Elachista fucicola (Elachista fucicola)

Elachista fucicola Growing on Fucus vesiculosus The ID is for the brown tufts growing on the larger seaweed blades.

Habitat: Low tide zone Elachista,Elachista fucicola,Fucus,Fucus vesiculosus,Geotagged,Spring,United States,algae,brown algae,chromista,epiphyte,seaweed

Appearance

Thallus a loose, globose cushion to 14 mm wide from which a tuft of free assimilatory filaments arises. Assimilatory filaments unbranched, usually more than 100 µm wide and10 –20 mm long, coalescing basally together with paraphysis-like filaments into a loose cushion; cortex and medulla present in the cushion. Many discoid chloroplasts in each cell. Unilocular sporangia sunken in the cushion; plurilocular sporangia unknown.

Behavior

epiphytic on Fucus species, including F. vesiculosus

Habitat

mid to lower intertidal and shallow subtidal

References:

Some text fragments are auto parsed from Wikipedia.

https://www.seaweed.ie/descriptions/Elachista_fucicola.php

Taxonomy
Kingdom	Chromista
Division	Ochrophyta
Class	Phaeophyceae
Order	Ectocarpales
Family	Chordariaceae
Genus	Elachista
Species	Elachista fucicola

Photographed in
United States of America