GÊNERO |
ABREVIAÇÃO |
COMPOSIÇÃO |
| Ione | Ione* | Natural |
| Ionettia | Intta | Comp x Inps |
| Ionocidium | Incdm | Inps x Onc |
| Ionopsis | Inps | Natural |
| Irvingara | Irv | Arach x Ren x Trgl |
| Isabelia | Isblia | Natural |
| Isaoara | Isr | Aer x Asctm x Phal x V |
| Isochilus | Ischls | Natural |
| Iwanagara | Iwan | B x C x Diacm x L |
| Izumiara | Izma | C x Epi x L x Schom x Soph |
| Jacquiniella | Jacqnl | Natural |
| Jewellara | Jwa | Bro x C x Epi x L |
| Jimenezara | Jmzra | Bro x L x Lps |
| Joannara | Jnna | Ren x Rhy x V |
| Johnkellyara | Jkl | Brs x Lchs x Onc x Rdza |
| Johnyeeara | Jya | B x C x Epi x L x Schom x Soph |
| Jumanthes | Jmth | Aerth x Jum |
| Jumellea | Jum | Natural |
| Kagawara | Kgw | Asctm x Ren x V |
| Kalimpongia | Kalpg* | Natural |
| Kanzerara | Kza | Chdrh x Prom x Z |
| Kawamotoara | Kwmta | B x C x Dga x Epi x L |
| Keferanthes | Kefth | Cnths x Kefst |
| Kefersteinia | Kefst | Natural |
| Keforea | Kfr | Kefst x Pes |
| Kegeliella | Kegel | Natural |
| Kingidium | Kngdm | Natural |
| Kingiella | King | Natural |
| Kippenara | Kpa | Asctm x Dor x Rhy x V |
| Kirchara | Kir | C x Epi x L x Soph |
| Klehmara | Klma | Diacm x L x Schom |
| Knappara | Knp | Asctm x Rhy x V x Vdps |
| Knudsonara | Knud | Asctm x Neof x Ren x Rhy x V |
| Koellensteinia | Koell | Natural |
| Komkrisara | Kom | Asctm x Ren x Rhy |
| Konantzia | Knntz | Natural |
| Kraussara | Krsa | Bro x C x Diacm x Lps |
| Kriegerara | Kgra | Ada x Cda x Odm x Onc |