Kingdom Plantae Family Rubiaceae Rank Species | Order Gentianales Genus Houstonia | |
Houstonia croftiae, the South Texas bluet or Croft's bluet, is a species of plants in the Rubiaceae. It is known only from 9 counties in southern Texas: Hidalgo, Starr, Zapata, Webb, La Salle, Duval, Jim Wells, Refugio and San Patricio).
References
Houstonia croftiae Wikipedia(Text) CC BY-SA