O.J.Blanch. & Fryxell (Miq.) 2000 - Blanchard OJ, Fryxell PA (2000) Two New Subspecies of Hibiscus trilobus (Malvaceae) from Central and South America. Novon 10(3): 190. doi: 10.2307/3393098.
There is no corrections for Hibiscus trilobus subsp. ingratus yet.