Netherlands

Aegean wallflower

Erysimum cheiri

Aeonium

Aeonium cuneatum

Afghan-Melon

Citrullus lanatus

African amaranth

Amaranthus muricatus

African asparagus fern

Asparagus asparagoides

African Bermuda-grass

Cynodon incompletus

African bird Argasid

Argas reflexus

African bristlegrass

Setaria sphacelata

African Carnation Tortrix

Epichoristodes acerbella

African clawed frog

Xenopus laevis

African-lily

Agapanthus praecox

African Marigold

Tagetes erecta

African pepperwort

Lepidium africanum

African-Spinach

Amaranthus cruentus

agate snail

Cecilioides acicula

Ageratum

Ageratum houstonianum

Ailanthus

Ailanthus altissima

Akiraho

Olearia paniculata

Akulikuli-Kula

Portulaca oleracea

Albanian spurge

Euphorbia characias

Alberta Spruce

Picea glauca

Aleppo Grass

Sorghum halepense

alexanders

Smyrnium olusatrum

Alexandrium leei

Alexandrium tamarense

Alfalfa

Medicago sativa

Algerian Iris

Iris unguicularis

Algerian Ivy

Hedera algeriensis

Algerian Oak

Quercus canariensis

Alkanet

Anchusa officinalis

Allegheny Blackberry

Rubus allegheniensis

Alligatorweed

Alternanthera philoxeroides

Allium leafminer

Phytomyza gymnostoma

Aloe Yucca

Yucca aloifolia

Alpine Blue-sow-thistle

Cicerbita alpina

Alpine currant

Ribes alpinum

Alpine Fur

Abies lasiocarpa

Alpine Knapweed

Centaurea nigrescens

alpine meadow grass

Poa alpina

alpine-scabious

Cephalaria alpina

Alpine Squill

Scilla bifolia

Alsike Clover

Trifolium hybridum

Alternaria saponariae

Alternate-leaved Butterfly-bush

Buddleja alternifolia

Amarelle Cherry

Prunus cerasus

Ambrosi's Cave Salamander

Speleomantes ambrosii

American Barnyard Grass

Echinochloa muricata

American Bellbine

Calystegia silvatica

American Black Elderberry

Sambucus canadensis

American Black Nightshade

Solanum americanum

American Blueberry

Vaccinium corymbosum

American Blue-Eyed-Grass

Sisyrinchium montanum

American Blue Vervain

Verbena hastata

American brackish water medusa

Nemopsis bachei

American Buffalo Treehopper

Stictocephala bisonia

American Comb Jelly

Mnemiopsis leidyi

American Cranberry

Vaccinium macrocarpon

American Cress

Barbarea verna

American Cupped Oyster

Crassostrea virginica

American Dragon-Head

Dracocephalum parviflorum