pigweed

Pigweed can mean any of a number of weedy plants which may be used as pig fodder:

• Amaranthus species
• Amaranthus albus, white pigweed, tumble pigweed
• Amaranthus blitoides, prostrate pigweed
• Amaranthus californicus, California pigweed
• Amaranthus fimbriatus, fringed pigweed
• Amaranthus hybridus, smooth pigweed
• Amaranthus palmeri, the 'pigweed' resistant to glyphosate in the US Southeast
• Amaranthus retroflexus, redroot pigweed
• Chenopodium album white goosefoot
• Polygonum aviculare
• Portulaca species