1/4
Oscillatoria cf. tenuis Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Hop Brook Pond on southeast edge of Dutton Rd., Sudbury, MA |
2/4
Oscillatoria cf. tenuis Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Hop Brook Pond on southeast edge of Dutton Rd., Sudbury, MA |
3/4
Oscillatoria cf. tenuis Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Hop Brook Pond on southeast edge of Dutton Rd., Sudbury, MA |
4/4
Oscillatoria cf. tenuis Gomont
| Order: | Oscillatoriales |
| Family: | Oscillatoriaceae |
| Ecology: | Hop Brook Pond on southeast edge of Dutton Rd., Sudbury, MA |