Algae
Cyanophyta (Usacev ex Proškina-Lavrenko) P. Rajeniemi et al.
Primary tabs
Nomenclature
Phylum:
Cyanophyta (Usacev ex Proškina-Lavrenko) P. Rajeniemi et al.
Vernacular names:
Vernacular name:
Blue-green algae
SUMMARY
Blue-green, grey-green, violet, brown, purplish or red dependent on relative proportions of chlorophyll, phycocyanin, phycoerythrin and sometimes brown sheath pigments; unicellular, colonial or filamentous; internal membranes absent and so no organelles.