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Ulva (ex Enteromorpha) (Ulvaceae)

Diagnostic features

Branched filamentous chlorophyte with masses of small green, variably shaped cells forming long hollow branching tubes. The tubes are hollow, and their walls are one cell thick.  Each cell contains a green, cup-shaped, parietal chloroplast with a single pyrenoid.

Typical habitats

Reaches high biomass in nutrient enriched, brackish or marine intertidal habitats


Kingdom Plantae
Phylum Chlorophyta
Class Ulvophyceae
Order Ulvales
Family Ulvaceae
Common name Green algae