Atriplex portulacoides
Sea-purslane
Atriplex prostrata
Spear-leaved Orache
Atropa belladonna
Deadly Nightshade
Aubrieta deltoidea
Aubretia
Avenula pubescens
Downy Oat-grass
Azadirachta indica
Neem
Baldellia ranunculoides
Lesser Water-plantain
Ballota nigra
Black Horehound
Baltimora recta
Beautyhead
Banksia blechnifolia
Southern#Blechnum Banksia
Barbarea verna
American Winter-cress
Barbarea vulgaris
Winter-cress
Barleria cristata
Philippine-violet
Beaumontia grandiflora
Easter Lily Vine
Begonia maculata
Polka Dot Begonia
Begonia sp.
Bellis perennis
Daisy
Berberis x stenophylla
Hedge Barberry
Bergenia crassifolia
Elephant-ears
Bergera koenigii
Curry Tree
Berula erecta
Lesser Water-parsnip
Beta vulgaris
Sea Beet
Betonica officinalis
Betony
Betula pendula
Silver Birch
Bidens cernua
Nodding Bur-marigold
Bidens pilosa
Spanish-needles
Bidens tripartita
Trifid Bur-marigold
Bignonia magnifica
Glowvine
Bistorta officinalis
Common Bistort
Bistorta vivipara
Alpine Bistort
Blackstonia perfoliata
Yellow-wort
Blitum bonus-henricus
Good-King-Henry
Blysmus compressus
Flat-sedge
Boerhavia erecta
Erect Spiderling
Bolboschoenus maritimus
Sea Club-rush
Borago officinalis
Borage
Borago pygmaea
Slender Borage
Bougainvillea glabra
Brachyglottis x jubar
Shrub Ragwort
Brachypodium sylvaticum
False-brome
Brassica juncea
Chinese Mustard
Brassica napus
Oil-seed Rape
Brassica oleracea
Wild Cabbage
Brassica rapa
Turnip
Briza maxima
Greater Quaking-grass
Briza media
Quaking-grass
Bromus hordeaceus
Soft-brome
Brugmansia versicolor
Angel’s Trumpets
Brunfelsia americana
Lady of the Night
Brunfelsia pauciflora
Tomorrow Together
Bryonia dioica
White Bryony
Bunchozia armeniaca
Cansaboca
Bupleurum rotundifolium
Thorow-wax
Butomus umbellatus
Flowering-rush
Buxus sempervirens
Box
Caesalpinia pulcherrima
Poinciana
Cakile maritima
Sea Rocket
Calamagrostis epigejos
Wood Small-reed
Calendula officinalis
Pot Marigold
Calliandra surinamensis
Pink Powder Puff
Calliandra tergemina
Dwarf Powder Puff
Callicarpa pedunculata
Beautyberry
Callindra houstoniana
Callistephus chinensis
China aster
Callitriche sp.
Callitriche stagnalis
Common Water-starwort
Calluna vulgaris
Heather
Calocedrus decurrens
Californian Incense-cedar
Calopogonium mucunoides
Calopo
Calotropis gigantea
Giant Calotrope