| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527448 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527446 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527444 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527396 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527394 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527392 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527344 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527340 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527342 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527496 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527498 |
| ludwigia grandiflora subsp. grandiflora | | USA: San Diego River, California | | 575527500 |