| persicaria posumbu | | USA: Maryland, Edgwater, Smithsonian Environmental Research Center, DSCTRL | | 825715506 |
| persicaria posumbu | | USA: Maryland, Edgwater, Smithsonian Environmental Research Center, DSCTRL | | 825715170 |
| persicaria posumbu | | USA: Maryland, Edgwater, Smithsonian Environmental Research Center, DSCTRL | | 822885534 |