| Name | Description |
|---|---|
| infundibular |
funnel-shaped |
| insignis |
remarkable |
| integer |
entire, untoothed |
| integra |
entire, untoothed |
| integrifolia |
leaves entire |
| integrifolius |
leaves entire |
| involucrata |
with a wrapper, covering |
| involucratus |
with a wrapper, covering |
| isophylla |
equal sized leaves |
| isophyllus |
equal sized leaves |
| labiatus |
lipped |
| laciniata |
deeply cut, lacy |
| laciniatus |
deeply cut, lacy |
| lactea |
milky |
| lacteus |
milky |
| lacustris |
growing by lakes or ponds |
| laevigata |
smooth |
| laevigatus |
smooth |
| laevis |
smooth |
| lanata |
woolly |
| lanatus |
woolly |
| lanosa |
woolly |
| lanosus |
woolly |
| lanuginosa |
downy |
| lanuginosus |
downy |