| Order: | Nostocales |
| Family: | Stigonemataceae |
| Ecology: | Mary Dunn Pond, Hyannis, MA along shoreline just above waterline; with Riccia h. sullivantii, Hapalosiphon pumilus, Gloeothece. |
| Order: | Nostocales |
| Family: | Stigonemataceae |
| Ecology: | Mary Dunn Pond, Hyannis, MA along shoreline just above waterline; with Riccia h. sullivantii, Hapalosiphon pumilus, Gloeothece. |
| Order: | Nostocales |
| Family: | Stigonemataceae |
| Ecology: | Mary Dunn Pond, Hyannis, MA along shoreline just above waterline; with Riccia h. sullivantii, Hapalosiphon pumilus, Gloeothece. |
| Order: | Nostocales |
| Family: | Stigonemataceae |
| Ecology: | Myrtle lake, IWS water quality sampling site, Snohomish County, WA |
| Order: | Nostocales |
| Family: | Stigonemataceae |
| Ecology: | Myrtle lake, IWS water quality sampling site, Snohomish County, WA |
| Order: | Nostocales |
| Family: | Stigonemataceae |
| Ecology: | seeps and standing water on trail to Lake Anderson, North Cascades along Hwy 20, Whatcom County |
| Order: | Nostocales |
| Family: | Stigonemataceae |
| Ecology: | seeps and standing water on trail to Lake Anderson, North Cascades along Hwy 20, Whatcom County |