: Typically Green Algae ( Chlorophyta ). They contain chlorophyll a and b .
If you are observing algae in person, these simple characteristics can narrow it down:
For a more precise identification, you can use specialized tools:
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
: Diatoms often feel gritty (like sand) because of their glass-like silica shells. Identification Resources
Color provides a major clue about the pigments the algae uses for photosynthesis:
