| Latin | English | Esperanto |
|---|---|---|
| Lagarostrobus franklinii | huon pine | lagarostrobo |
| Lagerstroemia indica | crepe myrtle | lagerstromo |
| Lambertia formosa | mountain devil | lambertio |
| Lantana camara | lantana | lantano |
| Larus | gull | laro; mevo |
| Larus bulleri | blackbill gull | nigrabeka mevo |
| Larus dominicanus | blackback gull | nigradorsa mevo |
| Larus novaehollandiae | redbill gull; silver gull | arĝenta mevo |
| Larus pacificus | pacific gull | pacifika mevo |
| Leipoa ocellata | malleefowl; lowan | lovano |
| Leptospermum scoparium | manuka | leptospermo |
| Leucosarcia melanoleuca | wonga pigeon | nigramakula kolombo |
| Lichenostomus leucotis | white-ear honeyeater | blankorela likenostomo |
| Limosa lapponica | godwit | strivosta limozo |
| Livistona australis | cabbage tree | Aŭstralia livistono |
| Loloium perenne | perennial rye | daŭra lolo |
| Lucilia cuprina | blue blowfly | lucilio |