| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | (with rotifers) Lake Terrell, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | (without rotifers) Lake Whatcom, IWS water quality sampling site, Whatcom County, WA; Common |