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Maihuenia (Phil. ex F.A.C.Weber) K.Schum., Gesamtbeschr. Kakt.: 754. 1897–1899 sec. Hunt 2006


Key literature: Monograph by Leuenberger (1997).

Taxon standing

Category B. The genus is monophyletic based on phylogenetic studies that support the clade based on a sufficiently dense or even complete sampling, or support a monotypic genus as a distinct lineage, but do not provide a new taxonomic treatment at the species level. In many cases, older classical taxonomic synopses or a monographic treatment exist for these genera providing a reliable assessment of the species included.