Rhodophyta · Red Seaweed

Rhodochorton purpureum

(Lightfoot) Rosenvinge
Phylum
Rhodophyta
Class
Florideophyceae
Order
Acrochaetiales
Family
Rhodochortonaceae

Rhodochorton purpureum

Red sea moss

Authority
(Lightfoot) Rosenvinge
Thallus forms purplish-red turfs of erect, very fine, sparingly branched filaments 5-10 mm (0.2-0.4 in) tall. Filaments are densely intertwined basally.

Habitat

Turfs occur in the high intertidal on the walls of sea caves or in shady rock crevices, also on mid to low intertidal rock in sheltered to semi-exposed habitats.

North Pacific Distribution

Arctic Ocean, Bering Sea and Aleutian Islands, Alaska to northern British Columbia; Russia

Former scientific names

Byssus purpurea, Audouinella purpurea, Rhodochorton rothii

Similar taxa

Sphacelaria rigidula also forms carpets of short filaments in the intertidal, but it is a brown alga.

Last updated December 26, 2010

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