| gomphonema subclavatum var. mexicanum | | USA: Georgia | | 725654856 |
| gomphonema subclavatum var. mexicanum | | USA: Georgia | | 725655056 |
| gomphonema subclavatum var. mexicanum | | USA: Georgia | | 725655291 |
| gomphonema subclavatum var. mexicanum | | USA: Georgia | | 725655502 |
| gomphonema subclavatum var. mexicanum | | USA: Georgia | | 725655726 |