Sebastian Kennerknecht / Sea Palm (Postelsia palmaeformis) clusters in the upper intertidal zone, Big Sur, California

Juergen Freund / Seapalm kelp fixed on rocks underwater {Postelsia palmaeformis} Pacific Canada

Ralph Pace / Giant Kelpfish (Heterostichus rostratus) in Sea Palm (Postelsia palmaeformis) fronds, San Diego, California

Kevin Schafer / Sea Palm (Postelsia palmaeformis) in surf, Cape Flattery, Olympic Peninsula, Washington

Jeff Foott / Sea Palm (Postelsia palmaeformis) at low tide, Salt Point State Park, California

Jeff Foott / Sea Palm (Postelsia palmaeformis) group at low tide, Salt Point State Park, California