Common Name - -	Family : Order
Baby sage - -	Lamiaceae : Lamiales
Balsa tree - -	Malvaceae : Malvales
Balsamic sage - -	Lamiaceae : Lamiales
Bantigue - -	Lythraceae : Myrtales
Barbados shrub - -	Cactaceae : Caryophyllales
Barbasco - -	Theophrastaceae : Ericales
Bashful four o'clock - -	Nyctaginaceae : Caryophyllales
Basil thyme - -	Lamiaceae : Lamiales
Bearded catasetum - -	Orchidaceae : Asparagales
Bearded St. John's wort - -	Hypericaceae : Theales
Beekeeper's sage - -	Lamiaceae : Lamiales
Bee-orchid - -	Orchidaceae : Asparagales
Benjamin fig - -	Moraceae : Rosales
Berlandier's trumpets - -	Nyctaginaceae : Caryophyllales
Bertoloni's bee-orchid - -	Orchidaceae : Asparagales
Bicolored cattleya - -	Orchidaceae : Asparagales
Big leaf magnolia - -	Magnoliaceae : Magnoliales
Bigelow's desert four o'clock - -	Nyctaginaceae : Caryophyllales
Big-leaf lupine - -	Fabaceae : Fabales
Bird-beak orchid - -	Orchidaceae : Asparagales
Bird's nest anthurium - -	Araceae : Alismatales
Birds-eye primrose - -	Primulaceae : Ericales
Bitter gourd - -	Cucurbitaceae : Cucurbitales
Black arum - -	Araceae : Alismatales
Black bugbane - -	Ranunculaceae : Ranunculales
Black calla lily - -	Araceae : Alismatales
Black ironwood - -	Rhamnaceae : Rhamnales
Black locust - -	Fabaceae : Fabales
Black sage - -	Lamiaceae : Lamiales
Black vanilla orchid - -	Orchidaceae : Asparagales
Blackcurrant - -	Grossulariaceae : Saxifragales
Blackish maxillaria - -	Orchidaceae : Asparagales
Bladder campion - -	Caryophyllaceae : Caryophyllales
Blazing white sage - -	Lamiaceae : Lamiales
Blue bollea - -	Orchidaceae : Asparagales
Blue candle - -	Cactaceae : Caryophyllales
Blue fortune - -	Lamiaceae : Lamiales
Blue giant hyssop - -	Lamiaceae : Lamiales
Blue mint bush - -	Lamiaceae : Lamiales
Blue savory - -	Lamiaceae : Lamiales
Boissier's savory - -	Lamiaceae : Lamiales
Bolwarra - -	Eupomatiaceae : Magnoliales
Bouncing bet - -	Caryophyllaceae : Caryophyllales
Boy's coryanthese - -	Orchidaceae : Asparagales
Brazil's white angel trumpet - -	Solanaceae : Solanales
Brewer's clarkia - -	Onagraceae : Myrtales
Broad bean - -	Fabaceae : Fabales
Broad-leaved cow parsnip - -	Umbelliferae : Apiales
Broad-leaved sermountain - -	Apiaceae : Apiales
Broad-leaved thyme - -	Lamiaceae : Lamiales
Brown boronia - -	Rutaceae : Sapindales
Brymer's dendrobium - -	Orchidaceae : Asparagales
Bud blast - -	Orchidaceae : Asparagales
Bumblebee orchid - -	Orchidaceae : Asparagales
Burnet saxifrage - -	Apiaceae : Apiales
Butterfly bush - -	Scrophulariaceae : Lamiales