⚠ Version 1 of The Plant List has been superseded.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 mortonis in version 1.1 of The Plant List.
This name is a synonym of Crataegus florifera var. mortonis .
The record derives from Tropicos which reports it as a synonym (record 50320169
) with original publication details: Phytologia 5(4): 122-126, f. s.n [p. 126] 122 1955.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:68648-2
.