All Species

Aquatic Salamander

Pseudoeurycea aquatica

Aquatic Treefrog

Sarcohyla crassa

Aquibacter zeaxanthinifaciens

Aquimarina intermedia

Aquimarina litoralis

Arabian Green Bee-eater

Merops cyanophrys

Arabian pea

Bituminaria bituminosa

Arabian schismus

Schismus arabicus

Arabian Toad

Sclerophrys arabica

Arachnopeziza aurata

Arachnopeziza aurelia

Aragua Glass Frog

Vitreorana antisthenesi

Aragua Poison Frog

Mannophryne neblina

Aragua Robber Frog

Pristimantis anotis

Arahaka

Euphorbia arahaka

Araluen Gum

Eucalyptus kartzoffiana

Aransas Dwarf Crawfish

Cambarellus ninae

Arapaho Sedge

Carex arapahoensis

Araxian Cousinia

Cousinia araxena

Arboreal Flat-footed Salamander

Chiropterotriton arboreus

Arboreal Thorius

Thorius arboreus

Arboreal Treefrog

Dryophytes arboricola

Arborescent pricklypear

Opuntia leucotricha

Arborvitae Leafminer

Argyresthia thuiella

Archaeperidinium minutum

Arched Earthstar

Geastrum fornicatum

Arched Woodwax

Hygrophorus camarophyllus

arch-fronted swimming crab

Liocarcinus navigator

Arctic-alpine Pea Clam

Euglesa conventus

Arctic Blue

Plebejus aquilo

Arctic blue flag

Iris setosa

Arctic cancellate chiton

Leptochiton cancellatus

Arctic Fingernailclam

Sphaerium nitidum

Arctic Forestfly

Nemoura arctica

Arctic Fritillary

Boloria chariclea

Arctic Grayling

Oeneis bore