Norway

Atlantic rangia

Rangia cuneata

Atlantic Sea Gooseberry

Pleurobrachia pileus

Atlantic Surf Clam

Spisula solidissima

Atlantic turkey wing

Arca zebra

Atlantic white-spotted octopus

Callistoctopus macropus

Atlantic Yellow-nosed Albatross

Thalassarche chlororhynchos

Atlas Cedar

Cedrus atlantica

Atlas Poppy

Papaver atlanticum

Atractosporocybe inornata

Attheya longicornis

Aubretia

Aubrieta deltoidea

Auckland Islands Merganser

Mergus australis

Auckland Islands Rail

Lewinia muelleri

Audubon's Oriole

Icterus graduacauda

Audubon's Shearwater

Puffinus lherminieri

Auger beetle

Sinoxylon ceratoniae

Augur Buzzard

Buteo augur

August Cosmet

Sorhagenia rhamniella

August Flower

Scorzoneroides autumnalis

august thorn

Ennomos quercinaria

Aulacoseira alpigena

Aulacoseira ambigua

Aulacoseira granulata

Aulacoseira italica

Aulacoseira valida

Auliscus pruinosus

Aulosira implexa

Aureoboletus projectellus

Auricula

Primula auricula

aurochs

Bos taurus

Austin's peat moss

Sphagnum austinii

Australasian Bittern

Botaurus poiciloptilus

Australasian Bushlark

Mirafra javanica

Australasian Figbird

Sphecotheres vieilloti

Australasian Grass-Owl

Tyto longimembris

Australasian Swamphen

Porphyrio melanotus

Austral Blackbird

Curaeus curaeus

Arthonia didyma

Arthonia phaeobaea

Arthonia punctiformis

Arthonia stellaris

Arthonia vinosa

Arthrocladia villosa

Arthrorhaphis citrinella

Arthrospira jenneri

Arum-Leaf Arrowhead

Sagittaria cuneata

a Sand Martin flea

Ceratophyllus styx

Ascending Grapefern

Botrychium ascendens

ascending saxifrage

Saxifraga adscendens

Ascension Frigatebird

Fregata aquila

Ascochyta syringae

Ascocoryne cylichnium

Ascocoryne turficola

Ascocyclus orbicularis

Ascodesmis nigricans

Ascotremella faginea

ash

Fraxinus excelsior

Ashambu Laughingthrush

Montecincla meridionalis

Ash-bark Piercer

Pammene suspectana

ash-black slug

Limax cinereoniger