There are 145 herbs that start with the letter B, from Balm to Burnet. Below you will find them listed alphabetically along with some general information about each. Click the toggle view buttons in the top right corner to switch between the card and the table view.
For each item you will find the following information
Order: The subclass the herbs belongs to
Habitat: The places or type of weather the herbs lives in
Scientific name: The designation that scientists use to catalog the species
Name: Balm
Order: Lamiales
Habitat: Native to southern Europe and the Mediterranean region
Scientific name: Melissa officinalis
Name: Balm of Gilead
Order: Lamiales
Habitat: Native to the Canary Islands
Scientific name: Cedronella canariensis
Name: Balmony
Order: Lamiales
Habitat: Native to eastern North America
Scientific name: Chelone glabra
Name: Baneberry
Order: Ranunculales
Habitat: North America
Scientific name: Actaea rubra
Name: Baptisia
Order: Fabales
Habitat: Native to eastern and central North America
Scientific name: Baptisia spp.
Name: Barberry
Order: Ranunculales
Habitat: Temperate regions, Europe, North Africa, Asia
Scientific name: Berberis vulgaris
Name: Barberry Vine
Order: Ranunculales
Habitat: Native to western North America and eastern Asia
Scientific name: Mahonia spp.
Name: Barley
Order: Poales
Habitat: Worldwide cultivation
Scientific name: Hordeum vulgare
Name: Barrenwort
Order: Ranunculales
Habitat: Asia
Scientific name: Epimedium spp.
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Name: Barrenwort(Epimedium)
Order: Perennial
Habitat: Woodlands
Scientific name: Epimedium spp.
Name: Barringtonia
Order: Myrtales
Habitat: Tropical forests
Scientific name: Barringtonia spp.
Name: Basham's Wild Ginger
Order: Perennial
Habitat: Woodlands
Scientific name: Asarum canadense var. reflexum
Name: Basil
Order: Lamiales
Habitat: Native to tropical regions of Asia, cultivated worldwide
Scientific name: Ocimum basilicum
Name: Basketflower
Order: Asterales
Habitat: Meadows and prairies
Scientific name: Plectocephalus americanus
Name: Bastard Cabbage
Order: Brassicales
Habitat: Europe and Asia
Scientific name: Rapistrum rugosum
Name: Bastard Pennyroyal
Order: Lamiales
Habitat: Eastern North America
Scientific name: Trichostema brachiatum
Name: Bastard Toadflax
Order: Perennial
Habitat: Grasslands
Scientific name: Comandra umbellata
Name: Bay Bolete
Order: Boletales
Habitat: Temperate forests, Europe, North America
Scientific name: Boletus edulis
Name: Bay Laurel
Order: Laurales
Habitat: Native to the Mediterranean region, cultivated worldwide
Scientific name: Laurus nobilis
Name: Bay Rum Tree
Order: Myrtales
Habitat: Coastal regions of the Caribbean
Scientific name: Pimenta racemosa
Name: Bayberry
Order: Myricales
Habitat: North America
Scientific name: Morella cerifera
Name: Baylet
Order: Asterales
Habitat: Native to the Americas
Scientific name: Baccharis spp.
Name: Bayou Bluebell
Order: Gentianales
Habitat: Central and Eastern US
Scientific name: Eustoma exaltatum
Name: Bayou Phlox
Order: Polemoniaceae
Habitat: Coastal wetlands
Scientific name: Phlox bifida
Name: Beach Pea
Order: Perennial
Habitat: Coastal
Scientific name: Lathyrus japonicus
Name: Beaked Hazelnut
Order: Shrub
Habitat: Woodlands
Scientific name: Corylus cornuta
Name: Bear's Foot
Order: Perennial
Habitat: Woodlands
Scientific name: Polymnia uvedalia
Name: Bearberry
Order: Ericales
Habitat: Northern Hemisphere
Scientific name: Arctostaphylos uva-ursi
Name: Bearberry Willow
Order: Malpighiales
Habitat: Native to northern North America and Eurasia
Scientific name: Salix uva-ursi
Name: Beardtongue
Order: Lamiales
Habitat: North America
Scientific name: Penstemon spp.
Name: Beargrass
Order: Asparagales
Habitat: Rocky outcrops and mountain meadows
Scientific name: Nolina spp.
Name: Bearsfoot
Order: Asterales
Habitat: Eastern US
Scientific name: Polymnia uvedalia
Name: Beaver Poison
Order: Apiales
Habitat: Native to North America
Scientific name: Cicuta maculata
Name: Bedstraw
Order: Perennial
Habitat: Meadows
Scientific name: Galium spp.
Name: Bee Balm
Order: Lamiales
Habitat: Native to North America
Scientific name: Monarda
Name: Bee Sage
Order: Perennial
Habitat: Deserts
Scientific name: Salvia apiana
Name: Bee Skep
Order: Perennial
Habitat: Meadows
Scientific name: Agastache nepetoides
Name: Beebrush
Order: Zygophyllales
Habitat: Southwestern North America
Scientific name: Simmondsia chinensis
Name: Beechdrops
Order: Santalales
Habitat: North America
Scientific name: Epifagus virginiana
Name: Beefsteak Fungus
Order: Polyporales
Habitat: Found in forests of Europe and North America
Scientific name: Fistulina hepatica
Name: Beefsteak Plant
Order: Lamiales
Habitat: Asia, cultivated worldwide
Scientific name: Perilla frutescens
Name: Bees and Buttercups
Order: Ranunculales
Habitat: Temperate Northern Hemisphere
Scientific name: Trollius europaeus
Name: Beeweed
Order: Brassicales
Habitat: Dry open areas
Scientific name: Cleome viscosa
Name: Beewort
Order: Asterales
Habitat: Temperate regions, Europe, North America
Scientific name: Lycopus europaeus
Name: Beggar's Tick
Order: Asterales
Habitat: Worldwide
Scientific name: Bidens spp.
Name: Belladonna
Order: Solanales
Habitat: Native to temperate regions of Eurasia
Scientific name: Atropa belladonna
Name: Bellflower
Order: Asterales
Habitat: Meadows and woodland edges
Scientific name: Campanula spp.
Name: Bengal Quince
Order: Sapindales
Habitat: South Asia
Scientific name: Aegle marmelos
Name: Bent Grass
Order: Poales
Habitat: Worldwide
Scientific name: Agrostis spp.
Name: Benzoin
Order: Laurales
Habitat: Native to Southeast Asia
Scientific name: Styrax benzoin
Name: Bergamot
Order: Lamiales
Habitat: Native to southern Italy, cultivated worldwide
Scientific name: Citrus bergamia
Name: Bergenia
Order: Saxifragales
Habitat: Woodland and alpine regions
Scientific name: Bergenia spp.
Name: Bethlehem Sage
Order: Lamiales
Habitat: Native to Europe
Scientific name: Pulmonaria officinalis
Name: Bethroot
Order: Liliales
Habitat: Deciduous forests
Scientific name: Trillium spp.
Name: Betony
Order: Lamiales
Habitat: Europe, Asia, North Africa
Scientific name: Stachys officinalis
Name: Bhang
Order: Rosales
Habitat: Temperate regions, Asia, Africa, Americas
Scientific name: Cannabis sativa
Name: Bilberry
Order: Shrub
Habitat: Boreal Forests
Scientific name: Vaccinium myrtillus
Name: Bindweed
Order: Convolvulales
Habitat: Worldwide
Scientific name: Convolvulus spp.
Name: Biota
Order: Cupressales
Habitat: Native to eastern Asia
Scientific name: Biota orientalis
Name: Birchleaf Spirea
Order: Rosales
Habitat: Western US and Canada
Scientific name: Spiraea betulifolia
Name: Bird's Foot Trefoil
Order: Perennial
Habitat: Meadows
Scientific name: Lotus corniculatus
Name: Birdsfoot
Order: Fabales
Habitat: Europe and North Africa
Scientific name: Ornithopus spp.
Name: Birthroot
Order: Perennial
Habitat: Woodlands
Scientific name: Trillium sessile
Name: Birthwort
Order: Aristolochiales
Habitat: Native to temperate regions of the Northern Hemisphere
Scientific name: Aristolochia spp.
Name: Bishop's Cap
Order: Saxifragales
Habitat: Native to northern temperate regions
Scientific name: Mitella spp.
Name: Bishop's Goutweed
Order: Apiales
Habitat: Europe and Asia
Scientific name: Aegopodium podagraria
Name: Bishop's Weed
Order: Apiales
Habitat: Europe, North Africa, Asia
Scientific name: Ammi majus
Name: Bitter Almond
Order: Rosales
Habitat: Mediterranean region, Middle East
Scientific name: Prunus dulcis
Name: Bitter Cucumber
Order: Cucurbitales
Habitat: Arid regions of Africa and Asia
Scientific name: Citrullus colocynthis
Name: Bitter Melon
Order: Cucurbitales
Habitat: Native to Asia, Africa, and the Caribbean
Scientific name: Momordica charantia
Name: Bitter Nightshade
Order: Solanales
Habitat: Europe and Asia
Scientific name: Solanum dulcamara
Name: Bitterbloom
Order: Annual
Habitat: Meadows
Scientific name: Centaurium erythraea
Name: Bittercress
Order: Brassicales
Habitat: Moist shaded areas
Scientific name: Cardamine spp.
Name: Bittersweet
Order: Celastrales
Habitat: Eastern North America
Scientific name: Celastrus scandens
Name: Black Ash
Order: Lamiales
Habitat: Native to eastern North America
Scientific name: Fraxinus nigra
Name: Black Birch
Order: Fagales
Habitat: Native to eastern North America
Scientific name: Betula lenta
Name: Black Bugbane
Order: Ranunculales
Habitat: Eastern North America
Scientific name: Cimicifuga racemosa
Name: Black Canary
Order: Lamiales
Habitat: Native to southeastern Europe and western Asia
Scientific name: Phlomis tuberosa
Name: Black Chokeberry
Order: Rosales
Habitat: Eastern North America
Scientific name: Aronia melanocarpa
Name: Black Cohosh
Order: Perennial
Habitat: Woodlands
Scientific name: Actaea racemosa
Name: Black Cumin
Order: Annual
Habitat: Mediterranean
Scientific name: Nigella sativa
Name: Black Currant
Order: Saxifragales
Habitat: Northern Temperate Regions
Scientific name: Ribes nigrum
Name: Black Haw
Order: Dipsacales
Habitat: Eastern North America
Scientific name: Viburnum prunifolium
Name: Black Henbane
Order: Biennial
Habitat: Wasteland
Scientific name: Hyoscyamus niger
Name: Black Horehound
Order: Perennial
Habitat: Wasteland
Scientific name: Ballota nigra
Name: Black Huckleberry
Order: Ericales
Habitat: Eastern North America
Scientific name: Gaylussacia baccata
Name: Black Indian Hemp
Order: Apocynales
Habitat: North America
Scientific name: Apocynum cannabinum
Name: Black Medic
Order: Fabales
Habitat: Worldwide
Scientific name: Medicago lupulina
Name: Black Mustard
Order: Brassicales
Habitat: Eurasia
Scientific name: Brassica nigra
Name: Black Nightshade
Order: Solanales
Habitat: Cultivated and disturbed areas
Scientific name: Solanum nigrum
Name: Black Pepper
Order: Piperales
Habitat: Tropical regions
Scientific name: Piper nigrum
Name: Black Raspberry
Order: Rosales
Habitat: Eastern North America
Scientific name: Rubus occidentalis
Name: Black Sage
Order: Lamiales
Habitat: Southwestern United States, Mexico
Scientific name: Salvia mellifera
Name: Black Salsify
Order: Asterales
Habitat: Europe, Asia
Scientific name: Scorzonera hispanica
Name: Black Seed
Order: Annual
Habitat: Mediterranean
Scientific name: Nigella sativa
Name: Black Snakeroot
Order: Ranunculales
Habitat: Eastern North America
Scientific name: Actaea racemosa
Name: Black Spice
Order: Laurales
Habitat: East Asia
Scientific name: Litsea cubeba
Name: Black Spleenwort
Order: Fern
Habitat: Woodlands
Scientific name: Asplenium adiantum-nigrum
Name: Black Walnut
Order: Juglandales
Habitat: Woodlands and urban areas
Scientific name: Juglans nigra
Name: Blackberry
Order: Rosales
Habitat: Temperate Regions
Scientific name: Rubus spp.
Name: Blackberry Lily
Order: Perennial
Habitat: Meadows
Scientific name: Belamcanda chinensis
Name: Bladder Cherry
Order: Solanales
Habitat: Eurasia
Scientific name: Physalis alkekengi
Name: Blazing Star
Order: Asparagales
Habitat: Eastern North America
Scientific name: Liatris spicata
Name: Blessed Thistle
Order: Asterales
Habitat: Mediterranean region
Scientific name: Cnicus benedictus
Name: Blood Lily
Order: Asparagales
Habitat: Africa
Scientific name: Scadoxus multiflorus
Name: Bloodflower
Order: Gentianales
Habitat: Tropical and subtropical regions
Scientific name: Asclepias curassavica
Name: Bloodroot
Order: Ranunculales
Habitat: Native to eastern North America
Scientific name: Sanguinaria canadensis
Name: Blue Cohosh
Order: Berberidales
Habitat: Deciduous forests
Scientific name: Caulophyllum thalictroides
Name: Blue Flag
Order: Asparagales
Habitat: North America
Scientific name: Iris versicolor
Name: Blue Ginger
Order: Zingiberales
Habitat: Brazil
Scientific name: Dichorisandra thyrsiflora
Name: Blue Mallow
Order: Malvales
Habitat: Europe and North Africa
Scientific name: Malva sylvestris
Name: Blue Vervain
Order: Lamiales
Habitat: North America
Scientific name: Verbena hastata
Name: Blue-Eyed Grass
Order: Asparagales
Habitat: Meadows and grasslands
Scientific name: Sisyrinchium spp.
Name: Blue-Flowered Pea
Order: Fabales
Habitat: Tropics
Scientific name: Clitoria ternatea
Name: Blueberry
Order: Ericales
Habitat: North America
Scientific name: Vaccinium
Name: Bluestar
Order: Gentianales
Habitat: Prairies and open woodlands
Scientific name: Amsonia spp.
Name: Blueweed
Order: Boraginales
Habitat: Dry open areas
Scientific name: Echium vulgare
Name: Bluewell
Order: Asparagales
Habitat: Meadows and prairies
Scientific name: Camassia spp.
Name: Bog Bean
Order: Menyanthales
Habitat: Northern Temperate Regions
Scientific name: Menyanthes trifoliata
Name: Bog Bilberry
Order: Ericales
Habitat: Boreal and Arctic regions, Northern Hemisphere
Scientific name: Vaccinium uliginosum
Name: Bog Blueberry
Order: Ericales
Habitat: Northern Temperate Regions
Scientific name: Vaccinium uliginosum
Name: Bog Laurel
Order: Ericales
Habitat: Northern North America
Scientific name: Kalmia polifolia
Name: Bog Myrtle
Order: Myricales
Habitat: Northern Temperate Regions
Scientific name: Myrica gale
Name: Bog Orchid
Order: Asparagales
Habitat: Northern Temperate Regions
Scientific name: Platanthera spp.
Name: Bog Rosemary
Order: Ericales
Habitat: Bogs and acidic wetlands
Scientific name: Andromeda polifolia
Name: Boneset
Order: Asterales
Habitat: Moist areas and meadows
Scientific name: Eupatorium perfoliatum
Name: Borage
Order: Boraginales
Habitat: Native to the Mediterranean region, cultivated worldwide
Scientific name: Borago officinalis
Name: Box Huckleberry
Order: Ericales
Habitat: Eastern United States
Scientific name: Gaylussacia brachycera
Name: Bracken Fern
Order: Polypodiales
Habitat: Temperate and tropical regions, worldwide
Scientific name: Pteridium aquilinum
Name: Brahmi
Order: Lamiales
Habitat: Asia, Australia
Scientific name: Bacopa monnieri
Name: Brazilian Pepper
Order: Sapindales
Habitat: South America
Scientific name: Schinus terebinthifolia
Name: Brazilian Peppertree
Order: Sapindales
Habitat: Coastal regions of the Americas
Scientific name: Schinus terebinthifolia
Name: Bread Wheat
Order: Poales
Habitat: Cultivated
Scientific name: Triticum aestivum
Name: Breadfruit
Order: Rosales
Habitat: Pacific Islands
Scientific name: Artocarpus altilis
Name: Brewer's Yeast
Order: Saccharomycetales
Habitat: Cultivated
Scientific name: Saccharomyces cerevisiae
Name: Broccoli Raab
Order: Brassicales
Habitat: Mediterranean region, Asia
Scientific name: Brassica rapa
Name: Brooklime
Order: Lamiales
Habitat: Europe and Asia
Scientific name: Veronica beccabunga
Name: Broom
Order: Fabales
Habitat: Europe
Scientific name: Cytisus scoparius
Name: Broom Crowberry
Order: Ericales
Habitat: Coastal heaths and dunes
Scientific name: Corema conradii
Name: Broom Snakeweed
Order: Asterales
Habitat: Western North America
Scientific name: Gutierrezia sarothrae
Name: Broussonetia
Order: Rosales
Habitat: East Asia
Scientific name: Broussonetia papyrifera
Name: Brussels Sprouts
Order: Brassicales
Habitat: Europe
Scientific name: Brassica oleracea var. gemmifera
Name: Bryony
Order: Cucurbitales
Habitat: Europe and Asia
Scientific name: Bryonia spp.
Name: Burdock
Order: Asterales
Habitat: Native to Europe and Asia, naturalized in North America
Scientific name: Arctium lappa
Name: Burnet
Order: Rosales
Habitat: Native to Europe and western Asia, cultivated worldwide
Scientific name: Sanguisorba minor
| Name | Order | Habitat | Scientific name |
|---|---|---|---|
| Balm | Lamiales | Native to southern Europe and the Mediterranean region | Melissa officinalis |
| Balm of Gilead | Lamiales | Native to the Canary Islands | Cedronella canariensis |
| Balmony | Lamiales | Native to eastern North America | Chelone glabra |
| Baneberry | Ranunculales | North America | Actaea rubra |
| Baptisia | Fabales | Native to eastern and central North America | Baptisia spp. |
| Barberry | Ranunculales | Temperate regions, Europe, North Africa, Asia | Berberis vulgaris |
| Barberry Vine | Ranunculales | Native to western North America and eastern Asia | Mahonia spp. |
| Barley | Poales | Worldwide cultivation | Hordeum vulgare |
| Barrenwort | Ranunculales | Asia | Epimedium spp. |
| Barrenwort(Epimedium) | Perennial | Woodlands | Epimedium spp. |
| Barringtonia | Myrtales | Tropical forests | Barringtonia spp. |
| Basham's Wild Ginger | Perennial | Woodlands | Asarum canadense var. reflexum |
| Basil | Lamiales | Native to tropical regions of Asia, cultivated worldwide | Ocimum basilicum |
| Basketflower | Asterales | Meadows and prairies | Plectocephalus americanus |
| Bastard Cabbage | Brassicales | Europe and Asia | Rapistrum rugosum |
| Bastard Pennyroyal | Lamiales | Eastern North America | Trichostema brachiatum |
| Bastard Toadflax | Perennial | Grasslands | Comandra umbellata |
| Bay Bolete | Boletales | Temperate forests, Europe, North America | Boletus edulis |
| Bay Laurel | Laurales | Native to the Mediterranean region, cultivated worldwide | Laurus nobilis |
| Bay Rum Tree | Myrtales | Coastal regions of the Caribbean | Pimenta racemosa |
| Bayberry | Myricales | North America | Morella cerifera |
| Baylet | Asterales | Native to the Americas | Baccharis spp. |
| Bayou Bluebell | Gentianales | Central and Eastern US | Eustoma exaltatum |
| Bayou Phlox | Polemoniaceae | Coastal wetlands | Phlox bifida |
| Beach Pea | Perennial | Coastal | Lathyrus japonicus |
| Beaked Hazelnut | Shrub | Woodlands | Corylus cornuta |
| Bear's Foot | Perennial | Woodlands | Polymnia uvedalia |
| Bearberry | Ericales | Northern Hemisphere | Arctostaphylos uva-ursi |
| Bearberry Willow | Malpighiales | Native to northern North America and Eurasia | Salix uva-ursi |
| Beardtongue | Lamiales | North America | Penstemon spp. |
| Beargrass | Asparagales | Rocky outcrops and mountain meadows | Nolina spp. |
| Bearsfoot | Asterales | Eastern US | Polymnia uvedalia |
| Beaver Poison | Apiales | Native to North America | Cicuta maculata |
| Bedstraw | Perennial | Meadows | Galium spp. |
| Bee Balm | Lamiales | Native to North America | Monarda |
| Bee Sage | Perennial | Deserts | Salvia apiana |
| Bee Skep | Perennial | Meadows | Agastache nepetoides |
| Beebrush | Zygophyllales | Southwestern North America | Simmondsia chinensis |
| Beechdrops | Santalales | North America | Epifagus virginiana |
| Beefsteak Fungus | Polyporales | Found in forests of Europe and North America | Fistulina hepatica |
| Beefsteak Plant | Lamiales | Asia, cultivated worldwide | Perilla frutescens |
| Bees and Buttercups | Ranunculales | Temperate Northern Hemisphere | Trollius europaeus |
| Beeweed | Brassicales | Dry open areas | Cleome viscosa |
| Beewort | Asterales | Temperate regions, Europe, North America | Lycopus europaeus |
| Beggar's Tick | Asterales | Worldwide | Bidens spp. |
| Belladonna | Solanales | Native to temperate regions of Eurasia | Atropa belladonna |
| Bellflower | Asterales | Meadows and woodland edges | Campanula spp. |
| Bengal Quince | Sapindales | South Asia | Aegle marmelos |
| Bent Grass | Poales | Worldwide | Agrostis spp. |
| Benzoin | Laurales | Native to Southeast Asia | Styrax benzoin |
| Bergamot | Lamiales | Native to southern Italy, cultivated worldwide | Citrus bergamia |
| Bergenia | Saxifragales | Woodland and alpine regions | Bergenia spp. |
| Bethlehem Sage | Lamiales | Native to Europe | Pulmonaria officinalis |
| Bethroot | Liliales | Deciduous forests | Trillium spp. |
| Betony | Lamiales | Europe, Asia, North Africa | Stachys officinalis |
| Bhang | Rosales | Temperate regions, Asia, Africa, Americas | Cannabis sativa |
| Bilberry | Shrub | Boreal Forests | Vaccinium myrtillus |
| Bindweed | Convolvulales | Worldwide | Convolvulus spp. |
| Biota | Cupressales | Native to eastern Asia | Biota orientalis |
| Birchleaf Spirea | Rosales | Western US and Canada | Spiraea betulifolia |
| Bird's Foot Trefoil | Perennial | Meadows | Lotus corniculatus |
| Birdsfoot | Fabales | Europe and North Africa | Ornithopus spp. |
| Birthroot | Perennial | Woodlands | Trillium sessile |
| Birthwort | Aristolochiales | Native to temperate regions of the Northern Hemisphere | Aristolochia spp. |
| Bishop's Cap | Saxifragales | Native to northern temperate regions | Mitella spp. |
| Bishop's Goutweed | Apiales | Europe and Asia | Aegopodium podagraria |
| Bishop's Weed | Apiales | Europe, North Africa, Asia | Ammi majus |
| Bitter Almond | Rosales | Mediterranean region, Middle East | Prunus dulcis |
| Bitter Cucumber | Cucurbitales | Arid regions of Africa and Asia | Citrullus colocynthis |
| Bitter Melon | Cucurbitales | Native to Asia, Africa, and the Caribbean | Momordica charantia |
| Bitter Nightshade | Solanales | Europe and Asia | Solanum dulcamara |
| Bitterbloom | Annual | Meadows | Centaurium erythraea |
| Bittercress | Brassicales | Moist shaded areas | Cardamine spp. |
| Bittersweet | Celastrales | Eastern North America | Celastrus scandens |
| Black Ash | Lamiales | Native to eastern North America | Fraxinus nigra |
| Black Birch | Fagales | Native to eastern North America | Betula lenta |
| Black Bugbane | Ranunculales | Eastern North America | Cimicifuga racemosa |
| Black Canary | Lamiales | Native to southeastern Europe and western Asia | Phlomis tuberosa |
| Black Chokeberry | Rosales | Eastern North America | Aronia melanocarpa |
| Black Cohosh | Perennial | Woodlands | Actaea racemosa |
| Black Cumin | Annual | Mediterranean | Nigella sativa |
| Black Currant | Saxifragales | Northern Temperate Regions | Ribes nigrum |
| Black Haw | Dipsacales | Eastern North America | Viburnum prunifolium |
| Black Henbane | Biennial | Wasteland | Hyoscyamus niger |
| Black Horehound | Perennial | Wasteland | Ballota nigra |
| Black Huckleberry | Ericales | Eastern North America | Gaylussacia baccata |
| Black Indian Hemp | Apocynales | North America | Apocynum cannabinum |
| Black Medic | Fabales | Worldwide | Medicago lupulina |
| Black Mustard | Brassicales | Eurasia | Brassica nigra |
| Black Nightshade | Solanales | Cultivated and disturbed areas | Solanum nigrum |
| Black Pepper | Piperales | Tropical regions | Piper nigrum |
| Black Raspberry | Rosales | Eastern North America | Rubus occidentalis |
| Black Sage | Lamiales | Southwestern United States, Mexico | Salvia mellifera |
| Black Salsify | Asterales | Europe, Asia | Scorzonera hispanica |
| Black Seed | Annual | Mediterranean | Nigella sativa |
| Black Snakeroot | Ranunculales | Eastern North America | Actaea racemosa |
| Black Spice | Laurales | East Asia | Litsea cubeba |
| Black Spleenwort | Fern | Woodlands | Asplenium adiantum-nigrum |
| Black Walnut | Juglandales | Woodlands and urban areas | Juglans nigra |
| Blackberry | Rosales | Temperate Regions | Rubus spp. |
| Blackberry Lily | Perennial | Meadows | Belamcanda chinensis |
| Bladder Cherry | Solanales | Eurasia | Physalis alkekengi |
| Blazing Star | Asparagales | Eastern North America | Liatris spicata |
| Blessed Thistle | Asterales | Mediterranean region | Cnicus benedictus |
| Blood Lily | Asparagales | Africa | Scadoxus multiflorus |
| Bloodflower | Gentianales | Tropical and subtropical regions | Asclepias curassavica |
| Bloodroot | Ranunculales | Native to eastern North America | Sanguinaria canadensis |
| Blue Cohosh | Berberidales | Deciduous forests | Caulophyllum thalictroides |
| Blue Flag | Asparagales | North America | Iris versicolor |
| Blue Ginger | Zingiberales | Brazil | Dichorisandra thyrsiflora |
| Blue Mallow | Malvales | Europe and North Africa | Malva sylvestris |
| Blue Vervain | Lamiales | North America | Verbena hastata |
| Blue-Eyed Grass | Asparagales | Meadows and grasslands | Sisyrinchium spp. |
| Blue-Flowered Pea | Fabales | Tropics | Clitoria ternatea |
| Blueberry | Ericales | North America | Vaccinium |
| Bluestar | Gentianales | Prairies and open woodlands | Amsonia spp. |
| Blueweed | Boraginales | Dry open areas | Echium vulgare |
| Bluewell | Asparagales | Meadows and prairies | Camassia spp. |
| Bog Bean | Menyanthales | Northern Temperate Regions | Menyanthes trifoliata |
| Bog Bilberry | Ericales | Boreal and Arctic regions, Northern Hemisphere | Vaccinium uliginosum |
| Bog Blueberry | Ericales | Northern Temperate Regions | Vaccinium uliginosum |
| Bog Laurel | Ericales | Northern North America | Kalmia polifolia |
| Bog Myrtle | Myricales | Northern Temperate Regions | Myrica gale |
| Bog Orchid | Asparagales | Northern Temperate Regions | Platanthera spp. |
| Bog Rosemary | Ericales | Bogs and acidic wetlands | Andromeda polifolia |
| Boneset | Asterales | Moist areas and meadows | Eupatorium perfoliatum |
| Borage | Boraginales | Native to the Mediterranean region, cultivated worldwide | Borago officinalis |
| Box Huckleberry | Ericales | Eastern United States | Gaylussacia brachycera |
| Bracken Fern | Polypodiales | Temperate and tropical regions, worldwide | Pteridium aquilinum |
| Brahmi | Lamiales | Asia, Australia | Bacopa monnieri |
| Brazilian Pepper | Sapindales | South America | Schinus terebinthifolia |
| Brazilian Peppertree | Sapindales | Coastal regions of the Americas | Schinus terebinthifolia |
| Bread Wheat | Poales | Cultivated | Triticum aestivum |
| Breadfruit | Rosales | Pacific Islands | Artocarpus altilis |
| Brewer's Yeast | Saccharomycetales | Cultivated | Saccharomyces cerevisiae |
| Broccoli Raab | Brassicales | Mediterranean region, Asia | Brassica rapa |
| Brooklime | Lamiales | Europe and Asia | Veronica beccabunga |
| Broom | Fabales | Europe | Cytisus scoparius |
| Broom Crowberry | Ericales | Coastal heaths and dunes | Corema conradii |
| Broom Snakeweed | Asterales | Western North America | Gutierrezia sarothrae |
| Broussonetia | Rosales | East Asia | Broussonetia papyrifera |
| Brussels Sprouts | Brassicales | Europe | Brassica oleracea var. gemmifera |
| Bryony | Cucurbitales | Europe and Asia | Bryonia spp. |
| Burdock | Asterales | Native to Europe and Asia, naturalized in North America | Arctium lappa |
| Burnet | Rosales | Native to Europe and western Asia, cultivated worldwide | Sanguisorba minor |