United States

Assyrian plum

Cordia myxa

Asterisk Lichen

Arthonia radiata

Aster-Like Boltonia

Boltonia asteroides

Asteromyia Gall Midge Fungus

Botryosphaeria dothidea

Athallia vitellinula

Belgian Endive

Cichorium intybus

Bell-Bean

Vicia faba

bell hydroid

Obelia geniculata

Bellorita

Erigeron bellioides

Bellyache bush

Jatropha gossypiifolia

Belted Kingfisher

Megaceryle alcyon

Belted Whiteface

Leucorrhinia proxima

Belvedere

Bassia scoparia

Bembidion beetle

Bembidion nigropiceum

Bending Bittercress

Cardamine flexuosa

Bending Wayfaring Tree

Viburnum lantana

Bengal Gram

Cicer arietinum

Bengal trumpet

Thunbergia grandiflora

Berchtold'S Pondweed

Potamogeton berchtoldii

Bergamot Mint

Mentha aquatica

Berkeley'S Polypore

Bondarzewia berkeleyi

Bermuda buttercup

Oxalis pes-caprae

bermuda cedar scale

Carulaspis minima

Bermudagrass

Cynodon dactylon

Bermuda Thistle

Argemone mexicana

Berry Fern

Cystopteris bulbifera

Bethlehem Lungwort

Pulmonaria saccharata

Beth Root

Trillium erectum

Betony

Pedicularis canadensis

Big quakinggrass

Briza maxima

Big-Seed False Flax

Camelina sativa

Big-Seed Goosefoot

Chenopodiastrum simplex

Big Smoky Bracket

Bjerkandera fumosa

Big-Sting Nettle

Urtica dioica

Big-Toothed Aspen

Populus grandidentata

Billion-Dollar Grass

Echinochloa frumentacea

Bilobed grewia

Grewia biloba

Biltmore Hawthorn

Crataegus intricata

Bine

Humulus lupulus

Biocular Leech

Helobdella stagnalis

Birch Conch

Thyraylia nana

Birch Epinotia Moth

Epinotia trigonella

Birch Jelly

Exidia repanda

Birch Knight

Tricholoma fulvum

Birch Leafroller Moth

Epinotia solandriana

Birch Mazegill

Lenzites betulinus

Birch Polypore

Fomitopsis betulina

Birch Woodwart

Jackrogersella multiformis

Birdbill Dayflower

Commelina diffusa

Birdeye speedwell

Veronica persica

Bird flea

Ceratophyllus zhovtyi

Bird-In-A-Bush

Corydalis solida

Bird Nest Moth

Monopis crocicapitella

Bird'S-Eye Gilia

Gilia tricolor

Bird'S-Eye Pearlwort

Sagina procumbens

Bird'S-Eye Primrose

Primula mistassinica

Bird'S Foot Trefoil

Lotus corniculatus

Bird Vetch

Vicia cracca

birthwort

Aristolochia clematitis

Bewick's Wren

Thryomanes bewickii