"iris hexagona" is the oldest discovered louisiana iris species. in 1788, the species was named in south carolina. confusion in recognizing the iris is often intertwined with "iris giganticaerula". "iris hexagona" can also be found in south carolina and florida. in louisiana, the species "iris hexagona" is debated to derive from "iris giganticaerula" or of the same plant species habitating in its other natural states. there are noticeable differences in blooms, color, and shape when comparing the florida species and south carolina species and taxonomists are still determining the difference in classification. "iris hexagona" located in louisiana dwell in wet areas of full or half shade, more specifically ditches, canals, swamps, and slow flowing streams.