Synonym
Cycas riedlei Fisch. ex Gaudich.
Published in: Voy. Uranie, Bot.: 434. 1829. 
(Voy. Uranie, Bot. 
)
This name is considered a Synonym of Macrozamia riedlei (Fisch. ex Gaudich.) C.A.Gardner
Published in: Voy. Uranie, Bot.: 434. 1829. (Voy. Uranie, Bot. )
This name is considered a Synonym of Macrozamia riedlei (Fisch. ex Gaudich.) C.A.Gardner