Synonyms: Billbergia acaulis; Cryptanthus fosterianus; Cryptanthus isonatus; Cryptanthus isonatus var. fusus; Cryptanthus zonatus f. fuscus; Cryptanthus zonatus f. viridis; Cryptanthus zonatus f. zonatus; Cryptanthus zonatus fuscus; Cryptanthus zonatus var. fuscus; Cryptanthus zonatus var. viridis; Cryptanthus zonatus viridis; Pholidophyllum zonatum (homotypic); Pholidophyllum zonatum fuscum; Pholidophyllum zonatum var. fuscum; Tillandsia acaulis var. zebrina; Tillandsia acaulis var. zonata; Tillandsia acaulis zebrina; Tillandsia acaulis zonata (homotypic); Tillandsia zonata