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Glen Helen Ecology Institute
405 Corry Street
Yellow Springs, Ohio 45387-1895
Phone 937-769-1902
glenhelen@antioch.edu

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2009 Composite List of Wildlowers

This is a list of first reported flowering dates for wildflowers species in Glen Helen during 2008. To submit flowering sightings, send e-mail to the Glen Helen Wildflower List Mailbox. Please note the species name, date of observation, where in Glen Helen it was observed flowering, and the name of the observer.
2008 List Archive
2007 List Archive
Last updated: April 6, 2009.

Common-name Scientific name Date Reported by Locale
Harbinger of spring Erigenia bulbosa 3-21-09 Dan Pearson Lower Talus Trail
Skunk cabbage Symplocarpus foetidus 3-6-09 Dan Pearson Lower Talus Trail
Snow trillium Trillium nivale 3-10-09 Dan Pearson Lower Talus Trail
Sharp-lobed Hepatica Hepatica acutiloba 3-15-09 Debby and Bill Schieman  Along Yellow Springs Creek
Round-lobed Hepatica Hepatica americana 3-15-09 Debby and Bill Schieman  Along Yellow Springs Creek
Cut-leaved toothwort Dentaria concatenatum 3-27-09 Dan Pearson Glen Helen Building
Dutchman's breeches Dicentra cucullaria 3-24-09 Dan Pearson Upper Talus Trail
Squirrel-corn Dicentra canadensis 4-27-09 Dan Pearson Near Grinnell Dam
Bloodroot Sanguinaria canadensis 3-23-09 Dan Pearson Lower Birch Creek Trail
Blue cohosh Caulophyllum thalictroides 4-11-09 Dan Pearson North of Glen Building
Purple cress Cardamine douglassii 3-16-09 Dan Pearson Dead Gulch
Wild columbine Aquilegia canadensis 4-25-09 Dan Pearson Grinnell Dam Area
Common blue violet Viola papilonacea 4-5-09 Lynda Hicks Birch Creek Trail
Dandelion Taraxacum officinale 3-24-09 Dan Pearson Birch Pool, Lower Birch Trail
Toadshade Trillium Trillium sessile 3-31-09 Dan Pearson Upper Talus Trail
Wild ginger Asarum canadense 4-5-09 Dan Pearson Upper Talus Trail
Virgina bluebells Mertensia virginica 3-23-09 Dan Pearson Near Grinell Dam
Virgina spiderwort Tradescantia virginiana 5-9-09 Dan Pearson Upper Single File Trail
Jacob's ladder (Greek valerian) Polemonium reptans 4-18-09 Dan Pearson Lower Talus Trail
Spring beauty Claytonia virginica 3-22-09 Dan Pearson Lower Talus Trail
Dwarf larkspur Delphinium tricorne 4-13-09 Dan Pearson Near Travelers Spring
Twinleaf Jefferson diphylla 4-5-09 Dan Pearson Lower Talus Trail
Spring cress Cardamine bulbosa 4-24-09 Dan Pearson Lower Talus Trail
Large-flowered trillium Trilium grandiflorum 4-1-09 Dan Pearson Upper Birch Creek Trail
Bent trillium Trillium flexipes 4-21-09 Dan Pearson Lower Talus Trail
Rue anemone Anemonella thalictroides 4-5-09 Dan Pearson Upper Single File Trail
White baneberry (Doll's eyes) Actaea pachypoda 5-7-09 Dan Pearson Near Blue Hole
Common strawberry Fragaria virginiana 5-5-09 Dan Pearson Power Plant
Pale violet (Cream Violet) Viola striata 4-9-09 Dan Pearson Beyond Covered Bridge
Golden corydalis Corydalis aurea      
Trout lily Erthronium americanum 4-2-09 Anne Whitaker Birch Creek
Large-flowered bellwort Uvularia grandiflora 4-11-09 Dan Pearson Lower Birch Creek Trail
Early meadow rue Thalictrum dioicum 4-6-09 Dan Pearson Cascades
Kidney-leaf buttercup Ranunculus abortivus      
Yellow trillium Trillium luteum 4-12-09 Dan Pearson Near Glen Building
Marsh marigold Caltha palustris 4-15-09 Dan Pearson Lower Talus Trail
Hispid buttercup Ranunculus hispidus 4-4-09 Dan Pearson Lower Talus Pond
Small flowered crowfoot Ranunculus micranthus 4-15-09 Dan Pearson Upper Talus Trail
Smooth yellow violet Viola eriocarpa 4-17-09 Anne Whitaker Near Dead Gulch
Jack-in-the-pulpit Arisaema atrorubens 4-18-09 Dan Pearson, Anne Whitaker and Lynda Hicks Lower Birch Creek Trail
Wild geranium Geranium maculatum 4-18-09 Alice Mckinney Group Jacoby Canoe Launch
Wild blue phlox Phlox divaricata 4-17-09 Dan Pearson Upper Single File Trail
Miterwort Mitella diphylla 4-5-09 Dan Pearson Upper Talus Trail
Golden ragwort Senecio aureus 4-6-09 Dan Pearson Upper Single File Trail
Wood betony (Lousewort) Pedicularis canadensis 4-19-09 Dan Pearson Upper Single File Trail
Green Violet Hybanthus concolor 5-2-09 Dan Pearson Lower Birch Creek Trail
Watercress Nasturtium officinale 4-25-09 Dan Pearson Lower Birch Creek Trail
Mayapple Podophyllum peltatum 4-29-09 Dan Pearson Upper Birch Creek Trail
Green dragon Arisaema dracontium      
Hairy solomon's seal Polygonatum pubenscens 4-29-09 Dan Pearson Lower Birch Creek Trail
Alumroot Heuchera americana 5-9-09 Dan Pearson The Yellow Springs
Green violet Hybanthus concolor      
Fire pink Silene virginica      
Appendaged waterleaf Hydrophyllum appendioulatum 5-5-09 Dan Pearson Lower Birch Trail
Blue-eyed grasses Sisyrinchium spp.      
Showy orchis Orchis spectabilis      
Wild stonecrop Sedum ternatum 4-15-09 Dan Pearson The Yellow Spring
Garlic mustard Alliaria officinalis 4-20-09 Dan Pearson Unnatural Objects Trail
False solomon's seal (Solomon's Plume) Smilacina racemosa      
Shooting star Dodecatheon media 4-25-09 Dan Pearson Near Cascades
Aniseroot Osmorhiza longistylis 5-1-09 Dan Pearson Lower Birch Creek Trail
Corn salad Valerianella olitoria 5-14-09 Dan Pearson Bottom of Staircase
Yellow lady's slipper Cypripedium caleolus      
Heartleaf golden alexander Zizia aptera 4-19-09 Dan Pearson Upper Single File Trail
Dame's rocket Hesperis matronalis 5-3-09 Dan Pearson Baldwin Pond
White avens Geum canadense      
Yellow wood-sorrel Oxalis europaea 5-4-09 Dan Pearson North of Glen Bldg.
Lesser daisy fleabane Erigeron stsus      
Bedstraw Gallium spp.      
Downy woodmint Blephilia ciliata      
Slender ladies tresses Spiranthes lacera      
Common arrowhead Triglochin spp.      
Lesser celendine Ranunculus ficaria 3-21-09 Dan Pearson and Dave Jansen Old Dam
Hispid buttercup Ranunculus hispidus      
Smooth solomon's seal Polygonaum biflorum      
White violet Viola striata      
False Mermaid Floerkia proserpinacoides 4-13-09 Dan Pearson Near Travelers Spring
Winter cress Barbarea vulgaris 4-20-09 Dan Pearson Baldwin Pond
Sweet cicely Osmorhiza claytonii 5-2-09 Dan Pearson Grinnell Dam Area
Swamp lousewort Pedicularis lanceolata      
Butterweed Packera glabella 4-25-09 Dan Pearson Grinnell Dam
Moneywort (Creeping Jenny) Lysimachia nummularia      
Sanicle (Black snakeroot) Sanicula marilandica      
Gall-of-the-earth (Tall Rattlesnake-root) Prenanthes trifoliolata      
American columbo (Green gentian, Monument plant) Swertia radiata      
Pale touch-me-not (Pale jewelweed)
 Impatiens pallida      
Wild hydrangea Hydrangea arborescens      
Common Fleabane (Philadelphia Fleabane)
 Erigeron philadelphicus 4-27-09 Dan Pearson Grinnell Dam
Honewort
 Cryptotaenia canadensis      
Bird's-eye Speedwell (Germander Speedwell)
 Veronica chamaedrys      
Water Speedwell
 Veronica anagallis-aquatica 5-12-09 Dan Pearson Lower Talus Trail
Daisy fleabane Erigeron annus      
Lopseed Phryms leptostachya      
Wild bergamot Monarda fistulosa      
Enchanter's nightshade Circaea quadrisulcata      
Great Indian plantain Cacalia muhlenbergii      
Stinging nettle Urtica dioica      
Ox eye Heliopsis helianthoides      
Queen-of-the-Prairie Filipendula rubra
      
Thimbleweed Anemone virginiana      
Clearweed Pilea pumila      
Selfheal Prunella vulgaris      
Skull cap Sentellaria epilobiifolia      
Burdock Arctium minus      
White Vervain Verbena urticifolia      
White Snakeroot Eupatorium rugosum      
Boneset Eupatorium perfoliatum      
Agrimony Agrimonia gryposepala      
Eupatorium Eupatorium spp. (5 whorled leaves)      
Tick Trefoil Desmodium sp.      
Yellow Pimpernel Taenidia integerrima      
Tall Bellflower Campanula americana      
Wingstem Actinomeris alterniflora      
Indian tobacco Lobelia inflaca      
Mullien foxglove Dasistoma macrophyla      
Yellow passion flower Passiflora lutea      
Wound wort Stachys palustris      
Tall blue lettuce Lactuca biennis      
Velvet leaf Abutilon theophrasti      
Nut sedge Cyperus spp.      
Monkey Flower Mimulus spp.      
Blue Vervain Verbena hastata      
Flower of an Hour Hibiscus trionum      
Willow Herb Epilobium spp.      
Wild Cucumber Echinocystis lobata      
Woodland sunflower Helianthus divaricatus      
Rough bedstraw Galium asprellum      
Dodder Cuscuta gronovii      
Yellow Goatsbeard Tragopogon pratensis      
Wild Petunia Ruellia spp.      
Chicory Cichorium intybus      
Queen Ann’s Lace Daucus carota      
Elderberry Sambucus spp.      
Mullien Verbascum thapsus      
Ironweed Veronica altissima      
Figwort Scrophularia spp.      
Galinsoga Galinsoga ciliata      
Prostrate Knotweed Polygonum sp.      
Herb from stumps Unk.      
Amaranth
Amaranthus spp.      
Periwinkle Vinca minor 3-18-09 Dan Pearson and Geno Luketic Birch Manor
Bittercress Cardamine hirsuta      
Common Chickweed Stellaria media 4-4-09 Dan Pearson Old Dam
Native Euonymous Euonymous americanus      
Nodding Wild Onion Alium cernuum      
Star-of-Bethlehem Ornithogalum umbellatum      
Wild Sweet William (Meadow Phlox) Phlox maculata      
Lady's Thumb Polygonum persicaria      
Large-leaved Waterleaf Hydrophyllum macrophyllum      
Large-flowered Valerian Valerian pauciflora      
Pokeweed Phytolacca Americana      
Wild Rose Family rosaceae      
Dogbane Apocynum medium      
Alfalfa Medicago sativa      
Horse Nettle Solanum carolinense      
Deptford Pink Dianthus armeria      
Daisy Chrysanthemum leucanthemum      
Yarrow Achillea millefolium      
Horsetail        
Sulfer Cinquefoil        
Moth Mullein Verbascum blattaria      
English Plantain Platago lanceolata      
Canada Thistle Cirsium arvense      
Timothy        
Bindweed Convolvulus spithamaeus      
Corn Speedwell Veronica arvensis 3-9-09 Dan Pearson Near Trailside Museum
Crocus Crocus sp. 3-10-09 Dan Pearson Trailside Museum
Snow Drops Galanthus nivalis 3-11-09 Dan Pearson North Glen, near bike path
Winter Aconite Eranthis hyemalis 3-14-09 Geno Luketic Birch Manor
Dead Nettle Lamium purpureum 3-21-09 Dan Pearson Trailside Museum
Bitter Cress Cardamine pennsylvanica 3-26 Dan Pearson Yellow Spring
Grape Hyacinth Murcaria sp 3-27 Dan Pearson Glen Helen Building
Squill Scilla sp 3-27 Dan Pearson Glen Helen Building
Downy Yellow Violet Viola pubescens 4-5-09 Dan Pearson Upper Talus Trail
Marsh Blue Violet Viola cucullata 4-6-09 Dan Pearson Upper Talus Trail
Daffodil Narcissus spp. 4-1-09 Dan Pearson Upper Talus Trail
Woodland Sedge Carex laxiflora 4-1-09 Dan Pearson Upper Single File Trail
Fragrant Sumac Rhus aromatica 4-4-09 Dan Pearson Trailside Museum
Whitlow Grass Draba verna 4-4-09 Dan Pearson Corry St. Lot
Kidneyleaf Buttercup Ranunculus abortivus 4-8-09 Dan Pearson Yellow Springs
Henbit Lamium amplexicaule 4-7-09 Dan Pearson Near Trailside Museum
Gill Over The Ground Glechoma hederacea 4-9-09 Dan Pearson Near Grinnell Dam
Japanese Barberry Berberis thunbergia 4-13-09 Dan Pearson Lower Birch Creek Trail
Red Bud Cercis canadensis 4-14-09 Dan Pearson Near Trailside Museum
Wood Anemone Anemone quinquefolia 4-17-09 Dan Pearson Upper Birch Creek Trail
Roundleaf Ragwort Senecio obovatus 4-17-09 Dan Pearson Upper Single File Trail
White Trout Lily Erythronium albidum 4-18-09 Cecil Ogg & Julie White Jacoby Canoe Launch
Plantain Leaved Pussytoes Antennaria plantaginifolia 4-19-09 Dan Pearson Upper Birch Creek Trail
Mahaleb Cherry Pronus mahaleb 4-20-09 Dan Pearson Stage Coach Bridge
Yellow Arch Angel Lamiastrum glaeobdolon 4-24-09 Dan Pearson Baldwin Pond
Tartarian Honeysuckle Lonicera tatarica 4-24-09 Dan Pearson Baldwin Pond
Tulip Tulipa spp. 4-24-09 Dan Pearson Raptor Center
Spreading Chervil Chaerophyllum procumbens 4-25-09 Dan Pearson Grinnell Dam
Spring Avens Geum vernum 4-25-09 Dan Pearson Grinnell Dam
Prickly Gooseberry Ribes cynosbati 4-25-09 Dan Pearson Grinnell Dam
Paw Paw Asimina triloba 4-25-09 Dan Pearson Lower Birch Creek Trail
Bladdernut Staphylea trifolia 4-26-09 Dan Pearson Trailside Museum
Celandine Chelidonium majus 4-26-09 Dan Pearson North of Glen Building
Indian Strawberry Duchesnia indica 4-26-09 Dan Pearson North of Glen Building
Cleavers Galium aparine 4-27-09 Dan Pearson Near Pine Forest
Cow-Cress Lepidium campestre 4-27-09 Dan Pearson Near Covered Bridge
Rape (Field Mustard) Brassica rapa 4-27-09 Dan Pearson Beyond Covered Bridge
Purslane Speedwell Veronica perigrina 4-28-09 Dan Pearson Near Glen Bldg.
Yellow Star Grass Hypoxis hirsuta 4-28-09 Dan Pearson Upper Single File Trail
Yellow Pimpernel Taenidia intergerrima 4-28-09 Dan Pearson Upper Single File Trail
Smooth Rock Cress Arabis laevigata 4-28-09 Dan Pearson The Yellow Springs
Lily of the Valley Convollaria majalus 4-29-09 Dan Pearson Near OEC
Golden Alexander Zizia aurea 4-30-09 Dan Pearson Upper Birch Creek Trail
Amur Honeysuckle Lonicera maacki 4-30-09 Dan Pearson North of Glen Bldg.
Smooth Black Haw Viburnum prunifolium 5-1-09 Dan Pearson Lower Talus Trail
Burning Bush (Winged Euonymus) Euonymous alata 5-1-09 Dan Pearson Upper Talus Trail
Hooked Buttercup Ranunculus recurvatus 5-1-09 Dan Pearson Lower Talus Trail
Shepherd's Purse Capsella bursa-pastoris 5-2-09 Dan Pearson Near Trailside
Autumn Olive Elaeagnus umbellata 5-2-09 Dan Pearson Grinnell Dam Area
Wild Hyacinth Camassia scilloides 5-2-09 Dan Pearson Grinnell Dam Area
White Lilac Syringa spp. 5-2-09 Dan Pearson Near Grinnell Rd.
Black Snakeroot (Sanicle) Sanicula gregaria 5-2-09 Dan Pearson Grinnell Dam Area
Violet Wood Sorrel Oxalis violacea 5-3-09 Dan Pearson Upper Birch Creek Trail
Sheep Sorrel Rumex acetosella 5-3-09 Dan Pearson School Forest
Wild Black Cherry Prunus serotina 5-3-09 Dan Pearson School Forest
Flowering Dogwood Cornus florida 5-3-09 Dan Pearson Horace Mann
Thyme-Leaved Sandwort Arenaria serpyllifolia 5-3-09 Dan Pearson Horace Mann
Spring Forget-Me-Not Myositis verna 5-3-09 Dan Pearson Unnatural Objects Trail
Wild Honeysuckle Lonicera dioica 5-4-09 Dan Pearson Upper Talus Trail
Virginia Waterleaf Hydrophyllum virginianum 5-4-09 Dan Pearson Glen Building
Running Strawberry Bush Euonymus obovatus 5-4-09 Dan Pearson Lower Birch Creek Trail
Larger Blue Flag Iris versicolor 5-6-09 Dan Pearson Morgan's Rock
Star of Bethlehem Ornithogalum umbellatum 5-11-09 Dan Pearson Stair Trail
Long Tube Velarian Velariana pauciflora 5-11-09 Dan Pearson Near Cascades
True Forget-Me-Not Myositis scorpioides 5-12-09 Dan Pearson Lower Talus Trail
Black Locust Robinia pseudoacacia 5-13-09 Dan Pearson Near Glen Bldg.
White Clover Trifolium repens 5-14-09 Dan Pearson Near Corry St. Lot
Black Raspberry Rubus occidentalis 5-14-09 Dan Pearson North of Glen Bldg.
Purple Angelica Angelica atropurpurea 5-15-09 Dan Pearson Grinnell Rd. Wetlands
Oriental Bittersweet Celastrus orbiculatus 5-16-09 Dan Pearson OEC cabin
Showy Goatsbeard Tragopogon pratensis 5-16-09 Dan Pearson Baldwin Pond
Peppergrass Lepidium virginicum 5-17-09 Dan Pearson Birch House
Pineapple weed Matricaria matricarioides 5-17-09 Dan Pearson Birch House
Small Flowered Cranesbill Geranium pusilum 5-17-09 Dan Pearson Birch House
Smaller Hop Clover Trifolium procumbens 5-17-09 Dan Pearson Birch House
Rough Fruited Cinquefoil Potentilla recta 5-17-09 Dan Pearson Birch House
Hairy Jointed Meadow Parsnip Thaspium barbinode 5-17-09 Dan Pearson Near Birch House
Mouse Ear Chickweed Cerastium vulgatum 5-17-09 Dan Pearson Birch House
Coral Bells Heuchera sanguinea 5-17-09 Dan Pearson Birch House
Oriental Poppy Papaver orinetale 5-17-09 Dan Pearson Birch House
Wild Parsnip Pastinaca sativa 5-18-09 Dan Pearson South Glen Barn
Yellow Sweet Clover Melilotus officinalis 5-18-09 Dan Pearson South Glen Barn