FIGURE 1 in Lecanoroid lichens in the Galapagos Islands: the genera Lecanora, Protoparmeliopsis, and Vainionora (Lecanoraceae, Lecanoromycetes)

FIGURE 1. Species in the L. marginata-group. A–B. Lecanora austro-oceanica (Weber 151, L-41000, COLO 190133). A. Thallus areolate with coarse surface, apothecia adnate with coarse grayish pruina. B. Apothecial section [in water, Differential Interference Contrast (DIC)]: outer exciple aeruginose, epihymenium dull brown. C–F. Lecanora avium. C–E. Morphological variation. C. Thallus areolate, delimited by a black prothallus, apothecia adnate, lecideine, disc with greenish yellow pruina (Bungartz, F. 10228, CDS 47647). D. Thallus, areolate, with erumpent pustulate granular soralia tinged dark bluish gray (Bungartz, F. 7280, CDS 37764). E. Thallus areoles with distinctly crenate margin, apothecia adnate, lecideine, disc with greenish yellow pruina (Bungartz, F. 6411, CDS 34626). F. Apothecial section [in water, DIC]: outer exciple aeruginose, epihymenium dull brown (Bungartz, F. 6411, CDS 34626). Scales: A, C, D & E = 5 mm; B & F = 100 µm.