⚠ Version 1 of The Plant List has been superseded.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 Crataegus tomentosa in version 1.1 of The Plant List.
This name is a synonym of Crataegus calpodendron var. microcarpa .
The record derives from Tropicos which reports it as a synonym (record 50080451
) with original publication details: Fl. South. U.S. (ed. 3) 139 139 1897.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:69094-2
.