Examples from the Web for pigweed
First, I picked the pigweed and tansy, or how could she have made the cheese?Aunt Madge's Story|Sophie May
Weed seeds such as those of spurges (Euphorbia), ragweed, and pigweed were found in trace amounts in the diet of the crows.
A pigweed, and a month from now it would be waist high to you.The Black Fawn|James Arthur Kjelgaard
Barnyard grass (Panicum crusgalli) behaved like pigweed, and 'needed considerable attention.'
A plant like the pigweed, which lives only one year, is called an annual and is one of the easiest weeds to destroy.Agriculture for Beginners|Charles William Burkett