Houstonia purpurea var. tenuifolia (Nuttall) A. Gray
Houstonia purpurea var. tenuifolia (Nuttall) A. Gray is a synonym sensu Terrell, 1996 of:
Houstonia longifolia Gaertner, an accepted species name sensu FNA Ed. Comm., in prep. k.
Houstonia purpurea var. tenuifolia (Nuttall) A. Gray is a synonym sensu Terrell, 1996 of:
Houstonia longifolia Gaertner, an accepted species name sensu FNA Ed. Comm., in prep. k.