1/13
Hapalosiphon hibernicus West et G. S. West
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Keyup Brook, Orange Road, Northfield, MA; Very common |
2/13
Hapalosiphon hibernicus West et G. S. West
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Keyup Brook, Orange Road, Northfield, MA; Very common |
3/13
Hapalosiphon hibernicus West et G. S. West
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Keyup Brook, Orange Road, Northfield, MA; Very common |
4/13
Hapalosiphon hibernicus West et G. S. West
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Keyup Brook, Orange Road, Northfield, MA; Very common |
5/13
Hapalosiphon hibernicus West et G. S. West
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Keyup Brook, Orange Road, Northfield, MA; Very common |
6/13
Hapalosiphon hibernicus West et G. S. West
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Keyup Brook, Orange Road, Northfield, MA; Very common |
7/13
Hapalosiphon hibernicus West et G. S. West
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Keyup Brook, Orange Road, Northfield, MA; Very common |
8/13
Hapalosiphon pumilus Bornet et Flahault
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Trout Brook Conservation area, Holden, MA; Common |
9/13
Hapalosiphon pumilus Bornet et Flahault
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Trout Brook Conservation area, Holden, MA; Common |
10/13
Hapalosiphon pumilus Bornet et Flahault
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Trout Brook Conservation area, Holden, MA; Common |
11/13
Hapalosiphon pumilus Bornet et Flahault
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Trout Brook Conservation area, Holden, MA; Common |
12/13
Hapalosiphon pumilus Bornet et Flahault
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Trout Brook Conservation area, Holden, MA; Common |
13/13
Hapalosiphon pumilus Bornet et Flahault
| Order: | Nostocales |
| Family: | Hapalosiphonaceae |
| Ecology: | Trout Brook Conservation area, Holden, MA; Common |