| Reported in | Status | Registered by | ||
|---|---|---|---|---|
| Anabaena constricta | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena cylindrica | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena gelatinicola | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena inaequalis | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena iyengarii | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena lapponica | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena laxa | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena lutea | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena miniata | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena minutissima | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena oscillarioides T | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena sphaerica | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena subcylindrica | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena subtropica | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena tenericaulis | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaena torulosa | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaenopsis | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaenopsis abijatae | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaenopsis ballygungii | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaenopsis circularis | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anabaenopsis elenkinii T | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anathece | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anathece clathrata T | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Ancylothrix | ||||
| Ancylothrix rivularis T | ||||
| Ancylothrix terrestris | Unknown | Valid (ICNafp) | Excubia bot over 4 years ago | |
| Anthocerotibacter | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anthocerotibacter panamensis T | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Anthocerotibacteraceae | Unknown | Valid (ICNafp) | Excubia bot over 2 years ago | |
| Aphanizomenaceae |