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Rhodophyta · Red Seaweed

Halosaccion fucicola

Postels & Ruprecht
Phylum
Rhodophyta
Class
Florideophyceae
Order
Palmariales
Family
Palmariaceae

Halosaccion fucicola

Sea sac

Authority
Postels & Ruprecht
Thallus is saccate, reddish purple to yellowish brown, tapering to a short stipe and a small discoidal holdfast and reaching 15 cm (6 in) tall but usually shorter. Tiny pores allow seawater inside the sac to spray outward when the thallus is squeezed.

Habitat

This annual usually grows in clumps on rock or epiphytically on other algae in the mid to low intertidal of semi-protected to exposed habitats (high intertidal patch-forming and tidepool specimens are probably not this species).

North Pacific Distribution

Chukchi Sea, Bering Sea, and Aleutian Islands, Alaska to Point Conception, California; Russia

Former scientific names

Synonym Halosaccion americanum. Misidentified as Halosaccion glandiforme

Similar taxa

Halosaccion spp.

References

Last updated December 26, 2010

Photos