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Fig. 3 | Helgoland Marine Research

Fig. 3

From: Range extension and morphological characterization of rhodolith-forming species (Corallinales, Rhodophyta) from shallow water in the Mexican South Pacific

Fig. 3

Phymatolithon repandum. Vegetative morphology and anatomy (longitudinal sections: bg). a Fructicose growth form. b Rounded epithallial cells (arrow) and subepithallial initials cells (double arrow). c Perithallial filaments with cell fusions between cells of adjacent filaments (arrow). d Multiporate tetrasporangial conceptacle with tetraspores (arrow). e Zonated tetrasporangium. f Pore canals (arrow). g Senescent conceptacle (arrow)

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