⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50107905, with some changes.
This name is a synonym of Penstemon eriantherus subsp. saliens (Rydb.) Pennell.
The record derives from Tropicos which reports it as a synonym (record 50107905) with original publication details: Mem. New York Bot. Gard. 1: 344-345 344 1900.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187755-2.