⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50129522, and has not been changed.
This name is a synonym of Ulmus crassifolia Nutt..
The record derives from Tropicos which reports it as a synonym (record 50129522) with original publication details: Amer. Midl. Naturalist 27: 483 483 1942.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:259371-2.