Plant Genus A-Z
Click on any genus below to see a list of plants in that genus.
| Iberis |  |
| Ilex | |
| Illicium | |
| Impatiens | |
| Imperata | |
| Incarvillea | |
| Indigofera | |
| Indocalamus | |
| Inula | |
| Iochroma | |
| Ipheion | |
| Ipomoea | |
| Iresine | |
| Iris | |
| Isatis | |
| Ischyrolepis | |
| Isolepis | |
| Isoplexis | |
| Isotoma | |
| Itea | |
| Ixia | |
| Ixora | |
