Diatom Gallery #4

Eunotioid and Asymmetrical Naviculoid Forms

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

Amphora

1. Amphora ovalis

800x

creek south of Calumet filamentous algae sample 10/3/01

Cymbella

1. Cymbella	400x			Torch Lake from boat aquatic plant sample 9/26/01 pH 7.2, 20°C
2. Cymbella	500x			Dollar Bay from boat aquatic plant sample 9/26/01
3. Cymbella	800x			Dollar Bay from boat aquatic plant sample 9/26/01
4. Cymbella	800x			Seneca Creek at Cliff Dr aquatic plant sample 5/31/10
5. Cymbella	800x			Dollar Bay at boat launch plankton tow 5/20/10 20°C
6. Cymbella	800x			Keweenaw Waterway at MTU oblique plankton tow 8/12/10 pH 8.6, 26°C, 132 uS
7. Cymbella	800x			Pilgrim River upstream of US-41 rock scraping 5/24/10 18°C
8. Cymbella	800x			Sturgeon River Sloughs site #1 aquatic plant sample 10/20/05 10.5°C

Encyonema

1. Encyonema	640x			Keweenaw Waterway by MTU rock scraping 9/12/01
2. Encyonema	500x			Pilgrim River downstream of US-41 aquatic plant sample 9/19/01
3. Encyonema	500x	500x		Pilgrim River upstream of US-41 rock scraping 5/24/10 18°C
4. Encyonema	500x	500x		same as above
5. Encyonema	800x			same as above

Gomphoneis

1. Gomphoneis	800x			Pilgrim River upstream of US-41 rock scraping 5/24/10 18°C
2. Gomphoneis	500x			same as above

Gomphonema

1. Gomphonema acuminatum	1000x			Dollar Bay from boat aquatic plant sample 9/26/01
2. Gomphonema acuminatum	800x			Rice Lake from northern shore aquatic plant sample 9/27/05 20°C
3. Gomphonema	800x			Dollar Bay at boat launch plankton tow 5/20/10 20°C
4. Gomphonema truncatum	800x			Dollar Bay from boat aquatic plant sample 9/26/01
5. Gomphonema truncatum var. capitatum	1000x			same as above
6. Gomphonema sphaerophorum	1000x			Keweenaw Waterway at South Entry aquatic plant sample 9/19/01
7. Gomphonema augur	800x			Jacobsville old quarry pond aquatic plant sample 8/7/10 pH 7.6, 17°C, 121 uS
8. Gomphonema augur	800x			same as above