United States

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

Bullhorned Dung Beetle

Onthophagus taurus

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

Bur Marigold

Bidens laevis

Burmese fishtail palm

Caryota mitis

Burning Bush

Euonymus alatus

Burningbush

Dictamnus albus

brown slug

Deroceras laeve

Brown-Toed Forest Fly

Xylota segnis

Browntop millet

Urochloa ramosa

Brown Widow

Latrodectus geometricus

Brussels riverbank ground beetle

Bembidion bruxellense

Bryobacter aggregatus

Bryoria capillaris

Bryoria implexa

Bryozoan

Watersipora subtorquata

Buck Brush

Symphoricarpos orbiculatus

Buckhorn plantain

Plantago coronopus

Buckwheat

Fagopyrum esculentum

Buddha's hand

Alocasia cucullata

Bud Moth

Spilonota ocellana

Buellia griseovirens

Buffalo Currant

Ribes aureum

Buffalo Spinach

Enydra fluctuans

Buffelgrass

Cenchrus ciliaris

Buff-Tipped Marble

Hedya ochroleucana

Bugleweed

Lycopus europaeus

Bugleweed

Lycopus uniflorus