| Micrograph No. | Family | Scientific name and Author(s) | Aperturation | Ornamentation |
| 547 | Alismataceae | Echinodorus cordifolius (L.) Grisebach | periporate | echinate |
| 548 | Caprifoliaceae | Abelia x grandiflora (Andre) Rehder | tricolpate/stephanocolpate | echinate |
| 549 | Hydrocharitaceae | Egeria densa Planchon | monocolpate | echinate |
| 550 | Alismataceae | Sagittaria graminea Michaux | inaperturate | echinate |
| 551, 552 | Verbenaceae | Clerodendrum bungei Steudel | tricolpate | echinate |