Liagora mannarensis Krishnamurthy & Sundararajan 1985

    Thallus erect, copiously mucilaginous, slimy, 13 cm high, attached by a basal disc, 5-10 mm in diameter and giving out 1-3 main axes; axis 3 mm thick; pinnately branched; proliferations common, 0.5-5mm long, more on male thalli; multiaxial, intertwining vertically oriented axial filaments; medullary cells elongated 70-175 x 8-15µm; assimilatory filaments radially produced, dichotomously branched up to 7th order; hyphae developing more profusely from the base of assimilatory filaments; end cells of assimilatory filaments with very long terminal hairs. Thalli dioecious, spermatangia in dense terminal clusters; carpogonial branch lateral, 3 to 4 celled measures 2-3µm diameter , slightly curved; carpogonium conical, 9-14 µm long and 5-8µm broad, larger than hypogynous cells; fertilized carpogonium undergoing two transverse divisions followed by vertical divisions, all the cells producing gonimoblast filaments; gonimoblast compact; carpospores terminal; cystocarp small, 480-600µm diameter; involucral filaments from infra- and supra-supporting cells, spreading horizontally below the gonimoblast.