| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema floccosum Bornet & Flahault |
| Ecology: | Dirt filled crevice on rocks along the Deerfield River, east of Charlemont, MA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema floccosum Bornet & Flahault |
| Ecology: | Dirt filled crevice on rocks along the Deerfield River, east of Charlemont, MA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema floccosum Bornet & Flahault |
| Ecology: | Dirt filled crevice on rocks along the Deerfield River, east of Charlemont, MA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema floccosum Bornet & Flahault |
| Ecology: | Dirt filled crevice on rocks along the Deerfield River, east of Charlemont, MA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema floccosum Bornet & Flahault |
| Ecology: | Dirt filled crevice on rocks along the Deerfield River, east of Charlemont, MA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema wrangelii Bornet & Flahault |
| Ecology: | Chuckanut Creek, Bellingham area, Whatcom County, WA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema wrangelii Bornet & Flahault |
| Ecology: | Lake TwentyTwo, Mt. Loop Hwy, Snohomish County, WA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema wrangelii Bornet & Flahault |
| Ecology: | Lake TwentyTwo, Mt. Loop Hwy, Snohomish County, WA |
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Formerly: | Desmonema wrangelii Bornet & Flahault |
| Ecology: | Lake TwentyTwo, Mt. Loop Hwy, Snohomish County, WA |