Ireland

Alien field ant

Lasius alienus

Alkanet

Anchusa officinalis

Alsike Clover

Trifolium hybridum

Amarelle Cherry

Prunus cerasus

American Bellbine

Calystegia silvatica

American Blue-Eyed-Grass

Sisyrinchium montanum

American Cranberry

Vaccinium macrocarpon

American Cress

Barbarea verna

American Cupped Oyster

Crassostrea virginica

American Gooseberry Mildew

Podosphaera mors-uvae

American Ivy

Parthenocissus quinquefolia

American Oyster Drill

Urosalpinx cinerea

American skunk cabbage

Lysichiton americanus

American Slipper Limpet

Crepidula fornicata

American Walnut

Juglans nigra

American Willowherb

Epilobium ciliatum

Anise

Myrrhis odorata

Annual bastardcabbage

Rapistrum rugosum

Annual canarygrass

Phalaris canariensis

Annual candytuft

Iberis amara

Annual Cosmos

Cosmos bipinnatus

Annual Honesty

Lunaria annua

Annual Knawel

Scleranthus annuus

Annual Mercury

Mercurialis annua

Annual Ragweed

Ambrosia artemisiifolia

Annual Wall-rocket

Diplotaxis muralis

Aphanomyces astaci

Apple Mint

Mentha suaveolens

Apple Of Peru

Nicandra physalodes

Australian Pine

Pinus nigra

Australian spider beetle

Ptinus tectus

Australian treefern

Dicksonia antarctica

Australian tubeworm

Ficopomatus enigmaticus

Austrian Yellow-cress

Rorippa austriaca

Awned Canary-grass

Phalaris paradoxa

Azalea leafminer

Caloptilia azaleella

Baby Rose

Rosa multiflora

Ball Mustard

Neslia paniculata

Balm

Melissa officinalis

Balm-Of-Gilead

Populus jackii

bamboo mussel-scale

Pinnaspis buxi

Barbary Matrimony Vine

Lycium barbarum

Barberry

Berberis vulgaris

Barn Funnel Weaver

Tegenaria domestica

Basket Willow

Salix purpurea

Bastard Cedar

Calocedrus decurrens

Bastard Cress

Thlaspi arvense

Bastard Cress

Lepidium campestre

bay barnacle

Amphibalanus improvisus

Beach Wormwood

Artemisia stelleriana

bearberry cotoneaster

Cotoneaster dammeri

Bearded Iris

Iris germanica

Beardless rabbitsfoot grass

Polypogon viridis

Bear's-breech

Acanthus mollis

Bee Plant

Borago officinalis

Beet Moth

Scrobipalpa ocellatella

Black Cherry

Prunus serotina

Black Currant

Ribes nigrum

Black-grass

Alopecurus myosuroides

blackheaded fireworm, Holly Tortrix

Rhopobota naevana