Axyris amaranthoides
 Axyris amaranthoides is a species of vascular plant in the family Amaranthaceae that has been introduced to North America. It was introduced into Manitoba in 1886 and has since spread to other provinces in Canada and the United States. Axyris amaranthoides (2n=18) is commonly known as Russian pigweed and upright axyris. The Chinese name is zhouli (轴藜).