⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-312762, with some changes.

Aloe rigida var. expansa (Haw.) Salm-Dyck is a synonym of Haworthia rigida (Lam.) Haw.

This name is a synonym of Haworthia rigida (Lam.) Haw..

The record derives from WCSP which reports it as a synonym (record 312762) with original publication details: Aloes Mesembr. 4: t. 3b 1842.