| Ricinocarpos unibracteatus (Müll. Arg.) Kuntze, 1891 |
| Ricinocarpos vagans (Cav.) Kuntze, 1891 |
| Ricinocarpos villosus (Jacq.) Kuntze, 1891 |
| Ricinus L., 1753 |
| Ricinus africanus Mill., 1768 |
| Ricinus americanus Mill., 1768 |
| Ricinus angulatus Thunb., 1815 |
| Ricinus armatus Andr., 1805 |
| Ricinus atropurpureus Pax & K. Hoffm., 1919 |
| Ricinus badius Rchb., 1829 |
| Ricinus borboniensis Pax & K. Hoffm., 1919 |
| Ricinus cambodgensis Benary, 1887 |
| Ricinus communis L., 1753 |
| Ricinus communis f. americanus Müll. Arg., 1866 |
| Ricinus communis f. argentatus T. Carvalho, 1956 |
| Ricinus communis f. argyratus T. Carvalho, 1956 |
| Ricinus communis f. atratus T. Carvalho, 1956 |
| Ricinus communis f. atrobrunneatus T. Carvalho, 1956 |
| Ricinus communis f. atrofulvatus T. Carvalho, 1956 |
| Ricinus communis f. atrofuscatus T. Carvalho, 1956 |