Description: The plant is light green in colour, filamentous, erect, 5-20 cm. high, and profusely branched. The filamentous branches are uniseriate, with elongate cells, 4-6 times as long as broad. The branches taper at the ends to a subacute apex; the branching habit is alternate, with the ultimate branchlets being only a few cells in length. The plant is attached to the substrate by means of a short, basal, simple or branched rhizoidal filaments.
Habitat: In rock pools in the lower intertidal zone.
Pacific Coast Distribution: Alaska to California
Robert Scagel, 1972
Species: flexuosa (Kütz., 1843)
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|The Race Rocks taxonomy is a collaborative venture originally started with the Biology and Environmental Systems students of Lester Pearson College UWC. It now also has contributions added by Faculty, Staff, Volunteers and Observers on the remote control webcams. Dec 2001–Ryan Murphy|