Terrestrial Plants

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