All Species

Aquatic Pygmyweed

Crassula aquatica

Aquatic Salamander

Pseudoeurycea aquatica

Aquatic Treefrog

Sarcohyla crassa

Aquibacter zeaxanthinifaciens

Aquimarina intermedia

Aquimarina litoralis

Arabian Green Bee-eater

Merops cyanophrys

Arabian schismus

Schismus arabicus

Arabian starflower

Ornithogalum arabicum

Arabian Toad

Sclerophrys arabica

Arabian Whip Lobster

Puerulus sewelli

Arabic Gumtree

Vachellia nilotica

Arachnopeziza aurata

Arachnopeziza aurelia

Arafura Fantail

Rhipidura dryas

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

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