INVASIVE AND WEEDY PLANT SPECIES IN SOUTHEASTERN PA Common Name Scientific Name Plant Form Amur Maple Acer ginnala Trees Norway Maple Acer platanoides Trees Sycamore Maple Acer pseudoplatanus Trees Horse Chestnut Aesculus hippocastanum Trees Tree‐of‐Heaven Ailanthus altissima Trees Silk Tree (Mimosa) Albizia julibrissin Trees Japanese Angelica Tree Aralia elata Trees European White Birch Betula pendula Trees Paper Mulberry Broussonetia papyrifera Trees White Mulberry Morus alba Trees Princess Tree Paulownia tomentosa Trees Amur Corktree Phellodendron amurense Trees Japanese Corktree Phellodendron japonicum Trees Scots Pine Pinus sylvestris Trees Japanese Black Pine Pinus thunbergii Trees White Poplar Populus alba Trees Sweet Cherry Prunus avium Trees Callery Pear (Bradford Pear) Pyrus calleryana Trees Black Locust Robinia pseudoacacia Trees Crack Willow Salix fragilis Trees Weeping Willow Salix x sepulcralis Trees European Mountain Ash Sorbus acuparia Trees Tetradium daniellii Bee‐bee Tree Trees (syn. Euodia daniellii) Chinese Elm Ulmus parvifolia Trees Siberian Elm Ulmus pumila Trees Acanthopanax sieboldianus 'variegatus' Five‐leaf Aralia Shrubs (syn. Eleytherococcus sieboldianus) European Black Alder Alnus glutinosa Shrubs Japanese Barberry Berberis thunbergii Shrubs Common Barberry Berberis vulgaris Shrubs Butterfly Bush Buddleja davidii Shrubs Scotch Broom Cytisus scoparius Shrubs Fuzzy Pride‐of‐Rochester Deutzia scabra Shrubs Russian Olive Elaeagnus angustifolia Shrubs Autumn Olive Elaeagnus umbellata Shrubs Winged Euonymus Euonymus alatus Shrubs Border Privet Ligustrum obtusifolium Shrubs Common Privet Ligustrum vulgare Shrubs Amur Honeysuckle Lonicera maackii Shrubs Morrow's Honeysuckle Lonicera morrowii Shrubs Lonicera morrowii x tatarica Bell's Honeysuckle Shrubs (syn. Lonicera x bella) Standish Honeysuckle Lonicera standishii Shrubs Tartarian Honeysuckle Lonicera tatarica Shrubs Oriental Photinia Photinia villosa Shrubs Common Buckthorn Rhamnus cathartica Shrubs Glossy Buckthorn Rhamnus frangula Shrubs Black Jetbead Rhodotypos scandens Shrubs Multiflora Rose Rosa multiflora Shrubs Cutleaf Blackberry Rubus laciniatus Shrubs Wineberry Rubus phoenicolasius Shrubs Tropical Soda Apple Solanum viarum Shrubs Japanese Spiraea Spiraea japonica Shrubs Japanese Yew Taxus cuspidata Shrubs Linden Arrowwood Viburnum dilatatum Shrubs Wayfaring Tree Viburnum Viburnum lantana Shrubs Guelder Rose Viburnum opulus var. opulus Shrubs Doublefile Viburnum Viburnum plicatum Shrubs Viburnum sieboldii Viburnum sieboldii Shrubs Velvetleaf Abutilon theophrasti Herbs, Forbs, Legumes Goutweed Aegopodium podagraria Herbs, Forbs, Legumes Common Bugle Ajuga reptans Herbs, Forbs, Legumes Garlic Mustard Alliaria petiolata Herbs, Forbs, Legumes Wild Garlic Allium vineale Herbs, Forbs, Legumes Wild Chervil Anthriscus sylvestris Herbs, Forbs, Legumes Common Burdock Arctium minus Herbs, Forbs, Legumes Marijuana Cannabis sativa Herbs, Forbs, Legumes Shepherd's Purse Capsella bursa‐pastoris Herbs, Forbs, Legumes Narrowleaf Bittercress Cardamine impatiens Herbs, Forbs, Legumes Spiny Plumeless Thistle Carduus acanthoides Herbs, Forbs, Legumes Musk Thistle Carduus nutans Herbs, Forbs, Legumes Brown Knapweed Centaurea jacea Herbs, Forbs, Legumes Centaurea maculosa Spotted Knapweed Herbs, Forbs, Legumes (syn. Centaurea biebersteinii) Common Name Scientific Name Plant Form Yellow Starthistle Centaurea solstitialis Herbs, Forbs, Legumes Greater Celandine Chelidonium majus Herbs, Forbs, Legumes Canada Thistle Cirsium arvense Herbs, Forbs, Legumes Bull Thistle Cirsium vulgare Herbs, Forbs, Legumes Poison Hemlock Conium maculatum Herbs, Forbs, Legumes Crown Vetch Coronilla varia Herbs, Forbs, Legumes Jimsonweed Datura stramonium Herbs, Forbs, Legumes Hairy Willow Herb Epilobium hirsutum Herbs, Forbs, Legumes Cypress Spurge Euphorbia cyparissias Herbs, Forbs, Legumes Leafy Spurge Euphorbia esula Herbs, Forbs, Legumes Goatsrue Galega officinalis Herbs, Forbs, Legumes Piedmont Bedstraw Galium pedemontanum Herbs, Forbs, Legumes Ground Ivy Glechoma hederacea Herbs, Forbs, Legumes Orange Day‐Lilly Hemerocallis fulva Herbs, Forbs, Legumes Giant Hogweed Heracleum mantegazzianum Herbs, Forbs, Legumes Dame's Rocket Hesperis matronalis Herbs, Forbs, Legumes Common St. John's Wort Hypericum perforatum Herbs, Forbs, Legumes British Yellowhead Inula brittanica Herbs, Forbs, Legumes Yellow Iris Iris pseudoacorus Herbs, Forbs, Legumes Kochia Kochia scoparia Herbs, Forbs, Legumes Perennial Pepperweed Lepidium latifolium Herbs, Forbs, Legumes Sericea Lespedeza Lespedeza cuneata Herbs, Forbs, Legumes Oxeye Daisy Leucanthemum vulgare Herbs, Forbs, Legumes Butter‐and‐Eggs Linaria vulgaris Herbs, Forbs, Legumes Bird's‐Foot Trefoil Lotus corniculatus Herbs, Forbs, Legumes Moneywort Lysimachia nummularia Herbs, Forbs, Legumes Purple Loosestrife Lythrum salarica, virgatum Herbs, Forbs, Legumes Yellow Sweetclover Melilotus officinalis Herbs, Forbs, Legumes Omithogalum nutans and Star‐of‐Bethlehem Herbs, Forbs, Legumes Ornithogalum umbellatum Small Broomrape Orobanche minor Herbs, Forbs, Legumes Japanese Pachysandra Pachysandra terminalis Herbs, Forbs, Legumes Wild Parsnip Pastinaca sativa Herbs, Forbs, Legumes Beefsteak Plant Perilla frutescens Herbs, Forbs, Legumes Oriental ladysthumb Polygonum caespitosum Herbs, Forbs, Legumes Japanese Knotweed Polygonum cuspidatum Herbs, Forbs, Legumes Giant Knotweed Polygonum sachaliense Herbs, Forbs, Legumes Lesser Celandine Ranunculus ficaria Herbs, Forbs, Legumes Sheep Sorrel Rumex acetosella Herbs, Forbs, Legumes Tansy Ragwort Senecio jacobaea Herbs, Forbs, Legumes Common Chickweed Stellaria media Herbs, Forbs, Legumes Common Tansy Tanecetum vulgare Herbs, Forbs, Legumes Coltsfoot Tussilago farfara Herbs, Forbs, Legumes Garden Valeriana Valeriana officinalis Herbs, Forbs, Legumes Common Mullein Verbascum thapsus Herbs, Forbs, Legumes Yucca Yucca flaccida Herbs, Forbs, Legumes Jointhead Grass Arthraxon hispidus Grasses Giant Reed Arundo donax Grasses Cheatgrass Bromus tectorum Grasses Asiatic Sand Sedge Carex kobomugi Grasses Weeping Lovegrass Eragrostis curvula Grasses Festuca elatior Tall Fescue (Syn. ‐ Festuca arundinacea, Lolium Grasses arundinaceum, Schedonorus phoenix Cogongrass Imperata cylindrica Grasses Japanese Stilt Grass Microstegium vimineum Grasses Maiden Grass Miscanthus sinensis Grasses Reed Canary Grass Phalaris arundinacea Grasses Common Reed Phragmites australis ssp. australis Grasses Phyllostachys aurea and Golden Bamboo Grasses Phyllostachys spp. Rough Bluegrass Poa trivialis Grasses Pseudoasasa japonica and Arrow Bamboo Grasses Pseudoasasa spp. Japanese Bristlegrass Setaria faberi Grasses Shattercane Sorghum bicolor ssp. Drummondii Grasses Johnson Grass Sorghum halepense Grasses Fiveleaf Akebia (Chocolate Akebia quinata Vines Vine) Porcelain‐berry Amelopsis brevinpedunculata Vines Oriental Bittersweet Celastrus orbiculatus Vines Sweet Autumn Virginsbower Clematis terniflora Vines Field Bindweed Convolvulus arvensis Vines Cynanchum louiseae Black Swallow‐Wort (syn. Cynanchum nigrum, Vincetoxicum Vines nigrum) Common Name Scientific Name Plant Form Cynanchum rossicum Pale Swallow‐Wort Vines (syn. Vincetoxicum rossicum) Chinese Yam Dioscorea oppositifolia Vines Climbing Euonymus Euonymus fortunei Vines English Ivy Hedera helix Vines Japanese Hops Humulus japonicus Vines Japanese Honeysuckle Lonicera japonica Vines Boston Ivy Parthenocissus tricuspidata Vines Polygonum perfoliatum Mile‐a‐Minute Vines (syn. Persicaria perfoliata) Kudzu Pueraria montana var. lobata Vines Bittersweet Nightshade Solanum dulcamara Vines Periwinkle Vinca minor Vines Japanese Wisteria Wisteria floribunda Vines Chinese Wisteria Wisteria sinensis Vines Flowering Rush Butomus umbellatus Aquatic Plants Carolina Fanwort Cabomba caroliniana Aquatic Plants Hydrilla Hydrilla verticillata Aquatic Plants Parrot Feather Watermilfoil Myriophyllum aquaticum Aquatic Plants Eurasian Water‐Milfoil Myriophyllum spicatum Aquatic Plants Curly Pondweed Potamogeton crispus Aquatic Plants Rorippa nasturtium‐aquaticum (syn. Nasturtium nasturtium‐aquaticum, White Watercress Aquatic Plants Nasturtium officinale, Sysymbrium nasturtium‐aquaticum) Giant Salvinia Salvinia molesta Aquatic Plants Water Chestnut Trapa natans Aquatic Plants Narrow‐Leaved Cattail Typha angustifolia Aquatic Plants Hybrid Cattail Typha x glauca Aquatic Plants.