Giant Foxtail (Setaria faberi)

fasciated, I think.

Eggplant (Solanum melongena)

Corn (Zea mays)

Dotted Smartweed (Persicaria punctata)

Pumpkin (Cucurbita pepo)

Purple Amaranth (Amaranthus blitum)

Redroot Amaranth (Amaranthus retroflexus)

Nasturtium (Tropaeolum sp.)

Horseweed (Conyza canadensis)