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Chlorophyta · Green Seaweed

Acrosiphonia sonderi

(Kützing) Kornmann
Phylum
Chlorophyta
Class
Ulvophyceae
Order
Ulotrichales
Family
Ulotrichaceae

Acrosiphonia sonderi

Coarse sea moss

Authority
(Kützing) Kornmann
The coarse green thallus forms spreading tufts up to 9 cm (3.5 in) tall. Cells of sparsely branched filaments are up to 200 μm diameter and often shorter than broad; although distal cells of branches are usually elongate. Rhizoids and hook-like branches are lacking.

Habitat

This species is found on rock in or near sand in the low intertidal of semi-exposed habitats in spring and early summer.

North Pacific Distribution

Bering Sea and Aleutian Islands, Alaska to central coast of British Columbia.

Former scientific names

Cladophora cartilaginea, Cladophora sonderi, Conferva cartilaginea

Similar taxa

Acrosiphonia spp.

References

Last updated December 26, 2010

Photos