United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Ajuga

Ajuga reptans

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Stiff Dogwood

Cornus foemina

stiff saltmarsh-grass

Puccinellia rupestris

Stiff Tar-Spot Lichen

Placynthiella icmalea

Stilt bug

Berytinus minor

Stilt Sandpiper

Calidris himantopus

stink aster

Dittrichia graveolens

Stink bug

Piezodorus lituratus

Stink Fly

Coenomyia ferruginea

Stinkgrass

Eragrostis cilianensis

Stinking chamomile

Anthemis cotula

Stinking Dapperling

Lepiota cristata

Stinking Earthfan

Thelephora palmata

stinking goosefoot

Chenopodium vulvaria

Critically Endangered

Stinking Hawk's-beard

Crepis foetida

stinking hellebore

Helleborus foetidus

Stinking iris

Iris foetidissima

Stinking willie

Jacobaea vulgaris

Stinkvine

Paederia foetida

Stinky Squid

Pseudocolus fusiformis

stipular flapwort

Harpanthus scutatus

St. John's bread

Ceratonia siliqua

St. John's wort root borer

Agrilus hyperici

St Lucie Cherry

Prunus mahaleb

Stoat, Ermine

Mustela erminea

Stocking Webcap

Cortinarius torvus

Stolon-Bearing Hawthorn

Crataegus iracunda

Stonewall Rim Lichen

Protoparmeliopsis muralis

Stool iris

Iris aphylla

Stored grain hairy fungus beetle

Litargus balteatus

Storehousebush

Maclura tricuspidata

Stout Wood Reed

Cinna arundinacea

Straggler daisy

Calyptocarpus vialis

Straight-Stalked Entoloma

Entoloma strictius

Strapwort

Corrigiola litoralis

Straw Beard Lichen

Usnea scabrata

Strawberry cinquefoil

Potentilla fragiformis

strawberry clover

Trifolium fragiferum

Strawberry guava

Psidium cattleianum

Strawberry Harp Ground Beetle

Harpalus rufipes

Strawberry raspberry

Rubus illecebrosus

Strawberry root weevil

Otiorhynchus ovatus

Strawberry Root Weevil

Sciaphilus asperatus

Strawberry Tomato

Physalis pruinosa

Strawberry tortrix

Acleris comariana

Strawberry tree

Arbutus unedo

Strawberrytree

Muntingia calabura

Straw Club

Clavaria flavipes

straw moss

Straminergon stramineum

Streambank bulrush

Schoenoplectus triqueter

Critically Endangered

Stream Beacon

Vibrissea truncorum

Stream Bluet

Enallagma exsulans

Stream Cruiser

Didymops transversa

streamside peat moss

Sphagnum riparium

Striated Fingernailclam

Sphaerium striatinum

Striate Earthstar

Geastrum striatum

Striate knotweed

Polygonum achoreum

Striate peaclam

Pisidium punctiferum

Striped Acorn Barnacle

Amphibalanus amphitrite

Striped Alder Sawfly

Hemichroa crocea

Striped Barbados lily

Hippeastrum striatum