Synonyms
Gymnosphaera squamulata J.Sm.
Alsophila commutata Mett.
Alsophila heteromorpha Alderw.
Alsophila subulata Alderw.
Cyathea toppingii Copel.
Alsophila heteromorpha var. decomposita Alderw.
Cyathea subulata Domin
Gymnosphaera hewittii (Copel.) Copel.
Cyathea hewittii Copel.
Gymnosphaera recommutata (Copel.) Copel.
Alsophila hewittii (Copel.) Alderw.
Cyathea recommutata Copel.
Cyathea heteromorpha Domin