| Malvaceae | |
Hibiscadelphus bombycinus
| C.N. Forbes | | |
| Malvaceae | |
Hibiscadelphus crucibracteatus
| Hobdy | Occas. Pap. Bernice Pauahi Bishop Mus. 25: 1 | 1984 |
| Malvaceae | |
Hibiscadelphus distans
| L.E. Bishop & D.R. Herbst | Brittonia 25(3): 290 | 1973 |
| Malvaceae | |
Hibiscadelphus giffardianus
| Rock | Hawaii, Board Agric.Div.For.Bot.bBull. 10 | 1911 |
| Malvaceae | |
Hibiscadelphus hualalaiensis
| Rock | Hawaii, , Board Agric.Div.For.Bot.Bull. 14 | 1911 |
| Malvaceae | |
Hibiscadelphus stellatus
| H. Oppenh., Bustamente & Perlman | PhytoKeys 39: 67 | 2014 |
| Malvaceae | |
Hibiscadelphus wilderanus
| Rock | | |
| Malvaceae | |
Hibiscadelphus wilderianus
| Rock | Bot. Bull. Div. Forest. Board Commiss. Agric. Forest. 1: 12 | 1911 |
| Malvaceae | |
Hibiscadelphus woodii
| Lorence & W.L. Wagner | Novon 5(2): 183, f. 1 | 1995 |