⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-29204295, with some changes.
This name is a synonym of Penstemon caespitosus var. desertipicti (A. Nelson) N.H. Holmgren.
The record derives from Tropicos which reports it as a synonym (record 29204295) with original publication details: Univ. Wyoming Publ. Sci., Bot. 1(5): 130–131 130 1926.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187340-2.