Denmark

Amanita submembranacea

Amaurochaete atra

Amaurochaete tubulina

Amaurodon mustialaensis

Amberbell

Erythronium americanum

Amber-marked birch leafminer

Profenusa thomsoni

ambiguous long-necked moss

Trematodon ambiguus

American Barnyard Grass

Echinochloa muricata

American Barred Umber

Plagodis pulveraria

American Bellbine

Calystegia silvatica

American Blue-Eyed-Grass

Sisyrinchium montanum

American Blue Vervain

Verbena hastata

American Comb Jelly

Mnemiopsis leidyi

American Cupped Oyster

Crassostrea virginica

American Dragon-Head

Dracocephalum parviflorum

American Ginseng

Panax quinquefolius

American Gooseberry Mildew

Podosphaera mors-uvae

American Great Bulrush

Schoenoplectus tabernaemontani

American Hedge-Hyssop

Gratiola neglecta

American Horseshoe Crab

Limulus polyphemus

American house dust mite

Dermatophagoides farinae

American Ivy

Parthenocissus quinquefolia

American Milletgrass

Milium effusum

American Piddock

Petricolaria pholadiformis

American Plantain

Plantago rugelii

American-Sarsaparilla

Aralia nudicaulis

American Savin

Juniperus horizontalis

American Sea Rocket

Cakile edentula

American skunk cabbage

Lysichiton americanus

American Slipper Limpet

Crepidula fornicata

American Twinflower

Linnaea borealis

American Wainscot

Mythimna unipuncta

American Water-Milfoil

Myriophyllum sibiricum

American White Moth

Hyphantria cunea

American Willowherb

Epilobium ciliatum

Amethyst Chanterelle

Cantharellus amethysteus

Amethyst Deceiver

Laccaria amethystina

Amethyst Disco

Smardaea amethystina

a mole flea

Ctenophthalmus bisoctodentatus

Ampelomyces quisqualis

Amphibious Bistort

Persicaria amphibia

Amphibious Watercress

Rorippa amphibia

Amphiprora gigantea

Amphora ovalis

Amur Silver Grass

Miscanthus sacchariflorus

Amylocorticium subsulphureum

Amyloxenasma allantosporum

Amyloxenasma lloydii

Anabaena cylindrica

Anabaenopsis arnoldii

Anathece minutissima

Anchor worm

Lernaea cyprinacea

ancient neptune

Neptunea antiqua

Ando's plait moss

Hypnum andoi

Andres's sea anemone

Edwardsia andresi

Andromeda Lacebug

Stephanitis takeyai

Anemone Cup

Dumontinia tuberosa

An Eyebright

Euphrasia stricta

an Eyebright

Euphrasia arctica

Angel's Bonnet

Mycena arcangeliana