Norway

arctic sweetgrass

Anthoxanthum arcticum

arctic threadwort

Cephaloziella varians

Arctic Wheatgrass

Elymus violaceus

Arctic willow

Salix arctica

arctic willowherb

Epilobium arcticum

arctic woodrush

Luzula nivalis

Arcyria affinis

Arcyria ferruginea

Arcyria fuegiana

Arcyria globosa

Arcyria insignis

Arcyria stipata

Arcyria verrucosituba

Arenarious Milk-vetch

Astragalus arenarius

Argentine ant

Linepithema humile

Argentine Barley

Hordeum euclaston

Australian dodder

Cuscuta australis

Australian Goosefoot

Dysphania pumilio

Australian spider beetle

Ptinus tectus

Australian Spinach

Chenopodiastrum murale

Australian stork's bill

Erodium cygnorum

Australian tubeworm

Ficopomatus enigmaticus

Australian waterbuttons

Cotula australis

Austrian draba

Draba fladnizensis

Austrian flax

Linum austriacum

Austrian pine scale

Leucaspis pini

Austrian poppy

Papaver alpinum

Austrian Yellow-cress

Rorippa austriaca

Autumnal Moth

Epirrita autumnata

Autumnal Rustic

Eugnorisma glareosa

Autumn Bent

Agrostis perennans

Autumn Clematis

Clematis terniflora

Autumn Crocus

Colchicum autumnale

Autumn fern

Dryopteris erythrosora

autumn green carpet

Chloroclysta miata

Autumn Hawkweed

Hieracium sabaudum

Autumn Millet

Panicum dichotomiflorum

Autumn Willow

Salix serissima

Avens

Geum urbanum

Avian goosefoot

Chenopodium hircinum

Awkward Clusterfly

Pollenia rudis

Awl-Fruited Oval Sedge

Carex tribuloides

Awl-Leaf Mudwort

Limosella aquatica

awl-leaved forklet moss

Dicranella subulata

Awlwort

Subularia aquatica

Awned Canary-grass

Phalaris paradoxa

Awnless Geranium

Geranium molle

Azadinium spinosum

Azalea Gall

Exobasidium japonicum

Azalea leafminer

Caloptilia azaleella

Azpeitia nodulifera

Babington's Orache

Atriplex glabriuscula

Baby blue eyes

Nemophila menziesii

Baby Rose

Rosa multiflora

Bacidia biatorina

Bacidia fraxinea

Bacidia friesiana

Bacidia laurocerasi

Bacidina phacodes

Bacterial Speck

Pseudomonas syringae