Seanet Mid Intertidal

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Mazzaella leptorhynchos (J.Agardh) Leister
Phylum Rhodophyta, Class Florideophyceae, Order Gigartinales, Family Gigartinaceae

Thallus 10-15 cm tall, 5-10 mm wide; elongate to bushy, irregularly branched, flattened (more cylindrical in S. Calif.); appears woolly with many elongate papillae on margins & faces of branches; dark brown to blackish. 

Common, but patchy & not as dominant as Mastocarpus & Mazzaella affinis; lower mid-intertidal zone, at or below lower margin of Mastocarpus; protected outer coast.

Geo Range: Northern California to northern Baja
Synonyms: Gigartina leptorhynchos
Similar species:

Image: surf grass Phyllospadix scouleri (upper left & rt corners);
Gastroclonium subarticulatum (across bottom)