Norway

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

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

Ash Dieback

Hymenoscyphus fraxineus

Ashen Coral

Tremellodendropsis tuberosa

Ash whitefly

Siphoninus phillyreae

Ash whitefly parasitoid

Encarsia inaron

Ashworth's Rustic

Xestia ashworthii

Ashy Cinquefoil

Potentilla inclinata

Ashy Mining Bee

Andrena cineraria

Ashy Storm Petrel

Hydrobates homochroa

Ashy Willow

Salix cinerea

Asian Ambrosia Beetle

Xyleborinus attenuatus

Asian Bittersweet

Celastrus orbiculatus

Asian forget-me-not

Myosotis asiatica

Asian hard clam

Meretrix lusoria

Asian Hornet

Vespa velutina

Asian Longhorned Beetle

Anoplophora glabripennis

Asian meadowsweet

Spiraea trilobata

Asian oak fern

Gymnocarpium continentale

Asian paddle crab

Charybdis japonica

Asian semele

Theora lubrica

Asian Skunk-cabbage

Lysichiton camtschatcensis

Asiatic Dayflower

Commelina communis

Asiatic tearthumb

Persicaria perfoliata

Asparagus Rust

Puccinia asparagi

Aspen Clearwing

Eusphecia melanocephala

Aspen Comma Lichen

Arthonia patellulata

Aspen Pigmy

Stigmella assimilella

Aspen-shoot Piercer

Cydia corollana

Aspen Tongue

Taphrina johansonii

Aspergillus flavus

Asperococcus bullosus

Astasia dangeardii

Astasia hypolimnica

Astasia klebsii

Asterionella formosa

Aster leafminer

Calycomyza humeralis

Asterodon ferruginosus

Asteromphalus heptactis

Asteromphalus hyalinus