United Kingdom

Ant

Tetramorium simillimum

Ant

Technomyrmex vitiensis

Eastern Star-thistle

Centaurea hyalolepis

Persian hogweed

Heracleum persicum

Ant

Strumigenys rogeri

Ant

Technomyrmex albipes

Eggert'S Hawthorn

Crataegus coccinioides

Ant

Tetramorium insolens

Egyptian black scale

Chrysomphalus aonidum

Annual Valerian

Centranthus calcitrapae

Annual trampweed

Facelis retusa

Ankara Crocus

Crocus ancyrensis

Angled pea

Lathyrus angulatus

Engelmann Spruce

Picea engelmannii

Angel's-wings

Opuntia microdasys

Angel's-tears

Narcissus triandrus

Andromeda Lacebug

Stephanitis takeyai

Andean Water Milfoil

Myriophyllum quitense

Anchor worm

Lernaea cyprinacea

Turk's Earth Centipede

Nothogeophilus turki

Thrips

Thrips simplex

American White Moth

Hyphantria cunea

American Tearthumb

Persicaria sagittata

American Rhododendron

Rhododendron maximum

Crimson woodsorrel

Oxalis incarnata

American Horseshoe Crab

Limulus polyphemus

American Gooseberry Mildew

Podosphaera mors-uvae

American Figwort

Scrophularia lanceolata

American Black Nightshade

Solanum americanum

American Black Elderberry

Sambucus canadensis

Alternaria saponariae

European seaheath

Frankenia pulverulenta

Alpine Fur

Abies lasiocarpa

Cuban Tree Frog

Osteopilus septentrionalis

Allium leafminer

Phytomyza gymnostoma

Algerian Oak

Quercus canariensis

Algerian Iris

Iris unguicularis

Alexandrium tamarense

Alexandrium leei

False daisy

Eclipta prostrata

Alexanders Rust

Puccinia smyrnii

False Leafy Spurge

Euphorbia pseudoesula

False Lupin

Thermopsis montana

Alaska Cedar

Xanthocyparis nootkatensis

Fat-spiked Yard-grass

Eleusine multiflora

Akiraho

Olearia paniculata

African pepperwort

Lepidium africanum

African-lily

Agapanthus praecox

Field burrweed

Soliva sessilis

African Carnation Tortrix

Epichoristodes acerbella

African bristlegrass

Setaria sphacelata

African Bermuda-grass

Cynodon incompletus

African asparagus fern

Asparagus asparagoides

Finger millet

Eleusine coracana

Fire Birch

Betula populifolia

Aeonium

Aeonium cuneatum

Adherent Bristle-grass

Setaria adhaerens

Adelgid

Pineus pineoides

Adam's Leedle

Yucca gloriosa

Basket Fungus

Ileodictyon cibarium