United States

Brown algae

Colpomenia peregrina

Brown American Star-Footed Amanita

Amanita brunnescens

brown-banded cockroach

Supella longipalpa

Brown Beak-Sedge

Rhynchospora fusca

Brownbeard rice

Oryza rufipogon

Brown Beetle Grass

Diplachne fusca

Brown-Belted Bumble Bee

Bombus griseocollis

Brown Cobblestone Lichen

Acarospora fuscata

brown cow-hair moss

Ditrichum pusillum

Brown-dotted clothes moth

Niditinea fuscella

Browned Sedge

Carex adusta

Browne's blechum

Ruellia blechum

Brown-Eyed Coneflower

Rudbeckia triloba

Brown flatsedge

Cyperus fuscus

Brown Funnel Polypore

Coltricia perennis

Brown-Headed Fox Sedge

Carex alopecoidea

Brown house moth

Hofmannophila pseudospretella

Brownish Chroogomphus

Chroogomphus rutilus

Brownish Monk'S-Hood Lichen

Hypogymnia vittata

Brown Knapweed

Centaurea jacea

Brown Leaf Weevil

Phyllobius oblongus

Brown mustard

Brassica juncea

brown peat moss

Sphagnum fuscum

Brown Pine Lacewing

Hemerobius stigma

Brown Rim-Lichen

Lecanora chlarotera

Brown Roll Rim

Paxillus involutus

Burred Horsehair Lichen

Bryoria furcellata

Burrower bug

Microporus nigrita

Burvine

Verbena urticifolia

Bush Grass

Calamagrostis epigejos

Bush Hawthorn

Crataegus crus-galli

Bush-Honeysuckle

Diervilla lonicera

Bush'S Sedge

Carex bushii

Bush Vetch

Vicia sepium

Bushy Aster

Symphyotrichum dumosum

Bushy Mint

Mentha gracilis

Bushy yate

Eucalyptus lehmannii

Butter And Eggs

Linaria vulgaris

Buttercup

Narcissus pseudonarcissus

Butterfly Jelly Lichen

Collema flaccidum

Butterfly tree

Bauhinia purpurea

Butter-Foot Bolete

Boletus auripes

Butternut

Juglans cinerea

Butternut Canker

Ophiognomonia clavigignenti-juglandacearum

Butterweed

Erigeron canadensis

Button Sedge

Carex bullata

Buttonweed

Malva neglecta

Byssocorticium atrovirens

Bulbous Oatgrass

Arrhenatherum elatius

Bulbous Rush

Juncus bulbosus

Bullace Plum

Prunus domestica

Bullhorned Dung Beetle

Onthophagus taurus

Bullnut

Trapa natans

Bull's eye

Euryops chrysanthemoides

Bulrush Cosmet

Limnaecia phragmitella

Bumelia

Sideroxylon persimile

Bumpy Rim-Lichen

Lecanora hybocarpa

Burclover

Medicago polymorpha

Bur-daisy

Calotis cuneifolia

Burdock Neb

Metzneria lappella