United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Near Threatened

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Swamp Fly Honeysuckle

Lonicera oblongifolia

Swamp Loosestrife

Lysimachia thyrsiflora

Near Threatened

Swampmahogany

Eucalyptus robusta

Near Threatened

Swamp Milkweed Leaf Beetle

Labidomera clivicollis

Swamp morning-glory

Ipomoea aquatica

Swamp Sparrow

Melospiza georgiana

Swamp Spreadwing

Lestes vigilax

Swamp White Oak

Quercus bicolor

Swarming Spine

Mucronella calva

Sweat Bee

Lasioglossum leucozonium

Swedish pouchwort

Calypogeia suecica

Sweet acacia

Vachellia farnesiana

Sweet-amber

Hypericum androsaemum

Sweet bay

Laurus nobilis

Sweet Bedstraw

Galium odoratum

Sweet cherry

Prunus avium

Sweetclover

Melilotus officinalis

sweetclover aphid

Therioaphis riehmi

Sweet crab apple

Malus coronaria

Sweetfern

Comptonia peregrina

Sweetflag Spreadwing

Lestes forcipatus

Sweet granadilla

Passiflora ligularis

Sweetgrass Hydnellum

Hydnellum suaveolens

Extinct

Sweet iris

Iris pallida

Sweet marjoram

Origanum majorana

Sweet-nancy

Achillea ageratum

Sweet orange scab

Elsinoe australis

Sweet Pea

Lathyrus odoratus

Sweetpotato

Ipomoea batatas

Sweetpotato cactus

Cereus repandus

Sweetpotato whitefly

Bemisia tabaci

Sweetscented marigold

Tagetes lucida

Sweetsultan

Amberboa moschata

Swift River Cruiser

Macromia illinoiensis

swollen dogtooth moss

Cynodontium strumiferum

Swollen fingergrass

Chloris barbata

Swordfern

Macrothelypteris torresiana

Sycamore Lace Bug

Corythucha ciliata

Sydney bluegum

Eucalyptus saligna

Sydney golden wattle

Acacia longifolia

Syrian beancaper

Zygophyllum fabago

Syrian mustard

Euclidium syriacum

Syrphid fly

Anasimyia lunulatus

Extinct

Tachinid fly

Ocytata pallipes

Tachinid fly

Pseudogonia rufifrons

Tachinid fly

Linnaemya picta

Tachinid fly

Meigenia mutabilis

Tachinid fly

Hemyda vittata

Tachinid fly

Compsilura concinnata

Tachinid fly

Cyzenis albicans

Tacked Milkcap

Lactarius trivialis

Tahitian gooseberry tree

Phyllanthus acidus

Taiga Bluet

Coenagrion resolutum

taiga ragged moss

Brachythecium erythrorrhizon

Taiwanese photinia

Photinia serratifolia

Taiwan flowering cherry

Prunus campanulata

Tall albizia

Albizia procera

tall anomodon

Anomodon viticulosus

Tall Aster

Symphyotrichum praealtum

Tall Beakrush

Rhynchospora macrostachya