Curly Dock
(Rumex crispus)

Dock is one of the common weeds of our roadsides, ditchbanks, and wastelands. It was introduced from Europe. Its most conspicuous feature is the tall spike of rusty brown seeds (about 3 feet tall) which remains through the winter. It is frequently collected for winter bouquets.
There are other species of dock in Utah. Curly dock can be distinguished from the others by the wavy and curly margins on its leaves.