Mixture of microorganisms
Detailed Description
Plankton observed in The Willamette River at the OMSI dock water-quality monitoring station. Sample has mostly diatoms, including fine brown ribbons of planktonic Fragilaria and tan filaments of Aulacoseira and Melosira. There is some cyanobacteria present, especially Dolichospermum (dark, swirly colonies), July 24, 2024.
Sources/Usage
Public Domain.