Looks like Plocamium cartilagineum but I've never seen it look green before. Although some of the tips seem to be reddish.
Maybe Callophyllis sp?
Starting to bleach out.
Rubbery texture, lustrous, brownish color, stuck to the tide pool rocks,
Live plant at water's edge.
On the holdfast of what I think is Lessonia variegata.
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...