⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50051003, with some changes.

Niphobolus adnascens var. spissum (Bory ex Willd.) Keyserl. is a synonym of Pyrrosia lanceolata (L.) Farw.

This name is a synonym of Pyrrosia lanceolata (L.) Farw..

The record derives from Tropicos which reports it as a synonym (record 50051003) with original publication details: Polyp. Herb. Bunge 37 37 1873.