Ulvophyceans

The classes of "green algae" are undergoing significant taxonomic revisions.  Recently, some genera have been placed into new orders, or even into different classes!  The ulvophyceans are grouped here into orders following Guiry et al. (2010).


Ulotrichales

Cylindrocapsa

1. Cylindrocapsa
 

500x
    Calumet Lake
filamentous algae sample
10/11/05
12.5°C
 
2. Cylindrocapsa
 

400x
    same as above
 
3. Cylindrocapsa
 

800x

800x
  Arnheim Sloughs site #2
aquatic plant sample
5/27/10
22°C
 
4. Cylindrocapsa
 

800x
    Perrault Bog
floating algal mass
6/17/10
pH 5.0, 23°C, 41 uS
 
5. Cylindrocapsa
 

800x

800x
  Twelve Mile Lake
plankton tow
10/23/07
 

Geminella

1. Geminella
 

320x

800x
  Perrault Bog
plant detritus sample
8/5/10
pH 6.0, 23°C, 34 uS
 
2. Geminella
 

800x

800x
  same as above
 

Radiofilum

1. Radiofilum conjunctivum
 

250x

800x
  Dollar bay at marina
aquatic plant sample
8/12/10
pH 8.4, 26°C, 130 uS
 
2. Radiofilum conjunctivum
 

500x

800x
  Dollar Bay from boat
surface plankton tow
9/18/05
21°C
 
3. Radiofilum conjunctivum
 

800x

800x
  Rice Lake from northern shore
plankton tow
8/7/10
pH 8.1, 23°C, 60 uS
 
4. Radiofilum conjunctivum
 

800x

800x
  Osceola pond #1
plant detritus sample
7/16/10
pH 8.4, 24°C, 229 uS
 

Ulothrix

1. Ulothrix
 

250x

500x
  Gratiot River, riffle at falls
filamentous algae sample
9/23/01
 
2. Ulothrix
 

250x

250x

250x
Pilgrim River upstream of US-41
rock scraping
5/24/10
18°C
 
3. Ulothrix
 

400x

400x

400x
Torch Lake at Hubbell boat launch
rock scraping
5/20/10
17°C
 
4. Ulothrix
 

800x

800x
  Calumet Waterworks creek
rock scraping
10/2/07
 

Cladophorales

Cladophora

1. Cladophora glomerata
 

1x

3.15x

250x
Coles Creek, riffle near mouth
filamentous algae sample
9/27/01
 
2. Cladophora glomerata
 

250x

250x

250x
Otter River at Pike Lake Rd
macro-algae sample
8/5/10
pH 8.4, 18°C, 240 uS
 
3. Cladophora glomerata
 

250x

250x

250x
Huron Creek at Houghton Park
rock scraping
10/16/07
 
4. Cladophora globulina
 

250x

250x

250x
Calumet Lake
filamentous algae sample
10/11/05
12.5°C