Algae
Phaeophyta Lemmermann
Primary tabs
Nomenclature
Phylum:
Phaeophyta Lemmermann
Vernacular names:
Vernacular name:
Brown algae
SUMMARY
Cells brownish due to presence of carotenoids pigments (principally fucoxanthin) in 1 to several chloroplasts; freshwater species of microscopic branched filaments (often closely packed); motile stages pear-shaped with 2 laterally inserted flagella; walls frequently contain alginic acid and fucinic acid; food storage materials laminarin and mannitol.