Linnaeus Levetin,E. and McMahon,K. (2003) Plants and Society. McGraw Hill; Boston \ Bread wheat: Triticum aestivumDurum wheat: Triticum durum Simpson,B. and Ogorzaly, M. (2001). Economic Botany. McGraw-Hill; Boston Maize: Zea mays Rice: Oryza sativa Wild rice: Zizania aquatica Levetin,E. and McMahon,K. (2003) Plants and Society. McGraw Hill; Boston Barley: Hordeum vulgare Oats: Avena sativa b434/graphic/Secale2.jpg Rye: Secale cereale Finger millet: Eleusine coracanaPearl millet: Pennisetum glaucum Sorghum: Sorghum bicolor Sugarcane: Saccharum officinarumimages/sugarcane-sm.jpg