⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2749519, with some changes.

Cycas circinalis f. chamberlainii (W.H.Br. & Kienholz) J.Schust. is a synonym of Cycas riuminiana Porte ex Regel

This name is a synonym of Cycas riuminiana Porte ex Regel.

The record derives from WCSP which reports it as a synonym (record 383311) with original publication details: Pflanzenr. IV, 1: 69 1932.