All Species

American Savin

Juniperus horizontalis

American Sea Rocket

Cakile edentula

American Seaside Thift

Limonium carolinianum

American Seguieria

Seguieria americana

American Senna

Senna marilandica

American Shield Fern

Dryopteris intermedia

American Shoreweed

Littorella uniflora

American skunk cabbage

Lysichiton americanus

American Slipper Limpet

Crepidula fornicata

American snowbell

Styrax americanus

American Spikenard

Aralia racemosa

American Spurred Gentian

Halenia deflexa

American Storax

Liquidambar styraciflua

American Tar Spot

Rhytisma americanum

American Tearthumb

Persicaria sagittata

American Tickseed

Coreopsis grandiflora

American Toad

Anaxyrus americanus

American Twinflower

Linnaea borealis

American Wainscot

Mythimna unipuncta

American Wall Fern

Polypodium virginianum

American Water-Lily

Nymphaea odorata

American Water-Milfoil

Myriophyllum sibiricum

American Waterwort

Elatine americana

American White Moth

Hyphantria cunea

American Willowherb

Epilobium ciliatum

American Wintercress

Barbarea orthoceras

American Witch-Hazel

Hamamelis virginiana

American Wood-Sorrel

Oxalis montana

American Yew

Taxus canadensis

Amethyst Aster

Symphyotrichum amethystinum

Amethyst Chanterelle

Cantharellus amethysteus

Amethyst Deceiver

Laccaria amethystina

Amethyst Disco

Smardaea amethystina

Amethyst Meadow Squill

Scilla litardierei

Aminobacter aminovorans

Aminobacter ciceronei