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

Tunicate

Ascidia zara

Turkey berry

Solanum torvum

Turkey-Tail

Trametes versicolor

Turkey tangle fogfruit

Phyla nodiflora

Turkey Vulture

Cathartes aura

Turkish baby's-breath

Gypsophila pilosa

Turkish hawksbeard

Crepis nicaeensis

Turkish pine

Pinus brutia

Turkish wartycabbage

Bunias orientalis

Turk's turbin

Clerodendrum indicum

Turmeric

Curcuma longa

Data Deficient

turnip aphid

Lipaphis pseudobrassicae

Turnip flea beetle

Phyllotreta undulata

Turpentine tree

Syncarpia glomulifera

turps pouchwort

Geocalyx graveolens

Turquoise Bluet

Enallagma divagans

Turtleweed

Batis maritima

Tusilla

Dorstenia contrajerva

Tussock bellflower

Campanula carpatica

Tussock dropseed

Sporobolus diandrus

Tussock paspalum

Paspalum quadrifarium

Twelve-spotted Skimmer

Libellula pulchella

Twining bluehood

Oxyrhynchus volubilis

Twin-spotted Spiketail

Cordulegaster maculata

Twisted Deceiver

Laccaria tortilis

twisted grimmia

Grimmia torquata

twisted peat moss

Sphagnum contortum

two-banded fungus beetle

Alphitophagus bifasciatus

Two-Barred Crossbill

Loxia leucoptera

Two-Colored Bolete

Baorangia bicolor

Two-Dotted Ant-Like Flower Beetle

Stricticollis tobias

Two-faced harp ground beetle

Amara bifrons

Near Threatened

Twoflower passionflower

Passiflora biflora

two-horned pincerwort

Cephalozia bicuspidata

Twolobe speedwell

Veronica biloba

Two-marked harp ground beetle

Anisodactylus binotatus

Twoscale saltbush

Atriplex micrantha

Two-Spotted Bumble Bee

Bombus bimaculatus

Two Spotted Carrion Beetle

Nitidula bipunctata

Two-spotted Cricket

Gryllus bimaculatus

Two-toothed pine beetle

Pityogenes bidentatus

Ugly Milk-Cap

Lactarius turpis

Uglynest caterpillar

Archips cerasivorana

Uhler's Sundragon

Helocordulia uhleri

Umbel clerodendrum

Clerodendrum umbellatum

Umber-Brown Puffball

Lycoperdon umbrinum

Data Deficient

Umber Dot Lichen

Scoliciosporum umbrinum

Umbilicate Hedgehog

Hydnum umbilicatum

Umbrella aphid

Aphis umbrella

Umbrella Polypore

Polyporus umbellatus

Unicorn Clubtail

Arigomphus villosipes

Uniola flatsedge

Cyperus unioloides

Upland Blackclock

Pterostichus adstrictus

Upland cotton

Gossypium hirsutum

Upland Sandpiper

Bartramia longicauda

Upright Brown Grimmia

Schistidium strictum

Upright chickweed

Moenchia erecta

Critically Endangered

Upright Coral

Ramaria stricta

Upright Mignonette

Reseda alba

Upright spurge

Euphorbia stricta