| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 475, 476, 477 | Hydrophyllaceae | Phacelia congesta Hooker | tricolpate | reticulate |
| 478, 479 | Boraginaceae | Ehretia anacua (Teran & Berlandier) I. Johnston | tricolporate | striate |
| 480 | Apiaceae | Ammi majus L. | tricolporate | striate |