Houstonia tenuifolia Nuttall ex A. Gray
Houstonia tenuifolia Nuttall ex A. Gray is a synonym sensu Terrell, 1996 of:
Houstonia longifolia Gaertner, an accepted species name sensu Terrell, 1996.
Houstonia tenuifolia Nuttall ex A. Gray is a synonym sensu Terrell, 1996 of:
Houstonia longifolia Gaertner, an accepted species name sensu Terrell, 1996.