: Sites like the NIWA Algae ID Guide and the Landcare Research Guide provide visual references for different habits.
: For student projects, a dichotomous key helps identify algae by asking a series of "yes or no" questions about its features. Algae Corner: How to Identify Different Algae Types Easy identification of freshwater algae
Identifying freshwater algae is easiest when you focus on three main factors: (growth habit), coloration , and notable textures or smells . 1. Identify the Growth Habit : Sites like the NIWA Algae ID Guide
If you are observing algae in person, these simple characteristics can narrow it down: 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