Photos by Joanna Siemiak
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- Title
- Asterionella formosa
- Date added
- Mar 25, 2018
- Photographer/artist
- Joanna Siemiak
- Contributing organisation
- HELCOM-PEG
-
- Title
- Melosira varians, C.Agardh 1827
- Date added
- Mar 1, 2019
- Photographer/artist
- Joanna Siemiak
- Contributing organisation
- HELCOM PEG
-
- Title
- Planctonema lauterbornii
- Date added
- Apr 9, 2018
- Photographer/artist
- Joanna Siemiak
- Contributing organisation
- HELCOM-PEG