United States

agróstide blanca

Agrostis gigantea

agróstide común

Agrostis capillaris

Águila cabeza blanca

Haliaeetus leucocephalus

Águila real

Aquila chrysaetos

Near Threatened

Alistonia

Alstonia scholaris

Alondra Común

Alauda arvensis

Vulnerable

Amazona Coroniamarilla

Amazona ochrocephala

All Species in United States

Barred White Clothes

Nemapogon clematella

Basketgrass

Oplismenus hirtellus

Basket Oak

Quercus michauxii

Basket Willow

Salix petiolaris

Basswood thrip

Thrips calcaratus

Bastard Alkanet

Buglossoides arvensis

Bastard Cress

Thlaspi arvense

Bastard Cress

Lepidium campestre

Bastard Helleborine

Epipactis helleborine

Bastard Nodding Thistle

Carduus acanthoides

Near Threatened

Bathroom Moth Fly

Clogmia albipunctatus

Bats In The Belfry

Campanula trachelium

bay barnacle

Amphibalanus improvisus

Bay Biscayne creeping-oxeye

Sphagneticola trilobata

Bayer's emerald bottle fly

Bellardia bayeri

Bayonet Rush

Juncus militaris

Bayou Violet

Viola sororia

Bay Polypore

Picipes badius

Beach Dropseed

Sporobolus virginicus

Beach-Heath

Hudsonia tomentosa

Beach moonflower

Ipomoea violacea

Beach spiderlily

Hymenocallis littoralis

Beach Sunflower

Helianthus debilis

Beach Wormwood

Artemisia stelleriana

Extinct

Beaded Rosette Lichen

Physcia tribacia

beaked bow moss

Dicranodontium denudatum

Beaked Iris

Iris ensata

Beaked Sedge

Carex rostrata

Beaked Sedge

Carex utriculata

Beak Willow

Salix bebbiana

Beanpodded Mustard

Chorispora tenella

Bean root aphid

Smynthurodes betae

Beanweed

Scytosiphon lomentaria

bearberry cotoneaster

Cotoneaster dammeri

bearded pawwort

Barbilophozia barbata

Bearded Seamine

Ripartites tricholoma

Bearded Shorthusk

Brachyelytrum erectum

Beardless rabbitsfoot grass

Polypogon viridis

Beardsley leafhopper

Balclutha saltuella

Beautiful Blistered Jelly Lichen

Collema pulcellum

beautiful grass snail

Vallonia pulchella

Vulnerable

beautiful peat moss

Sphagnum pulchrum

Beautiful Sandwort

Sabulina rubella

Near Threatened

Beaver-Poison

Cicuta maculata

Beaverpond Clubtail

Phanogomphus borealis

Beaver-Root

Nuphar variegata

Bebb Sedge

Carex bebbii

Beck'S Beggarticks

Bidens beckii

Bedstraw

Galium tinctorium

Bedstraw

Galium pomeranicum

Beech Bark Canker

Neonectria faginata

Beech bark disease

Neonectria coccinea

beech coccus

Cryptococcus fagisuga

Beechdrops

Epifagus virginiana

Beech Fern

Phegopteris connectilis

Beech Jelly-Disc

Neobulgaria pura

Beechleaf Bonnet

Mycena capillaris

Beech Midget

Phyllonorycter maestingella

Beech Mushroom

Hypsizygus tessulatus

Data Deficient

Beech Wood Sedge

Carex laxiflora