Corallina densa, Corallina officinalis f. multiramosa

Description: Thallus is calcareous, articulated, light pink to light purple, forming dense tufts to 6 or more cm (2.4 in) tall from a basal crust. Branching is pinnate to verticillate, and dense. Axial segments are 1 mm long and more or less cylindrical. Reproductive conceptacles are located at tips of branches but are rare. Habitat: This species forms dense mats on emergent bedrock or in tidepools in the mid to low intertidal zones of exposed habitats. Similar taxa: Bossiella frondescens, Corallina bathybentha.