1/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
2/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
3/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
4/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
5/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
6/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
7/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
8/8
Petalonema incrustans Komárek
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |