Red algae
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Red algae, or Rhodophyta, make up one of the oldest and largest phyla of eukaryotic algae, containing over 7,000 recognized species within over 900 genera amidst ongoing taxonomic revisions. The major
Sea grapes 2
Stylonemaalsidii
Red seaweed, Galaxaura rugosa, Daedalus Reef, Red Sea, Egypt
Porphyra umbilicalis Helgoland
Seaweed
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Seaweed, or macroalgae, refers to thousands of species of macroscopic, multicellular, marine algae. The term includes some types of Rhodophyta, Phaeophyta and Chlorophyta macroalgae. Seaweed species s
Red algae
…revisions. The majority of species (6,793) are in the class Florideophyceae, and mostly consist of multicellular marine algae, including many notable seaweeds. Red algae are abundant in marine habitats. Approximately 5% of red algae species occur in freshwater environments, with greater concentrations in…
Fucus serratus 2015 09 08 ag M0010140
Ascophyllum nodosum exposed to the sun in Nova Scotia, Canada
Dead man's fingers (Codium fragile) off the Massachusetts coast in the United States
The top of a kelp forest in Otago, New Zealand