| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 559 | Asteraceae | Iva frutescens L. | tricolporate | echinate |
| 560 | Asteraceae | Solidago canadensis L. var scabra Torrey & Gray | tricolporate | echinate |
| 561, 562 | Asteraceae | Baccharis halimifolia L. | tricolporate | echinate |
| 563, 564 | Asteraceae | Aster sericeus Ventenat var. microphyllus DC. | tricolporate | echinate |