Brazil

African signalgrass

Urochloa arrecta

African-Spinach

Amaranthus cruentus

African tuliptree

Spathodea campanulata

Agrimony Rust

Pucciniastrum agrimoniae

Agrocybe cylindrica

Airplant

Tillandsia polystachia

Airplant

Tillandsia gardneri

Akashiwo sanguinea

akee

Blighia sapida

Akulikuli-Kula

Portulaca oleracea

Aleppo Grass

Sorghum halepense

Alexander palm

Ptychosperma elegans

Alexandra palm

Archontophoenix alexandrae

Alexandrian laurel

Calophyllum inophyllum

Alexandrium tamarense

Alfalfa

Medicago sativa

Algirosphaera oryza

Algirosphaera robusta

Allheal

Valeriana officinalis

Alligatorweed

Alternanthera philoxeroides

Allspice

Pimenta dioica

alpine-ash

Eucalyptus delegatensis

Alpine Bloodspot Lichen

Ophioparma ventosa

Alpine Strawberry

Fragaria vesca

Alpine Thread-Leaved Pondweed

Stuckenia filiformis

Alternaria alternata

Alternaria brassicae

Alutaceodontia alutacea

Amazonvine

Stigmaphyllon ciliatum

Ambay pumpwood

Cecropia pachystachya

ambiguous long-necked moss

Trematodon ambiguus

American Black Elderberry

Sambucus canadensis

American Black Nightshade

Solanum americanum

American Blueberry

Vaccinium corymbosum

American Burnweed

Erechtites hieraciifolius

American carpet grass

Axonopus compressus

American Cress

Barbarea verna

American Cupped Oyster

Crassostrea virginica

American evergreen

Syngonium podophyllum

American Great Bulrush

Schoenoplectus tabernaemontani

American Muskwood

Guarea guidonia

American oil palm

Elaeis oleifera

American Plane

Platanus occidentalis

American Pumpkin

Cucurbita pepo

American Red Raspberry

Rubus idaeus

American Royal Fern

Osmunda spectabilis

American Savin

Juniperus horizontalis

American Seguieria

Seguieria americana

American Storax

Liquidambar styraciflua

American Tickseed

Coreopsis grandiflora

American Walnut

Juglans nigra

American Water-Lily

Nymphaea odorata

American Wormseed

Dysphania ambrosioides

Amphipleura pellucida

Amphiprora gigantea

Amphora commutata

Amphora laevis

Amphora ovalis

Amphora proteus

Andean Water Milfoil

Myriophyllum quitense