PMN banner

A National Ocean Service/National Center for Coastal Ocean Science Program

Phytoplankton Monitoring Network

Promoting a better understanding of harmful algal blooms by way of volunteer monitoring

Phytoplankton Pictures - Diatoms

Amphiphora

Amphiphora 200x Amphiphora 200x Amphiphora 400x Amphiphora 400x

Asterionella

Asterionella 200x Asterionella 400x Asterionella 400x Asterionella scanning electron microscope image

Bacillaria

Bacillaria 200x Bacillaria 200x Bacillaria 200x Bacillaria 200x Bacillaria 400x Bacillaria 400x Bacillaria 400x

Bacteriastrum

Bacteriastrum 400x Bacteriastrum scanning electron microscope image

Chaetoceros (keye-TO-sehr-aws)

Chaetoceros 200x Chaetoceros 200x Chaetoceros 200x Chaetoceros 400x Chaetoceros 400x Chaetoceros 400x Chaetoceros 400x Chaetoceros 400x Chaetoceros 400x Chaetoceros 400x Chaetoceros scanning electron microscope image Chaetoceros scanning electron microscope image Chaetoceros scanning electron microscope image

Coscinodiscus (kos-sihn-oh-DIHSK-uhs)

Coscinodiscus Coscinodiscus Coscinodiscus Coscinodiscus Coscinodiscus

Ditylum

Ditylum 200x Ditylum 400x Ditylum scanning electron microscope image

Eucampia

Eucampia 200x Eucampia 400x

Guinardia

Guinardia 400x Guinardia 400x

Navicula

Navicula 400x

Nitzschia (NEE-chee-uh)

Nitzschia 400x Nitzschia 400x Nitzschia 400x Nitzschia scanning electron microscope image Nitzschia scanning electron microscope image

Odontella

Odontella 200x Odontella 400x Odontella 400x Odontella scanning electron microscope image Odontella scanning electron microscope image

Pleurosigma

Pleurosigma 200x Pleurosigma 200x Pleurosigma 400x Pleurosigma 400x

Pseudo-nitzschia (sew-doh-NEE-chee-uh)

Pseudo-nitzschia 400x Pseudo-nitzschia scanning electron microscope image Pseudo-nitzschia scanning electron microscope image

Rhizosolenia (reye-zoh-soh-LEHN-ee-uh)

Rhizosolenia 200x Rhizosolenia 200x Rhizosolenia 200x Rhizosolenia 400x Rhizosolenia 400x Rhizosolenia 400x Rhizosolenia 400x

Skeletonema

Skeletonema 200x Skeletonema 200x Skeletonema 400x Skeletonema scanning electron microscope image Skeletonema scanning electron microscope image

Thalassionema

Thalassionema 200x Thalassionema 400x Thalassionema 400x Thalassionema 400x Thalassionema scanning electron microscope image

Thalassiosira

Thalassiosira 400x Thalassiosira 400x Thalassiosira scanning electron microscope image