1/3
Hassalia byssoidea Bornet et Flahault
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Ecology: | Dripping calcareous rocks in the Green River Gorge, Leyden, MA |
2/3
Hassalia byssoidea Bornet et Flahault
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Ecology: | Dripping calcareous rocks in the Green River Gorge, Leyden, MA |
3/3
Hassalia byssoidea Bornet et Flahault
| Order: | Nostocales |
| Family: | Tolypothrichaceae |
| Ecology: | Dripping calcareous rocks in the Green River Gorge, Leyden, MA |