FIGURE 4 in Lecanoroid lichens in the Galapagos Islands: the genera Lecanora, Protoparmeliopsis, and Vainionora (Lecanoraceae, Lecanoromycetes)

FIGURE 4. Species in the L. marginata-group. A–F. Lecanora prosecha. A–B. Esorediate specimen (Bungartz, F. 5633, CDS 33258). A. Thallus of distinctly crenate areoles with deeply immersed, cryptolecanorine, dark reddish-brown to blackened apothecia. B. Apothecial section (in water, DIC): exciple indistinct from surrounding thallus, epihymenium pale brown. C–F. Morphological variation of sorediate thalli. C. General growth aspect of the rimose, pale pinkish gray thallus (Bungartz, F. 6968, CDS 36472–holotype). D. Close-up of thick rimose pale pinkish gray thallus with sublobate margins, pustulate soralia with coarsely granular whitish to pale green soredia (Bungartz, F. 8675, CDS 41321). E. Sorediate thallus with immersed, cryptolecanorine apothecia (Bungartz, F. 8675, CDS 41321). F. Rimose pale gray thallus in parts tinged by reddish iron-oxides, pustulate soralia mostly eroded, leaving circular scars (Bungartz, F. 4848, CDS 29024). Scales: A, C, D, E & F = 5 mm; B = 100 µm.