Specimens are grouped into orders following Guiry and Guiry (2019).
Chromulinales
Anthophysa
This genus is placed with the chrysophyceans based on Wehr et al. (2015), although Guiry and Guiry (2019) places it with the synurophyceans.
1. Anthophysa
800x
Peepsock Trail lower stream
aquatic plant sample
9/29/01
aquatic plant sample
9/29/01
2. Anthophysa
800x
same as above
Chromulina
1. Chromulina nebulosa
800x
Osceola pond #1
aquatic plant sample
10/25/07
9°C
aquatic plant sample
10/25/07
9°C
2. Chromulina nebulosa
800x
same as above
3. Chromulina
800x
800x
Arnheim Sloughs site #1
aquatic plant sample
5/27/10
20°C
aquatic plant sample
5/27/10
20°C
4. Chromulina
800x
800x
Thirteen Mile Lake
plankton tow
6/17/10
pH 5.7, 22°C, 17 uS
plankton tow
6/17/10
pH 5.7, 22°C, 17 uS
5. Chromulina
800x
800x
Mohawk-Gay Rd marsh
floating algal mass
5/20/10
18°C
floating algal mass
5/20/10
18°C
6. Chromulina
800x
800x
same as above
Chrysamoeba
1. Chrysamoeba
800x
Moyle Concrete pond
surface plankton tow
9/5/01
pH 7.9, 25°C
surface plankton tow
9/5/01
pH 7.9, 25°C
2. Chrysamoeba
800x
Osceola pond #1
plankton tow
9/3/03
20.5°C
plankton tow
9/3/03
20.5°C
3. Chrysamoeba
800x
same as above
4. Chrysamoeba
800x
same as above
Chrysocapsa
1. Chrysocapsa
800x
old Laurium dump pond
plant detritus sample
10/25/07
7.5°C
plant detritus sample
10/25/07
7.5°C
2. Chrysocapsa
800x
same as above
3. Chrysocapsa
800x
same as above
Chrysosphaerella
1. Chrysosphaerella longispina
640x
640x
Dover Creek pool at US-41
plankton tow
7/15/10
pH 6.8, 25°C, 130 uS
plankton tow
7/15/10
pH 6.8, 25°C, 130 uS
2. Chrysosphaerella longispina
800x
800x
same as above
Chrysostephanosphaera
1. Chrysostephanosphaera
800x
800x
Twelve Mile Lake
aquatic plant sample
6/17/10
pH 5.7, 24°C, 15 uS
aquatic plant sample
6/17/10
pH 5.7, 24°C, 15 uS
2. Chrysostephanosphaera
800x
800x
old Laurium dump pond
floating algal mass
7/1/10
pH 7.0, 17°C, 115 uS
floating algal mass
7/1/10
pH 7.0, 17°C, 115 uS
Dinobryon
1. Dinobryon cylindricum
500x
Keweenaw Waterway at MTU
plankton tow
5/1/03
7°C
plankton tow
5/1/03
7°C
2. Dinobryon cylindricum
800x
same as above
3. Dinobryon
800x
Twelve Mile Lake
aquatic plant sample
10/23/07
aquatic plant sample
10/23/07
4. Dinobryon sertularia
640x
Keweenaw Waterway at Lily Pond
oblique plankton tow
8/29/05
15°C
oblique plankton tow
8/29/05
15°C
5. Dinobryon sertularia
640x
640x
Gooseneck Creek at Dollar Bay
surface plankton tow
11/22/05
0.5°C
surface plankton tow
11/22/05
0.5°C
6. Dinobryon sertularia
500x
800x
800x
Fulton Creek beaver pond
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
7. Dinobryon sertularia
800x
800x
same as above
8. Dinobryon
800x
Thirteen Mile Lake, nearby bog
plankton tow
6/17/10
pH 4.5, 22°C,18 uS
plankton tow
6/17/10
pH 4.5, 22°C,18 uS
9. Dinobryon
800x
same as above
10. Dinobryon divergens
500x
Keweenaw Waterway at Lily Pond
oblique plankton tow
8/29/05
15°C
oblique plankton tow
8/29/05
15°C
11. Dinobryon divergens
500x
Dollar Bay at boat launch
surface plankton tow
9/21/05
20.5°C
surface plankton tow
9/21/05
20.5°C
12. Dinobryon pediforme
800x
Perrault Bog
surface plankton tow
6/19/07
19.5°C
surface plankton tow
6/19/07
19.5°C
13. Dinobryon bavaricum
640x
Keweenaw Waterway at Lily Pond
oblique plankton tow
8/29/05
15°C
oblique plankton tow
8/29/05
15°C
14. Dinobryon bavaricum
500x
500x
Fulton Creek beaver pond
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
15. Dinobryon
800x
Rice Lake marsh #1
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
16. Dinobryon sociale
640x
Torch Lake at Lake Linden boat launch
surface plankton tow
9/27/05
18.5°C
surface plankton tow
9/27/05
18.5°C
Epipyxis
1. Epipyxis
800x
old Laurium dump pond
plant detritus sample
10/25/07
7.5°C
plant detritus sample
10/25/07
7.5°C
2. Epipyxis
800x
old Laurium dump pond
plankton tow
6/8/10
pH 6.9, 18°C, 77 uS
plankton tow
6/8/10
pH 6.9, 18°C, 77 uS
3. Epipyxis
800x
Arnheim Sloughs site #2
aquatic plant sample
5/27/10
22°C
aquatic plant sample
5/27/10
22°C
4. Epipyxis
800x
Snowmobile Trail 17 marsh #3
plankton tow
7/15/10
pH 7.6, 25°C, 58 uS
plankton tow
7/15/10
pH 7.6, 25°C, 58 uS
5. Epipyxis
800x
Rice Lake from northern shore
aquatic plant sample
8/12/10
pH 7.4, 26°C, 81 uS
aquatic plant sample
8/12/10
pH 7.4, 26°C, 81 uS
6. Epipyxis
800x
old Laurium dump pond
plant detritus sample
6/8/10
pH 6.9, 18°C, 77 uS
plant detritus sample
6/8/10
pH 6.9, 18°C, 77 uS
Eusphaerella
1. Eusphaerella turfosa
800x
800x
Dover Creek, pool at US-41
surface plankton tow
10/11/05
11°C
surface plankton tow
10/11/05
11°C
Chrysosphaera
Epichrysis and Chrysobotrys are synonyms (Wehr and Sheath 2003, Guiry et al. 2010).
1. Chrysosphaera
800x
Twelve Mile Lake
aquatic plant sample
10/23/07
aquatic plant sample
10/23/07
2. Chrysosphaera
800x
Arnheim Sloughs site #2
aquatic plant sample
5/27/10
22°C
aquatic plant sample
5/27/10
22°C
3. Chrysosphaera
800x
Arnheim Sloughs site #1
aquatic plant sample
5/27/10
20°C
aquatic plant sample
5/27/10
20°C
4. Chrysosphaera
800x
Twelve Mile Lake
plankton tow
10/23/07
plankton tow
10/23/07
5. Chrysosphaera
800x
Twelve Mile Lake
aquatic plant sample
10/23/07
aquatic plant sample
10/23/07
Uroglenopsis
1. Uroglenopsis
320x
800x
800x
Sturgeon River Sloughs site #2
plankton tow
5/27/10
22°C
plankton tow
5/27/10
22°C
2. Uroglenopsis
640x
640x
Scales Creek beaver pond
plankton tow
6/8/10
pH 7.9, 18°C, 109 uS
plankton tow
6/8/10
pH 7.9, 18°C, 109 uS
3. Uroglenopsis
320x
320x
800x
Dover Creek pool at US-41
plankton tow
7/15/10
pH 6.8, 25°C, 130 uS
plankton tow
7/15/10
pH 6.8, 25°C, 130 uS
4. Uroglenopsis
250x
800x
800x
Keweenaw Waterway at MTU
oblique plankton tow
8/12/10
pH 8.6, 26°C, 132 uS
oblique plankton tow
8/12/10
pH 8.6, 26°C, 132 uS
Hibberdiales
Chrysopyxis
1. Chrysopyxis stenostoma
800x
Twelve Mile Lake
aquatic plant sample
10/23/07
aquatic plant sample
10/23/07
2. Chrysopyxis stenostoma
800x
Twelve Mile Lake
aquatic plant sample
10/23/07
aquatic plant sample
10/23/07
3. Chrysopyxis stenostoma
800x
800x
Rice Lake marsh #1
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
4. Chrysopyxis
800x
same as above
5. Chrysopyxis
800x
800x
same as above
Derepyxis
1. Derepyxis amphora
800x
Twelve Mile Lake
aquatic plant sample
10/23/07
aquatic plant sample
10/23/07
2. Derepyxis amphora
800x
Rice Lake marsh #1
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
3. Derepyxis amphora
800x
800x
Copper City, Trail 3 pond #1
plankton tow
7/21/10
pH 7.9, 27°C, 33 uS
plankton tow
7/21/10
pH 7.9, 27°C, 33 uS
4. Derepyxis
800x
same as above
5. Derepyxis
800x
Fulton Creek beaver pond
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
6. Derepyxis dispar
800x
Eleven Mile Lake, east roadside marsh
aquatic plant sample
6/17/10
pH 5.4, 21°C, 35 uS
aquatic plant sample
6/17/10
pH 5.4, 21°C, 35 uS
7. Derepyxis dispar
800x
Copper City, Trail 3 pond #1
plankton tow
7/21/10
pH 7.9, 27°C, 33 uS
plankton tow
7/21/10
pH 7.9, 27°C, 33 uS
Lagynion
1. Lagynion macrotrachelum
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
2. Lagynion macrotrachelum
800x
same as above
3. Lagynion macrotrachelum
800x
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. Lagynion macrotrachelum
800x
same as above
5. Lagynion infundibuliforme
800x
Keweenaw Waterway at MTU
oblique plankton tow
10/16/05
13.5°C
oblique plankton tow
10/16/05
13.5°C