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Microscopic observations of porphyridiophyceae and rhodellophyceae strains, before (A) and after staining with Schiff/periodic acid (B), alcian blue (C) and combined staining (D). Ec: Erythrolobus coxiae, Em: Erythrolobus madagascarensis, Ps: Porphyridium sordidum, To: Timspurckia oligopyrenoides, Nc: Neorhodella cyanea, Cj: Corynoplastis japonica.
