Bougainvillea glabra
Lesser Bougainvillea
Brachypodium sylvaticum
False-brome
Brassica napus
Oil-seed Rape
Bromopsis ramosa
Hairy-brome
Bryonia dioica
White Bryony
Butomus umbellatus
Flowering-rush
Buxus sempervirens
Box
Cakile maritima
Sea Rocket
Calamagrostis canescens
Purple Small-reed
Callistephus chinensis
China aster
Calluna vulgaris
Heather
Caltha palustris
Marsh-marigold
Calystegia pulchra
Hairy Bindweed
Campanula cervicaria
Bristly Bellflower
Campanula latifolia
Giant Bellflower
Campanula patula
Spreading Bellflower
Campanula persicifolia
Peach-leaved Bellflower
Campanula rapunculoides
Creeping Bellflower
Campanula rotundifolia
Harebell
Campanula trachelium
Nettle-leaved Bellflower
Cardamine corymbosa
New Zealand Bitter-cress
Cardamine flexuosa
Wavy Bitter-cress
Cardamine hirsuta
Hairy Bitter-cress
Cardamine impatiens
Narrow-leaved Bitter-cress