⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2831624, and has not been changed.

Grammadenia ptariensis subsp. auyantepuiensis G.Agostini is a synonym of Cybianthus ptariensis (Steyerm.) Pipoly

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Acta Bot. Venez. 2: 283 1967.