| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Small pond on Barlow Mill Rd. near Boston Hollow Rd., Ashford, CT |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Small pond on Barlow Mill Rd. near Boston Hollow Rd., Ashford, CT |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Small pond on Barlow Mill Rd. near Boston Hollow Rd., Ashford, CT |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Small pond on Barlow Mill Rd. near Boston Hollow Rd., Ashford, CT |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Soil bank by the railroad tracks leading to the Bear River, Shelburne Falls, MA |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Soil bank by the railroad tracks leading to the Bear River, Shelburne Falls, MA |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Soil bank by the railroad tracks leading to the Bear River, Shelburne Falls, MA |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Delaney Pond, Stow, MA; Common |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Ecology: | Delaney Pond, Stow, MA; Common |