Specimens are grouped into orders following Guiry and Guiry (2019) and Wehr et al. (2015).
Zygnematales
The unicellular forms of Zygnematales are known as saccoderm desmids (Graham et al. 2009).
Cylindrocystis
1. Cylindrocystis
800x
Rice Lake marsh #2
aquatic plant sample
8/7/10
pH 7.4, 21°C, 80 uS
aquatic plant sample
8/7/10
pH 7.4, 21°C, 80 uS
2. Cylindrocystis
800x
Perrault Bog
plant detritus sample
9/13/05
pH 5.1, 22.2°C
plant detritus sample
9/13/05
pH 5.1, 22.2°C
Mesotaenium
1. Mesotaenium
800x
Rice Lake from northern shore
aquatic plant sample
9/27/05
20°C
aquatic plant sample
9/27/05
20°C
2. Mesotaenium
800x
Perrault Bog
surface plankton tow
6/19/07
19.5°C
surface plankton tow
6/19/07
19.5°C
Mougeotia
1. Mougeotia
250x
Traverse River at Mohawk-Gay Rd
aquatic plant sample
9/27/05
19.5°C
aquatic plant sample
9/27/05
19.5°C
2. Mougeotia
250x
same as above
3. Mougeotia
640x
Arnheim Sloughs site #2
aquatic plant sample
5/27/10
22°C
aquatic plant sample
5/27/10
22°C
4. Mougeotia
250x
500x
pond east of Huron Lake
aquatic plant sample
10/16/07
aquatic plant sample
10/16/07
5. Mougeotia
800x
Snowmobile Trail 17 marsh #3
aquatic plant sample
7/15/10
pH 7.6, 25°C, 58 uS
aquatic plant sample
7/15/10
pH 7.6, 25°C, 58 uS
6. Mougeotia
640x
Osceola pond #1
aquatic plant sample
10/25/07
9°C
aquatic plant sample
10/25/07
9°C
7. Mougeotia
640x
Mohawk-Gay Rd marsh
floating algal mass
5/20/10
18°C
floating algal mass
5/20/10
18°C
Netrium
1. Netrium digitus
500x
500x
Perrault Bog
plant detritus sample
8/5/10
pH 6.0, 23°C, 34 uS
plant detritus sample
8/5/10
pH 6.0, 23°C, 34 uS
2. Netrium digitus
500x
500x
same as above
3. Netrium
500x
Perrault Bog
floating algal mass
6/17/10
pH 5.0, 23°C, 41 uS
floating algal mass
6/17/10
pH 5.0, 23°C, 41 uS
4. Netrium oblongum
640x
Perrault Bog
plant detritus sample
10/11/05
11.5°C
plant detritus sample
10/11/05
11.5°C
5. Netrium oblongum
640x
Perrault Bog
plant detritus sample
6/19/07
19.5°C
plant detritus sample
6/19/07
19.5°C
6. Netrium
800x
800x
Perrault Bog
plant detritus sample
10/23/07
plant detritus sample
10/23/07
Spirogyra
1. Spirogyra
250x
800x
pond east of Huron Lake
aquatic plant sample
10/16/07
aquatic plant sample
10/16/07
2. Spirogyra
250x
250x
Pike Bay from dock
aquatic plant sample
10/20/05
11.5°C
aquatic plant sample
10/20/05
11.5°C
3. Spirogyra
250x
250x
Nara Trail marsh
plant detritus sample
9/15/05
14°C
plant detritus sample
9/15/05
14°C
4. Spirogyra
250x
250x
Moyle Concrete pond
macro-algae attached to sediment
8/5/10
pH 9.4, 23°C, 483 uS
macro-algae attached to sediment
8/5/10
pH 9.4, 23°C, 483 uS
5. Spirogyra
250x
500x
old Laurium dump pond
plankton tow
7/1/10
pH 7.0, 17°C, 115 uS
plankton tow
7/1/10
pH 7.0, 17°C, 115 uS
6. Spirogyra
640x
640x
640x
Copper City, Trail 3 pond #1
plant detritus sample
7/21/10
pH 7.9, 27°C, 33 uS
plant detritus sample
7/21/10
pH 7.9, 27°C, 33 uS
7. Spirogyra (conjugation)
250x
Dollar bay at marina
macro-algae sample
8/12/10
pH 8.4, 26°C, 130 uS
macro-algae sample
8/12/10
pH 8.4, 26°C, 130 uS
8. Spirogyra (conjugation)
400x
400x
400x
Gratiot River, riffle below falls
filamentous algae sample
8/8/03
filamentous algae sample
8/8/03
Spirotaenia
1. Spirotaenia condensata
500x
Rice Lake from northern shore
surface plankton tow
9/27/05
20°C
surface plankton tow
9/27/05
20°C
2. Spirotaenia condensata
320x
400x
same as above
Zygnema
1. Zygnema
250x
Osceola pond #1, adjoining marsh
aquatic plant sample
10/11/05
10°C
aquatic plant sample
10/11/05
10°C
2. Zygnema
250x
500x
Arnheim Sloughs site #4
aquatic plant sample
5/27/10
24°C
aquatic plant sample
5/27/10
24°C
3. Zygnema
250x
640x
Twelve Mile Lake
plankton tow
10/23/07
plankton tow
10/23/07
4. Zygnema
500x
MTU settling pond
aquatic plant sample
10/16/05
11°C
aquatic plant sample
10/16/05
11°C
5. Zygnema
320x
500x
800x
Osceola pond #1
aquatic plant sample
10/25/07
9°C
aquatic plant sample
10/25/07
9°C
Zygnemopsis
1. Zygnemopsis
800x
Dollar Bay at entrance
surface plankton tow
10/10/01
pH 7.5,15°C
surface plankton tow
10/10/01
pH 7.5,15°C