Denmark

American Cress

Barbarea verna

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 Pumpkin

Cucurbita pepo

American Red Raspberry

Rubus idaeus

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 Walnut

Juglans nigra

American Water-Milfoil

Myriophyllum sibiricum

American White Moth

Hyphantria cunea

American Willowherb

Epilobium ciliatum

American Wormseed

Dysphania ambrosioides

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

Angel's-tears

Narcissus triandrus

Angel'S Trumpet

Datura innoxia

Angel's-trumpets

Datura ferox

Angel'S Wings

Pleurocybella porrigens

Angled Hydromedusa

Gonionemus vertens

angle shades

Phlogophora meticulosa

Angoumois grain moth

Sitotroga cerealella

angular crab

Goneplax rhomboides