Synonymy
Wilhelmsia Rchb., Consp. Regn. Veg.: 206. 1828 sec. Bittrich (1993c)
Notes
Monotypic; arctic northwest America and eastern Asia. Harbaugh & al. (2010) found Wilhelmsia and Honckenya are sister to each other and both are the closest relatives to the Hawaiian Schiedea.