Semantic search
- Betula pumila
- Bidens
- Bidens bipinnata
- Bidens cernua
- Bidens frondosa
- Bidens pilosa
- Bidens tripartita
- Blechnum
- Blechnum occidentale
- Boerhavia
- Boerhavia diffusa
- Boerhavia erecta
- Bontia
- Bontia daphnoides
- Brassica
- Brassica napus
- Brassica oleracea
- Brassica rapa
- Bryonia
- Bryonia alba
- Buchnera
- Buchnera americana
- Buddleja
- Bunias
- Bunias erucago
- Bunias orientalis
- Burmannia
- Burmannia biflora
- Butomus
- Butomus umbellatus
- Buxus
- Buxus sempervirens
- Calendula
- Calendula arvensis
- Calendula officinalis
- Calla
- Calla palustris
- Callitriche
- Callitriche hermaphroditica
- Callitriche palustris
- Calophyllum
- Calophyllum inophyllum
- Caltha
- Caltha palustris
- Calycanthus
- Calycanthus floridus
- Calycanthus floridus var. floridus
- Canna
- Canna glauca
- Canna indica
- Cannabis
- Cannabis sativa
- Capraria
- Capraria biflora
- Cardamine
- Cardamine bellidifolia
- Cardamine hirsuta
- Cardamine impatiens
- Cardamine parviflora
- Cardamine pratensis
- Carduus
- Carduus acanthoides
- Carduus acanthoides subsp. acanthoides
- Carduus crispus
- Carduus nutans
- Carduus pycnocephalus
- Carduus pycnocephalus subsp. pycnocephalus
- Carex
- Carex arenaria
- Carex atrata
- Carex canescens
- Carex canescens subsp. canescens
- Carex capillaris
- Carex capitata
- Carex distans
- Carex flava
- Carex folliculata
- Carex hirta
- Carex limosa
- Carex loliacea
- Carex muricata
- Carex pallescens
- Carex panicea
- Carex pseudocyperus
- Carex saxatilis
- Carex sect. Carex
- Carex squarrosa
- Carex vesicaria
- Carica
- Carica papaya
- Carlina
- Carlina vulgaris
- Carlina vulgaris subsp. vulgaris
- Carpinus
- Carthamus
- Carthamus creticus
- Carthamus lanatus
- Carthamus tinctorius
- Caryota
- Caryota urens