⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-29604038, with some changes.

Nicotiana quadrivalvis Pursh is a synonym of Nicotiana bigelovii var. quadrivalvis (Pursh) East

This name is a synonym of Nicotiana bigelovii var. quadrivalvis (Pursh) East.

The record derives from Tropicos which reports it as a synonym (record 29604038) with original publication details: Fl. Amer. Sept. 1: 141-142 141 1814.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:317399-2.