Tall annual willowherb (panicle-leaf willowherb), Epilobium brachycarpum, and sowthistle, Sonchus oleraceus, growing around a landscape tree.
Tall annual willowherb (panicle-leaf willowherb), Epilobium brachycarpum, and sowthistle, Sonchus oleraceus, growing around a landscape tree. Credit: Jack Kelly Clark