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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
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Peepsock Trail lower stream
aquatic plant sample
9/29/01
2. Anthophysa
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same as above

Chromulina

1. Chromulina nebulosa
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Osceola pond #1
aquatic plant sample
10/25/07
9°C
2. Chromulina nebulosa
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same as above
3. Chromulina
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Arnheim Sloughs site #1
aquatic plant sample
5/27/10
20°C
4. Chromulina
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Thirteen Mile Lake
plankton tow
6/17/10
pH 5.7, 22°C, 17 uS
5. Chromulina
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Mohawk-Gay Rd marsh
floating algal mass
5/20/10
18°C
6. Chromulina
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same as above

Chrysamoeba

1. Chrysamoeba
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Moyle Concrete pond
surface plankton tow
9/5/01
pH 7.9, 25°C
2. Chrysamoeba
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Osceola pond #1
plankton tow
9/3/03
20.5°C
3. Chrysamoeba
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same as above
4. Chrysamoeba
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same as above

Chrysocapsa

1. Chrysocapsa
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old Laurium dump pond
plant detritus sample
10/25/07
7.5°C
2. Chrysocapsa
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same as above
3. Chrysocapsa
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same as above

Chrysosphaerella

1. Chrysosphaerella longispina
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Dover Creek pool at US-41
plankton tow
7/15/10
pH 6.8, 25°C, 130 uS
2. Chrysosphaerella longispina
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same as above

Chrysostephanosphaera

1. Chrysostephanosphaera
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Twelve Mile Lake
aquatic plant sample
6/17/10
pH 5.7, 24°C, 15 uS
2. Chrysostephanosphaera
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old Laurium dump pond
floating algal mass
7/1/10
pH 7.0, 17°C, 115 uS

Dinobryon

1. Dinobryon cylindricum
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Keweenaw Waterway at MTU
plankton tow
5/1/03
7°C
2. Dinobryon cylindricum
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same as above
3. Dinobryon
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Twelve Mile Lake
aquatic plant sample
10/23/07
4. Dinobryon sertularia
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Keweenaw Waterway at Lily Pond
oblique plankton tow
8/29/05
15°C
5. Dinobryon sertularia
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Gooseneck Creek at Dollar Bay
surface plankton tow
11/22/05
0.5°C
6. Dinobryon sertularia
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Fulton Creek beaver pond
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
7. Dinobryon sertularia
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same as above
8. Dinobryon
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Thirteen Mile Lake, nearby bog
plankton tow
6/17/10
pH 4.5, 22°C,18 uS
9. Dinobryon
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same as above
10. Dinobryon divergens
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Keweenaw Waterway at Lily Pond
oblique plankton tow
8/29/05
15°C
11. Dinobryon divergens
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Dollar Bay at boat launch
surface plankton tow
9/21/05
20.5°C
12. Dinobryon pediforme
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Perrault Bog
surface plankton tow
6/19/07
19.5°C
13. Dinobryon bavaricum
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Keweenaw Waterway at Lily Pond
oblique plankton tow
8/29/05
15°C
14. Dinobryon bavaricum
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Fulton Creek beaver pond
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
15. Dinobryon
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Rice Lake marsh #1
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
16. Dinobryon sociale
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Torch Lake at Lake Linden boat launch
surface plankton tow
9/27/05
18.5°C

Epipyxis

1. Epipyxis
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old Laurium dump pond
plant detritus sample
10/25/07
7.5°C
2. Epipyxis
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old Laurium dump pond
plankton tow
6/8/10
pH 6.9, 18°C, 77 uS
3. Epipyxis
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Arnheim Sloughs site #2
aquatic plant sample
5/27/10
22°C
4. Epipyxis
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Snowmobile Trail 17 marsh #3
plankton tow
7/15/10
pH 7.6, 25°C, 58 uS
5. Epipyxis
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Rice Lake from northern shore
aquatic plant sample
8/12/10
pH 7.4, 26°C, 81 uS
6. Epipyxis
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old Laurium dump pond
plant detritus sample
6/8/10
pH 6.9, 18°C, 77 uS

Eusphaerella

1. Eusphaerella turfosa
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Dover Creek, pool at US-41
surface plankton tow
10/11/05
11°C

Chrysosphaera

Epichrysis and Chrysobotrys are synonyms (Wehr and Sheath 2003, Guiry et al. 2010).

1. Chrysosphaera
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Twelve Mile Lake
aquatic plant sample
10/23/07
2. Chrysosphaera
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Arnheim Sloughs site #2
aquatic plant sample
5/27/10
22°C
3. Chrysosphaera
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Arnheim Sloughs site #1
aquatic plant sample
5/27/10
20°C
4. Chrysosphaera
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Twelve Mile Lake
plankton tow
10/23/07
5. Chrysosphaera
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Twelve Mile Lake
aquatic plant sample
10/23/07

Uroglenopsis

1. Uroglenopsis
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Sturgeon River Sloughs site #2
plankton tow
5/27/10
22°C
2. Uroglenopsis
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Scales Creek beaver pond
plankton tow
6/8/10
pH 7.9, 18°C, 109 uS
3. Uroglenopsis
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Dover Creek pool at US-41
plankton tow
7/15/10
pH 6.8, 25°C, 130 uS
4. Uroglenopsis
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Keweenaw Waterway at MTU
oblique plankton tow
8/12/10
pH 8.6, 26°C, 132 uS

Hibberdiales

Chrysopyxis

1. Chrysopyxis stenostoma
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Twelve Mile Lake
aquatic plant sample
10/23/07
2. Chrysopyxis stenostoma
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Twelve Mile Lake
aquatic plant sample
10/23/07
3. Chrysopyxis stenostoma
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Rice Lake marsh #1
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
4. Chrysopyxis
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same as above
5. Chrysopyxis
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same as above

Derepyxis

1. Derepyxis amphora
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Twelve Mile Lake
aquatic plant sample
10/23/07
2. Derepyxis amphora
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Rice Lake marsh #1
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS
3. Derepyxis amphora
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Copper City, Trail 3 pond #1
plankton tow
7/21/10
pH 7.9, 27°C, 33 uS
4. Derepyxis
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same as above
5. Derepyxis
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Fulton Creek beaver pond
plankton tow
7/21/10
pH 7.4, 28°C, 464 uS
6. Derepyxis dispar
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Eleven Mile Lake, east roadside marsh
aquatic plant sample
6/17/10
pH 5.4, 21°C, 35 uS
7. Derepyxis dispar
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Copper City, Trail 3 pond #1
plankton tow
7/21/10
pH 7.9, 27°C, 33 uS

Lagynion

1. Lagynion macrotrachelum
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Perrault Bog
plant detritus sample
9/13/05
pH 5.1, 22.2°C
2. Lagynion macrotrachelum
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same as above
3. Lagynion macrotrachelum
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Perrault Bog
floating algal mass
6/17/10
pH 5.0, 23°C, 41 uS
4. Lagynion macrotrachelum
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same as above
5. Lagynion infundibuliforme
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Keweenaw Waterway at MTU
oblique plankton tow
10/16/05
13.5°C