Ventura County, California, US
Here's Egregia menziesii aka Feather Boa Kelp in what must be a young stage, as it will grow very long by summer.
Found in rocky intertidal.
San Diego County, California, US
Egregia menziesii is a species of kelp known commonly as feather boa kelp. It is native to the coastline of western North America from Alaska to Baja California, where it is a common kelp of the intertidal zone. It is dark brown in color, shiny and bumpy in texture, and may reach over five meters long. It grows a branching stipe from a thick holdfast. It bears long, flat, straplike fronds lined with small blades each...