⚠ Version 1 of The Plant List has been superseded.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 tardipes in version 1.1 of The Plant List.
This name is a synonym of Crataegus holmesiana var. tardipes .
The record derives from Tropicos which reports it as a synonym (record 50278705
) with original publication details: Ontario Nat. Sci. Bull. 4: 51-53 51 1908.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:69072-2
.