⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-334528, with some changes.

Houstonia caerulea var. piersii Barbour is a synonym of Houstonia caerulea L.

This name is a synonym of Houstonia caerulea L..

The record derives from WCSP which reports it as a synonym (record 334528) with original publication details: Proc. & Trans. Nova Scotian Inst. Sci. 11: 558 1908.