Common name(s): Tiny bluet
Category: Genus Houstonia
Houstonia longifolia
Common name(s): Long-leaved bluet
Houstonia caerulea
Common name(s): Azure bluet
Houstonia purpurea
Common name(s): Purple bluet
Wildflowers of the National Capital Region
Discovering wildflowers in Maryland, Washington D.C., and Northern Virginia
Common name(s): Tiny bluet
Common name(s): Long-leaved bluet
Common name(s): Azure bluet
Common name(s): Purple bluet