| nitzschia sp. bold:aao7111 | | USA: Oklahoma, Great Salt Plains, inland | | 309253341 |
| nitzschia sp. bold:aao7111 | | USA: Oklahoma, Great Salt Plains, inland | | 309399611 |
| nitzschia sp. bold:aao7111 | | USA: Oklahoma, Great Salt Plains, inland | | 311700517 |
| nitzschia sp. bold:aao7111 | | USA: Oklahoma, Great Salt Plains, inland | | 310690200 |