Scientific Name	Common Name
2	Acer platanoides	Norway Maple
2, 3	Ailanthus altissima	Tree of Heaven
2	Alliaria petiolata	Garlic Mustard
1, 3	Allium vineale	Wild Garlic
2, 3	Ampelopsis brevipedunculata	Porcelain Berry
2, 3	Artemisia vulgaris	Mugwort
2	Berberis thunbergii	Japanese Barberry
2	Cardamine impatiens	Narrowleaf Bittercress
1, 2, 3	Carduus acanthoides	Plumeless Thistle
1, 2, 3	Carduus nutans	Musk Thistle
2	Celastrus orbiculatus	Oriental Bittersweet
2	Centaurea stoebe ssp. micranthos	Spotted Knapweed
1, 2, 3	Cirsium arvense	Canada Thistle
1, 2, 3	Cirsium vulgare	Bull Thistle
2	Elaeagnus umbellata	Autumn Olive
2	Euonymus fortunei	Winter Creeper
2,3	Fallopia japonica	Japanese Knotweed
2,3	Ficaria verna	Lesser Celandine
2,3	* Frangula alnus	Glossy Buckthorn
2	Hedera helix	English Ivy
2	Hemerocallis fulva	Daylily
1,4	Heracleum mantegazzianum	Giant Hogweed
2	Humulus japonicus	Japanese Hops
1,2,3	Imperata cylindrica	Cogongrass
2	Lonicera japonica	Japanese Honeysuckle
2	Lonicera maackii	Amur Honeysuckle
2	Lonicera morrowi	Morrow’s Honeysuckle
2	* Lonicera standishii	Standish’s Honeysuckle
2	Lonicera tatarica	Tatarian Honeysuckle
1,2	Lythrum salicaria	Purple Loosestrife
2	Microstegium vimineum	Japanese Stiltgrass
2	Miscanthus sinensis	Chinese Silvergrass
2	Morus alba	White Mulberry
2	Murdannia keisak	Marsh Dayflower
2	Oplismenus undulatifolius	Wavyleaf Basketgrass
2	Paulownia tomentosa	Princesstree, Paulownia
2,3	Perilla frutescens	Perilla
2	Persicaria perfoliata	Mile-a-minute
2	Phalaris arundinacea	Reed Canarygrass
1,2,3	Phragmites australis	Phragmites
2	Phyllostachys spp.	Running Bamboos
2,3	Pueraria montana var. lobata	Kudzu
2,3	Pyrus calleryana	Callery/Bradford Pear
2,3	* Rhamnus cathartica	Common Buckthorn
2	Rhodotypos scandens	Jetbead
2,3	Rosa multiflora	Multiflora Rose
1,2,3,4	Rottboellia cochinchinensis	Itchgrass
2	Schoenoplectus mucronatus	Bog Bulrush
1,3	Sorghum bicolor	Shattercane
1,2,3	Sorghum halepense	Johnsongrass
2,3,4	* Tribulus terrestris	Puncturevine
2	Wisteria sinensis Wisteria floribunda	Chinese Wisteria Japanese Wisteria

* Red Alert species: Species not yet established in Maryland but considered to be of high risk.

1. Currently Regulated by state and/or federal law
   
2. Widely recognized by biologists and natural resource managers to degrade natural resources and/or negatively impact native species
   
3. Known to have a negative economic impact on agricultural or natural resources
   
4. Known or potential negative impacts on human (or animal) health