Shenandoah Early Detection Invasive Plants

The purpose of this guide is to provide a tool for people to identify invasive or potentially invasive nonnative plants that have yet to become widespread in Shenandoah National Park.

Included species are grouped by the estimated threat each poses, from 1 (=higher) to 6 (=lower).

Norway maple ¹
Acer platanoides

Ampelopsis brevipedunculata ²
Ampelopsis glandulosa brevipedunculata

Japanese angelica tree ³
Aralia elata

lesser celandine ⁴
Ficaria verna

Reynoutria japonica ⁵
Fallopia japonica

Alder Buckthorn ⁶
Frangula alnus

common ivy ⁷
Hedera helix

Chinese privet ⁸
Ligustrum sinense

Amur honeysuckle ⁹
Lonicera maackii

Morrow's Honeysuckle ¹⁰
Lonicera morrowii

mile-a-minute weed ¹¹
Persicaria perfoliata

Reynoutria sachalinensis

common buckthorn ¹²
Rhamnus cathartica

Black Swallow-wort ¹³
Cynanchum louiseae

Common Privet ¹⁴
Ligustrum vulgare

Winter honeysuckle ¹⁵
Lonicera fragrantissima

Tatarian honeysuckle ¹⁶
Lonicera tatarica

kudzu ¹⁷
Pueraria montana

Dahurian Buckthorn ¹⁸
Rhamnus davurica

linden viburnum ¹⁹
Viburnum dilatatum

Narrow-leaved Bittercress ²⁰
Cardamine impatiens

thorny olive
Elaeagnus pungens

Japanese silverberry ²¹
Elaeagnus umbellata

winged euonymus ¹⁷
Euonymus alatus

fortune's spindle ²²
Euonymus fortunei

Euonymus kiautschovicus

Border Privet ²³
Ligustrum obtusifolium

Amur Corktree ²⁴
Phellodendron amurense

Jetbead ²⁵
Rhodotypos scandens

Siebold's Viburnum ²⁶
Viburnum sieboldii

Chinese wisteria ²⁷
Wisteria sinensis

Achyranthes japonica ²⁸

Chinese gooseberry
Actinidia chinensis

Alligator weed ²⁹
Alternanthera philoxeroides

Bushkiller
Cayratia japonica

Japanese Hop ³⁰
Humulus japonicus

Japanese Privet ³¹
Ligustrum japonicum

Glossy Privet ³²
Ligustrum lucidum

Lonicera bella

Java water-dropwort ²⁸
Oenanthe javanica

Japanese Spiraea ³³
Spiraea japonica

Symplocos paniculata ³⁴

Chinese Tallow ³⁵
Triadica sebifera

Siberian elm ¹⁷
Ulmus pumila

guelder-rose ³⁶
Viburnum opulus

Japanese snowball ³⁷
Viburnum plicatum

Japanese wisteria ³⁸
Wisteria floribunda

Oriental false hawksbeard ³⁹
Youngia japonica

Shrub Lespedeza ⁴⁰
Lespedeza bicolor

Rosebud Cherry ⁴¹
Prunus subhirtella

Cutleaf Blackberry ⁴²
Rubus laciniatus

Rhamnus utilis

Bukhara Fleeceflower ⁴³
Fallopia baldschuanica

white mulberry ⁴⁴
Morus alba

Siberian crabapple
Malus baccata

Callery pear ⁴⁵
Pyrus calleryana

Himalayan Blackberry ⁴⁶
Rubus bifrons

Creeping-Jenny ⁴⁷
Lysimachia nummularia

Japanese maple ⁴⁸
Acer palmatum

large-flowered primrose-willow ⁴⁹
Ludwigia grandiflora

floating primrose-willow ⁵⁰
Ludwigia peploides

holly olive ⁵¹
Osmanthus heterophyllus

Garden Privet ⁵²
Ligustrum ovalifolium

miniature beefsteak-plant ⁵¹
Mosla dianthera

yellow archangel ⁵³
Lamium galeobdolon

Purple Beautyberry ⁵⁴
Callicarpa dichotoma

Atlantic Ivy
Hedera hibernica

Five-leaf akebia ⁵⁵
Akebia quinata

wintergreen barberry ⁵⁶
Berberis julianae

trifoliate orange ⁹
Citrus trifoliata

Incised Fumewort ⁵⁷
Corydalis incisa

Standish's Honeysuckle ⁵⁸
Lonicera standishii

Fly Honeysuckle ⁵⁹
Lonicera xylosteum

Wayfaring-tree ⁵³
Viburnum lantana

Castor-Aralia ⁶⁰
Kalopanax septemlobus

Populus canescens

Hound's-tongue ⁶¹
Cynoglossum officinale

Persian silk tree ⁶²
Albizia julibrissin

European Alder ⁶³
Alnus glutinosa

Paper mulberry ⁶⁴
Broussonetia papyrifera

autumn clematis ⁶⁵
Clematis terniflora

Russian Olive ⁶⁶
Elaeagnus angustifolia

purple-loosestrife ⁶⁷
Lythrum salicaria

Berberis bealei ⁶⁸
Mahonia bealei

Japanese Crabapple ⁶⁹
Malus floribunda

Pear-leaf Crabapple ²⁸
Malus prunifolia

Malus toringo ⁷⁰

white poplar ⁷¹
Populus alba

Stringy Stonecrop ⁸
Sedum sarmentosum

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Shenandoah Early Detection Invasive Plants

Norway maple 1 Acer platanoides

Ampelopsis brevipedunculata 2 Ampelopsis glandulosa brevipedunculata

Japanese angelica tree 3 Aralia elata

lesser celandine 4 Ficaria verna

Reynoutria japonica 5 Fallopia japonica

Alder Buckthorn 6 Frangula alnus

common ivy 7 Hedera helix

Chinese privet 8 Ligustrum sinense

Amur honeysuckle 9 Lonicera maackii

Morrow's Honeysuckle 10 Lonicera morrowii

mile-a-minute weed 11 Persicaria perfoliata

common buckthorn 12 Rhamnus cathartica

Black Swallow-wort 13 Cynanchum louiseae

Common Privet 14 Ligustrum vulgare

Winter honeysuckle 15 Lonicera fragrantissima

Tatarian honeysuckle 16 Lonicera tatarica

kudzu 17 Pueraria montana

Dahurian Buckthorn 18 Rhamnus davurica

linden viburnum 19 Viburnum dilatatum

Narrow-leaved Bittercress 20 Cardamine impatiens

thorny olive Elaeagnus pungens

Japanese silverberry 21 Elaeagnus umbellata

winged euonymus 17 Euonymus alatus

fortune's spindle 22 Euonymus fortunei

Border Privet 23 Ligustrum obtusifolium

Amur Corktree 24 Phellodendron amurense

Jetbead 25 Rhodotypos scandens

Siebold's Viburnum 26 Viburnum sieboldii

Chinese wisteria 27 Wisteria sinensis

Chinese gooseberry Actinidia chinensis

Alligator weed 29 Alternanthera philoxeroides

Bushkiller Cayratia japonica

Japanese Hop 30 Humulus japonicus

Japanese Privet 31 Ligustrum japonicum

Glossy Privet 32 Ligustrum lucidum

Java water-dropwort 28 Oenanthe javanica

Japanese Spiraea 33 Spiraea japonica

Chinese Tallow 35 Triadica sebifera

Siberian elm 17 Ulmus pumila

guelder-rose 36 Viburnum opulus

Japanese snowball 37 Viburnum plicatum

Japanese wisteria 38 Wisteria floribunda

Oriental false hawksbeard 39 Youngia japonica

Shrub Lespedeza 40 Lespedeza bicolor

Rosebud Cherry 41 Prunus subhirtella

Cutleaf Blackberry 42 Rubus laciniatus

Bukhara Fleeceflower 43 Fallopia baldschuanica

white mulberry 44 Morus alba

Siberian crabapple Malus baccata

Callery pear 45 Pyrus calleryana

Himalayan Blackberry 46 Rubus bifrons

Creeping-Jenny 47 Lysimachia nummularia

Japanese maple 48 Acer palmatum

large-flowered primrose-willow 49 Ludwigia grandiflora

floating primrose-willow 50 Ludwigia peploides

holly olive 51 Osmanthus heterophyllus

Garden Privet 52 Ligustrum ovalifolium

miniature beefsteak-plant 51 Mosla dianthera

yellow archangel 53 Lamium galeobdolon

Purple Beautyberry 54 Callicarpa dichotoma

Atlantic Ivy Hedera hibernica

Five-leaf akebia 55 Akebia quinata

wintergreen barberry 56 Berberis julianae

trifoliate orange 9 Citrus trifoliata

Incised Fumewort 57 Corydalis incisa

Standish's Honeysuckle 58 Lonicera standishii

Fly Honeysuckle 59 Lonicera xylosteum

Wayfaring-tree 53 Viburnum lantana

Castor-Aralia 60 Kalopanax septemlobus

Hound's-tongue 61 Cynoglossum officinale

Persian silk tree 62 Albizia julibrissin

European Alder 63 Alnus glutinosa

Paper mulberry 64 Broussonetia papyrifera

autumn clematis 65 Clematis terniflora

Russian Olive 66 Elaeagnus angustifolia

purple-loosestrife 67 Lythrum salicaria

Berberis bealei 68 Mahonia bealei

Japanese Crabapple 69 Malus floribunda

Pear-leaf Crabapple 28 Malus prunifolia