| Genus Name | Genus | Grex Name | Year | Author | |
|---|---|---|---|---|---|
| Add+ | Aerangis | Aergs | hariotiana | 2012 | (Kraenzl.) P.J.Cribb & Carlsward |
| Add+ | Chamaeangis | Cmg | hariotiana | 1918 | (Kraenzl.) Schltr. |
| Add+ | Saccolabium | Slm | hariotianum | 1907 | (Kraenzl.) Finet |
| Add+ | Mystacidium | Mycdm | hariotianum | 1897 | Kraenzl. |