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Rhodophyta · Red Seaweed

Gloiosiphonia capillaris

(Hudson) Carmichael
Phylum
Rhodophyta
Class
Florideophyceae
Order
Gigartinales
Family
Gloiosiphoniaceae

Gloiosiphonia capillaris

Red capillary seaweed

Authority
(Hudson) Carmichael
Thallus is light rose, to 15 cm (5.9 in) tall, repeatedly irregularly branched to several orders, nearly cylindrical to slightly flattened, ~ 3 mm (0.12 in) in diameter, with terminal branches tapering to pointed tips, soft but firm.

Habitat

Low intertidal rock and mid intertidal pools and tidal streams.

North Pacific Distribution

Prince William Sound, Alaska, to California; China; Korea; Japan; Russia

Former scientific names

Fucus capillaris, Calosiphonia californica

Similar taxa

This species bears some resemblance to Dumontia alaskana, a spring ephemeral, but it occurs during summer months.

References

Last updated December 26, 2010

Photos