This name is a synonym of Penstemon angelicus .
The record derives from Tropicos
(data supplied on )
which reports it as a synonym (record 50289856
) with original publication details: Proc. Calif. Acad. Sci., ser. 4, 12(30): 1165 1924.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:187269-2
.
This name was in version 1 of The Plant List, record tro-50289856.