Lecanora orientoafricana Kirika & Lumbsch

Thallus crustose, verrucose to verruculose, thin to thick, glossy, whitish to greenish grey; margin indistinct; prothallus not visible; sorediate. Soralia roundish, 0.3–1.0 mm diam., with granulose soredia, light pale greenish white to grayish green. Apothecia sessile, constricted at base, 0.4–1.4 mm diam., lecanorine; disc light red-brown to brown, matt, plane or concave, sparsely grayish pruinose; margin concolourous with thallus, prominent, thick, smooth, verruculose. Amphithecial cortex uniform, gelatinous, inspersed with crystals, hyaline, 20–30 µm thick. Amphithecium with large crystals (=pulicaris–type). Hypothecium red-brown to yellowish brown, 30–40 µm high, parathecium hyaline, lacking crystals, 5–7 µm thick. Hymenium hyaline, 70–85 µm high, clear. Epihymenium red–brown, 10–12 µm thick, with coarse crystals; pigmentation and crystals dissolving in K (=chlarotera–type). Paraphyses sparingly branched, apically slightly swollen, hyaline. Asci clavate, 50–60 × 10–12 µm, 8–spored. Ascospores ellipsoid to broadly ellipsoid, 12.5–15.5 × 6.0–8.5 µm. Pycnidia not seen.

This new species is currently only known from the type locality in the Rift Valley province of Kenya, where it was found growing on bark in a degraded montane forest dominated by Podocarpus falcatus, Rapanea melanophloes and Faurea saligna at an altitude of 3240m. Associated species included Sphaerophorus melanocarpus, Pannaria cf. rubiginosa, and Ramalina spp.