⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-28101667, and has not been changed.
This name is a synonym of Zanthoxylum spinosum subsp. hartii (Krug & Urb.) Reynel.
The record derives from Tropicos which reports it as a synonym (record 28101667) with original publication details: Bull. Torrey Bot. Club 37: 85 85 1910.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:270680-2.