Alphabetical Plant List
- Bearberry, Kinnikinnick, Pinemat Manzanita
- Black Henbane, Henbane, Stinking Nightshade
- Blue Vervain, Holy Herb, Mosquito Plant, Simpler's Joy, Wild Hyssop
- Breckland Thyme, Creeping Thyme, Wild Thyme
- Bistort, Meadow Bistort
- Blackberry
- Bouncing-Bet, Crow Soap, Soapweed, Soapwort, Wild Sweet William
- Black Bindweed, Black Bryony, Lady's-Seal
- Black Nightshade, Duscle, Garden Huckleberry, Garden Nightshade, Hound's Berry, Petty Morel, Popolo, Wonder Berry
- Black Choceberry
- Baneberry, Eurasian Baneberry, Herb Christopher
- Bilberry, European Blueberry, Whortleberry
- Betony, Bishopwort, Hedgenettle, Purple Betony, Wood Betony
- Blue Skullcap, Mad Dog Skullcap, Side-Flowering Skullcap
- Bird's Nest, Bishop's Lace, Queen Anne's Lace, Wild Carrot
- Burning Bush, Dittany, Fraxinella, Gas Plant
- Brigham Tea, Jointfir, Joint-Pine, Mormon-Tea
- Black Maidenhair Fern, Southern Maidenhair Fern, Venus Hair Fern
- Bulb Onion
- Birthwort
- Bay Laurel, Bay Tree, Grecian Laurel, Sweet Bay, True Laurel
- Balm Mint, Lemon Balm
- Boxwood, Common Box, European Box
- Bellbind, Bugle Vine, Granny-Pop-Out-Of-Bed, Heavenly Trumpets, Hedge Bindweed, Rutland Beauty
- Bastard Balm
- Basil, Sweet Basil
- Blackthorn, Sloe
- Biting Stonecrop, Goldmoss Sedum, Goldmoss Stonecrop, Mossy Stonecrop, Wallpepper
- Black Elder, Elder, Elderberry, European Black Elderberry, European Elder, European Elderberry
- Bishop's Weed, Gout Wort, Goutweed, Ground Elder, Herb Gerard, Masterwort, Snow-In-The-Mountain
- Boneset, Comfrey, Consound, Knitbone, Quaker Comfrey, Slippery-Root
- Benzoin, Snowbell
- Bladder Cherry, Chinese Lantern, Japanese-Lantern, Strawberry Groundcherry, Winter Cherry
- Beggar's Buttons, Edible Burdock, Greater Burdock, Happy Major, Thorny Burr
- Bearded Iris
- Bird's-Foot Deervetch, Bird's-Foot Trefoil
- Blueweed, Viper's Bugloss
- Bitter Orange
- Black Alder, Common Alder , European Alder
- Bruisewort, Common Daisy, English Daisy, Lawn Daisy, Woundwort
- Butterweed, Canadian Fleabane, Canadian Horseweed, Coltstail, Horseweed, Marestail
- Barley
- Blady Grass, Cogon Grass, Japanese Bloodgrass, Kunai Grass
- Brandy-Bottle, Yellow Water-Lily
- Butterbur
- Blackcurrant
- Black Poplar
- Butter-And-Eggs, Common Toadflax, Yellow Toadflax
- Blue Bugle, Bugle , Bugleherb, Bugleweed, Carpet Bugleweed, Carpetweed
- Blessed Thistle, Holy Thistle, Spotted Thistle, St. Benedict's Thistle
- Bogbean, Buckbean
- Browntop, Colonial Bent, Common Bent
- Barbary Matrimony Vine, Chinese Boxthorn, Chinese Wolfberry, Duke Of Argyll's Tea Tree, Himalayan Goji, Matrimony Vine, Mede Berry, Murali, Red Medlar, Tibetan Goji
- Beet
- Bengal Gram, Cece, Ceci, Chana, Chickpea, Egyptian Pea, Garbanzo, Garbanzo Bean, Gram, Kabuli Chana
- Blue Gum, Southern Blue-Gum, Tasmanian Bluegum
- Barbed Goatgrass