The algae in the Fucales are characterized by:
Their parenchymal growth (i.e. growing in three dimensions rather than as a two-dimensional filiment), outward from an apical area at each apex.
Their reproductive organs are always contained in conceptacles, usually on the tips of the thallus (body of the aglae).
Their life cycle is almost completely diploid, with only the gametes being haploid.
Their eggs are large and non-motile, and are fertilized by small motile sperm (oogamy).
(Rousseau and DeReviers 1999)
The Fucales are found worldwide, but are represented by quite different taxa in different parts of the globe. In Northern waters Fucus is the the most common genus, whereas in tropical waters Sargassum predominates, Cystophora is common in Australia and Durvillea widespread in the sub-antarctic, especially southern New Zealand and Chile.
Life History and Behavior
Molecular Biology and Genetics
Statistics of barcoding coverage
Specimens with Sequences:963
Specimens with Barcodes:404
Species With Barcodes:156
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