pondhawk Rana p. pipiens – N. Leopard Frog Libellula luctuosa – Widow Skimmer Libellula pulchella – Twelve-Spotted Skimmer Mammals (14) Pachydiplax longipennis –Blue Dasher Beaver Perithemis tenera – Eastern Amberwing Eastern Chipmunk Plathemis (Libellula) lydia – Common Whitetail Cottontail Rabbit Sympetrum semicinctum – Band-Winged Meadowhawk Coyote Sympetrum rubicundulum – Ruby Meadowhawk Mink Tramea lacerata – Black Saddlebags Woodland Jumping Mouse Moths (14) Opossum Ayles lineata – White-Lined Sphinx Moth Plains Pocket Gopher Alypia octomaculata – Eight-Spotted Forester Raccoon Caeunurgina crassiuscula – Clover Looper Short-Tailed Shrew Cucullia asteroides – Goldenrod Hooded Owlet Skunk Depressaria pastinacella – Parsnip Webworm * Thirteen-Lined Ground Squirrel Euchaetes egle – Milkweed Tussock Moth White-Tailed Deer Grammia virgo – Virgin Tiger Moth Woodchuck Haematopis grataria – Chickweed Geometer Haploa reversa – Reversed Hapola Insects (94) 88 Native Pyrrharctia isabella – Wooly Bear Isabella Tiger Moth Butterflies (30) Microcrambus elegans – Elegant Grass-Veneer Asterocampa clyton – Tawny Emperor Pyrausta ochosalis – Pyrausta Moth Bolaria bellona – Meadow Fritillary Simyra insularis – Henry’s Marsh Moth Celastrina neglecta – Summer Azure Sitochroa palealis – Carrot Seed Moth Colias eurytheme – Alfalfa Butterfly Skippers (6) Colias philodice – Clouded Sulphur Ancyloxyphia numitor – Least Skipper Danaus plexippus – Monarch Epargyreus clarus – Silver-Spotted Skipper Eucres comyntas – Eastern Tailed-Blue Butterfly Hylephila phyleus – Fiery Skipper Euptoieta claudia – Variegated Fritillary Pholisora catullus – Common Sootywing Euptychia cymela – Little Wood Satyr Polites coras – Peck’s Skipper Junonia coenia – Buckeye Thymelicus lineola – European Skipper Page 3 of 5

Other (30) Birds (continued) Apion rostrum – Baptisia Seed Pod Weevil Black-Billed Cuckoo Archytas apicifer – Tachinid Fly Yellow-Billed Cuckoo Asilus prairiensis – Robber Fly Eastern Screech-Owl Baetidae – Mayfly Great Horned Owl Carmelionidae – Negro Bug Barred Owl Chironomus sp. – Midge Fly Common Nighthawk Chrysochus auratos – Dogbane Beetle Chimney Swift Chrysopidae – Green Lacewing Ruby-Throated Hummingbird Chrysops sp. – Deerfly Belted Kingfisher Ctenicera noxia – Click Beetle Red-Headed Woodpecker Gerris remigis – Waterstrider Red-Bellied Woodpecker Hydropsyche simulans – Caddisfly Yellow-Bellied Sapsucker Labidomera clivicollis – Milkweed Leaf Beetle Downy Woodpecker Mantis religiosa – European Mantis * Hairy Woodpecker Microcentrum retinerve – Angular-winged Katydid Northern Flicker Oecanthus fultoni – Snowy Tree Cricket Olive-Sided Flycatcher Oncopeltus fasciatus – Large Milkweed Bug Eastern Wood-Pewee Ostrinia nubilalis – European Corn Borer * Willow Flycatcher Pelecinus polyturator – American Pelecinid Least Flycatcher Philaenus spumarius – Spittle-Bug Eastern Phoebe Popilla japonica – Japanese Beetle * Great Crested Flycatcher Sepedon fuscipennis – Marsh Fly Eastern Kingbird Simulium sp. – Blackflies Yellow-Throated Vireo Stenelmis sp. – Elmid Beetle Warbling Vireo Tabanus sp. – Greenhead Fly Philadelphia Vireo Tenodera aridifolia sinensis – Chinese Praying Mantis * Red-Eyed Vireo Tetraopes tetrophthalmus – Red Milkweed Beetle Blue Jay Tremex columba – Pigeon Tremex (Horntail) American Crow Trichodes nutalli – Red-Blue Checked Beetle Purple Martin Trirhaba canadensis – Goldenrod Leaf Beetle Tree Swallow Northern Rough-Winged Swallow Birds (137) 132 Native Cliff Swallow Double-Crested Cormorant Bank Swallow Great Blue Heron Barn Swallow Green Heron Black-Capped Chickadee Turkey Vulture White-Breasted Nuthatch Cackling Goose Brown Creeper Canada Goose House Wren Wood Duck Winter Wren Mallard Marsh Wren Bald Eagle Sedge Wren Osprey Golden-Crowned Kinglet Northern Harrier Ruby-Crowned Kinglet Sharp-Shinned Hawk Blue-Gray Gnatcatcher Broad-Winged Hawk Eastern Bluebird Red-Tailed Hawk Gray-Cheeked Thrush Rough-legged Hawk Swainson’s Thrush American Kestrel Hermit Thrush Ring-Necked Pheasant * American Robin Northern Bobwhite Gray Catbird Wild Turkey Brown Thrasher Sora European Starling * Sandhill Crane Cedar Waxwing Killdeer Golden-Winged Warbler American Woodcock Tennessee Warbler Wilson’s Snipe Orange-Crowned Warbler Solitary Sandpiper Nashville Warbler Greater Yellowlegs Northern Parula Warbler Spotted Sandpiper Yellow Warbler Rock Pigeon * Chestnut-Sided Warbler Mourning Dove Magnolia Warbler Page 4 of 5

Birds (continued) Miscellaneous (14) Cape May Warbler Argiope aurantia – Black and Yellow Garden Spider Yellow-Rumped Warbler Argiope trifasciata – Banded Garden Spider Black-Throated Green Warbler Dermacentor variabilis – Wood Tick Blackburnian Warbler Dugesia tigrina – Planarian Yellow-Throated Warbler Gammarus lacustris – Scud Palm Warbler Hyalla azteca – Sideswimmer Bay-Breasted Warbler Hydrachnidae – Water Mite Blackpoll Warbler Limax – Slug Black-and-White Warbler Lumbricus terrestris – Night Crawler * American Redstart Naididae – Aquatic Worm Prothonotary Warbler Opilio sp. – Harvestman Northern Waterthrush Physa – Pond Snail Louisiana Waterthrush Spharium sp. – Fingernail Clam Kentucky Warbler cf. Trombicula alfreddugesi – Red Mite Common Yellowthroat Wilson’s Warbler Yellow-Breasted Chat Eastern Towhee Scarlet Tanager American Tree Sparrow Chipping Sparrow Field Sparrow Vesper Sparrow Savannah Sparrow Fox Sparrow Song Sparrow Lincoln’s Sparrow Swamp Sparrow White-Throated Sparrow White-Crowned Sparrow Dark-Eyed Junco Northern Cardinal Rose-breasted Grosbeak Indigo Bunting Dickcissel Bobolink Red-Winged Blackbird Eastern Meadowlark Western Meadowlark Rusty Blackbird Common Grackle Brown-headed Cowbird Orchard Oriole Baltimore Oriole Purple Finch House Finch American Goldfinch House Sparrow * Eurasian Tree Sparrow *

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