Pediastrum spp.
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| Taxonomic Group: | Chlorophyte |
| Trophic Status: | Autotrophic |
| Size Range: | N/A |
| Key Characteristics: | Cells in flat or somewhat curved discoid cog-like colonies; peripheral cells have one, two, or no lobes or processes and usually differ in shape from those within the colony; cells in the colony are contiguous or the colony is perforate; chloroplast is parietal and has one pyrenoid |
| Confused With: | |
| Toxin: | None known |