Bacillariophyceans #1

This class consists of raphid diatoms. Specimens are organized into orders following Wehr et al. (2015).

1 2 3 4 5

Eunotiales - Eunotioid Diatoms

Eunotia

1. Eunotia

640x

Perrault Bog
plant detritus sample
9/10/01

2. Eunotia

500x

same as above

3. Eunotia

800x

Peepsock Trail lower stream
aquatic plant sample
9/29/01

4. Eunotia

800x

Torch Lake from boat
aquatic plant sample
9/26/01
pH 7.2, 20°C

5. Eunotia

800x

same as above

6. Eunotia

800x

Dollar Bay at boat launch
surface plankton tow
10/10/01
pH 7.1, 16°C

7. Eunotia

800x

Dollar Bay at boat launch
oblique plankton tow
May 2006
10.5°C

8. Eunotia serra var. diadema

800x

Arnheim Sloughs site #1
plant detritus sample
10/20/05
14°C

Bacillariales - Keeled Raphid Diatoms

Nitzschia

1. Nitzschia

500x

Sturgeon River Sloughs site #1
aquatic plant sample
10/20/05
10.5°C

2. Nitzschia

800x

Huron Creek at Walmart
aquatic plant sample
9/20/01

3. Nitzschia

640x

Pilgrim River downstream of US-41
aquatic plant sample
8/10/03
19.5°C

4. Nitzschia

800x

same as above

5. Nitzschia

1000x

Keweenaw Waterway at South Entry
aquatic plant sample
9/19/01

Achnanthales - Monoraphid Diatoms

Achnanthes

1. Achnanthes

800x

Pilgrim River downstream of US-41
log scraping
11/1/01

2. Achnanthes

800x

Rice Lake marsh #1
plankton tow through vegetation
8/12/10
pH 7.2, 26°C, 69 uS

3. Achnanthes

800x

800x

same as above

Cocconeis

1. Cocconeis

800x

Pilgrim River upstream of US-41
rock scraping
5/24/10
18°C

2. Cocconeis

800x

same as above

3. Cocconeis

320x

640x

640x

same as above

4. Cocconeis (auxospore)

800x

same as above

5. Cocconeis
(auxospore)

800x

same as above

1 2 3 4 5