Denmark

Afghan-Melon

Citrullus lanatus

African amaranth

Amaranthus muricatus

African bindweed

Convolvulus sabatius

African bird Argasid

Argas reflexus

African Carnation Tortrix

Epichoristodes acerbella

African clawed frog

Xenopus laevis

African dog tick

Haemaphysalis leachi

African Marigold

Tagetes erecta

African Sober

Aproaerema polychromella

Agaricus benesii

Agaricus brunneolus

Agaricus depauperatus

Agaricus lutosus

Agaricus phaeolepidotus

Agaricus subperonatus

Agate Knot-horn

Nyctegretis lineana

agate snail

Cecilioides acicula

Ageratum

Ageratum houstonianum

Agonimia globulifera

Agonimia tristicula

Agrimony case-bearer

Coleophora follicularis

Agrimony Rust

Pucciniastrum agrimoniae

Agrocybe arvalis

Agrocybe dura

Agrocybe elatella

Agrocybe firma

Agrocybe ochracea

Agrocybe vervacti

Ailanthus

Ailanthus altissima

akaika

Ommastrephes bartramii

Akashiwo sanguinea

Alaskan king crab

Paralithodes camtschaticus

Alberta Spruce

Picea glauca

Alder Kitten

Furcula bicuspis

Alder Leaf Gall Mite

Eriophyes laevis

Alder Milkcap

Lactarius obscuratus

Alder Scalycap

Flammula alnicola

alder silk moss

Plagiothecium latebricola

Alder's necklace shell

Euspira nitida

Alder Tongue

Taphrina alni

Alder wooly sawfly

Eriocampa ovata

Alder Wrinkle

Taphrina tosquinetii

Alecost

Tanacetum balsamita

Aleppo Grass

Sorghum halepense

alexanders

Smyrnium olusatrum

Alexandrium leei

Alexandrium ostenfeldii

Alexandrium pseudogonyaulax

Alexandrium tamarense

Alfalfa blotch leafminer

Agromyza frontella

alfalfa leaf-cutter bee

Megachile rotundata

Alfalfa Moth

Cydia medicaginis

algae stomp

Rugulopteryx okamurae

Alien field ant

Lasius alienus

Alkanet

Anchusa officinalis

All-black Snout

Nemotelus nigrinus

Allegheny Blackberry

Rubus allegheniensis

Allegheny Serviceberry

Amelanchier laevis

Allen's Gallinule

Porphyrio alleni

Allheal

Valeriana officinalis