Jerarquía taxonómica:
Asparagaceae → Polianthes densiflora (B.L. Rob. & Fernald) Shinn, 1966

Familia:
Asparagaceae

Autor:
(B.L. Rob. & Fernald) Shinn, 1966

Sinónimos:
Pseudobravoa densiflora (B.L. Rob. & Fernald) Rose, 1899
Bravoa densiflora B.L. Rob. & Fernald, 1894
Agave confertiflora Thiede & Eggli, 1999