FIGURE 4. A–D. Leptogium species. A. L in Leptogium (Collemataceae, Peltigerales) from Mato Grosso do Sul state, Brazil: nine new records, three new taxa and a key for the species

FIGURE 4. A–D. Leptogium species. A. L. phyllocarpum (SML Souza 93). B–D. L. quilombensis (CM Bernardo 814, holotype). B. Detail of the thallus. C. Transversal section of the thallus, arrow = columnar hyphae. D. Transversal section of the apothecia, arrow = basal paraplectenchymatous tissue. Bars: 2 mm (A–B); 100 μm (C–D).