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Macmillan's Coral Seaweed
Johansenia macmillanii
Authority:
(Yendo) K.R.Hind & G.W.Saunders
North Pacific Distribution:
Kodiak Archipelago, Alaska, to southern California
Phylum:
Rhodophyta
Class:
Florideophyceae
Order:
Corallinales
Family:
Corallinaceae
Former Scientific Names:
Cheilosporum macmillanii, Serraticardia macmillanii
Description: Thallus calcareous, articulated, light pink, to 10 cm (4 in) tall from a basal crust. Branching pinnate; axial segments flattened, hexagonal in shape, ~1.5 mm (0.06 in) long and 2 mm (0.8 in) wide, slightly wider on branches. Habitat: This species is found in the low intertidal to upper subtidal rock on exposed shores.
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