A Vascular Flora of the Ivy Creek Natural Area, Fourth edition

Index of Common Names

Common Name Scientific Name Common Name Scientific Name

Adam-and-Eve orchid Aplectrum hyemale Barberry, Japanese Berberis thunbergii Adder's-tongue fern Ophioglossum vulgatum Barnyard grass Echinochloa crusgalli Agrimony, beaked Agrimonia rostellata Barren brome grass Bromus sterilis Agrimony, downy Agrimonia pubscens Basil Satureja vulgaris Agrimony, small flowered Agrimonia parviflora Beaked agrimony Agrimonia rostellata Alder, smooth Alnus serrulata Beaked panic grass Panicum anceps Alfalfa Medicago sativa * Bedstraw, blunt-leaved obtusum Alum root Heuchera americana Bedstraw, Clayton's Galium tinctorium * Amaranthus, spiny Amaranthus spinosus Bedstraw, hairy Galium pilosum American bur reed Sparganium americanum Bedstraw, sweet-scented Galium triflorum American chestnut Castanea dentata Beech Fagus grandifolia American elm Ulmus americana Beech drops Epifagus virginiana American holly Ilex opaca Beefsteak Perilla frutescens American hornbeam Carpinus caroliniana Beggar-Ticks Bidens frondosa American pennyroyal Hedeoma pulegioides Bidens tripartita American spikenard Aralia racemosa * Beggar-ticks, nodding Bidens cernua American wintergreen Pyrola rotundifolia * Bellflower Uvularia perfoliata Anemone, rue Anemonella thalictroides Bergamot, wild Monarda fistulosa Angelica, hairy Angelica venenosa Bermuda grass Cynodon dactylon Angle pod Matelea obliqua Big bluestem Andropogon gerardii Annual bluegrass Poa annua Bigtooth aspen Populus grandidentata * Apple Pyrus malus Bindweed Convolvulus arvensis Arbutus, trailing Epigaea repens Bindweed, hedge Calystegia sepium Arrow arum Peltandra virginica Bindweed,low Calystegia spithamaea Arrowhead Sagittaria latifolia Birch, black Betula lenta Arrowleaf tearthumb Polygonum sagittatum Bird’s-foot violet Viola pedata * Arrowwood, southern Viburnum dentatum * Bittercress, hairy Cardamine hirsuta Arum, arrow Peltandra virginica Bittercress, Cardamine pensylvanica Ash, white Fraxinus americana Bitternut hickory Carya cordiformis Asiatic bittersweet Celastrus orbiculatus Bittersweet, Asiatic Celastrus orbiculatus Asiatic dayflower Commelina communis Black birch Betula lenta Asiatic water pepper Polygonum caespitosum Black cherry Prunus serotina Asparagus Asparagus officinalis Black cohosh Cimicifuga racemosa Aspen, bigtooth Populus grandidentata * Black gum Nyssa sylvatica Aster, blue wood Aster cordifolius * Black haw Viburnum prunifolium Aster, bushy white Aster dumosus Black huckleberry Gaylussacia baccata Aster, golden Heterotheca mariana Black locust Robinia pseudoacacia Aster, purple-stemmed Aster puniceus * Black needle grass Stipa avenacea Aster, small wood Aster vimineus * Black nightshade Solanum nigrum var. virginicum Aster, starved Aster lateriflorus Black oak Quercus velutina Aster, toothed white topped Sericocarpus asteroides Black raspberry Rubus occidentalis Aster, wavy-leaved Aster undulatus Black snakeroot Sanicula canadensis Aster, white heath Aster pilosus Black walnut Juglans nigra Aster, white wood Aster divaricatus Black Salix nigra Autumn bent Agrostis perennans Black-eyed Susan Rudbeckia hirta Autumn coralroot Corallorhiza odontorhiza Blackberry Rubus argutus Autumn olive Elaeagnus umbellata Blackberry lily Belamcanda chinensis Avens, white Geum canadense Blackberry, Pennsylvania Rubus pensilvanicus Azalea, wild Rhododendron periclymenoides Bladder campion Silene cucubalus Baneberry Actaea pachypoda Blazing star Chamaelirium luteum *

* Plant not found during 2010 survey Page 1 Bloodroot Sanguinaria canadensis Cabbage, skunk Symplocarpus foetidus Blue corn salad Valerianella locusta * Campion, bladder Silene cucubalus Blue curls Trichostema dichotomum Canada bluegrass Poa compressa Blue wood aster Aster cordifolius * Canada cinquefoil Potentilla canadensis Blue-eyed grass Sisyrinchium angustifolium Canada wild ginger Asarum canadense Bluebells, Virginia Mertensia virginica Cardinal flower Lobelia cardinalis Blueberry, high bush Vaccinium corymbosum Carolina buckthorn Rhamnus caroliniana Blueberry, lowbush Vaccinium pallidum Carolina crane's bill Geranium carolinianum Bluegrass, annual Poa annua Carolina rose Rosa carolina * Bluegrass, Canada Poa compressa Carpet grass Arthraxon hispidus Bluegrass, Kentucky Poa pratensis Carpet weed Mollago verticillata Bluegrass, rough Poa trivialis Catalpa Catalpa speciosa Bluegrass, short-leaved Poa cuspidata Catbrier Smilax glauca Bluets Houstonia caerulea Smilax rotundifolia Bluets, large Houstonia purpurea Catchfly, sleepy Silene antirrhina * Bluets, long-leaved summer Houstonia longifolia Catnip Nepeta cataria Blunt-leaved bedstraw Galium obtusum Cattail Typha latifolia Blunt-lobed woodsia Woodsia obtusa Cherry, black Prunus serotina Boneset Eupatorium perfoliatum Cherry, sweet Prunus avium Boneset, hyssop-leaved Eupatorium hyssopifolium Chestnut oak Quercus prinus Boneset, late-flowering Eupatorium serotinum Chestnut, American Castanea dentata Boneset, upland Eupatorium sessilifolium * Chickwed, jagged Holosteum umbellatum * Bosc's panic grass Dichanthelium boscii Chickweed, common Stellaria media Box elder Acer negundo Chickweed, dwarf mouse-ear Cerastium semidecandrum Bracken fern Pteridium aquilinum Chickweed, giant Stellaria pubera Bracted plantain Plantago aristata Chickweed, great Stellaria pubera Broad beech fern Phegopteris hexagonoptera Chickweed, mouse-ear Cerastium glomeratum Brome grass Bromus pubescens Chickweed, showy Stellaria pubera Brome grass, barren Bromus sterilis Chicory Cichorium intybus * Brome grass, Japanese Bromus japonicus Chinquapin Castanea pumila Brome grass, smooth Bromus inermis Christmas fern Polystichum acrostichoides Broom sedge Andropogon virginicus Cinnamon fern Osmunda cinnamomea Buckthorn, Carolina Rhamnus caroliniana Cinquefoil, Canada Potentilla canadensis Buckwheat, climbing false Polygonum scandens Cinquefoil, old field Potentilla simplex Bugleweed, northern Lycopus uniflorus Cinquefoil, rough Potentilla norvegica * Bugleweed, Virginia Lycopus virginicus Cinquefoil, upright Potentilla recta Bulbous buttercup Ranunculus bulbosus Clammy hedge hyssop Gratiola neglecta Bull thistle Cirsium vulgare * Clasping milkweed Asclepias amplexicaulis Bullrush, many-leaved Scirpus polyphyllus Clayton's bedstraw Galium tinctorium * Bur cucumber Sicyos angulatus Clearweed Pilea pumila Bur reed, American Sparganium americanum Cleavers Galium aparine Burdock Arctium minus * Climbing false buckwheat Polygonum scandens Burning bush Euonymus alatus Clover, hop Trifolium agrarium Bush-clover, creeping Lespedeza repens Clover, least hop Trifolium dubium Bush-clover, hairy Lespedeza hirta Clover, Low hop Trifolium campestre Bush-clover, Japanese Lespedeza striata * Clover, rabbitsfoot Trifolium arvense Bush-clover, round-headed Lespedeza capitata * Clover, red Trifolium pratense Bush-clover, trailing Lespedeza procumbens Clover, white Trifolium repens Bush-clover, violet Lespedeza violacea Club moss, shining Lycopodium lucidulum Bush-clover, wand-like Lespedeza intermedia Club-spurred rein orchid Habenaria clavellata Bushy panic grass Dichanthelium dichotomum Cocklebur Xanthium strumarium Bushy white aster Aster dumosus Cohosh, black Cimicifuga racemosa Butter-and-eggs Linaria vulgaris * Common blue violet Viola papilionacea Buttercup, bulbous Ranunculus bulbosus Common chickweed Stellaria media Buttercup, hooked Ranunculus recurvatus Common dodder Cuscuta gronovii Buttercup. kidney-leaved Ranunculus abortivus Common Joe-Pye-weed Eupatoriadelphus fistulosus Butterfly pea Clitoria mariana Common mallow Malva neglecta Butterfly weed Asclepias tuberosa Common milkweed Asclepias syriaca Butternut Juglans cinerea Common monkeyflower Mimulus ringens Button-weed, Virginia Diodia virginiana Common mullein Verbascum thapsus Buttonbush Cephalanthus occidentalis Common polypody Polypodium virginianum Buttonweed Diodia teres Common ragweed Ambrosia artemisiifolia

* Plant not found during 2010 survey Page 2 Common rush Juncus effusus Doll's eye Actaea pachypoda Common serviceberry Amelanchier arborea Dove foot geranium Geranium molle Common smartweed Polygonum hydropiper Downy agrimony Agrimonia pubscens Common speedwell Veronica officinialis Downy false foxglove Aureolaria virginica Common spike rush Eleocharis obtusa Downy wood violet Viola sororia Common St. Johnswort perforatum Duckweed, greater Spirodela polyrhiza Common vetch Vicia angustifolia (sativa) Dwarf dandelion Krigia virginica Coneflower, tall Rudbeckia laciniata Dwarf mouse-ear chickweed Cerastium semidecandrum Coral berry Symphoricarpos orbiculartus Dwarf plantain Plantago virginica Coralroot, autumn Corallorhiza odontorhiza Dwarf Spirea Spiraea betulifolia * Coreopsis, thread leaf Coreopsis verticillata Dwarf St. Johnswort Hypericum mutilum Corn gromwell Lithospermum arvense Early goldenrod Solidago juncea Corn salad Valerianella olitoria Early saxifrage Saxifraga virginiensis * Corn salad, blue Valerianella locusta * Eastern red cedar Juniperus virginiana Corn speedwell Veronica arvensis Ebony spleenwort Asplenium platyneuron Corydalis, yellow Corydalis flavula Elderberry Sambucus canadensis Cowbane Oxypolis rigidior Elephant's foot Elephantopus carolinianus Crabgrass Digitaria sanguinalis Elm, American Ulmus americana Crabgrass, smooth Digitaria ischaemum Enchanter's nightshade Circaea lutetiana Crane's bill, Carolina Geranium carolinianum English ivy Hedera helix Cranefly orchid Tipularia discolor Evening primrose Oenothera biennis Creeping bush-clover Lespedeza repens Evening primrose, cut-leaved Oenothera laciniata Creeping lovegrass Eragrostis hypnoides Evergreen wild ginger Hexastylis virginica Creeping oxalis Oxalis corniculata Eyebane Euphorbia maculata Creeping water-primrose Ludwigia peploides Faber's foxtail Setaria faberi Cress, field Lepidium campestre False dandelion Pyrrhopappus carolinianus * Cress, March yellow Rorippa palustris False foxglove Aureolaria laevigata Cress, mouse-ear Arabidopsis thaliana * False indigo bush Amorpha fruticosa Cress, smooth rock Arabis laevigata False nettle Boehmeria cylindrica Cress, winter Barbarea vulgaris False pimpernel Lindernia dubia Crested woodfern Dryopteris cristata Fescue, meadow Festuca elatior Croton, yooth-leaved Croton glandulosus Fescue, nodding Festuca obtusa Crown vetch Coronilla varia Fescue, six-weeks Festuca octoflora Crown-beard Verbesina occidentalis Fescue, tall Festuca elatior Cudweed, purple Gnaphalium purpureum Field cress Lepidium campestre Curly dock Rumex crispus Field garlic Allium vineale Cut-leaved evening primrose Oenothera laciniata Field pansy Viola rafinesquii Daisy fleabane Erigeron annuus Field pennycress Thlaspi arvense Erigeron philadelphicus Field thistle Cirsium discolor Erigeron strigosus Figwort, Maryland Scrophularia marilandica * Daisy, ox-eye Chrysanthemum leucanthemum Fire pink Silene virginica Dandelion Taraxacum officinale Fireweed Erechtites hieracifolia Dandelion, dwarf Krigia virginica Flax, toad Linaria canadensis Dandelion, false Pyrrhopappus carolinianus * Flax, yellow Linum medium Dayflower, Asiatic Commelina communis Linum virginianum Daylily Hemerocallis fulva Fleabane, daisy Erigeron annuus Deer tongue grass Dichanthelium clandestinum Erigeron philadelphicus Deerberry Vaccinium stamineum Erigeron strigosus Deptford pink Dianthus armeria Flowering dogwood Cornus Devil's bit Chamaelirium luteum * Flowering spurge Euphorbia corollata Devil's delight Galinsoga quadriradiata Forget me not, smaller Myosotis laxa Dewberry Rubus flagellaris Fowl mannagrass Glyceria striata Dillen's tick-trefoil Desmodium glabellum Fox grape Vitis labrusca Ditch stonecrop Penthorum sedoides Foxglove, downy false Aureolaria virginica Dittany Cunila origanoides Foxglove, false Aureolaria laevigata Dock Rumex conglomeratus Foxglove, smooth yellow Aureolaria flava Dock-leaved smartweed Polygonum lapathifolium Foxtail grass Setaria geniculata Dock, curly Rumex crispus Setaria glauca Dodder, common Cuscuta gronovii Foxtail sedge Carex vulpinoidea Dogbane, spreading Apocynum androsaemifolium Foxtail, Faber's Setaria faberi Dogwood, flowering Cornus florida Fringed loosestrife Lysimachia ciliata Dogwood, silky Cornus amomum Fringetree Chionanthus virginicus

* Plant not found during 2010 survey Page 3 Garlic, field Allium vineale Hawkweed, rough Hieracium scabrum Geranium, dove foot Geranium molle Hawkweed, woodland Hieracium paniculatum * Geranium, wild Geranium maculatum Hawthorn Crataegus sp. Germander Teucrium canadense Crataegus uniflora Giant chickweed Stellaria pubera Hay-scented fern Dennstaedtia punctilobula Giant ragweed Ambrosia trifida Hazelnut Corylus americana Gill over the ground Glechoma hederacea Heal-all Prunella vulgaris Ginger, Canada wild Asarum canadense Hedge bindweed Calystegia sepium Ginger, evergreen wild Hexastylis virginica Hemlock Tsuga canadensis Goat's rue Tephrosia virginiana Hemlock, water Cicuta maculata Goatsbeard Aruncus dioicus * Hemp, Indian Apocynum cannabinum Goatsbeard, yellow Tragopogon pratensis * Henbit Lamium amplexicaule Golden aster Heterotheca mariana Hepatica Hepatica americana Golden ragwort Senecio aureus Hickory, bitternut Carya cordiformis Golden saxifrage Chrysosplenium americanum Hickory, mockernut Carya tomentosa Golden star Chrysogonum virginianum Hickory, pignut Carya glabra Goldenrod, early Solidago juncea Hickory, red Carya ovalis Goldenrod, gray Solidago nemoralis Hickory, shagbark Carya ovata * Goldenrod, late Solidago gigantea High bush blueberry Vaccinium corymbosum Goldenrod, rough Solidago rugosa Hoary tick-trefoil Desmodium canescens * Goldenrod, slender Solidago erecta Hog-peanut Amphicarpa bracteata Goldenrod, sweet Solidago odora Holly, American Ilex opaca Goldenrod, tall Solidago canadensis Honewort Cryptotaenia canadensis Goldenrod, wreath Solidago caesia Honey locust Gleditisia triacanthos Goose grass Eleusine indica Honey vine Cynanchum laeve Grape fern Botrychium dissectum Honeysuckle, Japanese Lonicera japonica Botrychium obliquum Hooked buttercup Ranunculus recurvatus Grape hyacinth Muscari neglectum Hop clover Trifolium agrarium Grape, riverbank Vitis riparia * Hop hornbeam Ostrya virginiana Grape,fox Vitis labrusca Horehound, water Lycopus americanus Grape,winter Vitis vulpina Hornbeam, American Carpinus caroliniana Gray goldenrod Solidago nemoralis Hornbeam, hop Ostrya virginiana Grease grass Tridens flavus Horse balm Collinsonia canadensis Great chickweed Stellaria pubera Horsemint Monarda punctata Greater duckweed Spirodela polyrhiza Horsenettle Solanum carolinense Greater marsh St. Johnswort Hypericum walteri Horseweed Erigeron canadensis Green and gold Chrysogonum virginianum Houstonia, narrow-leaved Houstonia tenuifolia Green-flowered milkweed Asclepias viridiflora Huckleberry, black Gaylussacia baccata Ground cherry Physalis heterophylla Hydrangea, wild Hydrangea arborescens Ground pine Lycopodium obscurum Hyssop skullcap Scutellaria integrifolia Groundnut Apios americana Hyssop-leaved boneset Eupatorium hyssopifolium Gum, black Nyssa sylvatica Hyssop, clammy hedge Gratiola neglecta Hackberry Celtis occidentalis Indian cucumber Medeola virginiana Hairy angelica Angelica venenosa Indian grass Sorghastrum nutans Hairy bedstraw Galium pilosum Indian hemp Apocynum cannabinum Hairy bittercress Cardamine hirsuta Indian physic Gillenia trifoliata * Hairy bush-clover Lespedeza hirta Indian pipe Monotropa uniflora Hairy chess Bromus racemosus Indian strawberry Duchesnea indica Hairy forked nailwort Paronychia fastigiata Indian tobacco Lobelia inflata Hairy hawkweed Hieracium gronovii Indigo bush, false Amorpha fruticosa Hairy jointed meadow parsnip Thaspium barbinode Intermediate woodfern Dryopteris intermedia Hairy panic grass Dichanthelium lanuginosum Interrupted fern Osmunda claytoniana Hairy skullcap Scutellaria elliptica Ironweed, Vernonia noveboracensis Hairy Small leaved tick-trefoil Desmodium ciliare Ivy-leaved morning glory Ipomoea hederacea Hairy sweet cicely Osmorhiza claytoni * Ivy-leaved speedwell Veronica hederaefolia Hairy thoroughwort Eupatorium pilosum * Ivy, English Hedera helix Halberd-leaved tearthumb Polygonum arifolium Jack-in-the-pulpit Arisaema triphyllum Haw, black Viburnum prunifolium Jagged chickwed Holosteum umbellatum * Haw, possum Viburnum nudum Japanese barberry Berberis thunbergii Hawkweed, hairy Hieracium gronovii Japanese brome grass Bromus japonicus Hawkweed, Japanese Youngia japonica Japanese bush-clover Lespedeza striata * Hawkweed, mouse-ear Hieracium pilosella Japanese hawkweed Youngia japonica

* Plant not found during 2010 survey Page 4 Japanese honeysuckle Lonicera japonica Maple, red Acer rubrum Japanese stilt grass Microstegium vimineum March yellow cress Rorippa palustris Jewelweed Impatiens capensis Marginal wood fern Dryopteris marginalis Jimson weed Datura stramonium Marsh fern Thelypteris palustris Joe-Pye-weed, common Eupatoriadelphus fistulosus Marsh purslane Ludwigia palustris Johnson grass Sorghum halepense Marsh violet Viola cucullata Jumpseed Polygonum virginiana Maryland figwort Scrophularia marilandica * Polygonum virginiana Maryland tick-trefoil Desmodium marilandicum Kentucky bluegrass Poa pratensis May apple Podophyllum peltatum Kidney-leaved buttercup Ranunculus abortivus Meadow fescue Festuca elatior King Devil Hieracium caespitosum Meadow parsnip, hairy jointed Thaspium barbinode Knawel Scleranthus annuus * Meadow spikemoss Selaginella apoda Knotweed Polygonum aviculare Meadowrue Thalictrum revolutum * Ladies' tresses, lesser Spiranthes ovalis Meadowrue, late Thalictrum pubescens Ladies' tresses, nodding Spiranthes cernua * Meadowsweet Spiraea alba var. latifolia Ladies' tresses, slender Spiranthes gracilis Mercury, three-seeded Acalypha rhomboidea Lady fern, southern Athyrium asplenioides Acalypha virginica Lady's thumb Polygonum persicaria Mexican tea Chenopodium ambrosioides * Lamb's quarters Chenopodium album * Milkweed, clasping Asclepias amplexicaulis Large bluets Houstonia purpurea Milkweed, common Asclepias syriaca Larger water starwort Callitriche heterophylla Milkweed, green-flowered Asclepias viridiflora Late goldenrod Solidago gigantea Milkweed, swamp Asclepias incarnata Late meadowrue Thalictrum pubescens Milkweed, white Asclepias variegata Late-flowering boneset Eupatorium serotinum Milkweed, whorled Asclepias verticillata Laurel, mountain Kalmia latifolia Mimosa Albizia julibrissin Least hop clover Trifolium dubium Mist flower Eupatorium coelestinum Lesser ladies' tresses Spiranthes ovalis Mistletoe Phoradendron serotinum , white Prenanthes alba * Mockernut hickory Carya tomentosa Lettuce, wild biennis Moneywort Lysimachia nummularia Lactuca canadensis Monkey grass Liriope graminifolia Licorice, wild Galium circaezans Monkeyflower, common Mimulus ringens Lily leaf twayblade Liparis lilifolia Monkeyflower, tall Mimulus alatus Liriope Liriope graminifolia Moon seed Menispermum canadense Little bluestem Andropogon scoparius Morning glory Ipomoea purpurea Lobelia, spiked Lobelia spicata Morning glory, ivy-leaved Ipomoea hederacea Loblolly pine Pinus taeda Morning glory, small white Ipomoea lacunosa Locust, black Robinia pseudoacacia Moth mullein Verbascum blattaria Locust, honey Gleditisia triacanthos Motherwort Leonurus cardiaca Long awned wool grass Brachyelytrum erectum Mountain laurel Kalmia latifolia Long-leaved summer bluets Houstonia longifolia Mountain mint, narrow-leaved Pycnanthemum tenuifolium * Loosestrife, fringed Lysimachia ciliata Mouse-ear chickweed Cerastium glomeratum Loosestrife, whorled Lysimachia quadrifolia Mouse-ear cress Arabidopsis thaliana * Lopseed Phryma leptostachya Mouse-ear hawkweed Hieracium pilosella Lovegrass Eragrostis capillaris Mud plantain Heteranthera reniformis Eragrostis pilosa Mulberry, red Morus rubra Lovegrass, creeping Eragrostis hypnoides Mulberry, white Morus alba Lovegrass, purple Eragrostis spectabilis Mullein, common Verbascum thapsus Low bindweed Calystegia spithamaea Mullein, moth Verbascum blattaria Low hop clover Trifolium campestre Multiflora rose Rosa multiflora Lowbush blueberry Vaccinium pallidum Musk thistle Carduus acanthoides Lyre-leaved sage Salvia lyrata Mustard, tumble Sisymbrium altissimum * Mad-dog skullcap Scutellaria lateriflora Nailwort, hairy forked Paronychia fastigiata Maidenhair fern Adiantum pedatum Nailwort, smooth forked Paronychia canadensis Maidenhair spleenwort Asplenium trichomanes Naked-flowered tick-trefoil Desmodium nudiflorum Maleberry Lyonia ligustrina Narrow-leaved houstonia Houstonia tenuifolia Mallow, common Malva neglecta Narrow-leaved mountain mint Pycnanthemum tenuifolium * Mallow, prickly Sida spinosa Narrow-leaved plantain Plantago lanceolata Mallow, rose Hibiscus moscheutos Nettle, false Boehmeria cylindrica Mandrake Podophyllum peltatum Nettle, purple dead Lamium purpureum Many flowered panic grass Dichanthelium polyanthes New Jersey tea Ceanothus americanus * Many-leaved bullrush Scirpus polyphyllus New York fern Thelypteris noveboracensis Maple-leaved viburnum Viburnum acerifolium New York ironweed Vernonia noveboracensis

* Plant not found during 2010 survey Page 5 Nightshade, black Solanum nigrum var. virginicum Pine, white Pinus strobus Nightshade, enchanter's Circaea lutetiana Pinesap Monotropa hypopithys Nimble Will Muhlenbergia schreberi Pineweed Nodding beggar-ticks Bidens cernua Pink, Deptford Dianthus armeria Nodding fescue Festuca obtusa Pink, fire Silene virginica Nodding ladies' tresses Spiranthes cernua * Pink, rose Sabatia angularis Northern bugleweed Lycopus uniflorus Pink, wild Silene caroliniana * Nut rush Scleria triglomerata Pinweed Lechea racemulosa Oak, black Quercus velutina Pipsissewa Chimaphila umbellata * Oak, chestnut Quercus prinus Pitch pine Pinus rigida Oak, post Quercus stellata Plantain Plantago rugelii Oak, red Quercus rubra Plantain, bracted Plantago aristata Oak, scarlet Quercus coccinea Plantain, dwarf Plantago virginica Oak, southern red Quercus falcata Plantain, mud Heteranthera reniformis Oak, white Quercus alba Plantain, narrow-leaved Plantago lanceolata Old field cinquefoil Potentilla simplex Plantain, rattlesnake Goodyera pubescens Olive, autumn Elaeagnus umbellata Plantain, Robin's Erigeron pulchellus Orchard grass Dactylis glomerata Plantain, water Alisma subcordatum Osage orange Maclura pomifera Plumegrass Erianthus alopecuroides Ox-eye daisy Chrysanthemum leucanthemum Plumeless thistle Carduus acanthoides Oxalis, creeping Oxalis corniculata Pointed-leaved tick-trefoil Desmodium glutinosum * Pale-leaved sunflower Helianthus strumosus * Poison Ivy Rhus radicans Panic grass, beaked Panicum anceps Pokeweed Phytolacca americana Panic grass, Bosc's Dichanthelium boscii Polypody, common Polypodium virginianum Panic grass, bushy Dichanthelium dichotomum Popular, tulip Liriodendron tulipifera Panic grass, hairy Dichanthelium lanuginosum Possum haw Viburnum nudum Panic grass, many flowered Dichanthelium polyanthes Post oak Quercus stellata Panic grass, red topped Panicum rigidulum Potato vine, wild Ipomoea pandurata Panic grass, round fruited Dichanthelium sphaerocarpon Poverty oatgrass Danthonia spicata Panic grass, starved Dichanthelium depauperatum * Prickly mallow Sida spinosa Panic grass, variable Dichanthelium commutatum Primrose willow Ludwigia decurrens Panic grass, velvet Dichanthelium scoparium Princess tree Paulownia tomentosa Pannicled tick-trefoil Desmodium paniculatum Privet Ligustrum sinense Pansy, field Viola rafinesquii Prostate spurge Euphorbia supina Partridge pea Cassia chamaecrista * Prostrate tick-trefoil Desmodium rotundifolium * Partridgeberry Mitchella repens Purple cudweed Gnaphalium purpureum Paspalum, smooth Paspalum laeve Purple dead nettle Lamium purpureum Passion-flower, yellow Passiflora lutea Purple lovegrass Eragrostis spectabilis Pasture thistle Cirsium pumilum Purple top grass Tridens flavus Path rush Juncus tenuis Purple-leaved willow-herb Epilobium coloratum Pawpaw Asimina triloba Purple-stemmed aster Aster puniceus * Pea, butterfly Clitoria mariana Purslane speedwell Veronica peregrina Pea, partridge Cassia chamaecrista * Purslane, marsh Ludwigia palustris Pear Pyrus communis Pussytoes Antennaria plantaginifolia Pennsylvania bittercress Cardamine pensylvanica Queen Anne's lace Daucus carota Pennsylvania blackberry Rubus pensilvanicus Rabbit tobacco Gnaphalium obtusifolium Pennsylvania smartweed Polygonum pensylvanicum Rabbitsfoot clover Trifolium arvense Pennycress, field Thlaspi arvense Ragweed, common Ambrosia artemisiifolia Pennyroyal, American Hedeoma pulegioides Ragweed, giant Ambrosia trifida Peppergrass Lepidium virginicum Ragwort Senecio anonymus Peppermint Mentha piperita Ragwort, golden Senecio aureus Perennial rye grass Lolium perenne Raspberry, black Rubus occidentalis Persian speedwell Veronica persica Rattlesnake fern Botrychium virginianum Persimmon Diospyros virginiana Rattlesnake plantain Goodyera pubescens Petunia, wild Ruellia caroliniensis Rattlesnake weed Hieracium venosum Pickerelweed Pontederia cordata Red cedar,eastern Juniperus virginiana Pignut hickory Carya glabra Red clover Trifolium pratense Pimpernel, false Lindernia dubia Red hickory Carya ovalis Pine, loblolly Pinus taeda Red maple Acer rubrum Pine, pitch Pinus rigida Red mulberry Morus rubra Pine, shortleaf Pinus echinata Red oak Quercus rubra Pine, Virginia Pinus virginiana Red topped panic grass Panicum rigidulum

* Plant not found during 2010 survey Page 6 Redbud Cercis canadensis Slender ladies' tresses Spiranthes gracilis Redtop Agrostis gigantea Small flowered agrimony Agrimonia parviflora Reed canary grass Phalaris arundinacea Small white morning glory Ipomoea lacunosa Rein orchid, club-spurred Habenaria clavellata Small wood aster Aster vimineus * Rice cutgrass Leersia oryzoides Smaller forget me not Myosotis laxa Riverbank grape Vitis riparia * Smartweed, common Polygonum hydropiper Robin's plantain Erigeron pulchellus Smartweed, dock-leaved Polygonum lapathifolium Rose mallow Hibiscus moscheutos Smartweed, Pennsylvania Polygonum pensylvanicum Rose pink Sabatia angularis Smartweed, water Polygonum punctatum Rose, Carolina Rosa carolina * Smooth alder Alnus serrulata Rose, multiflora Rosa multiflora Smooth brome grass Bromus inermis Rough bluegrass Poa trivialis Smooth crabgrass Digitaria ischaemum Rough cinquefoil Potentilla norvegica * Smooth forked nailwort Paronychia canadensis Rough goldenrod Solidago rugosa Smooth paspalum Paspalum laeve Rough hawkweed Hieracium scabrum Smooth rock cress Arabis laevigata Round fruited panic grass Dichanthelium sphaerocarpon Smooth sumac Rhus glabra Round-headed bush-clover Lespedeza capitata * Smooth tick-trefoil Desmodium laevigatum Royal fern Osmunda regalis Smooth yellow foxglove Aureolaria flava Rue anemone Anemonella thalictroides Snakeroot Sanicula marilandica * Rue, goat's Tephrosia virginiana Snakeroot, black Sanicula canadensis Running cedar Lycopodium digitatum Snakeroot, Virginia Aristolochia serpentaria Rush Juncus subcaudatus * Snakeroot, white Eupatorium rugosum Rye grass Elymus riparius Solomon's seal, false Smilacina racemosa Elymus villosus Solomon's seal, true Polygonatum biflorum Rye grass, perennial Lolium perenne Sorrel Oxalis stricta Sarsaparilla, wild Aralia nudicaulis Sorrel, sheep Rumex acetosella Sassafras Sassafras albidum Sorrel, upright yellow wood Oxalis dillenii Sawtooth sunflower Helianthus grosseserratus * Sorrel, violet wood Oxalis violacea Saxifrage, early Saxifraga virginiensis * Southern arrowwood Viburnum dentatum * Saxifrage, golden Chrysosplenium americanum Southern lady fern Athyrium asplenioides Scarlet oak Quercus coccinea Southern red oak Quercus falcata Scorpion grass Myosotis macrosperma Spanish needles Bidens bipinnata Seedbox Ludwigia alternifolia Spearmint Mentha spicata * Senna, wild Cassia hebecarpa * Speedwell, common Veronica officinialis Cassia marilandica Speedwell, corn Veronica arvensis Sensitive fern Onoclea sensibilis Speedwell, ivy-leaved Veronica hederaefolia Sensitive plant Cassia nictitans Speedwell, purslane Veronica peregrina Sericea Lespedeza cuneata Speedwell, thyme-leaved Veronica serpyllifolia Serviceberry, common Amelanchier arborea Speedwell,persian Veronica persica Sessile-leaved tick trefoil Desmodium sessilifolium * Spicebush Lindera benzoin Shadbush Amelanchier canadensis * Spike rush, common Eleocharis obtusa Shagbark hickory Carya ovata * Spiked lobelia Lobelia spicata Sheep sorrel Rumex acetosella Spikemoss, meadow Selaginella apoda Shepherd's purse Capsella bursa-pastoris Spikenard, American Aralia racemosa * Shining club moss Lycopodium lucidulum Spinulose wood fern Dryopteris spinulosa Short-leaved bluegrass Poa cuspidata Spiny amaranthus Amaranthus spinosus Shortleaf pine Pinus echinata Spleenwort, ebony Asplenium platyneuron Showy chickweed Stellaria pubera Spleenwort, maidenhair Asplenium trichomanes Showy orchis Orchis spectabilis Split stem bluestem Andropogon ternarius Showy skullcap Scutellaria serrata * Spotted knappweed Centaurea maculosa Sicklepod Arabis canadensis Spotted St. Johnswort Silky dogwood Cornus amomum Spreading dogbane Apocynum androsaemifolium Silverrod Solidago bicolor Spreading witch grass Panicum dichotomiflorum Six-weeks fescue Festuca octoflora Spurge, flowering Euphorbia corollata Skeletonweed Chondrilla juncea Spurge, prostate Euphorbia supina Skullcap, hairy Scutellaria elliptica Squawroot Conopholis americana * Skullcap, hyssop Scutellaria integrifolia St. Johnswort, common Skullcap, mad-dog Scutellaria lateriflora St. Johnswort, dwarf Hypericum mutilum Skullcap, showy Scutellaria serrata * St. Johnswort, greater marsh Hypericum walteri Skunk cabbage Symplocarpus foetidus St. Johnswort, spotted Hypericum punctatum Sleepy catchfly Silene antirrhina * St. Peterswort Hypericum stans Slender goldenrod Solidago erecta Star-grass, yellow Hypoxis hirsuta

* Plant not found during 2010 survey Page 7 Starved aster Aster lateriflorus Tobacco, rabbit Gnaphalium obtusifolium Starved panic grass Dichanthelium depauperatum * Tooth cup Rotala ramosior Starwort, larger water Callitriche heterophylla Tooth-leaved croton Croton glandulosus Stonecrop, ditch Penthorum sedoides Toothed white topped aster Sericocarpus asteroides Storksbill Erodium cicutarium * Trailing arbutus Epigaea repens Strawberry bush Euonymus americanus Trailing bush-clover Lespedeza procumbens Strawberry, Indian Duchesnea indica Tree of heaven Ailanthus altissima Strawberry, wild Fragaria virginiana Trumpet creeper Campsis radicans Striped wintergreen Chimaphila maculata Tulip popular Liriodendron tulipifera Sumac, smooth Rhus glabra Tumble mustard Sisymbrium altissimum * Sumac, winged Rhus copallina Turnip Brassica rapa Sunflower, pale-leaved Helianthus strumosus * Turtlehead Chelone glabra Sunflower, sawtooth Helianthus grosseserratus * Twayblade, lily leaf Liparis lilifolia Sunflower, thin-leaved Helianthus decapetalus Umbrella sedge Cyperus strigosus Swallow vine Cynanchum laeve Upland boneset Eupatorium sessilifolium * Swamp milkweed Asclepias incarnata Upright cinquefoil Potentilla recta Sweet cherry Prunus avium Upright yellow wood sorrel Oxalis dillenii Sweet cicely, hairy Osmorhiza claytoni * Variable panic grass Dichanthelium commutatum Sweet goldenrod Solidago odora Velvet grass Holcus lanatus Sweet vernal grass Anthoxanthum odoratum Velvet panic grass Dichanthelium scoparium Sweet-scented bedstraw Galium triflorum Velvety tick-trefoil Desmodium viridiflorum Sweetclover, yellow Melilotus officinalis Venus' looking glass Triodanis perfoliata Sweetclover,white Melilotus alba Vervain, white Verbena urticifolia Sweetflag Acorus calmus * Vetch, common Vicia angustifolia (sativa) Switchgrass Panicum virgatum Viburnum, maple-leaved Viburnum acerifolium Sycamore Platanus occidentalis Violet bush-clover Lespedeza violacea Tall coneflower Rudbeckia laciniata Violet wood sorrel Oxalis violacea Tall fescue Festuca elatior Violet, bird’s-foot Viola pedata * Tall goldenrod Solidago altissima Violet, common blue Viola papilionacea Solidago canadensis Violet, downy wood Viola sororia Tall monkeyflower Mimulus alatus Violet, marsh Viola cucullata Tall thoroughwort Eupatorium altissimum * Violet, wood Viola palmata Tearthumb, arrowleaf Polygonum sagittatum Virginia bluebells Mertensia virginica Tearthumb, halberd-leaved Polygonum arifolium Virginia bugleweed Lycopus virginicus Thimbleweed Anemone virginiana Virginia button-weed Diodia virginiana Thin-leaved sunflower Helianthus decapetalus Virginia creeper Parthenocissus quinquefolia Thistle, bull Cirsium vulgare * Virginia pine Pinus virginiana Thistle, field Cirsium discolor Virginia snakeroot Aristolochia serpentaria Thistle, musk Carduus acanthoides Walking fern Asplenium rhizophyllum Thistle, pasture Cirsium pumilum Walnut, black Juglans nigra Thistle, plumeless Carduus acanthoides Wand-like bush-clover Lespedeza intermedia Thoroughwort Eupatorium godfreyanum Wartremoving herb Murdannia keisak Thoroughwort, hairy Eupatorium pilosum * Water hemlock Cicuta maculata Thoroughwort, tall Eupatorium altissimum * Water horehound Lycopus americanus Thoroughwort, white Eupatorium album Water pepper, Asiatic Polygonum caespitosum Thread leaf coreopsis Coreopsis verticillata Water plantain Alisma subcordatum Three-seeded mercury Acalypha rhomboidea Water smartweed Polygonum punctatum Acalypha virginica Water weed Elodea canadensis Thyme-leaved speedwell Veronica serpyllifolia Water willow Justicia americana Tick trefoil, sessile-leaved Desmodium sessilifolium * Water-meal Wolffia papulifera Tick-trefoil, Dillen's Desmodium glabellum Water-primrose, creeping Ludwigia peploides Tick-trefoil, hairy small leaved Desmodium ciliare Wavy-leaved aster Aster undulatus Tick-trefoil, hoary Desmodium canescens * Wedge grass Sphenopholis nitida Tick-trefoil, Maryland Desmodium marilandicum White ash Fraxinus americana Tick-trefoil, naked-flowered Desmodium nudiflorum White avens Geum canadense Tick-trefoil, pannicled Desmodium paniculatum White clover Trifolium repens Tick-trefoil, pointed-leaved Desmodium glutinosum * White grass Leersia virginica Tick-trefoil, prostrate Desmodium rotundifolium * White heath aster Aster pilosus Tick-trefoil, smooth Desmodium laevigatum White lettuce Prenanthes alba * Tick-trefoil, velvety Desmodium viridiflorum White milkweed Asclepias variegata Timothy Phleum pratense White mulberry Morus alba Toad flax Linaria canadensis White oak Quercus alba

* Plant not found during 2010 survey Page 8 White pine Pinus strobus Winter grape Vitis vulpina White snakeroot Eupatorium rugosum Winterberry Ilex verticillata White sweetclover Melilotus alba Wintergreen, American Pyrola rotundifolia * White thoroughwort Eupatorium album Wintergreen, striped Chimaphila maculata White vervain Verbena urticifolia Wiregrass Cynodon dactylon White wood aster Aster divaricatus Wisteria Wisteria sinensis Whorled loosestrife Lysimachia quadrifolia Witch grass Panicum capillare Whorled milkweed Asclepias verticillata Witch grass, spreading Panicum dichotomiflorum Whorled pogonia Isotria verticillata Witch hazel Hamamelis virginiana Wild azalea Rhododendron periclymenoides Wood fern, marginal Dryopteris marginalis Wild bergamot Monarda fistulosa Wood fern, spinulose Dryopteris spinulosa Wild geranium Geranium maculatum Wood reed Cinna arundinacea Wild hydrangea Hydrangea arborescens Wood rush Luzula echinata Wild lettuce Lactuca biennis Wood violet Viola palmata Lactuca canadensis Woodfern, crested Dryopteris cristata Wild licorice Galium circaezans Woodfern, intermediate Dryopteris intermedia Wild petunia Ruellia caroliniensis Woodland hawkweed Hieracium paniculatum * Wild pink Silene caroliniana * Woodsia, blunt-lobed Woodsia obtusa Wild potato vine Ipomoea pandurata Wool grass Scirpus cyperinus Wild sarsaparilla Aralia nudicaulis Wreath goldenrod Solidago caesia Wild senna Cassia hebecarpa * Yam, wild Dioscorea villosa Cassia marilandica Yarrow Achillea millefolium Wild strawberry Fragaria virginiana Yellow corydalis Corydalis flavula Wild yam Dioscorea villosa Yellow flag Iris pseudacorus Willow-herb, purple-leaved Epilobium coloratum Yellow flax Linum medium Willow, black Salix nigra Linum virginianum Willow, primrose Ludwigia decurrens Yellow goatsbeard Tragopogon pratensis * Willow, water Justicia americana Yellow passion-flower Passiflora lutea Wineberry Rubus phoenicolasius Yellow star-grass Hypoxis hirsuta Winged sumac Rhus copallina Yellow sweetclover Melilotus officinalis Wingstem Verbesina alternifolia Yerba de Tado Eclipta alba Winter cress Barbarea vulgaris

Plants without Common Names

Alchemilla microcarpa Carex platyphylla Carex albicans Carex prasina Carex amphibola Carex rosea Carex argyrantha Carex scabrata * Carex blanda Carex stipata * Carex caroliniana Carex striatula Carex cephalophora Carex swanii Carex complanata * Carex tribuloides Carex crinita Carex umbellata Carex debilis Carex virescens * Carex digitalis Cyperus echinatus * Carex festucacea Cyperus erythrorhizos Carex frankii Cyperus flavescens Carex grisea Cyperus lancastriensis Carex intumescens Cyperus lupulinus Carex laevivaginata Cyperus tenuifolius Carex laxiculmis Dichanthelium acuminatum var fasciculatum Carex laxiflora Fimbristylis autumnalis Carex leptalea Galium pedemontanum Carex lurida Juncus secundus Carex nigromarginata Scirpus atrovirens Carex normalis Uniola laxa Carex pensylvanica

Compiled by Tim Williams

* Plant not found during 2010 survey Page 9