| china | | uncultured herpetosiphon sp. | species | 1 | 0 |
| china | hunan | uncultured herpetosiphon sp. | species | 10 | 0 |
| germany | | herpetosiphon giganteus | species | 1 | 0 |
| germany | | herpetosiphon gulosus | species | 2 | 0 |
| germany | lower saxony | herpetosiphon sp. | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured herpetosiphon sp. | species | 2 | 0 |
| mexico | baja california | herpetosiphon geysericola | species | 94 | 0 |
| nepal | | herpetosiphon giganteus | species | 2 | 0 |
| nigeria | | uncultured herpetosiphon sp. | species | 2 | 0 |
| norway | | uncultured herpetosiphon sp. | species | 1 | 0 |
| united states | | herpetosiphon giganteus | species | 1 | 0 |
| united states | utah | uncultured herpetosiphon sp. | species | 1 | 0 |