⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2512257, and has not been changed.

Macrozamia tridentata f. dielsii J.Schust. is a synonym of Macrozamia spiralis (Salisb.) Miq.

This name is a synonym of Macrozamia spiralis (Salisb.) Miq..

The record derives from WCSP which reports it as a synonym (record 379336) with original publication details: Pflanzenr. IV, 1: 93 1932.