National Park Service

Northeast Coastal and Barrier Network (NCBN)

Invasive Species in NCBN Parks

Purple Loosetrife
Purple Loosestrife.


Aquatics

Parks

A
S
I
S

C
A
C
O

C
O
L
O

FIIS

G
A
T
E

G
E
W
A

S
A
H
I

T
H
S
T

(Isl) (WIFL)

Myrophyllum sps.
watermilfoils

 

 

 

 

 

 

X

 

 

<

Herbs

Parks

A
S
I
S

C
A
C
O

C
O
L
O

FIIS

G
A
T
E

G
E
W
A

S
A
H
I

T
H
S
T

(Isl) (WIFL)

Alliaria petiolata
garlic mustard

X

X

X

X

X

X

X

Allium vineale
wild garlic

X

Artemisia stelleriana
oldwoman

X

X

 

 

 

 

 

 

 

Artemisia vulgaris
mugwort

X

 

 

X

X

X

X

 

X

Bidens polylepis
beggarticks

X

 

 

 

 

 

 

 

 

Centaurea stoebe
ssp. micranthos

spotted knapweed

X

X

 

X

 

X

X

 

X

Cirsium arvense
Canada thistle

X

X

X

X

X

X

X

 

X

Cirsium vulgare
bull thistle

X

 

 

X

X

X

 

 

 

Commelina communis
Asiatic dayflower

X

 

 

 

 

X

 

 

 

Datura stramonium
jimsonweed

 

X

 

 

 

 

X

 

 

Euphorbia cyparissias
cypress spurge

 

X

 

 

X

X

 

 

 

Fallopia japonica
Japanese knotweed

 

X

 

X

X

X

X

 

X

Heracleum
mantegazzianum

giant hogweed

 

 

 

 

 

X

 

 

 

Lespedeza cuneata
Chinese lespedeza

X

 

X

 

X

 

X

 

X

Lythrum salicaria
purple loosestrife

X

X

 

 

 

X

X

 

X

Perilla frutescens
beefsteak plant

 

 

X

 

 

 

X

 

X

Ranunculus ficaria
fig buttercup

 

 

 

 

X

 

 

X

 

Rumex acetosella
common sheep sorrel

X

X

 

 

 

 

 

 

 

Verbascum thapsus
common mullein

 

X

 

X

X

 

X

 

X

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Grasses

Parks

A
S
I
S

C
A
C
O

C
O
L
O

FIIS

G
A
T
E

G
E
W
A

S
A
H
I

T
H
S
T

(Isl) (WIFL)

Bromus inermis
smooth brome

X

Bromus japonicas
Japanese brome

X

Bromus tectorum
cheatgrass

X

X

Carex kobomugi
Japanese sedge

X

X

X

Dactylis glomerata
orchardgrass

X

X

X

 

 

X

X

 

X

Echinochloa crus-galli
barnyardgrass

 

 

 

 

 

X

 

 

 

Eragrostis curvula
weeping lovegrass

X

 

X

 

 

 

 

 

 

Festuca rubra
red fescue

 

 

X

 

 

 

X

 

X

Holcus lanatus
common velvetgrass

 

X

X

 

 

 

 

 

 

Microstegium vimineum
Japanese stiltgrass

 

 

X

 

X

X

X

X

X

Miscanthus sinensis
Chinese silvergrass

X

 

 

 

 

 

 

 

 

Nandina domestica
sacred bamboo

 

 

 

 

 

 

X

 

 

Pennisetum
alopecuroides

Chinese fountaingrass

X

 

 

 

 

 

 

 

 

Phragmites australis
common reed

X

X

X

X

X

X

X

X

 

Phyllostachys aurea
golden bamboo

 

 

X

 

 

 

 

 

 

Poa compressa
Canada bluegrass

X

X

 

 

 

 

 

 

 

Schedonorus
arundinaceus

tall fescue

 

 

 

 

 

 

X

 

X

Sorghum halepense
johnsongrass

 

 

X

 

 

 

X

 

X

Sporobolus indicus
smut grass

X

 

 

 

 

 

 

 

 

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Shrubs

Parks

A
S
I
S

C
A
C
O

C
O
L
O

FIIS

G
A
T
E

G
E
W
A

S
A
H
I

T
H
S
T

(Isl) (WIFL)

Alnus glutinosa
European alder

X

 

 

 

 

 

 

 

 

Berberis thunbergii
Japanese barberry

 

X

 

X

X

 

X

X

 

Elaeagnus angustifolia
Russian olive

 

 

 

X

X

X

 

 

 

Elaeagnus umbellate
autumn olive

X

X

X

X

X

X

X

 

X

Euonymus alatus
winged burning bush

 

 

X

 

 

 

 

X

 

Ligustrum sinense
Chinese privet

 

 

X

 

 

X

 

 

 

Ligustrum vulgare
European privet

 

X

 

 

 

X

X

 

 

Lonicera maackii
Amur honeysuckle

 

 

 

 

 

X

 

 

 

Lonicera morrowii/
tatarica/x bella

shrub honeysuckles

 

 

 

 

 

X

 

 

 

Lonicera morrowii
Morrow’s honeysuckle

 

X

 

 

 

 

 

X

 

Lonicera sp.
honeysuckle (exotics)

 

X

X

X

X

 

 

 

 

Lonicera tatarica
Tatarian honeysuckle

 

X

X

 

 

 

 

X

 

Lonicera x bella
Bell’s honeysuckle

 

X

 

 

 

 

 

X

 

Rhamnus cathartica
European buckthorn

 

 

 

 

 

X

 

 

 

Rhamnus frangula
glossy buckthorn

 

X

 

 

 

X

 

 

 

Rosa lucieae
memorial rose

X

 

 

 

 

 

 

 

 

Rosa multiflora
multiflora rose

X

X

 

X

X

X

X

X

X

Rubus phoenicolasius
wine raspberry

 

 

 

 

X

 

X

 

X

Ulex europaeus
gorse

 

 

 

 

 

 

X

 

 

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Trees

Parks

A
S
I
S

C
A
C
O

C
O
L
O

FIIS

G
A
T
E

G
E
W
A

S
A
H
I

T
H
S
T

(Isl) (WIFL)

Acer pseudoplatanus
sycamore maple

 

 

 

 

 

X

 

 

 

Ailanthus altissima
tree-of-heaven

X

 

X

X

X

X

X

 

X

Albizia julibrissin
mimosa

X

 

X

 

 

 

X

 

 

Morus alba
white mulberry

X

 

 

 

 

 

 

 

 

Paulownia tomentosa
princess tree

 

 

X

 

 

X

X

 

X

Pinus thunbergii
Japanese black pine

X

X

 

X

X

 

 

 

 

Populus alba
white poplar

 

X

X

 

 

 

 

 

 

Pyrus calleryana
Callery pear

 

 

 

 

 

X

 

 

 

Robinia pseudoacacia
black locust

 

X

 

 

X

X

 

 

 

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Vines

Parks

A
S
I
S

C
A
C
O

C
O
L
O

FIIS

G
A
T
E

G
E
W
A

S
A
H
I

T
H
S
T

(Isl) (WIFL)

Akebia quinata
chocolate vine

 

 

X

 

 

 

 

 

 

Ampelopsis
brevipedunculata

Amur peppervine

 

 

 

 

 

X

 

 

 

Celastrus orbiculatus
oriental bittersweet

 

X

 

X

X

X

X

X

X

Clematis terniflora
sweet autumn
virginsbower

X

 

 

 

 

X

 

 

 

Cynanchum louiseae
black swallowwort

 

 

 

 

 

X

 

 

 

Glechoma hederacea
ground ivy

 

 

 

 

 

 

 

 

X

Hedera helix
English ivy

X

 

X

X

X

X

X

 

X

Humulus japonicas
Japanese hop

 

 

 

 

 

X

 

 

 

Lonicera japonica
Japanese honeysuckle

X

X

X

X

X

X

X

X

X

Persicaria perfoliata
mile-a-minute weed

 

 

 

 

X

 

X

X

X

Pueraria montana
var. lobata

kudzu

 

 

X

 

 

 

 

 

 

Securigera varia
crownvetch

 

 

 

 

 

X

 

 

 

Vinca major
bigleaf periwinkle

 

 

X

 

 

 

X

 

X

Vinca minor
common periwinkle

 

X

X

 

 

 

X

 

X

Vitex rotundifolia
beach vitex

X

 

 

 

 

 

 

 

 

Wisteria floribunda
Japanese wisteria

 

X

 

X

X

X

 

 

 

Wisteria sinensis
Chinese wisteria

 

 

X

X

X

 

 

 

 

Wisteria sp
wisteria

 

X

 

X

X

 

X

 

 

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Last Updated: December 30, 2016 Contact Webmaster