Houstonia caerulea var. piersii J.H. Barbour
Houstonia caerulea var. piersii J.H. Barbour is a synonym sensu Terrell, 1996 of:
Houstonia caerulea Linnaeus, an accepted species name sensu Terrell, 1996.
Houstonia caerulea var. piersii J.H. Barbour is a synonym sensu Terrell, 1996 of:
Houstonia caerulea Linnaeus, an accepted species name sensu Terrell, 1996.