Home
Info
Splash
TextTree
A1. NONMOTILE ALGAE WITHOUT CHLOROPLASTS:
CYANOBACTERIA
A2. NONMOTILE ALGAE WITH CHLOROPLASTS
A3. MOTILE ALGAE WITH CHLOROPLASTS AND FLAGELLA
B1. MOTILE COLONIES WITH TWO OR MORE CELLS
C1. CELLS WITH TWO EQUAL FLAGELLA
C2. CELLS WITH TWO DISSIMILAR FLAGELLA
D1. CELLS COVERED WITH SMALL SCALES (SCALED CHRYSOPHYTES); MAY ALSO HAVE SHORT OR LONG SPINES
D2. CELLS NOT COVERED WITH SCALES OR SPINES
E1. CELLS SMOOTH (NOT SPINY); ENCLOSED IN VASE-LIKE LORICA, FORMING TREE-LIKE COLONIES:
Dinobryon
E2. CELLS SMOOTH (NOT SPINY); COLONIES SPHERICAL, SURROUNDED BY MUCILAGE CONTAINING TINY SCALES EXCRETED BY CELLS:
Neotessella
E3. CELLS SMOOTH (NOT SPINY); COLONIES CONTAIN OVAL OR TEARDROP-SHAPED CELLS JOINED BY LONG, FRAGILE MUCILAGE THREADS:
Uroglena
and
Uroglenopsis
B2. MOTILE SINGLE-CELL ALGAE
A4. CELLS DIVIDED INTO MIRROR-IMAGE SEMI-CELLS:
Desmids
(see key at
cedar.wwu.edu/cedarbooks/14/
)
A5. CELLS ENCLOSED IN GLASSY, ORNAMENTAL FRUSTULES:
Diatoms
(see key at
diatoms.org)
