Pyxine subcinerea Stirt.
Thallus closely attached, corticolous. Lobes pale greenish-grey to pale grey, plane, with marginal pseudocyphellae here and there pruinose subapically or more generally in pulverulent, glistening patches over upper surface. Soralia marginal, spreading onto upper surface, orbicular to irregularly ellipsoid excavate to ± convex, soredia fine, granular, white to pale yellowish. Medulla pale straw-coloured to ochraceous-yellow. Apothecia not seen. Chemistry: Cortex UV+ yellow; medulla K-, Pd-, UV-. TLC: Lichexanthone.
N: North Auckland (Waiwera). On Sophora, first collected by J.K. Bartlett, 1982.
Pantropical
