Many species of seagrass occur along the coastline of western Australia. This is Posidonia australis (Family Posidoniaceae) growing around Rottnest Island. (Photo courtesy of Robert F. Thorne)
Many species of seagrass occur along the coastline of western Australia. This is Posidonia australis (Family Posidoniaceae) growing around Rottnest Island. (Photo courtesy of Robert F. Thorne)