FIGURE 1 in Enterographa confusa sp. nov. (Roccellaceae, Arthoniales) discovered by chance in type material of its host lichen Arthonia ochraceella, described more than a century ago

FIGURE 1. Enterographa confusa (A–E, holotype, G). A. E. confusa (black arrows point to ascomata of the lichenicolous fungi) forming a paler, whitish area in the thallus of its host, Arthonia ochraceella (white arrows point to ascomata of the host lichen). B. Ascomata of E. confusa. C. Asci in water. D. asci in KI showing the KI+ blue apical ring. E. Ascospores in water. Scale in A = 500 μm, in B = 100 μm, in C–D = 10 μm, in E = 5 μm. (Photos D. Ertz).