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⚠ Version 1 of The Plant List has been superseded.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-29204280, with some changes.

M Penstemon pseudoprocerus Rydb. 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 29204280) with original publication details: Mem. New York Bot. Gard. 1: 346-347 346 1900.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:187699-2.