jewels-of-opar: erect plant with tuberous roots and terminal panicles of red to yellow flowers; southwestern North America to Central America; widely introduced elsewhere
flame flower: plant with fleshy roots and erect stems with narrow succulent leaves and one reddish-orange flower in each upper leaf axil; southwestern United States; Indians once cooked the fleshy roots
large crabgrass: a European forage grass grown for hay; a naturalized weed in United States