Common Name

Scientific Name

Common Name

Scientific Name

Baby blue-eyes

Nemophila menziesii

Black hawthorn

Crataegus douglasii

Baby's breath

Gypsophila paniculata

Black Hills spruce

Picea glauca

Bachelor's button

Centaurea cyanus

Black locust

Robinia pseudoacacia

Bacteria: acne pathogen

Propionibacterium acnes

Black mangrove

Avicennia nitida

Bacteria: agrobacterium

Agrobacterium tumefaciens

Black oak

Quercus velutina

Bacteria: appendaged

Caulobacter crescentus

Black raspberry

Rubus occidentalis

Bacteria: cyanobacterium

Anabaena cylindrica

Black spruce

Picea mariana

Bacteria: extreme

Halobacterium halobium

Black stem rust

Puccinia graminis

Bacteria: gliding

Cytophaga hutchinsonii

Black tupelo

Nyssa sylvatica

Bacteria: iron

Thiobacillus ferrooxidans

Black walnut

Juglans nigra

Bacteria: lactic acid

Lactobacillus spp.

Black willow

Salix nigra

Bacteria: leprosy pathogen

Mycobacterium leprae

Blackberry

Rubus spp.

Bacteria: purple nonsulfur

Rhodospirillum rubrum

Blackfoot daisy

Melampodium leucanthum

Bacteria: sulfur

Desulfovibrio spp.

Blackjack oak

Quercus marilandica

Bakers' yeast

Saccharomyces cerevisiae

Blanket flower

Gaillardia pulchella

Bald cypress

Taxodium distichum

Blazing star

Mentzelia decapetala

Balloon flower

Platycodon grandiflorus

Bleeding heart

Dicentra spectabilis

Balsa

Ochroma pyrmidale

Blight, potato

Phytophthora infestans

Banana

Musa x paradisiaca

Bloodleaf

Iresine herbstii

Banana, finger

Musa acuminata

Bloodroot

Sanguinaria canadensis

Baobab

Adansonia digitata

Blue-eyed grass

Sisyrinchium bellum

Barberry, common

Berberis vulgaris

Blue grass, Kentucky

Poa pratensis

Basswood, American

Tilia americana

Blue spruce

Picea pungens

Bay laurel

Laurus nobilis

Blue thimble flower

Gilia capitata

Bdellovibrio

Bdellovibrio bacteriovorus

Blueberry, highbush

Vaccinium corymbosum

Bean, castor

Ricinus communis

Blueberry, lowbush

Vaccinium angustifolium

Bean, fava

Viciafaba

Bluebonnet

Lupinus texensis

Bean, kidney

Phaseolus vulgaris

Bolete, king

Boletus edulis

Bean, lima

Phaseolus lunatus

Boston fern

Nephrolepis exaltata

Bean, mung

Vigna radiata

Botulism pathogen

Clostridium botulinum

Bean, scarlet runner

Phaseolus coccineus

Bougainvillea

Bougainvillea spectabilis

Bean, string

Phaseolus vulgaris

Box elder

Acer negundo

Bearberry

Arctostaphylos uva-ursi

Bracken fern

Pteridium aquilinum

Beard tongues

Penstemon spp.

Brazil nut

Bertholletia excelsa

Beautyberry American

Callicarpa americana

Breadfruit

Artocarpus altilis

Bedstraw

Galium aparine

Brewers' yeast

Saccharomyces cerevisiae

Beech, American

Fagus grandifolia

Bristlecone pine

Pinus aristata

Beech, European

Fagus sylvatica

British soldiers

Cladonia cristatella

Beet

Beta vulgaris

Broccoli

Brassica oleracea

Beet, sugar

Beta vulgaris

Broom, Scotch

Cytisus scoparius

Begonia, smooth-leaf

Begonia semperflorens

Broomrape

Orobanche spp.

Begonia, tuberous

Begonia tuberhybrida

Broomweed

Gutierrezia dracunculoides

Belladonna lily

Amaryllis belladonna

Brown algae

Elachista spp.

Bells of Ireland

Moluccella laevis

Brown algae

Laminaria spp.

Bent grass, creeping

Agrostis stolonifera

Brown algae

Padina spp.

Betel

Piper betel

Brown algae

Streblonema spp.

Betel nut palm

Areca catechu

Brown rot pathogen

Monilinia fructicola

Big laurel

Rhododendron maximum

Brussels sprouts

Brassica oleracea

Big sagebrush

Artemisia tridentata

Buckeye, Ohio

Aesculus glabra

Bigleaf maple

Acer macrophyllum

Buckthorn, Carolina

Rhamnus caroliniana

Birch, paper

Betula papyrifiera

Buckthorn, cascara

Rhamnus purshiana

Birch, river

Betula nigra

Buckwheat

Fagopyrum esculentum

Birch, yellow

Betula alleghaniensis

Buddhist pine

Podocarpus macrophyllus

Birch rust

Melampsoridium betulinum

Buffalo grass

Buchloe dactyloides

Bird of paradise

Caesalpinia gilliesii

Bull kelp

Nereocystis leutkeana

Bird of paradise

Strelitzia reginae

Bull thistle

Cirsium vulgare

Bird's eyes

Gilia tricolor

Bulrush, low

Scirpus cernuus

Bird's foot violet

Viola pedata

Bunt fungus

Tilletia caries

Bird's-nest fern

Asplenium nidus-avis

Bur oak

Quercus marcocarpa

Bird's-nest fungus

Crucibulum laeve

Burmuda grass

Cynodon dactylon

Bitternut hickory

Carya cordiformis

Butterfly bush

Buddleja davidii

Bitterroot

Lewisia rediviva

Butterfly weed

Asclepias tuberosa

Black bread mold

Rhizopus stolonifer

Buttonbush, common

Cephalanthus occidentalis

Black cherry

Prunus serotina

Black-eyed pea

Vigna unguiculata

Black cottonwood

Populus trichocarpa

Black-eyed Susan

Rudbeckia hirta

Black currant

Ribes nigrum

Black-eyed Susan vine

Thunbergia alata