1/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
2/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
3/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
4/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
5/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
6/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
7/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
8/97

Petalonema alatum Kirchner

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common here
9/97

Petalonema densum Migula

Order: Nostocales
Family: Scytonemataceae
Ecology: Carpenter Rd. Ravine, Burdett, NY
10/97

Petalonema densum Migula

Order: Nostocales
Family: Scytonemataceae
Ecology: Carpenter Rd. Ravine, Burdett, NY
11/97

Petalonema densum Migula

Order: Nostocales
Family: Scytonemataceae
Ecology: Carpenter Rd. Ravine, Burdett, NY
12/97

Petalonema densum Migula

Order: Nostocales
Family: Scytonemataceae
Ecology: Carpenter Rd. Ravine, Burdett, NY
13/97

Petalonema densum Migula

Order: Nostocales
Family: Scytonemataceae
Ecology: Carpenter Rd. Ravine, Burdett, NY
14/97

Petalonema densum Migula

Order: Nostocales
Family: Scytonemataceae
Ecology: Carpenter Rd. Ravine, Burdett, NY
15/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
16/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
17/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
18/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
19/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
20/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
21/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
22/97

Petalonema incrustans Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Green River Valley, Leyden, MA. With Trentepohlia aurea
23/97

Scytonema coactile Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Wallace Pond, Ashburnham, MA (tychoplankton)
24/97

Scytonema coactile Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Wallace Pond, Ashburnham, MA (tychoplankton)
25/97

Scytonema coactile Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Wallace Pond, Ashburnham, MA (tychoplankton)
26/97

Scytonema coactile Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Wallace Pond, Ashburnham, MA (tychoplankton)
27/97

Scytonema coactile Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Wallace Pond, Ashburnham, MA (tychoplankton)
28/97

Scytonema crispum Bornet

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
29/97

Scytonema crispum Bornet

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
30/97

Scytonema crispum Bornet

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
31/97

Scytonema crispum Bornet

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
32/97

Scytonema crispum Bornet

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
33/97

Scytonema crispum Bornet

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
34/97

Scytonema crispum Bornet

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
35/97

Scytonema crispum Bornet

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
36/97

Scytonema crispum Bornet

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
37/97

Scytonema crispum Bornet

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
38/97

Scytonema crispum Bornet

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
39/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
40/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
41/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
42/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
43/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
44/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
45/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
46/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
47/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
48/97

Scytonema hofmannii Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Jane E. Hardy preserve (Cornell U.), Ithaca or Enfield, NY. Common but usually overlooked.
49/97

Scytonema javanicum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses
50/97

Scytonema javanicum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses
51/97

Scytonema javanicum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses
52/97

Scytonema javanicum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Uncommon throughout the area but occasionally associated with mosses
53/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
54/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
55/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
56/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
57/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
58/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
59/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
60/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
61/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
62/97

Scytonema mirabile Bornet

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park (upper side), Ithaca NY. Common in this area
63/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
64/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
65/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
66/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
67/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
68/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
69/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
70/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
71/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
72/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
73/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
74/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
75/97

Scytonema myochrous Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Robert Treman State Park, Ithaca NY. Common throughout the area
76/97

Scytonema ocellatum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England
77/97

Scytonema ocellatum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England
78/97

Scytonema ocellatum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England
79/97

Scytonema ocellatum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England
80/97

Scytonema ocellatum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England
81/97

Scytonema ocellatum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England
82/97

Scytonema ocellatum Bornet et Flahault

Order: Nostocales
Family: Scytonemataceae
Ecology: Van Buskirk Gorge on van Buskirk Rd., Newfield NY. Not uncommon on mosses in New England
83/97

Scytonema tolypothrichoides Kützing

Order: Nostocales
Family: Scytonemataceae
Ecology: Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT
84/97

Scytonema tolypothrichoides Kützing

Order: Nostocales
Family: Scytonemataceae
Ecology: Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT
85/97

Scytonema tolypothrichoides Kützing

Order: Nostocales
Family: Scytonemataceae
Ecology: Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT
86/97

Scytonema tolypothrichoides Kützing

Order: Nostocales
Family: Scytonemataceae
Ecology: Bigelow Brook, just below the bridge on Boston Hollow Rd., Ashford, CT
87/97

Scytonematopsis crustacea Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Halibut Point, Cape Ann, MA (marine)
88/97

Scytonematopsis crustacea Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Halibut Point, Cape Ann, MA (marine)
89/97

Scytonematopsis crustacea Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Halibut Point, Cape Ann, MA (marine)
90/97

Scytonematopsis crustacea Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Halibut Point, Cape Ann, MA (marine)
91/97

Scytonematopsis crustacea Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Halibut Point, Cape Ann, MA (marine)
92/97

Scytonematopsis starmachii Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Algonquin Peak, North Elbe, NY; on Racomitrium
93/97

Scytonematopsis starmachii Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Algonquin Peak, North Elbe, NY; on Racomitrium; with Stigonema
94/97

Scytonematopsis starmachii Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Algonquin Peak, North Elbe, NY; on Racomitrium
95/97

Scytonematopsis starmachii Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Algonquin Peak, North Elbe, NY; on Racomitrium
96/97

Scytonematopsis starmachii Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Algonquin Peak, North Elbe, NY; on Racomitrium
97/97

Scytonematopsis starmachii Kováĉik et Komárek

Order: Nostocales
Family: Scytonemataceae
Ecology: Algonquin Peak, North Elbe, NY; on Racomitrium