.
| Genus | |
|---|---|
| Iacovielloara auct. | |
| Ianara M.Clark | |
|
Ianclarkara J.M.H.Shaw |
|
Ichijoara J.M.H.Shaw |
|
Ilonara J.M.H.Shaw |
| Imerinaea Schltr. | |
| Ingeara | |
| Ingramara J.M.H.Shaw | |
| Ionettia auct. | |
|
Ionmesa J.M.H.Shaw |
| Ionmesettia J.M.H.Shaw | |
| Ionocentrum J.M.H.Shaw | |
|
Ionocidium auct. |
| Ionomesidium | |
|
Ionopsis Kunth |
| Ionparettichilum J.M.H.Shaw | |
|
Ionumnia J.M.H.Shaw |
|
Ipsea Lindl. |
| Ipseglottis P.C.S.Kumar & C.S.Kumar | |
| Irvingara auct. | |
|
Isabelia Barb.Rodr. |
| Isadendrum J.M.H.Shaw | |
| Isaoara auct. | |
| Ischnogyne Schltr. | |
|
Isochilus R.Br. |
|
Isotria Raf. |
| Iwanagara auct. | |
|
Ixyophora Dressler |
| Izumiara auct. |