Norway

Apiognomonia errabunda

Apostlebird

Struthidea cinerea

Appalaches Appalachian Speckled Shield Lichen

Punctelia appalachensis

Appalachian Shield Lichen

Parmelia neodiscordans

Appalachian Tree Camouflage Lichen

Melanohalea halei

Appert's Tetraka

Xanthomixis apperti

Apple

Malus domestica

Apple Canker

Neonectria ditissima

Apple Capsid

Lygocoris rugicollis

Apple Humble-bee

Bombus pomorum

Apple leaf midge

Dasineura mali

Apple Leaf Miner

Lyonetia clerkella

Apple Leaf Skeletoniser

Choreutis pariana

Apple Marble

Eudemis porphyrana

Apple Of Peru

Nicandra physalodes

Apple Pith Moth

Blastodacna atra

Apple Powdery Mildew

Podosphaera leucotricha

Apple Snail

Pomacea glauca

Apple sucker

Cacopsylla mali

Apricot Club

Clavulinopsis luteoalba

Apurimac Brushfinch

Atlapetes forbesi

aquarium medusa

Cladonema radiatum

Aquatic oligochaete worm

Spirosperma ferox

Aquatic Pygmyweed

Crassula aquatica

Aquatic Warbler

Acrocephalus paludicola

Arabian Golden Sparrow

Passer euchlorus

Arachnopeziza aurata

Arachnopeziza aurelia

Arafura Fantail

Rhipidura dryas

Aransas Dwarf Crawfish

Cambarellus ninae

Araucaria Tit-Spinetail

Leptasthenura setaria

Arborvitae Leafminer

Argyresthia thuiella

Archaeperidinium minutum

Archbold's Newtonia

Newtonia archboldi

Archbold's Nightjar

Eurostopodus archboldi

Arched Earthstar

Geastrum fornicatum

Arched Woodwax

Hygrophorus camarophyllus

arch-fronted swimming crab

Liocarcinus navigator

arching bushweed

Flueggea suffruticosa

Arctic Alkali Grass

Puccinellia arctica

arctic-alpine fleabane

Erigeron humilis

Arctic-alpine Pea Clam

Euglesa conventus

Arctic barrel-bubble

Retusa obtusa

Arctic beauty kiwi

Actinidia kolomikta

Arctic Bentgrass

Agrostis mertensii

Arctic bladderpod

Physaria arctica

Arctic Blue

Plebejus aquilo

Arctic blue flag

Iris setosa

Arctic bluegrass

Poa arctica

Arctic bramble

Rubus arcticus

Arctic Burreed

Sparganium natans

arctic burreed

Sparganium hyperboreum

Arctic Butterbur

Petasites frigidus

arctic cinquefoil

Potentilla hyparctica

Arctic club coral

Clavularia arctica

Arctic cowrie

Trivia arctica

arctic dandelion

Taraxacum arcticum

arctic draba

Draba arctica

Arctic dwarf birch

Betula nana

Arctic Fingernailclam

Sphaerium nitidum