| OLACACEAE MIRB. EX DC. | Olax alliaceae (De Wild.) Vermoesen ex Boutique | | Olax gambecola Baill. | TA | 2009-08-17 | 2009-08-17 |
| OLACACEAE MIRB. EX DC. | Olax anceps (Oliv.) Roberty | | Ptychopetalum anceps Oliv. | TA | 2009-08-17 | 2009-08-17 |
| OLACACEAE MIRB. EX DC. | Olax andronensis Baker | | Olax dissitiflora Oliv. | MATA | | |
| OLACACEAE MIRB. EX DC. | Olax angustifolia Compère | | | TA | | |
| OLACACEAE MIRB. EX DC. | Olax antsiranensis Z.S.Rogers, Malécot & Sikes | | | MA | 2009-08-19 | 2009-08-19 |
| OLACACEAE MIRB. EX DC. | Olax aschersoniana Büttner | | | TA | | |
| OLACACEAE MIRB. EX DC. | Olax autraniana Pierre | | Olax triplinervia Oliv. | TA | | |
| OLACACEAE MIRB. EX DC. | Olax bernieriana Baill. | | Diospyros bernieriana (Baill.) H.Perrier | MA | 2010-02-01 | 2010-02-01 |
| OLACACEAE MIRB. EX DC. | Olax capuronii Z.S.Rogers, Malécot & Sikes | | | MA | 2009-08-19 | 2009-08-19 |
| OLACACEAE MIRB. EX DC. | Olax chariensis A.Chev. | nom. nud. | Olax subscorpioidea Oliv. var. subscorpioidea | TA | | 2009-03-16 |
| OLACACEAE MIRB. EX DC. | Olax denticulata Engl. | | Olax triplinervia Oliv. | TA | | |
| OLACACEAE MIRB. EX DC. | Olax dissitiflora Oliv. | | | MASATA | | |
| OLACACEAE MIRB. EX DC. | Olax durandii Engl. | | Olax subscorpioidea var. durandii (Engl.) Michaud | TA | | |
| OLACACEAE MIRB. EX DC. | Olax emirnensis Baker | | | MA | 2009-08-19 | 2009-08-19 |
| OLACACEAE MIRB. EX DC. | Olax gambecola auct. | | Olax subscorpioidea Oliv. var. subscorpioidea | TA | 2009-08-17 | 2009-08-17 |
| OLACACEAE MIRB. EX DC. | Olax gambecola Baill. | | | TA | | |
| OLACACEAE MIRB. EX DC. | Olax gilletii De Wild. | | Olax mannii Oliv. | TA | | |
| OLACACEAE MIRB. EX DC. | Olax glabriflora Danguy | | Olax thouarsii (DC.) Valeton | MA | 2009-08-19 | 2009-08-19 |
| OLACACEAE MIRB. EX DC. | Olax gossweileri Exell & Mendonça | | | TA | | |
| OLACACEAE MIRB. EX DC. | Olax humbertii Cavaco & Keraudren | | Olax madagascariensis (DC.) Valeton | MA | 2009-08-19 | 2009-08-19 |
| OLACACEAE MIRB. EX DC. | Olax insculpta Hutch. | | Olax mannii Oliv. | TA | | |
| OLACACEAE MIRB. EX DC. | Olax L. | | | MASATA | | 2008-12-26 |
| OLACACEAE MIRB. EX DC. | Olax lanceolata Cavaco & Keraudren | | | MA | 2009-08-19 | 2009-08-19 |
| OLACACEAE MIRB. EX DC. | Olax latifolia Engl. | | | TA | | |
| OLACACEAE MIRB. EX DC. | Olax laurentii (De Wild.) Engl. | | Olax subscorpioidea Oliv. var. subscorpioidea | TA | 2009-08-17 | 2009-08-17 |
