Blechnum orientale
Blechnum spicant
Hard-fern
Blitum bonus-henricus
Good-King-Henry
Blysmus compressus
Flat-sedge
Borago officinalis
Borage
Botrychium lunaria
Moonwort
Brachypodium sylvaticum
False-brome
Brassica juncea
Chinese Mustard
Brassica rapa
Turnip
Bryonia dioica
White Bryony
Bupleurum rotundifolium
Thorow-wax
Buxus sempervirens
Box
Cakile maritima
Sea Rocket
Caladium bicolor
Heart of Jesus
Callitriche stagnalis
Common Water-starwort
Calluna vulgaris
Heather
Calocedrus decurrens
Californian Incense-cedar
Caltha palustris
Marsh-marigold
Calystegia silvatica
Large Bindweed
Calystegia soldanella
Sea Bindweed
Campanula latifolia
Giant Bellflower
Campanula patula
Spreading Bellflower
Campanula poscharskyana
Trailing Bellflower
Campanula trachelium
Nettle-leaved Bellflower