This list includes updates as ratified at the May 17, 2018 MISC Meeting.

	Scientific Name	Common Name
2	Acer platanoides	Norway maple
2, 3	Ailanthus altissima	Tree of heaven
	Akebia quinata	Chocolate vine
	Albizia julibrissin	Mimosa
2	Alliaria petiolata	Garlic mustard
1, 3	Allium vineale	Wild garlic
2, 3	Ampelopsis brevipedunculata	Porcelain berry
	Aralia elata	Japanese angelica tree
2, 3	Artemisia vulgaris	Mugwort
	Arthraxon hispidus	Small carpetgrass
	Arum italicum	Italian arum
	Bambusa vulgaris	Common bamboo
2	Berberis thunbergii	Japanese barberry
	Broussonetia papyrifera	Paper-mulberry
2	Cardamine impatiens	Narrowleaf bittercress
1, 2, 3	Carduus acanthoides	Plumeless thistle
1, 2, 3	Carduus nutans	Musk thistle
	Cayratia japonica	Bushkiller
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
	Conium maculatum	Poison hemlock
	Corydalis incisa	Incised fumewort
	Cytisus scoparius	Scotch broom
2	Elaeagnus umbellata	Autumn olive
	Euonymus alatus	Winged burning Bush
2	Euonymus fortunei	Winter creeper
2,3	Fallopia japonica	Japanese knotweed
	Geranium lucidum	Shining geranium
2	Hedera helix	English ivy
2	Hemerocallis fulva	Daylily
1,4	Heracleum mantegazzianum	Giant hogweed
2	Humulus scandens (Humulus japonicus)	Japanese hops
1,2,3	Imperata cylindrica	Cogongrass
	Kalopanax septemlobus	Castor aralia
	Lespedeza cuneata	Sericea lespedeza
	Ligustrum lucidum	Glossy privet
	Ligustrum obtusifolium	Border privet
	Ligustrum spp.	Privet
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
	Nandina domestica	Sacred bamboo
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
	Phellodendron amurense	Amur corktree
1,2,3	Phragmites australis ssp. australis	European common reed
	Phyllostachys aurea	Golden bamboo
	Phyllostachys aureosulcata	Yellow groove bamboo
	Phyllostachys bambusoides	Japanese timber bamboo
2	Phyllostachys spp.	Running bamboos
	Poncirus trifoliata	Trifoliate orange
	Prunus avium	Sweet cherry
	Prunus cerasus	Sour cherry
	Prunus mahaleb	Mahaleb cherry
	Prunus tomentosa	Nanking cherry
	Pseudosasa japonica	Arrow bamboo
2,3	Pueraria montana var. lobata	Kudzu
2,3	Pyrus calleryana	Callery/Bradford Pear
	Ranunculus ficaria (Ficaria verna)	Lesser celandine, fig buttercup
2,3	* Rhamnus cathartica	Common buckthorn
	Rhamnus frangula (Frangula alnus)	Glossy buckthorn
2	Rhodotypos scandens	Jetbead
2,3	Rosa multiflora	Multiflora rose
1,2,3,4	Rottboellia cochinchinensis	Itchgrass
	Rubus phoenicolasius	Wine raspberry
2	Schoenoplectus mucronatus	Bog bulrush
1,3	Sorghum bicolor	Shattercane
1,2,3	Sorghum halepense	Johnsongrass
2,3,4	* Tribulus terrestris	Puncturevine
	Tripidium ravennae (aka Erianthus ravennae, Ripidium ravennae, Saccharum ravennae)	Ravennagrass
	Viburnum dilatatum	Linden viburnum
	Viburnum plicatum (Viburnum plicatum var. tomentosum)	Japanese snowball
	Viburnum sieboldii	Siebold’s arrowwood
	Viburnum spp.	Viburnum (exotics)
	Vincetoxicum nigrum	Black dog-strangling vine, black swallowwort
	Vincetoxicum rossicum	Dog-strangling vine, European swallowwort
	Wisteria floribunda	Japanese wisteria
	Wisteria sinensis	Chinese wisteria
	Wisteria x formosa	Hybrid 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