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{{italic title}}{{Taxobox
|name=Frailea castanea
|image=Frailea castanea 15.JPG
|regnum = Plantae
|unranked_divisio = Angiosperms
|unranked_classis = Eudicots
|unranked_ordo = Core eudicots
|ordo = Caryophyllales
|familia = Cactaceae
|subfamilia = Cactoideae
|tribus = Notocacteae
|genus = Frailea
| species = F. castanea
| binomial = Frailea castanea
| binomial_authority =Backeb. 1935
|synonyms =
}}Frailea castanea is a species of Frailea found in Argentina, Brazil and Uruguay.[1]GalleryReferences1. ^{{cite web|url=http://www.tropicos.org/Name/50174658|title= Frailea castanea in Tropicos}}
External links- {{commonscat-inline|Frailea castanea|Frailea castanea}}
- {{wikispecies-inline|Frailea castanea|Frailea castanea}}
{{Taxonbar|from=Q1440497}}{{-}}{{cactus-stub}} 5 : Frailea|Cacti of South America|Flora of Argentina|Flora of Brazil|Flora of Uruguay |