Hi Karen Werner. There are three guides giving you excellent advices at the issue harvesting your own seaweed. Sea Vegetables Harvesting Guide & Cookbook by Evelyn McConnaughey. Pacific Seaweeds - A Guide to Common Seaweeds of the West Coast by Louis Druehl and Seaweeds of the Pacific Coast - Common Marine Algae from Alaska to Baja California by Jennifer Mondragon and Jeff Mondragen. Good luck to you at the coastside!
Seaweedlover Thorkil.
