This identification refers to the red alga at the top of the accompanying picture. A separate entry for the brown alga at the bottom can be found at http://naturewatch.org.nz/observations/981679.
This lovely pink Corallinaceae (Crustose Coralline algae) glowed in shallow water during the minus tide.
This was a tough one for me. This is my best guess. PNW seaweed can be hard. I need better books!
Found in intermediate tide pool.
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...