Total of Records 58
| 1 | 2 |
| Species Name | Author | Family Name |
|---|---|---|
| Ochanostachys amentacea | Mast | Olacaceae |
| Ochreinauclea maingayi | (Hook.f.) Ridsd. | Rubiaceae |
| Ochrocarpus excelsus | Vesque | Guttiferae |
| Ochroma pyramidale | (Cav. ex Lam.) Urb. | Bombacacea |
| Ochroma sp. | Sw. | Bombacacea |
| Ochroma tomentosa | Willd. | Bombacacea |
| Ochrosia acuminata | Trimen | Apocynaceae |
| Ochrosia ficifolia | Mgf | Apocynaceae |
| Ochrosia glomerata | Val. | Apocynaceae |
| Ochrosia oppositifolia | K. Schumm | Apocynaceae |
| Ocotea barcellensis | Mez | Lauracea |
| Ocotea bullata | E.Mey | Lauracea |
| Ocotea canaliculata | (Rich.) Mez | Lauracea |
| Ocotea comoriensis | Lauracea | |
| Ocotea coriacea | (Sw.) Britt. | Lauracea |
| Ocotea guianensis | Aublet | Lauracea |
| Ocotea leucoxylon | Gomez de la Maza | Lauracea |
| Ocotea neesiana | (Miq.) Kosterm | Lauracea |
| Ocotea porosa | (Nees & Mart.)L.Barroso | Lauracea |
| Ocotea puberula | Nees | Lauracea |
| Ocotea rubra | Mez | Lauracea |
| Ocotea spp. | Aubl. | Lauracea |
| Ocotea usambarensis | Engl. | Lauracea |
| Ocotea wachenheimii | R. Benoist | Lauracea |
| Octomeles sumatrana | Miq. | Datiscaceae |
| Olea capensis | L | Oleaceae |
| Olea europaea ssp.africana | (Mill.) P. S. Green | Oleaceae |
| Olea hochstetteri | (A. Chev.) Baker | Oleaceae |
| Olea javanica | Knobl. | Oleaceae |
| Olea paniculata | R. Br. | Oleaceae |
| Olea welwitschii | (Knobl.) Gilg. & Schell | Oleaceae |
| Olearia sp. | Compositae | |
| Omalathus populneus | (Geiseler) Pax | Euphorbiaceae |
| Oncosperma sp | Blume | Palmae |
| Ongokea gore | (Hua) Pierre | Olacaceae |
| Onychopetalum amazonicum | R.E.Fr. | Annonaceae |
| Opocunonia kaniensis | Schltr | Cunoniaceae |
| Opocunonia papuana | Kaneh et Hatus | Cunoniaceae |
| Ormosia paraensis | Ducke | Leguminosae |
| Ormosia bancana | (Miq.) Merr | Leguminosae |
| Ormosia calavensis | Azoala ex Blanco | Leguminosae |
| Ormosia macrodisca | Baker | Leguminosae |
| Ormosia monosperma | (Sw.) Urb. | Leguminosae |
| Ormosia semicastrata | Hance | Leguminosae |
| Ormosia sp. | Jacks., nom. cons. | Leguminosae |
| Ormosia sumatrana | Prain. | Leguminosae |
| Orophea sp. | Blume | Annonaceae |
| Oroxylon indicum | Vent | Bignoniaceae |
| Osbornia octodonta | F.v. Mueller | Myrtaceae |
| Osmelia grandistipulata | V. Sl | Annonaceae |