| Ditassa juliani (Morillo) Morillo | R. L. Liesner 24740 | Venezuela. Amazonas. Atabapo Mun. Cerro Marahuaca, Summit on SE corner. | | 04185441 |  |
| Ditassa juliani (Morillo) Morillo | R. L. Liesner 25305 | Venezuela. Amazonas. Atabapo Mun. Cerro Marahuaca, Summit. SW side of center. | | 4185442 |  |
| Ditassa juliani (Morillo) Morillo | J. A. Steyermark 124432 | Venezuela. Amazonas. Atabapo Mun. Cerro Marahuaca, cumbre, sección noroccidental. | | 4185443 |  |
| Ditassa juliani (Morillo) Morillo | J. A. Steyermark 129093 | Venezuela. Amazonas. Atabapo Mun. Cerro Marahuaca: Cumbre, extremo sureste, alrededor de una lagunita. | | 4185444 |  |
| Ditassa juliani (Morillo) Morillo | J. A. Steyermark 130684 | Venezuela. Amazonas. Atabapo Mun. Cerro Marahuaca: summit on undulating plateau with islands of shrubs and Marahuacaea with stream branch leading to Salto de Monos and southeastern edge to Caño Iguapo, south and southeast of Summit Camp. | | 4185445 |  |