| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common here |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Carpenter Rd. Ravine, Burdett, NY |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Carpenter Rd. Ravine, Burdett, NY |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Carpenter Rd. Ravine, Burdett, NY |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Carpenter Rd. Ravine, Burdett, NY |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Carpenter Rd. Ravine, Burdett, NY |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Carpenter Rd. Ravine, Burdett, NY |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Green River Valley, Leyden, MA. With Trentepohlia aurea |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Wallace Pond, Ashburnham, MA (tychoplankton) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Wallace Pond, Ashburnham, MA (tychoplankton) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Wallace Pond, Ashburnham, MA (tychoplankton) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Wallace Pond, Ashburnham, MA (tychoplankton) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Wallace Pond, Ashburnham, MA (tychoplankton) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | From rocks below the bridge at Forest Home Park, Ithaca, NY. Calcareous here but usually found in the tychoplankton of more neutral locals |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked. |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park (upper side), Ithaca NY. Common in this area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Robert Treman State Park, Ithaca NY. Common throughout the area |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Halibut Point, Cape Ann, MA (marine) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Halibut Point, Cape Ann, MA (marine) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Halibut Point, Cape Ann, MA (marine) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Halibut Point, Cape Ann, MA (marine) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Halibut Point, Cape Ann, MA (marine) |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Algonquin Peak, North Elbe, NY; on Racomitrium |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Algonquin Peak, North Elbe, NY; on Racomitrium; with Stigonema |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Algonquin Peak, North Elbe, NY; on Racomitrium |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Algonquin Peak, North Elbe, NY; on Racomitrium |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Algonquin Peak, North Elbe, NY; on Racomitrium |
| Order: | Nostocales |
| Family: | Scytonemataceae |
| Ecology: | Algonquin Peak, North Elbe, NY; on Racomitrium |