| Description: |
Shaggy, rigid, dark brownish red tufts, to 200 mm long, from large discoid base. Main axes and branches corticated, often with weft of adventitious laterals. Branches irregularly alternate, those of final order clothed in alternately pinnate ramuli, which are somewhat attenuate at base and apex, with cells 1-1.5 times as long as broad. |
Species:
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|
Callithamnion tetricum (Dillwyn) Gray |
