1/4
Oscillatoria princeps Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Bridge over Heath Hen Meadow Brook, Acton, MA |
2/4
Oscillatoria princeps Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Bridge over Heath Hen Meadow Brook, Acton, MA |
3/4
Oscillatoria princeps Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Bridge over Heath Hen Meadow Brook, Acton, MA |
4/4
Oscillatoria princeps Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Bridge over Heath Hen Meadow Brook, Acton, MA |