FIGURE 2 in Lecanora stanislai, a new, sterile, usnic acid containing lichen species from Eurasia and North America

FIGURE 2. Morphology of Lecanora stanislai (A & B) and L. compallens (C & D). A, central part of thallus (holotype); B, edge of thallus with prothallus (Kukwa 13404); C edge of thallus with episubstratal areoles and soralia (Malíček 7517); delimited and fusing soralia in the center of the thallus (Malíček 7517). Scale: A–D—0.5 mm.