United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Blue Plantain Lily

Hosta ventricosa

Blue Polypore

Neoalbatrellus caeruleoporus

Blue potatobush

Lycianthes rantonnetii

Blue Pouchwort

Calypogeia azurea

Critically Endangered

Blue rattlesnake

Crotalaria verrucosa

Blue Ridge Blueberry

Vaccinium pallidum

Blue Roundhead

Stropharia caerulea

Blue-sage

Eranthemum pulchellum

Blue Sedge

Carex flacca

Blue Skullcap

Scutellaria lateriflora

Blue Spot Knight

Tricholoma columbetta

Blue-Spotted Salamander

Ambystoma laterale

Blue Spruce

Picea pungens

Blue Spurge

Euphorbia myrsinites

Blue Toadflax

Nuttallanthus canadensis

Blue umbrella-sedge

Fuirena coerulescens

Blue-winged Teal

Spatula discors

Blue-Winged Warbler

Vermivora cyanoptera

Bluewings

Torenia fournieri

Blue woodruff

Asperula arvensis

Bluish Borer Beetle

Agrilus cyanescens

Data Deficient

Blunt Bog Orchid

Platanthera obtusata

Endangered

blunt-bud nodding moss

Pohlia bulbifera

Bluntflower rush

Juncus subnodulosus

Blunt-Leaf Grove-Sandwort

Moehringia lateriflora

Blunt-Leaf Tufa-Moss

Gymnostomum calcareum

Endangered

Blunt-Leaf Waterleaf

Hydrophyllum canadense

Blunt-Leaved Bedstraw

Galium obtusum

Blunt-Leaved Bog-Moss

Sphagnum palustre

Blunt-Leaved Pondweed

Potamogeton obtusifolius

Blunt-Leaved Rabbit-Tobacco

Pseudognaphalium obtusifolium

Blunt-Lobed Grapefern

Sceptridium oneidense

blunt nodding moss

Pohlia obtusifolia

Blunt Pincerwort

Fuscocephaloziopsis pleniceps

Blunt Spikerush

Eleocharis obtusa

Blunt Spurge

Euphorbia spathulata

Blunt Sweet Cicely

Osmorhiza depauperata

Blusher

Amanita rubescens

Blushing Beard Truffle

Rhizopogon roseolus

Data Deficient

Blushing Bolete

Leccinum scabrum

Blushing Bracket

Daedaleopsis confragosa

Blushing Rockcress

Arabis pycnocarpa

Blushing Rosette

Abortiporus biennis

Blushing Wood Mushroom

Agaricus sylvaticus

Board Lichen

Trapeliopsis flexuosa

Boar Thistle

Cirsium arvense

Boatlily

Tradescantia spathacea

bobcat

Lynx rufus

Bobolink

Dolichonyx oryzivorus

Bobwhite

Colinus virginianus

Boccone's sandspurry

Spergularia bocconei

Bodhi tree

Ficus religiosa

Body louse

Pediculus humanus

bog apple moss

Philonotis marchica

Bog Arum

Calla palustris

Bog Aster

Oclemena nemoralis

Bog Aster

Symphyotrichum puniceum

Bog Beacon

Mitrula paludosa

Bog Bedstraw

Galium labradoricum

Bog Bell

Galerina paludosa