Calendula arvensis
Calligonum polygonoides subsp. comosum
Calotropis procera
Carex divisa
Centaurea calcitrapa
Centaurium tenuiflorum
Ceratonia siliqua
Chara sp.
Chenopodium ficifolium
Chenopodium murale
Cichorium endivia
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Convolvulus arvensis
Conyza bonariensis
Corchorus olitorius
Cornulaca monacantha
Cressa cretica
Crucianella maritima
Cuscuta pedicellata
Cynanchum acutum
Cynodon dactylon
Cyperus laevigatus
Cyperus rotundus |