The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.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 attenuatus in version 1.1 of The Plant List.

L Penstemon attenuatus subsp. pseudoprocerus (Rydb.) D.D. Keck is a synonym of Penstemon attenuatus var. pseudoprocerus (Rydb.) Cronquist

This name is a synonym of Penstemon attenuatus var. pseudoprocerus (Rydb.) Cronquist.

The record derives from Tropicos which reports it as a synonym (record 29201256) with original publication details: Amer. Midl. Naturalist 33(1): 169 169 1945.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187175-2.