⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Penstemon ambiguus in version 1.1 of The Plant List.

Penstemon ambiguus var. laevissimus (D.D. Keck) N.H. Holmgren is an accepted name

This name is the accepted name of an infraspecific taxon in the genus Penstemon (family Plantaginaceae).

The record derives from Tropicos which reports it as an accepted name (record 29204296) with original publication details: Brittonia 31(1): 104 104 1979.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187140-2.

Synonyms:

See "Status", "Confidence level", "Source" for definitions.

Name	Status	Confi­dence level	Source
Penstemon ambiguus subsp. laevissimus D.D. Keck	Synonym		TRO