| Echinopepon cirrhopedunculatus Rose, 1891 |
| Echinopepon confusus Rose, 1897 |
| Echinopepon coulteri (A. Gray) Rose, 1897 |
| Echinopepon floribundus (Cogn.) Rose, 1897 |
| Echinopepon gemellus (Ser.) A.K. Monro & Stafford, 1998 |
| Echinopepon glutinosus (Cogn.) A.K. Monro & Stafford, 1998 |
| Echinopepon horridus Naudin, 1866 |
| Echinopepon insularis Watson, 1889 |
| Echinopepon jaliscanus Rose, 1897 |
| Echinopepon lanatus Rose, 1897 |
| Echinopepon longispinus (Cogn.) Rose, 1897 |
| Echinopepon milleflorus Naudin, 1866 |
| Echinopepon minimus (Kellogg) S. Watson, 1889 |
| Echinopepon minimus var. peninsularis (Gentry) Stocking, 1955 |
| Echinopepon nelsonii Rose, 1897 |
| Echinopepon palmeri Watson, 1889 |
| Echinopepon paniculatus (Cogn.) Dieterle, 1976 |
| Echinopepon parvifolius Rose, 1897 |
| Echinopepon peninsularis Gentry, 1949 |
| Echinopepon pringlei Rose, 1897 |