| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Small stream/pond on trail to Stewart Mountain, Bellingham area, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Small stream/pond on trail to Stewart Mountain, Bellingham area, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Small stream/pond on trail to Stewart Mountain, Bellingham area, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Small stream/pond on trail to Stewart Mountain, Bellingham area, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Small stream/pond on trail to Stewart Mountain, Bellingham area, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Diablo Lake, Ross Lake National Recreation Area, Skamania County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Diablo Lake, Ross Lake National Recreation Area, Skamania County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Diablo Lake, Ross Lake National Recreation Area, Skamania County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Dripping rocks at the head of the Great Gulf Trail, near the summit of Mt. Washington, NH. Note that this species may be moved to genus Godlewskia Janczewski |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Dripping rocks at the head of the Great Gulf Trail, near the summit of Mt. Washington, NH. Note that this species may be moved to genus Godlewskia Janczewski |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Dripping rocks at the head of the Great Gulf Trail, near the summit of Mt. Washington, NH. Note that this species may be moved to genus Godlewskia Janczewski |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Dripping rocks at the head of the Great Gulf Trail, near the summit of Mt. Washington, NH. Note that this species may be moved to genus Godlewskia Janczewski |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Dripping rocks at the head of the Great Gulf Trail, near the summit of Mt. Washington, NH. Note that this species may be moved to genus Godlewskia Janczewski |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Chamber's Lake, Olympia area, Thurston County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Chamber's Lake, Olympia area, Thurston County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Bridal Veil Falls outlet and seeps (on trail to Lake Serene), Mt. Loop Hwy, Snohomish County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Bridal Veil Falls outlet and seeps (on trail to Lake Serene), Mt. Loop Hwy, Snohomish County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Small residential pond on Valley Circle Drive, Snohomish County |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Small residential pond on Valley Circle Drive, Snohomish County |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Freshwater aquarium, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Lake Terrell, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Lake Terrell, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | York Street storm water treatment pond, Bellingham area, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Heart Lake, IWS water quality sampling site, Skagit County, WA |
| Order: | Synechococcales |
| Family: | Chamaesiphonaceae |
| Ecology: | Heart Lake, IWS water quality sampling site, Skagit County, WA |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Lake Terrell, IWS water quality sampling site, Whatcom County, WA; Common |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Lake Terrell, IWS water quality sampling site, Whatcom County, WA; Common |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Lake Terrell, IWS water quality sampling site, Whatcom County, WA; Common |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Lake Terrell, IWS water quality sampling site, Whatcom County, WA; Common |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Lake Whatcom, IWS water quality sampling site, Whatcom County; Common |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Lake Whatcom, IWS water quality sampling site, Whatcom County; Common |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Lake Whatcom, IWS water quality sampling site, Whatcom County; Common |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Prospect Park, NYC |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Prospect Park, NYC |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Prospect Park, NYC |
| Order: | Synechococcales |
| Family: | Coleosphaeriaceae |
| Ecology: | Prospect Park, NYC |
| Order: | Synechococcales |
| Family: | Heteroleibleiniaceae |
| Ecology: | Plum Island Sound near Rowley, MA (marine) |
| Order: | Synechococcales |
| Family: | Heteroleibleiniaceae |
| Ecology: | Plum Island Sound near Rowley, MA (marine) |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Ecology: | Bathroom sink, Stow, MA. |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Ecology: | Bathroom sink, Stow, MA. |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Ecology: | Bathroom sink, Stow, MA. |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Formerly: | Microcoleus acutissimus N. L. Gardner |
| Ecology: | wet calcareous rock wall, entrance to Watkins Glen gorge, Watkins Glen, NY. |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Formerly: | Microcoleus acutissimus N. L. Gardner |
| Ecology: | wet calcareous rock wall, entrance to Watkins Glen gorge, Watkins Glen, NY. |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Formerly: | Microcoleus acutissimus N. L. Gardner |
| Ecology: | wet calcareous rock wall, entrance to Watkins Glen gorge, Watkins Glen, NY. |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Formerly: | Microcoleus acutissimus N. L. Gardner |
| Ecology: | wet calcareous rock wall, entrance to Watkins Glen gorge, Watkins Glen, NY. |
| Order: | Synechococcales |
| Family: | Leptolyngbyaceae |
| Formerly: | Microcoleus acutissimus N. L. Gardner |
| Ecology: | wet calcareous rock wall, entrance to Watkins Glen gorge, Watkins Glen, NY. |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Lake Evan, IWS water quality sampling site, Snohomish County, WA |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Lake Evan, IWS water quality sampling site, Snohomish County, WA |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Lake Evan, IWS water quality sampling site, Snohomish County, WA |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Chickering Bog, VT |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Chickering Bog, VT |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Delaney Pond, Stow, MA; Common |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Delaney Pond, Stow, MA; Common |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Delaney Pond, Stow, MA; Common |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Delaney Pond, Stow, MA |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Merismopedia (golden color) with Eucapsis; Lake Evan, IWS water quality sampling site, Snohomish County, WA |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Green River, Leyden, MA on Tolypothrix penicillata |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Green River, Leyden, MA on Tolypothrix penicillata |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Green River, Leyden, MA on Tolypothrix penicillata |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Green River, Leyden, MA on Tolypothrix penicillata |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Green River, Leyden, MA on Tolypothrix penicillata |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Green River, Leyden, MA on Tolypothrix penicillata |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Beaver Lake, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Beaver Lake, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Merismopediaceae |
| Ecology: | Beaver Lake, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Spillway at the old Future Electronics, Stow, MA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Spillway at the old Future Electronics, Stow, MA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Spillway at the old Future Electronics, Stow, MA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Spillway at the old Future Electronics, Stow, MA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Spillway at the old Future Electronics, Stow, MA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Lake Whatcom, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Lake Whatcom, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Lake Fazon, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Lake Fazon, IWS water quality sampling site, Whatcom County, WA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Grandy Lake, IWS water quality sampling site, Skagit County, WA |
| Order: | Synechococcales |
| Family: | Pseudanabaenaceae |
| Ecology: | Grandy Lake, IWS water quality sampling site, Skagit County, WA |
| 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 |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Deerfield River, Charlemont, MA |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Townsend State Forest, Dead Swamp Trail; Common in wet depressions on trails |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Townsend State Forest, Dead Swamp Trail; Common in wet depressions on trails |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Townsend State Forest, Dead Swamp Trail; Common in wet depressions on trails |
| Order: | Synechococcales |
| Family: | Schizotrichaceae |
| Ecology: | Townsend State Forest, Dead Swamp Trail; Common in wet depressions on trails |
| Order: | Synechococcales |
| Family: | Synechococcaceae |
| Ecology: | Lake Whatcom, IWS water quality sampling site, Whatcom County, WA; Common |
| Order: | Synechococcales |
| Family: | Synechococcaceae |
| Ecology: | Lake Whatcom, IWS water quality sampling site, Whatcom County, WA; Common |
| Order: | Synechococcales |
| Family: | Synechococcaceae |
| Ecology: | Lake Samish, IWS water quality sampling site, Whatcom County |
| Order: | Synechococcales |
| Family: | Synechococcaceae |
| Ecology: | Lake Samish, IWS water quality sampling site, Whatcom County |
| Order: | Synechococcales |
| Family: | Synechococcaceae |
| Ecology: | Lake Samish, IWS water quality sampling site, Whatcom County |
| Order: | Synechococcales |
| Family: | Synechococcaceae |
| Ecology: | Small ponds (tarns) on trail to Dock Butte, North Cascades along Hwy 20 |
| Order: | Synechococcales |
| Family: | Synechococcaceae |
| Ecology: | Small ponds (tarns) on trail to Dock Butte, North Cascades along Hwy 20 |