Description: Thallus is dark-brown to black, to ~ 20 cm (8 in) tall, with a cylindrical to slightly compressed main axis and numerous short branchlets clustered along the axis and on indeterminate branches. Habitat: This taxon occurs on sloping mid intertidal bedrock, often forming a band, on semi-protected to exposed shores. Similar taxa: Odonthalia floccosa, Neorhodomela spp.