The record derives from TICA
(data supplied on )
which reports it as a synonym (record
03C50437-49F6-474C-914A-33B2CFBC45F7) with original publication details: Repert. Spec. Nov. Regni Veg. Beih. 20: 135. 1923 135 1923.
Full publication details for this name can be found in IPNI:
This name record (from TICA) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Xanthium spinosum in version 1 of The Plant List.