United States

Blue Jellyskin

Leptogium cyanescens

Blue leadwood

Ceratostigma plumbaginoides

Blue marble tree

Elaeocarpus angustifolius

Blue Meadow Violet

Viola nephrophylla

Blue Pouchwort

Calypogeia azurea

Blue rattlesnake

Crotalaria verrucosa

Blue Roundhead

Stropharia caerulea

Blue Sedge

Carex flacca

Blue Spot Knight

Tricholoma columbetta

Blue Spurge

Euphorbia myrsinites

Blue umbrella-sedge

Fuirena coerulescens

Bluewings

Torenia fournieri

Blue woodruff

Asperula arvensis

Blunt Bog Orchid

Platanthera obtusata

blunt-bud nodding moss

Pohlia bulbifera

Blunt-Leaf Grove-Sandwort

Moehringia lateriflora

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 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 Wood Mushroom

Agaricus sylvaticus

Bolander'S Water-Starwort

Callitriche heterophylla

Bold Jumper

Phidippus audax

Bolivian fuchsia

Fuchsia boliviana

Boneset

Eupatorium perfoliatum

Boneset Map Lichen

Rhizocarpon eupetraeum

Bonfire Inkcap

Coprinopsis jonesii

Bonjean's broom moss

Dicranum bonjeanii

Book louse

Liposcelis pearmani

Book louse

Liposcelis corrodens

Book louse

Liposcelis entomophila

Bordered Ermel

Ethmia bipunctella

bordered leafy moss

Mnium marginatum

Border Privet

Ligustrum obtusifolium

Boreal Beard Lichen

Usnea subfloridana

Boreal Bedstraw

Galium boreale

Boreal Button Lichen

Buellia disciformis

Boreal Chorus Frog

Pseudacris maculata

Boreal Starwort

Stellaria borealis

boreal top

Zoogenetes harpa

Boreal Tree Firedot

Caloplaca ahtii

Bostrichid beetle

Heterobostrychus hamatipennis

Botrydium granulatum

Botryobasidium isabellinum

Botryobasidium subcoronatum

Botryobasidium vagum

Bottlebrush

Sanguisorba canadensis

Bottlebrush Buckeye

Aesculus parviflora

Bottlebrush Frost Lichen

Physconia detersa

Bottlebrush Sedge

Carex lurida

Bottlebrush Sedge

Carex hystericina

Bottle Brush Shield Lichen

Parmelia squarrosa

Bowerbank's halichondria

Halichondria bowerbanki