| australia | queensland | uncultured plectonema sp. | species | 1 | 0 |
| australia | western australia | plectonema | genus | 0 | 2 |
| australia | western australia | plectonema sp. hpc-4 | species | 1 | 0 |
| australia | western australia | plectonema sp. hpc-49 | species | 1 | 0 |
| australia | western australia | plectonema sp. hpc-5 | species | 1 | 0 |
| australia | western australia | plectonema sp. hpc-57 | species | 1 | 0 |
| australia | western australia | plectonema sp. hpc-7 | species | 1 | 0 |
| australia | western australia | uncultured plectonema sp. | species | 2 | 0 |
| brazil | | plectonema sp. ccg29 | species | 1 | 0 |
| brazil | | plectonema sp. ccg32 | species | 1 | 0 |
| brazil | | plectonema sp. ccg38 | species | 1 | 0 |
| french polynesia | | plectonema cf. battersii kopara-gf | no rank | 1 | 0 |
| french polynesia | | plectonema cf. golenkinianum kopara-ff | no rank | 1 | 0 |
| india | | plectonema terebrans alu pbc3 | no rank | 1 | 0 |
| india | | uncultured plectonema sp. | species | 6 | 0 |
| japan | hokkaido prefecture | uncultured plectonema sp. | species | 1 | 0 |
| kuwait | | uncultured plectonema sp. | species | 1 | 0 |
| kuwait | jahra governorate | uncultured plectonema sp. | species | 1 | 0 |
| mexico | baja california | plectonema | genus | 0 | 1 |
| mexico | guerrero | plectonema | genus | 0 | 1 |
| portugal | | plectonema cf. radiosum lege 06105 | no rank | 3 | 0 |
| romania | bihor county | uncultured plectonema sp. | species | 1 | 0 |
| sri lanka | | plectonema sp. ag4 | species | 1 | 0 |
| sri lanka | | plectonema sp. kt57 | species | 1 | 0 |