Dyckia microcalyx is a species of flowering plant in the Bromeliaceae family. This species is native to Argentina, Paraguay and Brazil.Kew World Checklist of Selected Plant Families
Two varieties are recognized:
Dyckia microcalyx var. microcalyx - Paraguay, Mato Grosso do Sul Dyckia microcalyx var. ostenii L.B.Sm. - Paraná, Misiones
References