The genus Rumex includes about 140 species, commonly known as Docks or Sorrels, and is best represented in the North Temperate Zone, a few occurring in South America, South Africa and Australia.
Proceedings of the Iowa Academy of Science
©1924 Iowa Academy of Science, Inc.
Cratty, R. I.
"The Genus Rumex in Iowa,"
Proceedings of the Iowa Academy of Science, 31(1), 213-216.
Available at: https://scholarworks.uni.edu/pias/vol31/iss1/44