Washed up on a rock in Ash Creek Estuary.
tidal rock pool; limestone
Collected by Bill Grossman
Collected West Barnstable
Saw both this stage (blade stage) and the crust stage (AKA Tar Spot Seaweed). ID as per Lamb & Hanby, p. 40.
The red algae, or Rhodophyta (/roʊˈdɒfɨtə/ roh-DOF-fit-tə or /ˌroʊdəˈfaɪtə/ ROH-də-FY-tə; from Ancient Greek: ῥόδον rhodon, "rose" and φυτόν phyton, "plant"), are one of the oldest groups of eukaryotic algae, and also one of the largest, with about 5,000–6,000 species of mostly multicellular, marine algae, including many notable seaweeds. Other references indicate as many as 10,000 species; more detailed counts indicate about 4,000 in about 600 genera (3,738 marine species in 546 genera and 10 orders (plus...