| Ricinus communis f. tigrinus T. Carvalho, 1956 |
| Ricinus communis f. umbrinus T. Carvalho, 1956 |
| Ricinus communis f. venosus T. Carvalho, 1956 |
| Ricinus communis f. vinatus T. Carvalho, 1956 |
| Ricinus communis f. viridis (Willd.) Müll. Arg., 1866 |
| Ricinus communis f. zebrinus T. Carvalho, 1956 |
| Ricinus communis f. zollingeri Müll. Arg., 1866 |
| Ricinus communis f. zonatus T. Carvalho, 1956 |
| Ricinus communis subsp. indicus Popova & Moshkin, 1980 |
| Ricinus communis subsp. mexicanus Popova, 1931 |
| Ricinus communis subsp. persicus Popova, 1930 |
| Ricinus communis subsp. ruderalis Popova & Moshkin, 1980 |
| Ricinus communis subsp. sanguineus Popova, 1930 |
| Ricinus communis subsp. sinensis Hiltebr., 1935 |
| Ricinus communis subsp. zanzibarinus Popova, 1930 |
| Ricinus communis var. aegypticeus (Popova) Moshkin, 1980 |
| Ricinus communis var. africanus Müll. Arg., 1866 |
| Ricinus communis var. amblyocalyx Müll. Arg., 1866 |
| Ricinus communis var. armatus (Andr.) Müll. Arg., 1866 |
| Ricinus communis var. badius (Rchb.) Müll. Arg., 1866 |