Belgium

Black-Horned Smoothtail

Epistrophe grossulariae

Blackish Puffball

Lycoperdon nigrescens

Blackish-Purple Russula

Russula atropurpurea

Black Larder Beetle

Dermestes haemorrhoidalis

Black larder beetle

Dermestes ater

black line scale

Ischnaspis longirostris

Black Locust

Robinia pseudoacacia

Black Locust Leafminer

Macrosaccus robiniella

Black Magic

Dermoloma magicum

Black Marram Weevil

Otiorhynchus atroapterus

Black Medic

Medicago lupulina

Black Morel

Morchella elata

Black Mulberry

Morus nigra

Black Mustard

Brassica nigra

Black Neb

Monochroa lutulentella

Black Nightshade

Solanum nigrum

Black-patch Piercer

Pammene ochsenheimeriana

black pea

Lathyrus niger

Argentine Cocklebur

Xanthium ambrosioides

Argentine needlegrass

Nassella tenuissima

Argentine pepperweed

Lepidium bonariense

Argent & Sable

Rheumaptera hastata

Argid Sawfly

Arge ochropus

Arisaig Crisp-moss

Tortella flavovirens

Arizona beggar-ticks

Bidens aurea

arizona-cypress

Cupressus arizonica

Armenian crane's-bill

Geranium psilostemon

Aromatic Knight

Tricholoma lascivum

Aromatic Pinkgill

Entoloma pleopodium

Arrhenia griseopallida

Arrhenia lobata

Arrocillo

Paspalum paniculatum

Arrow-Grass

Triglochin maritima

arrow-head scale

Unaspis yanonensis

Arrowleaf clover

Trifolium vesiculosum

Arrowleaf sida

Sida rhombifolia

Artemisia

Artemisia vulgaris

Athelopsis lembospora

Atlantic Giant Pumpkin

Cucurbita maxima

Atlantic Ninebark

Physocarpus opulifolius

Atlantic rangia

Rangia cuneata

Atlantic Sea Gooseberry

Pleurobrachia pileus

Atlantic Surf Clam

Spisula solidissima

Atlas Cedar

Cedrus atlantica

Atlas Poppy

Papaver atlanticum

Aubretia

Aubrieta deltoidea

August Cosmet

Sorhagenia rhamniella

August Flower

Scorzoneroides autumnalis

august thorn

Ennomos quercinaria

Asa Gray'S Sedge

Carex grayi

a Sand Martin flea

Ceratophyllus styx

Ascochyta syringae

Ascocoryne cylichnium

Ascotremella faginea

ash

Fraxinus excelsior

Ash-bark Piercer

Pammene suspectana

ash-black slug

Limax cinereoniger

Ashen Coral

Tremellodendropsis tuberosa

Ash whitefly

Siphoninus phillyreae

Ashy Cinquefoil

Potentilla inclinata