Publication: Ark. Bot. (n. s.) 7(1): 45. 1968.

Origin: Native

selected vouchers: WTU

Notes: FNA5: "Rumex fueginus, in spite of its similarities to R. maritimus, is more closely related to R. persicarioides. Specimens of R. fueginus often are misidentified as R. maritimus, and the name R. persicarioides has been applied to R. fueginus. This confusion obscures distribution patterns among members of the aggregrate.

Several varieties have been described based mostly on teeth variation. These taxa appear to have little taxonomic significance, with the possible exception of var. athrix (St. John) Rechinger f., which has entire or subentire inner tepals and occurs in arid regions of the southwestern United States (H. St. John 1915; K. H. Rechinger 1937).

Rumex fueginus is known in Europe as an uncommon, casual alien."

References: (none)