The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50119025, with some changes.

M Penstemon palustris Pennell is a synonym of Penstemon attenuatus var. palustris (Pennell) Cronquist

This name is a synonym of Penstemon attenuatus var. palustris (Pennell) Cronquist.

The record derives from Tropicos which reports it as a synonym (record 50119025) with original publication details: Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 8–9 8 1941.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187641-2.