FIGURE 13 in Disentangling the diversity and taxonomy of Hymenophyllaceae (Hymenophyllales, Polypodiidae) in the Mascarene archipelago, with ecological implications

FIGURE 13. Didymoglossum cuspidatum (Willd.) Ebihara & Dubuisson. A. Typical sub-circular, and lanceolate to deltoid sterile forms as usually observed (La Réunion, 'Mare Longue'). B. Linear sterile forms (La Réunion, 'Grand Etang'). C. Ovate to lanceolate fertile fronds with apical sori (La Réunion, 'Forêt de Bon Accueil, Les Makes'). D. Narrowly lanceolate fertile frond with apical sori (La Réunion, 'Grand Etang'). E. Small sub-circular/ovate fertile frond with a single sorus, showing sub-marginal false vein (mfv) and false veins parallel to true veins (fv) (photographs. A–D: J.-Y. Dubuisson; E: L. Bauret).