Eudesme virescens (Carmichael ex Berkeley) J.Agardh
Thallus cylindrical, yellowish brown, to 500 mm long.
Frond solid but soft, gelatinous, 1-4 mm wide with numerous
irregular branches. Pseudoparenchymatous, easily squashed
to reveal a multiaxial medulla of numerous colourless filaments
and a cortex of stalked fan-like tufts of club-shaped pigmented
assimilatory filaments 15-28 cells long. Assimilatory
filaments grade into axial cells. Hairs present.
Unilocular and plurilocular sporangia formed at the bases of
assimilatory filaments.
Littoral pools; epilithic.
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