Brassica napus
Oil-seed Rape
Brassica oleracea
Wild Cabbage
Brassica rapa
Turnip
Briza maxima
Greater Quaking-grass
Briza media
Quaking-grass
Bromopsis ramosa
Hairy-brome
Bromus hordeaceus
Soft-brome
Bryonia dioica
White Bryony
Bupleurum rotundifolium
Thorow-wax
Butomus umbellatus
Flowering-rush
Buxus sempervirens
Box
Cakile maritima
Sea Rocket
Caladium bicolor
Heart of Jesus
Calamagrostis canescens
Purple Small-reed
Calamagrostis epigejos
Wood Small-reed
Calendula officinalis
Pot Marigold
Callistephus chinensis
China aster
Callitriche brutia
Pedunculate Water-starwort
Callitriche sp.
Callitriche stagnalis
Common Water-starwort
Calluna vulgaris
Heather
Calocedrus decurrens
Californian Incense-cedar
Caltha palustris
Marsh-marigold
Calycanthus occidentalis
Californian Allspice