| Order: | Nostocales |
| Family: | Aphanizomenonaceae |
| Formerly: | Anabaena circinalis Bornet et Flahault |
| Ecology: | Lake Fazon, IWS water quality sampling site, Whatcom County, WA |
| Order: | Nostocales |
| Family: | Aphanizomenonaceae |
| Formerly: | Anabaena circinalis Bornet et Flahault |
| Ecology: | Bullard Pond, Whatcom County, WA |
| Order: | Nostocales |
| Family: | Aphanizomenonaceae |
| Formerly: | Anabaena circinalis Bornet et Flahault |
| Ecology: | Lake Fazon, IWS water quality sampling site, Whatcom County, WA |