Curly dock has all the traits of a super weed
With high levels of oxalic acid, like that in Brussels sprouts, and with a proliferation of seed dispersal, the plant easily establishes itself everywhere except Greenland
During a recent trip to photograph landscapes on the Navajo Nation, I was surprised to see the prairie visually dominated by a robust plant, 3 to 4 feet tall, with thick stems, large leaves and showy plumes of red flowers. On the Colorado Plateau, this species is referred to as Navajo tobacco, but in most places in its immense range it is curly dock, Rumex crispus.
When early botanists compiled lists of species from