If you are observing algae in person, these simple characteristics can narrow it down:
Chara (skunkweed) grows from the bottom and often has a strong skunk or garlic-like smell. 2. Check the Color Easy identification of freshwater algae
: Often Diatoms . They contain fucoxanthin and have silica in their cell walls, making them look like tiny shards of glass under a microscope. 3. Use Quick Field Tests If you are observing algae in person, these
: Fresh blooms often smell like freshly mowed grass; older, decaying blooms may smell like rotting garbage. Easy identification of freshwater algae