Alien seaweed

Alien seaweed

Observation - Alien seaweed - UK and Ireland. Description: Masses of this invasive Asian seaweed choking rockpools on a Devon shore. Small terminal airbladder

Masses of this invasive Asian seaweed choking rockpools on a Devon shore. Small terminal airbladders, skinny fronds. Matches description and images on this site: http://archive-ie.com/page/104429/2012-07-10/http://seaweed.ucg.ie/descriptions/Sargassum_muticum.html