The most frequently consumed plants are field corn and sweet corn, sorghum, Bermudagrass, and grass weeds such as crabgrass, Digitaria spp.
(The most frequently consumed plants; are; field corn and sweet corn, sorghum, Bermudagrass, and grass weeds such as crabgrass)
The most frequently consumed plants
are
field corn and sweet corn, sorghum, Bermudagrass, and grass weeds such as crabgrass