Denmark

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

Akashiwo sanguinea

Akulikuli-Kula

Portulaca oleracea

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

Medicago sativa

Alfalfa blotch leafminer

Agromyza frontella

alfalfa leaf-cutter bee

Megachile rotundata

Alfalfa Moth

Cydia medicaginis

algae stomp

Rugulopteryx okamurae

Alien field ant

Lasius alienus

Alisma Graminoide

Alisma gramineum

Alkanet

Anchusa officinalis

All-black Snout

Nemotelus nigrinus

Allegheny Blackberry

Rubus allegheniensis

Allegheny Serviceberry

Amelanchier laevis

Allheal

Valeriana officinalis

Alligatorweed

Alternanthera philoxeroides

Allium leafminer

Phytomyza gymnostoma

Almond-Scented Russula

Russula fragrantissima

Almond Woodwax

Hygrophorus agathosmus

Aloe Haircap

Pogonatum aloides

Alpine Bilberry

Vaccinium uliginosum

Alpine Bistort

Bistorta vivipara

Alpine Bloodspot Lichen

Ophioparma ventosa

Alpine Bulrush

Trichophorum alpinum

Alpine Chickweed

Cerastium alpinum

Alpine Cranberry

Vaccinium vitis-idaea

Alpine currant

Ribes alpinum

Alpine Dock

Rumex alpinus

Alpine Enchanter'S-Nightshade

Circaea alpina