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Rhodophyta · Red Seaweed

Phycodrys fimbriata

(Kuntze) Kylin
Phylum
Rhodophyta
Class
Florideophyceae
Order
Ceramiales
Family
Delesseriaceae

Phycodrys fimbriata

Common sea oak

Authority
(Kuntze) Kylin
Thallus is rose red to dusky pink, delicate, mostly under 10 cm (4 in) tall with thin, narrow blades (to 0.6 cm wide) with conspicuous midrib, less conspicuous paired lateral veins, and irregular, narrow teeth along margins that can develop into lateral branches. Holdfast is discoidal or of ribbon-like branches similar to lateral branches.

Habitat

This perennial is found on rock in the low intertidal of semi-protected to semi-exposed habitats.

North Pacific Distribution

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

Former scientific names

Membranoptera fimbriata, Phycodrys riggii, Phycodrys serratiloba

Similar taxa

Mikamiella ruprechtiana, Tokidadendron bullatum

References

Last updated December 26, 2010

Photos