Foreign Kelp Discovered in Antarctica (IMAGE) Australian National University Caption Durvillaea (southern bull kelp) growing on sub-Antarctic Marion Island. Elephant seals are also in the photo. The kelp is a large, keystone species in cold-temperate Southern Hemisphere, and supports diverse intertidal plant and animal species. Credit Ceridwen Fraser, ANU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.