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RHODOPHYTA (red algae)
Polysiphonia urceolata
(Lightfoot) Greville, 1825
Lenght
: 1-8 cm
Width:
40-250 um
Thallus
thin filiform, tufted-turfy, dark red, densely branched. pericentral cells 4. Litophyte, rare epiphyte. growing in sublittoral, in exposed localities. occuring infrequently. Boreal-Arctic species.