Pneumatopteris auctipinna Holttum in Blumea 21: 310. 1973
- Unknown type category: N. Celebes, Tomohon, P. & F. Sarasin 119
- =Aspidium truncatum var. celebicum Miquel in Ann. Mus. Bot. Lugd.-Bat. 4: 160. 1869
- Unknown type category: Menado, N. Celebes, de Vriese
- =Aspidium truncatum sensu Christ in Ann. Jard. Bot. Btzg 15: as regards specimens cited from Celebes. 1898
