Turkey

Pseudo-nitzschia calliantha

Scrippsiella trochoidea

Pseudosolenia calcar-avis

Gymnodinium uberrimum

Halothrix lumbricalis

Abutilon-Hemp

Abutilon theophrasti

Adam's Leedle

Yucca gloriosa

Adam'S Needle

Yucca filamentosa

Aegean wallflower

Erysimum cheiri

Afghan-Melon

Citrullus lanatus

African Marigold

Tagetes erecta

African-Spinach

Amaranthus cruentus

Ailanthus

Ailanthus altissima

Akulikuli-Kula

Portulaca oleracea

Alberta Spruce

Picea glauca

Alexandrine Parakeet

Psittacula eupatria

Algerian Oat

Avena byzantina

Amarelle Cherry

Prunus cerasus

American Arbor-Vitae

Thuja occidentalis

American Black Nightshade

Solanum americanum

American Blue Crab

Callinectes sapidus

American Buffalo Treehopper

Stictocephala bisonia

American Catalpa

Catalpa bignonioides

American Comb Jelly

Mnemiopsis leidyi

American Cupped Oyster

Crassostrea virginica

American Fox Sedge

Carex vulpinoidea

American Ivy

Parthenocissus quinquefolia

American Pokeweed

Phytolacca americana

American Pumpkin

Cucurbita pepo

American Savin

Juniperus horizontalis

American Trumpet Vine

Campsis radicans

American White Moth

Hyphantria cunea

American Wormseed

Dysphania ambrosioides

Amphipod

Caprella scaura

ampulle bubble

Bulla ampulla

Angel'S Trumpet

Datura innoxia

Angel's-wings

Opuntia microdasys

Angled Burr Cucumber

Sicyos angulatus

Annual Cosmos

Cosmos bipinnatus

Annual Fleabane

Erigeron annuus

Annual Mugwort

Artemisia annua

Annual Ragweed

Ambrosia artemisiifolia

Annual Sunflower

Helianthus annuus

Annual Toadflax

Linaria incarnata

Apricot

Prunus armeniaca

Arabian cotton

Gossypium herbaceum

Argentine fleabane

Erigeron bonariensis

arizona-cypress

Cupressus arizonica

Arrow bamboo

Pseudosasa japonica

Artemisia

Artemisia vulgaris

Ascidian

Symplegma brakenhielmi

Asian copperleaf

Acalypha australis

Asian Lady Beetle

Harmonia axyridis

Asian Longhorned Beetle

Anoplophora glabripennis

Asian Pony'S-Foot

Dichondra micrantha

Asian rapa whelk

Rapana venosa

Asian Tiger Mosquito

Aedes albopictus

Asian waterwort

Elatine ambigua

Asiatic Dayflower

Commelina communis

Asiatic tearthumb

Persicaria perfoliata