⚠ Version 1 of The Plant List has been superseded.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 heidelbergensis in version 1.1 of The Plant List.
This name is a synonym of Crataegus roanensis var. heidelbergensis .
The record derives from Tropicos which reports it as a synonym (record 50294225
) with original publication details: Proc. Acad. Nat. Sci. Philadelphia 62(1C): 215-216 215 1910.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:68390-2
.