| Order: | Nostocales |
| Family: | Aphanizomenonaceae |
| Formerly: | Anabaena planctonica Brunnthaler |
| Ecology: | Lake Padden, IWS water quality sampling site, Whatcom County, WA |
| Order: | Nostocales |
| Family: | Aphanizomenonaceae |
| Formerly: | Anabaena planctonica Brunnthaler |
| Ecology: | Heart Lake, IWS water quality sampling site, Skagit County, WA |
| Order: | Nostocales |
| Family: | Aphanizomenonaceae |
| Formerly: | Anabaena planctonica Brunnthaler |
| Ecology: | Big Lake, IWS water quality sampling site, Skagit County, WA |