(Houstonia caerulea)

Houstonia caerulea is a species in the Houstonia genus. This name is accepted name for the species in the family Rubiaceae subfamily Rubioideae, tribe Spermacoceae, . . This species is found in Alabama, Arkansas, Connecticut, Iowa, Kentucky, Louisiana, Maryland, Mississippi, Missouri, New Brunswick, New Hampshire, New York, Newfoundland, Nova Scotia, Québec, Tennessee, Vermont, Virginia, Wisconsin.