Lancashire Key Species - Invasive Non-native Species

Invasive Non-native Species species included on the list of Lancashire Key Species reviewed on 24/09/2019.

Lancashire Key Species (LKS) refers to species which have a recognised status, either (inter)nationally or locally within Lancashire. The criteria for inclusion are available from ...more ↓

All 168

lodgepole pine ¹
Pinus contorta

black pine ²
Pinus nigra

water fern ³
Azolla filiculoides

Biddy-biddy ⁴
Acaena novae-zelandiae

Norway maple ⁵
Acer platanoides

sycamore maple ⁶
Acer pseudoplatanus

sweet-flag ⁷
Acorus calamus

slender sweet flag ⁸
Acorus gramineus

Goutweed ⁹
Aegopodium podagraria

Horse-chestnut ¹⁰
Aesculus hippocastanum

tree-of-heaven ¹¹
Ailanthus altissima

Garden Lady's-mantle ¹²
Alchemilla mollis

Few-flowered Leek ²
Allium paradoxum

Three-cornered garlic ¹³
Allium triquetrum

Italian alder ¹⁴
Alnus cordata

grey alder ¹⁵
Alnus incana

Peruvian Lily ¹⁶
Alstroemeria aurea

Garden angelica ¹⁷
Angelica archangelica

Anisantha diandra ¹⁸
Bromus diandrus

Anisantha rigida ¹⁹
Bromus rigidus

Anisantha sterilis
Bromus sterilis

cape-pondweed ²⁰
Aponogeton distachyos

asters ²¹
Aster

Aster laevis ²²
Symphyotrichum laeve

Aster lanceolatus ²³
Symphyotrichum lanceolatum

Aster novi-belgii ²⁴
Symphyotrichum novi-belgii

Japanese aucuba ²⁵
Aucuba japonica

Japanese barberry ²⁶
Berberis thunbergii

field mustard ²⁷
Brassica rapa

Butterfly bush ²⁸
Buddleja davidii

large bindweed ²⁹
Calystegia silvatica

Trailing bellflower ³⁰
Campanula poscharskyana

Greater Cuckooflower ³¹
Cardamine raphanifolia

Ceratochloa carinata ¹⁹
Bromus carinatus

Lawson's cypress ³²
Chamaecyparis lawsoniana

Common Blue-sow-thistle ³³
Cicerbita macrophylla

miner's lettuce ³⁴
Claytonia perfoliata

Candy Flower ²⁶
Claytonia sibirica

White Dogwood ³⁵
Cornus alba

Cotoneasters ³⁶
Cotoneaster

Ascending Cotoneaster
Cotoneaster ascendens

Hollyberry Cotoneaster ³⁷
Cotoneaster bullatus

Congested Cotoneaster ³⁸
Cotoneaster congestus

Tibetan Cotoneaster
Cotoneaster conspicuus

Bearberry Cotoneaster ³⁹
Cotoneaster dammeri

Diels' Cotoneaster
Cotoneaster dielsianus

Spreading Cotoneaster ⁴⁰
Cotoneaster divaricatus

Franchet's cotoneaster ⁴¹
Cotoneaster franchetii

tree cotoneaster ⁴²
Cotoneaster frigidus

Hjelmqvist's Cotoneaster
Cotoneaster hjelmqvistii

Wall cotoneaster ⁴³
Cotoneaster horizontalis

Hardy Cotoneaster
Cotoneaster induratus

entire-leaved cotoneaster ⁴⁴
Cotoneaster integrifolius

Cotoneaster lacteus ¹⁶
Cotoneaster coriaceus

Rockspray Cotoneaster ⁴⁵
Cotoneaster microphyllus

Bullate Cotoneaster ⁴⁶
Cotoneaster rehderi

Willow-leaved Cotoneaster ⁴⁷
Cotoneaster salicifolius

Himalayan cotoneaster ⁴⁸
Cotoneaster simonsii

Stern's Cotoneaster
Cotoneaster sternianus

Tengyueh Cotoneaster
Cotoneaster tengyuehensis

Lleyn Cotoneaster
Cotoneaster villosulus

New Zealand pygmyweed ⁴⁹
Crassula helmsii

Brazilian waterweed ⁵⁰
Egeria densa

common waterweed ⁵¹
Elodea canadensis

Nuttall's Waterweed ⁵²
Elodea nuttallii

horseweed ⁵³
Erigeron canadensis

seaside daisy ⁵⁴
Erigeron glaucus

tropical horseweed ⁵⁵
Erigeron sumatrensis

Bukhara Fleeceflower ⁵⁶
Fallopia baldschuanica

Fallopia japonica ⁵⁷
Reynoutria japonica

Fallopia sachalinensis ⁵⁸
Reynoutria sachalinensis

Prickly Heath ⁵⁹
Gaultheria mucronata

Atlantic Ivy ⁶⁰
Hedera hibernica

Giant Hogweed ⁶¹
Heracleum mantegazzianum

Sea-buckthorn
Hippophae rhamnoides

Spanish Bluebell ⁶²
Hyacinthoides hispanica

water pennywort ⁶³
Hydrocotyle ranunculoides

common jewelweed ²⁶
Impatiens capensis

Himalayan balsam ⁶⁴
Impatiens glandulifera

Curly Waterweed ⁶⁵
Lagarosiphon major

Lamiastrum galeobdolon subsp. argentatum ⁶⁶
Lamium galeobdolon argentatum

Least Duckweed ⁵²
Lemna minuta

Box-leaved Honeysuckle
Lonicera pileata

western skunk cabbage ⁶⁷
Lysichiton americanus

Mimulus guttatus ⁶⁸
Erythranthe guttata

Mimulus luteus ⁶⁹
Erythranthe lutea

Parrot's feather ⁷⁰
Myriophyllum aquaticum

Broadleaf Water-milfoil
Myriophyllum heterophyllum

sweet cicely ⁷¹
Myrrhis odorata

coloured water-lily ⁷²
Nymphaea marliacea

water fringe ⁷³
Nymphoides peltata

Garden pink-sorrel ⁷⁴
Oxalis latifolia

Virginia creeper ⁷⁵
Parthenocissus quinquefolia

himalayan knotweed ⁷⁶
Persicaria wallichii

Winter Heliotrope ⁷⁷
Petasites fragrans

Giant Butterbur ⁷⁸
Petasites japonicus

Sitka spruce ⁷⁹
Picea sitchensis

orange hawkweed ⁸⁰
Pilosella aurantiaca

white poplar ⁸¹
Populus alba

Cherry laurel ⁸²
Prunus laurocerasus

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Lancashire Key Species - Invasive Non-native Species

lodgepole pine 1 Pinus contorta

black pine 2 Pinus nigra

water fern 3 Azolla filiculoides

Biddy-biddy 4 Acaena novae-zelandiae

Norway maple 5 Acer platanoides

sycamore maple 6 Acer pseudoplatanus

sweet-flag 7 Acorus calamus

slender sweet flag 8 Acorus gramineus

Goutweed 9 Aegopodium podagraria

Horse-chestnut 10 Aesculus hippocastanum

tree-of-heaven 11 Ailanthus altissima

Garden Lady's-mantle 12 Alchemilla mollis

Few-flowered Leek 2 Allium paradoxum

Three-cornered garlic 13 Allium triquetrum

Italian alder 14 Alnus cordata

grey alder 15 Alnus incana

Peruvian Lily 16 Alstroemeria aurea

Garden angelica 17 Angelica archangelica

Anisantha diandra 18 Bromus diandrus

Anisantha rigida 19 Bromus rigidus

Anisantha sterilis Bromus sterilis

cape-pondweed 20 Aponogeton distachyos

asters 21 Aster

Aster laevis 22 Symphyotrichum laeve

Aster lanceolatus 23 Symphyotrichum lanceolatum

Aster novi-belgii 24 Symphyotrichum novi-belgii

Japanese aucuba 25 Aucuba japonica

Japanese barberry 26 Berberis thunbergii

field mustard 27 Brassica rapa

Butterfly bush 28 Buddleja davidii

large bindweed 29 Calystegia silvatica

Trailing bellflower 30 Campanula poscharskyana

Greater Cuckooflower 31 Cardamine raphanifolia

Ceratochloa carinata 19 Bromus carinatus

Lawson's cypress 32 Chamaecyparis lawsoniana

Common Blue-sow-thistle 33 Cicerbita macrophylla

miner's lettuce 34 Claytonia perfoliata

Candy Flower 26 Claytonia sibirica

White Dogwood 35 Cornus alba

Cotoneasters 36 Cotoneaster

Ascending Cotoneaster Cotoneaster ascendens

Hollyberry Cotoneaster 37 Cotoneaster bullatus

Congested Cotoneaster 38 Cotoneaster congestus

Tibetan Cotoneaster Cotoneaster conspicuus

Bearberry Cotoneaster 39 Cotoneaster dammeri

Diels' Cotoneaster Cotoneaster dielsianus

Spreading Cotoneaster 40 Cotoneaster divaricatus

Franchet's cotoneaster 41 Cotoneaster franchetii

tree cotoneaster 42 Cotoneaster frigidus

Hjelmqvist's Cotoneaster Cotoneaster hjelmqvistii

Wall cotoneaster 43 Cotoneaster horizontalis

Hardy Cotoneaster Cotoneaster induratus

entire-leaved cotoneaster 44 Cotoneaster integrifolius

Cotoneaster lacteus 16 Cotoneaster coriaceus

Rockspray Cotoneaster 45 Cotoneaster microphyllus

Bullate Cotoneaster 46 Cotoneaster rehderi

Willow-leaved Cotoneaster 47 Cotoneaster salicifolius

Himalayan cotoneaster 48 Cotoneaster simonsii

Stern's Cotoneaster Cotoneaster sternianus

Tengyueh Cotoneaster Cotoneaster tengyuehensis

Lleyn Cotoneaster Cotoneaster villosulus

New Zealand pygmyweed 49 Crassula helmsii

Brazilian waterweed 50 Egeria densa

common waterweed 51 Elodea canadensis

Nuttall's Waterweed 52 Elodea nuttallii

horseweed 53 Erigeron canadensis

seaside daisy 54 Erigeron glaucus

tropical horseweed 55 Erigeron sumatrensis

Bukhara Fleeceflower 56 Fallopia baldschuanica

Fallopia japonica 57 Reynoutria japonica

Fallopia sachalinensis 58 Reynoutria sachalinensis

Prickly Heath 59 Gaultheria mucronata

Atlantic Ivy 60 Hedera hibernica

Giant Hogweed 61 Heracleum mantegazzianum

Sea-buckthorn Hippophae rhamnoides

Spanish Bluebell 62 Hyacinthoides hispanica

water pennywort 63 Hydrocotyle ranunculoides

common jewelweed 26 Impatiens capensis

Himalayan balsam 64 Impatiens glandulifera