Version 2.0
Home
Info
Splash
TextTree
A1. Nonmotile algae without chloroplasts:
Cyanobacteriophyta
A2. Motile algae with chloroplasts and flagella
B1. Motile single-cell algae
B2. Motile colonies with 4 or more cells
C1. Cells with two equal flagella in colonies with 4 or more cells
C2. Cells with two dissimilar flagella
D1. Cells smooth (not spiny); enclosed in vase-like lorica, forming tree-like colonies:
Dinobryon
D2. Cells covered with small scales (scaled chrysophytes); may also have short or long spines
E1. Cells covered with tiny scales and stout spines:
Chrysosphaerella
E2. Cells covered with tiny, ornate scales (no long spines):
Synura
D3. Cells not covered with scales or spines; may be enclosed in grainy mucilage or lorica
A3. Nonmotile algae with chloroplasts but without flagella
A4. Cells with paired, symmetric semi-cells:
Desmids
A5. Cells enclosed in glassy, ornamental frustules:
Diatoms
